diff options
Diffstat (limited to 'target')
12 files changed, 1128 insertions, 156 deletions
diff --git a/target/linux/bcm4908/patches-5.4/170-0001-dt-bindings-net-document-BCM4908-Ethernet-controller.patch b/target/linux/bcm4908/patches-5.4/072-v5.12-0001-dt-bindings-net-document-BCM4908-Ethernet-controller.patch index 74dda6454f..8c60b9706e 100644 --- a/target/linux/bcm4908/patches-5.4/170-0001-dt-bindings-net-document-BCM4908-Ethernet-controller.patch +++ b/target/linux/bcm4908/patches-5.4/072-v5.12-0001-dt-bindings-net-document-BCM4908-Ethernet-controller.patch @@ -1,6 +1,7 @@ +From 387d1c1819790aa8398c7cffab587f9a050a0d1a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Fri, 5 Feb 2021 21:57:41 +0100 -Subject: [PATCH 1/2] dt-bindings: net: document BCM4908 Ethernet controller +Date: Sun, 7 Feb 2021 23:26:31 +0100 +Subject: [PATCH] dt-bindings: net: document BCM4908 Ethernet controller MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit @@ -8,18 +9,19 @@ Content-Transfer-Encoding: 8bit BCM4908 is a family of SoCs with integrated Ethernet controller. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Signed-off-by: David S. Miller <davem@davemloft.net> --- - .../bindings/net/brcm,bcm4908-enet.yaml | 43 +++++++++++++++++++ - 1 file changed, 43 insertions(+) - create mode 100644 Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml + .../bindings/net/brcm,bcm4908enet.yaml | 45 +++++++++++++++++++ + 1 file changed, 45 insertions(+) + create mode 100644 Documentation/devicetree/bindings/net/brcm,bcm4908enet.yaml --- /dev/null -+++ b/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml -@@ -0,0 +1,43 @@ ++++ b/Documentation/devicetree/bindings/net/brcm,bcm4908enet.yaml +@@ -0,0 +1,45 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- -+$id: http://devicetree.org/schemas/net/brcm,bcm4908-enet.yaml# ++$id: http://devicetree.org/schemas/net/brcm,bcm4908enet.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM4908 Ethernet controller @@ -29,12 +31,9 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +maintainers: + - Rafał Miłecki <rafal@milecki.pl> + -+allOf: -+ - $ref: ethernet-controller.yaml# -+ +properties: + compatible: -+ const: brcm,bcm4908-enet ++ const: brcm,bcm4908enet + + reg: + maxItems: 1 @@ -42,9 +41,13 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + interrupts: + description: RX interrupt + ++ interrupt-names: ++ const: rx ++ +required: + - reg + - interrupts ++ - interrupt-names + +additionalProperties: false + @@ -54,8 +57,9 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + ethernet@80002000 { -+ compatible = "brcm,bcm4908-enet"; ++ compatible = "brcm,bcm4908enet"; + reg = <0x80002000 0x1000>; + + interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>; ++ interrupt-names = "rx"; + }; diff --git a/target/linux/bcm4908/patches-5.4/170-0002-net-broadcom-bcm4908_enet-add-BCM4908-controller-dri.patch b/target/linux/bcm4908/patches-5.4/072-v5.12-0002-net-broadcom-bcm4908enet-add-BCM4908-controller-driv.patch index 4741df4ec4..adef3d87ac 100644 --- a/target/linux/bcm4908/patches-5.4/170-0002-net-broadcom-bcm4908_enet-add-BCM4908-controller-dri.patch +++ b/target/linux/bcm4908/patches-5.4/072-v5.12-0002-net-broadcom-bcm4908enet-add-BCM4908-controller-driv.patch @@ -1,28 +1,26 @@ +From 4feffeadbcb2e5b11cbbf191a33c245b74a5837b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Fri, 5 Feb 2021 21:59:51 +0100 -Subject: [PATCH 2/2] net: broadcom: bcm4908_enet: add BCM4908 controller - driver +Date: Sun, 7 Feb 2021 23:26:32 +0100 +Subject: [PATCH] net: broadcom: bcm4908enet: add BCM4908 controller driver MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit -BCM4908 SoCs family has integrated Ethernel controller that includes -UniMAC but uses different DMA engine (than other controllers) and -requires different programming. - -Ethernet controller in BCM4908 is always connected to the internal SF2 -switch's port and uses fixed link. +BCM4908 SoCs family uses Ethernel controller that includes UniMAC but +uses different DMA engine (than other controllers) and requires +different programming. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Signed-off-by: David S. Miller <davem@davemloft.net> --- - MAINTAINERS | 9 + - drivers/net/ethernet/broadcom/Kconfig | 8 + - drivers/net/ethernet/broadcom/Makefile | 1 + - drivers/net/ethernet/broadcom/bcm4908_enet.c | 671 +++++++++++++++++++ - drivers/net/ethernet/broadcom/bcm4908_enet.h | 96 +++ - 5 files changed, 785 insertions(+) - create mode 100644 drivers/net/ethernet/broadcom/bcm4908_enet.c - create mode 100644 drivers/net/ethernet/broadcom/bcm4908_enet.h + MAINTAINERS | 9 + + drivers/net/ethernet/broadcom/Kconfig | 8 + + drivers/net/ethernet/broadcom/Makefile | 1 + + drivers/net/ethernet/broadcom/bcm4908enet.c | 676 ++++++++++++++++++++ + drivers/net/ethernet/broadcom/bcm4908enet.h | 96 +++ + 5 files changed, 790 insertions(+) + create mode 100644 drivers/net/ethernet/broadcom/bcm4908enet.c + create mode 100644 drivers/net/ethernet/broadcom/bcm4908enet.h --- a/MAINTAINERS +++ b/MAINTAINERS @@ -35,8 +33,8 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +M: bcm-kernel-feedback-list@broadcom.com +L: netdev@vger.kernel.org +S: Maintained -+F: Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml -+F: drivers/net/ethernet/broadcom/bcm4908_enet.* ++F: Documentation/devicetree/bindings/net/brcm,bcm4908enet.yaml ++F: drivers/net/ethernet/broadcom/bcm4908enet.* +F: drivers/net/ethernet/broadcom/unimac.h + BROADCOM BCM5301X ARM ARCHITECTURE @@ -48,10 +46,10 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> depends on B44_PCI_AUTOSELECT && B44_PCICORE_AUTOSELECT default y -+config BCM4908_ENET ++config BCM4908ENET + tristate "Broadcom BCM4908 internal mac support" + depends on ARCH_BCM4908 || COMPILE_TEST -+ default ARCH_BCM4908 ++ default y + help + This driver supports Ethernet controller integrated into Broadcom + BCM4908 family SoCs. @@ -65,13 +63,13 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> # obj-$(CONFIG_B44) += b44.o -+obj-$(CONFIG_BCM4908_ENET) += bcm4908_enet.o ++obj-$(CONFIG_BCM4908ENET) += bcm4908enet.o obj-$(CONFIG_BCM63XX_ENET) += bcm63xx_enet.o obj-$(CONFIG_BCMGENET) += genet/ obj-$(CONFIG_BNX2) += bnx2.o --- /dev/null -+++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c -@@ -0,0 +1,671 @@ ++++ b/drivers/net/ethernet/broadcom/bcm4908enet.c +@@ -0,0 +1,676 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2021 Rafał Miłecki <rafal@milecki.pl> @@ -86,7 +84,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +#include <linux/slab.h> +#include <linux/string.h> + -+#include "bcm4908_enet.h" ++#include "bcm4908enet.h" +#include "unimac.h" + +#define ENET_DMA_CH_RX_CFG ENET_DMA_CH0_CFG @@ -107,18 +105,18 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +#define ENET_MTU_MAX 1500 /* Is it possible to support 2044? */ +#define ENET_MTU_MAX_EXTRA_SIZE 32 /* L2 */ + -+struct bcm4908_enet_dma_ring_bd { ++struct bcm4908enet_dma_ring_bd { + __le32 ctl; + __le32 addr; +} __packed; + -+struct bcm4908_enet_dma_ring_slot { ++struct bcm4908enet_dma_ring_slot { + struct sk_buff *skb; + unsigned int len; + dma_addr_t dma_addr; +}; + -+struct bcm4908_enet_dma_ring { ++struct bcm4908enet_dma_ring { + int is_tx; + int read_idx; + int write_idx; @@ -128,38 +126,38 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + + union { + void *cpu_addr; -+ struct bcm4908_enet_dma_ring_bd *buf_desc; ++ struct bcm4908enet_dma_ring_bd *buf_desc; + }; + dma_addr_t dma_addr; + -+ struct bcm4908_enet_dma_ring_slot *slots; ++ struct bcm4908enet_dma_ring_slot *slots; +}; + -+struct bcm4908_enet { ++struct bcm4908enet { + struct device *dev; + struct net_device *netdev; + struct napi_struct napi; + void __iomem *base; + -+ struct bcm4908_enet_dma_ring tx_ring; -+ struct bcm4908_enet_dma_ring rx_ring; ++ struct bcm4908enet_dma_ring tx_ring; ++ struct bcm4908enet_dma_ring rx_ring; +}; + +/*** + * R/W ops + */ + -+static u32 enet_read(struct bcm4908_enet *enet, u16 offset) ++static inline u32 enet_read(struct bcm4908enet *enet, u16 offset) +{ + return readl(enet->base + offset); +} + -+static void enet_write(struct bcm4908_enet *enet, u16 offset, u32 value) ++static inline void enet_write(struct bcm4908enet *enet, u16 offset, u32 value) +{ + writel(value, enet->base + offset); +} + -+static void enet_maskset(struct bcm4908_enet *enet, u16 offset, u32 mask, u32 set) ++static inline void enet_maskset(struct bcm4908enet *enet, u16 offset, u32 mask, u32 set) +{ + u32 val; + @@ -170,22 +168,27 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + enet_write(enet, offset, val); +} + -+static void enet_set(struct bcm4908_enet *enet, u16 offset, u32 set) ++static inline void enet_set(struct bcm4908enet *enet, u16 offset, u32 set) +{ + enet_maskset(enet, offset, set, set); +} + -+static u32 enet_umac_read(struct bcm4908_enet *enet, u16 offset) ++static inline u32 enet_umac_read(struct bcm4908enet *enet, u16 offset) +{ + return enet_read(enet, ENET_UNIMAC + offset); +} + -+static void enet_umac_write(struct bcm4908_enet *enet, u16 offset, u32 value) ++static inline void enet_umac_write(struct bcm4908enet *enet, u16 offset, u32 value) +{ + enet_write(enet, ENET_UNIMAC + offset, value); +} + -+static void enet_umac_set(struct bcm4908_enet *enet, u16 offset, u32 set) ++static inline void enet_umac_maskset(struct bcm4908enet *enet, u16 offset, u32 mask, u32 set) ++{ ++ enet_maskset(enet, ENET_UNIMAC + offset, mask, set); ++} ++ ++static inline void enet_umac_set(struct bcm4908enet *enet, u16 offset, u32 set) +{ + enet_set(enet, ENET_UNIMAC + offset, set); +} @@ -194,17 +197,17 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + * Helpers + */ + -+static void bcm4908_enet_intrs_on(struct bcm4908_enet *enet) ++static void bcm4908enet_intrs_on(struct bcm4908enet *enet) +{ + enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_MASK, ENET_DMA_INT_DEFAULTS); +} + -+static void bcm4908_enet_intrs_off(struct bcm4908_enet *enet) ++static void bcm4908enet_intrs_off(struct bcm4908enet *enet) +{ + enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_MASK, 0); +} + -+static void bcm4908_enet_intrs_ack(struct bcm4908_enet *enet) ++static void bcm4908enet_intrs_ack(struct bcm4908enet *enet) +{ + enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_STAT, ENET_DMA_INT_DEFAULTS); +} @@ -213,10 +216,9 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + * DMA + */ + -+static int bcm4908_dma_alloc_buf_descs(struct bcm4908_enet *enet, -+ struct bcm4908_enet_dma_ring *ring) ++static int bcm4908_dma_alloc_buf_descs(struct bcm4908enet *enet, struct bcm4908enet_dma_ring *ring) +{ -+ int size = ring->length * sizeof(struct bcm4908_enet_dma_ring_bd); ++ int size = ring->length * sizeof(struct bcm4908enet_dma_ring_bd); + struct device *dev = enet->dev; + + ring->cpu_addr = dma_alloc_coherent(dev, size, &ring->dma_addr, GFP_KERNEL); @@ -232,6 +234,8 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + if (!ring->slots) + goto err_free_buf_descs; + ++ memset(ring->cpu_addr, 0, size); ++ + ring->read_idx = 0; + ring->write_idx = 0; + @@ -242,28 +246,28 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + return -ENOMEM; +} + -+static void bcm4908_enet_dma_free(struct bcm4908_enet *enet) ++static void bcm4908enet_dma_free(struct bcm4908enet *enet) +{ -+ struct bcm4908_enet_dma_ring *tx_ring = &enet->tx_ring; -+ struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring; ++ struct bcm4908enet_dma_ring *tx_ring = &enet->tx_ring; ++ struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring; + struct device *dev = enet->dev; + int size; + -+ size = rx_ring->length * sizeof(struct bcm4908_enet_dma_ring_bd); ++ size = rx_ring->length * sizeof(struct bcm4908enet_dma_ring_bd); + if (rx_ring->cpu_addr) + dma_free_coherent(dev, size, rx_ring->cpu_addr, rx_ring->dma_addr); + kfree(rx_ring->slots); + -+ size = tx_ring->length * sizeof(struct bcm4908_enet_dma_ring_bd); ++ size = tx_ring->length * sizeof(struct bcm4908enet_dma_ring_bd); + if (tx_ring->cpu_addr) + dma_free_coherent(dev, size, tx_ring->cpu_addr, tx_ring->dma_addr); + kfree(tx_ring->slots); +} + -+static int bcm4908_enet_dma_alloc(struct bcm4908_enet *enet) ++static int bcm4908enet_dma_alloc(struct bcm4908enet *enet) +{ -+ struct bcm4908_enet_dma_ring *tx_ring = &enet->tx_ring; -+ struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring; ++ struct bcm4908enet_dma_ring *tx_ring = &enet->tx_ring; ++ struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring; + struct device *dev = enet->dev; + int err; + @@ -284,16 +288,16 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + err = bcm4908_dma_alloc_buf_descs(enet, rx_ring); + if (err) { + dev_err(dev, "Failed to alloc RX buf descriptors: %d\n", err); -+ bcm4908_enet_dma_free(enet); ++ bcm4908enet_dma_free(enet); + return err; + } + + return 0; +} + -+static void bcm4908_enet_dma_reset(struct bcm4908_enet *enet) ++static void bcm4908enet_dma_reset(struct bcm4908enet *enet) +{ -+ struct bcm4908_enet_dma_ring *rings[] = { &enet->rx_ring, &enet->tx_ring }; ++ struct bcm4908enet_dma_ring *rings[] = { &enet->rx_ring, &enet->tx_ring }; + int i; + + /* Disable the DMA controller and channel */ @@ -303,7 +307,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + + /* Reset channels state */ + for (i = 0; i < ARRAY_SIZE(rings); i++) { -+ struct bcm4908_enet_dma_ring *ring = rings[i]; ++ struct bcm4908enet_dma_ring *ring = rings[i]; + + enet_write(enet, ring->st_ram_block + ENET_DMA_CH_STATE_RAM_BASE_DESC_PTR, 0); + enet_write(enet, ring->st_ram_block + ENET_DMA_CH_STATE_RAM_STATE_DATA, 0); @@ -312,10 +316,10 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + } +} + -+static int bcm4908_enet_dma_alloc_rx_buf(struct bcm4908_enet *enet, unsigned int idx) ++static int bcm4908enet_dma_alloc_rx_buf(struct bcm4908enet *enet, unsigned int idx) +{ -+ struct bcm4908_enet_dma_ring_bd *buf_desc = &enet->rx_ring.buf_desc[idx]; -+ struct bcm4908_enet_dma_ring_slot *slot = &enet->rx_ring.slots[idx]; ++ struct bcm4908enet_dma_ring_bd *buf_desc = &enet->rx_ring.buf_desc[idx]; ++ struct bcm4908enet_dma_ring_slot *slot = &enet->rx_ring.slots[idx]; + struct device *dev = enet->dev; + u32 tmp; + int err; @@ -345,8 +349,8 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + return 0; +} + -+static void bcm4908_enet_dma_ring_init(struct bcm4908_enet *enet, -+ struct bcm4908_enet_dma_ring *ring) ++static void bcm4908enet_dma_ring_init(struct bcm4908enet *enet, ++ struct bcm4908enet_dma_ring *ring) +{ + int reset_channel = 0; /* We support only 1 main channel (with TX and RX) */ + int reset_subch = ring->is_tx ? 1 : 0; @@ -363,10 +367,10 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + (uint32_t)ring->dma_addr); +} + -+static void bcm4908_enet_dma_uninit(struct bcm4908_enet *enet) ++static void bcm4908enet_dma_uninit(struct bcm4908enet *enet) +{ -+ struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring; -+ struct bcm4908_enet_dma_ring_slot *slot; ++ struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring; ++ struct bcm4908enet_dma_ring_slot *slot; + struct device *dev = enet->dev; + int i; + @@ -380,48 +384,48 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + } +} + -+static int bcm4908_enet_dma_init(struct bcm4908_enet *enet) ++static int bcm4908enet_dma_init(struct bcm4908enet *enet) +{ -+ struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring; ++ struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring; + struct device *dev = enet->dev; + int err; + int i; + + for (i = 0; i < rx_ring->length; i++) { -+ err = bcm4908_enet_dma_alloc_rx_buf(enet, i); ++ err = bcm4908enet_dma_alloc_rx_buf(enet, i); + if (err) { + dev_err(dev, "Failed to alloc RX buffer: %d\n", err); -+ bcm4908_enet_dma_uninit(enet); ++ bcm4908enet_dma_uninit(enet); + return err; + } + } + -+ bcm4908_enet_dma_ring_init(enet, &enet->tx_ring); -+ bcm4908_enet_dma_ring_init(enet, &enet->rx_ring); ++ bcm4908enet_dma_ring_init(enet, &enet->tx_ring); ++ bcm4908enet_dma_ring_init(enet, &enet->rx_ring); + + return 0; +} + -+static void bcm4908_enet_dma_tx_ring_enable(struct bcm4908_enet *enet, -+ struct bcm4908_enet_dma_ring *ring) ++static void bcm4908enet_dma_tx_ring_ensable(struct bcm4908enet *enet, ++ struct bcm4908enet_dma_ring *ring) +{ + enet_write(enet, ring->cfg_block + ENET_DMA_CH_CFG, ENET_DMA_CH_CFG_ENABLE); +} + -+static void bcm4908_enet_dma_tx_ring_disable(struct bcm4908_enet *enet, -+ struct bcm4908_enet_dma_ring *ring) ++static void bcm4908enet_dma_tx_ring_disable(struct bcm4908enet *enet, ++ struct bcm4908enet_dma_ring *ring) +{ + enet_write(enet, ring->cfg_block + ENET_DMA_CH_CFG, 0); +} + -+static void bcm4908_enet_dma_rx_ring_enable(struct bcm4908_enet *enet, -+ struct bcm4908_enet_dma_ring *ring) ++static void bcm4908enet_dma_rx_ring_enable(struct bcm4908enet *enet, ++ struct bcm4908enet_dma_ring *ring) +{ + enet_set(enet, ring->cfg_block + ENET_DMA_CH_CFG, ENET_DMA_CH_CFG_ENABLE); +} + -+static void bcm4908_enet_dma_rx_ring_disable(struct bcm4908_enet *enet, -+ struct bcm4908_enet_dma_ring *ring) ++static void bcm4908enet_dma_rx_ring_disable(struct bcm4908enet *enet, ++ struct bcm4908enet_dma_ring *ring) +{ + unsigned long deadline; + u32 tmp; @@ -444,7 +448,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + * Ethernet driver + */ + -+static void bcm4908_enet_gmac_init(struct bcm4908_enet *enet) ++static void bcm4908enet_gmac_init(struct bcm4908enet *enet) +{ + u32 cmd; + @@ -475,82 +479,82 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + ENET_GMAC_STATUS_LINK_UP); +} + -+static irqreturn_t bcm4908_enet_irq_handler(int irq, void *dev_id) ++static irqreturn_t bcm4908enet_irq_handler(int irq, void *dev_id) +{ -+ struct bcm4908_enet *enet = dev_id; ++ struct bcm4908enet *enet = dev_id; + -+ bcm4908_enet_intrs_off(enet); -+ bcm4908_enet_intrs_ack(enet); ++ bcm4908enet_intrs_off(enet); ++ bcm4908enet_intrs_ack(enet); + + napi_schedule(&enet->napi); + + return IRQ_HANDLED; +} + -+static int bcm4908_enet_open(struct net_device *netdev) ++static int bcm4908enet_open(struct net_device *netdev) +{ -+ struct bcm4908_enet *enet = netdev_priv(netdev); ++ struct bcm4908enet *enet = netdev_priv(netdev); + struct device *dev = enet->dev; + int err; + -+ err = request_irq(netdev->irq, bcm4908_enet_irq_handler, 0, "enet", enet); ++ err = request_irq(netdev->irq, bcm4908enet_irq_handler, 0, "enet", enet); + if (err) { + dev_err(dev, "Failed to request IRQ %d: %d\n", netdev->irq, err); + return err; + } + -+ bcm4908_enet_gmac_init(enet); -+ bcm4908_enet_dma_reset(enet); -+ bcm4908_enet_dma_init(enet); ++ bcm4908enet_gmac_init(enet); ++ bcm4908enet_dma_reset(enet); ++ bcm4908enet_dma_init(enet); + + enet_umac_set(enet, UMAC_CMD, CMD_TX_EN | CMD_RX_EN); + + enet_set(enet, ENET_DMA_CONTROLLER_CFG, ENET_DMA_CTRL_CFG_MASTER_EN); + enet_maskset(enet, ENET_DMA_CONTROLLER_CFG, ENET_DMA_CTRL_CFG_FLOWC_CH1_EN, 0); -+ bcm4908_enet_dma_rx_ring_enable(enet, &enet->rx_ring); ++ bcm4908enet_dma_rx_ring_enable(enet, &enet->rx_ring); + + napi_enable(&enet->napi); + netif_carrier_on(netdev); + netif_start_queue(netdev); + -+ bcm4908_enet_intrs_ack(enet); -+ bcm4908_enet_intrs_on(enet); ++ bcm4908enet_intrs_ack(enet); ++ bcm4908enet_intrs_on(enet); + + return 0; +} + -+static int bcm4908_enet_stop(struct net_device *netdev) ++static int bcm4908enet_stop(struct net_device *netdev) +{ -+ struct bcm4908_enet *enet = netdev_priv(netdev); ++ struct bcm4908enet *enet = netdev_priv(netdev); + + netif_stop_queue(netdev); + netif_carrier_off(netdev); + napi_disable(&enet->napi); + -+ bcm4908_enet_dma_rx_ring_disable(enet, &enet->rx_ring); -+ bcm4908_enet_dma_tx_ring_disable(enet, &enet->tx_ring); ++ bcm4908enet_dma_rx_ring_disable(enet, &enet->rx_ring); ++ bcm4908enet_dma_tx_ring_disable(enet, &enet->tx_ring); + -+ bcm4908_enet_dma_uninit(enet); ++ bcm4908enet_dma_uninit(enet); + + free_irq(enet->netdev->irq, enet); + + return 0; +} + -+static int bcm4908_enet_start_xmit(struct sk_buff *skb, struct net_device *netdev) ++static int bcm4908enet_start_xmit(struct sk_buff *skb, struct net_device *netdev) +{ -+ struct bcm4908_enet *enet = netdev_priv(netdev); -+ struct bcm4908_enet_dma_ring *ring = &enet->tx_ring; -+ struct bcm4908_enet_dma_ring_slot *slot; ++ struct bcm4908enet *enet = netdev_priv(netdev); ++ struct bcm4908enet_dma_ring *ring = &enet->tx_ring; ++ struct bcm4908enet_dma_ring_slot *slot; + struct device *dev = enet->dev; -+ struct bcm4908_enet_dma_ring_bd *buf_desc; ++ struct bcm4908enet_dma_ring_bd *buf_desc; + int free_buf_descs; + u32 tmp; + + /* Free transmitted skbs */ + while (ring->read_idx != ring->write_idx) { + buf_desc = &ring->buf_desc[ring->read_idx]; -+ if (le32_to_cpu(buf_desc->ctl) & DMA_CTL_STATUS_OWN) ++ if (buf_desc->ctl & DMA_CTL_STATUS_OWN) + break; + slot = &ring->slots[ring->read_idx]; + @@ -593,7 +597,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + buf_desc->addr = cpu_to_le32((uint32_t)slot->dma_addr); + buf_desc->ctl = cpu_to_le32(tmp); + -+ bcm4908_enet_dma_tx_ring_enable(enet, &enet->tx_ring); ++ bcm4908enet_dma_tx_ring_ensable(enet, &enet->tx_ring); + + if (++ring->write_idx == ring->length - 1) + ring->write_idx = 0; @@ -603,15 +607,15 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + return NETDEV_TX_OK; +} + -+static int bcm4908_enet_poll(struct napi_struct *napi, int weight) ++static int bcm4908enet_poll(struct napi_struct *napi, int weight) +{ -+ struct bcm4908_enet *enet = container_of(napi, struct bcm4908_enet, napi); ++ struct bcm4908enet *enet = container_of(napi, struct bcm4908enet, napi); + struct device *dev = enet->dev; + int handled = 0; + + while (handled < weight) { -+ struct bcm4908_enet_dma_ring_bd *buf_desc; -+ struct bcm4908_enet_dma_ring_slot slot; ++ struct bcm4908enet_dma_ring_bd *buf_desc; ++ struct bcm4908enet_dma_ring_slot slot; + u32 ctl; + int len; + int err; @@ -624,7 +628,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + slot = enet->rx_ring.slots[enet->rx_ring.read_idx]; + + /* Provide new buffer before unpinning the old one */ -+ err = bcm4908_enet_dma_alloc_rx_buf(enet, enet->rx_ring.read_idx); ++ err = bcm4908enet_dma_alloc_rx_buf(enet, enet->rx_ring.read_idx); + if (err) + break; + @@ -635,14 +639,13 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + + if (len < ENET_MTU_MIN || + (ctl & (DMA_CTL_STATUS_SOP | DMA_CTL_STATUS_EOP)) != (DMA_CTL_STATUS_SOP | DMA_CTL_STATUS_EOP)) { -+ kfree(slot.skb); + enet->netdev->stats.rx_dropped++; + break; + } + + dma_unmap_single(dev, slot.dma_addr, slot.len, DMA_FROM_DEVICE); + -+ skb_put(slot.skb, len - ETH_FCS_LEN); ++ skb_put(slot.skb, len - 4 + 2); + slot.skb->protocol = eth_type_trans(slot.skb, enet->netdev); + netif_receive_skb(slot.skb); + @@ -652,24 +655,24 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + + if (handled < weight) { + napi_complete_done(napi, handled); -+ bcm4908_enet_intrs_on(enet); ++ bcm4908enet_intrs_on(enet); + } + + return handled; +} + -+static const struct net_device_ops bcm4908_enet_netdev_ops = { -+ .ndo_open = bcm4908_enet_open, -+ .ndo_stop = bcm4908_enet_stop, -+ .ndo_start_xmit = bcm4908_enet_start_xmit, ++static const struct net_device_ops bcm96xx_netdev_ops = { ++ .ndo_open = bcm4908enet_open, ++ .ndo_stop = bcm4908enet_stop, ++ .ndo_start_xmit = bcm4908enet_start_xmit, + .ndo_set_mac_address = eth_mac_addr, +}; + -+static int bcm4908_enet_probe(struct platform_device *pdev) ++static int bcm4908enet_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct net_device *netdev; -+ struct bcm4908_enet *enet; ++ struct bcm4908enet *enet; + int err; + + netdev = devm_alloc_etherdev(dev, sizeof(*enet)); @@ -686,27 +689,27 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + return PTR_ERR(enet->base); + } + -+ netdev->irq = platform_get_irq(pdev, 0); ++ netdev->irq = platform_get_irq_byname(pdev, "rx"); + if (netdev->irq < 0) + return netdev->irq; + + dma_set_coherent_mask(dev, DMA_BIT_MASK(32)); + -+ err = bcm4908_enet_dma_alloc(enet); ++ err = bcm4908enet_dma_alloc(enet); + if (err) + return err; + + SET_NETDEV_DEV(netdev, &pdev->dev); + eth_hw_addr_random(netdev); -+ netdev->netdev_ops = &bcm4908_enet_netdev_ops; ++ netdev->netdev_ops = &bcm96xx_netdev_ops; + netdev->min_mtu = ETH_ZLEN; + netdev->mtu = ENET_MTU_MAX; + netdev->max_mtu = ENET_MTU_MAX; -+ netif_napi_add(netdev, &enet->napi, bcm4908_enet_poll, 64); ++ netif_napi_add(netdev, &enet->napi, bcm4908enet_poll, 64); + + err = register_netdev(netdev); + if (err) { -+ bcm4908_enet_dma_free(enet); ++ bcm4908enet_dma_free(enet); + return err; + } + @@ -715,40 +718,40 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + return 0; +} + -+static int bcm4908_enet_remove(struct platform_device *pdev) ++static int bcm4908enet_remove(struct platform_device *pdev) +{ -+ struct bcm4908_enet *enet = platform_get_drvdata(pdev); ++ struct bcm4908enet *enet = platform_get_drvdata(pdev); + + unregister_netdev(enet->netdev); + netif_napi_del(&enet->napi); -+ bcm4908_enet_dma_free(enet); ++ bcm4908enet_dma_free(enet); + + return 0; +} + -+static const struct of_device_id bcm4908_enet_of_match[] = { -+ { .compatible = "brcm,bcm4908-enet"}, ++static const struct of_device_id bcm4908enet_of_match[] = { ++ { .compatible = "brcm,bcm4908enet"}, + {}, +}; + -+static struct platform_driver bcm4908_enet_driver = { ++static struct platform_driver bcm4908enet_driver = { + .driver = { -+ .name = "bcm4908_enet", -+ .of_match_table = bcm4908_enet_of_match, ++ .name = "bcm4908enet", ++ .of_match_table = bcm4908enet_of_match, + }, -+ .probe = bcm4908_enet_probe, -+ .remove = bcm4908_enet_remove, ++ .probe = bcm4908enet_probe, ++ .remove = bcm4908enet_remove, +}; -+module_platform_driver(bcm4908_enet_driver); ++module_platform_driver(bcm4908enet_driver); + +MODULE_LICENSE("GPL v2"); -+MODULE_DEVICE_TABLE(of, bcm4908_enet_of_match); ++MODULE_DEVICE_TABLE(of, bcm4908enet_of_match); --- /dev/null -+++ b/drivers/net/ethernet/broadcom/bcm4908_enet.h ++++ b/drivers/net/ethernet/broadcom/bcm4908enet.h @@ -0,0 +1,96 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ -+#ifndef __BCM4908_ENET_H -+#define __BCM4908_ENET_H ++#ifndef __BCM4908ENET_H ++#define __BCM4908ENET_H + +#define ENET_CONTROL 0x000 +#define ENET_MIB_CTRL 0x004 diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0001-dt-bindings-net-rename-BCM4908-Ethernet-binding.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0001-dt-bindings-net-rename-BCM4908-Ethernet-binding.patch new file mode 100644 index 0000000000..7a47b55c00 --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0001-dt-bindings-net-rename-BCM4908-Ethernet-binding.patch @@ -0,0 +1,68 @@ +From 6710c5b0674f8811f7d8fbfc526684e7ed77f765 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Thu, 11 Feb 2021 13:12:32 +0100 +Subject: [PATCH] dt-bindings: net: rename BCM4908 Ethernet binding +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Rob pointed out that a normal convention is "brcm,bcm4908-enet" so +update whole binding to match it. + +Suggested-by: Rob Herring <robh@kernel.org> +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + .../net/{brcm,bcm4908enet.yaml => brcm,bcm4908-enet.yaml} | 6 +++--- + MAINTAINERS | 2 +- + 2 files changed, 4 insertions(+), 4 deletions(-) + rename Documentation/devicetree/bindings/net/{brcm,bcm4908enet.yaml => brcm,bcm4908-enet.yaml} (85%) + +diff --git a/Documentation/devicetree/bindings/net/brcm,bcm4908enet.yaml b/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml +similarity index 85% +rename from Documentation/devicetree/bindings/net/brcm,bcm4908enet.yaml +rename to Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml +index 5f12f51c5b19..c70f222365c0 100644 +--- a/Documentation/devicetree/bindings/net/brcm,bcm4908enet.yaml ++++ b/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause + %YAML 1.2 + --- +-$id: http://devicetree.org/schemas/net/brcm,bcm4908enet.yaml# ++$id: http://devicetree.org/schemas/net/brcm,bcm4908-enet.yaml# + $schema: http://devicetree.org/meta-schemas/core.yaml# + + title: Broadcom BCM4908 Ethernet controller +@@ -13,7 +13,7 @@ maintainers: + + properties: + compatible: +- const: brcm,bcm4908enet ++ const: brcm,bcm4908-enet + + reg: + maxItems: 1 +@@ -37,7 +37,7 @@ examples: + #include <dt-bindings/interrupt-controller/arm-gic.h> + + ethernet@80002000 { +- compatible = "brcm,bcm4908enet"; ++ compatible = "brcm,bcm4908-enet"; + reg = <0x80002000 0x1000>; + + interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>; +diff --git a/MAINTAINERS b/MAINTAINERS +index 3914691fb4a6..68fcd0a6416b 100644 +--- a/MAINTAINERS ++++ b/MAINTAINERS +@@ -3450,7 +3450,7 @@ M: Rafał Miłecki <rafal@milecki.pl> + M: bcm-kernel-feedback-list@broadcom.com + L: netdev@vger.kernel.org + S: Maintained +-F: Documentation/devicetree/bindings/net/brcm,bcm4908enet.yaml ++F: Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml + F: drivers/net/ethernet/broadcom/bcm4908enet.* + F: drivers/net/ethernet/broadcom/unimac.h + diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0002-dt-bindings-net-bcm4908-enet-include-ethernet-contro.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0002-dt-bindings-net-bcm4908-enet-include-ethernet-contro.patch new file mode 100644 index 0000000000..a4409a818a --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0002-dt-bindings-net-bcm4908-enet-include-ethernet-contro.patch @@ -0,0 +1,32 @@ +From f08b5cf1eb1f2aefc6fe4a89c8c757ba94721d0b Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Thu, 11 Feb 2021 13:12:33 +0100 +Subject: [PATCH] dt-bindings: net: bcm4908-enet: include + ethernet-controller.yaml +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +It should be /included/ by every Ethernet controller binding. It adds +support for various generic properties. + +Suggested-by: Rob Herring <robh@kernel.org> +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml | 3 +++ + 1 file changed, 3 insertions(+) + +--- a/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml ++++ b/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml +@@ -11,6 +11,9 @@ description: Broadcom's Ethernet control + maintainers: + - Rafał Miłecki <rafal@milecki.pl> + ++allOf: ++ - $ref: ethernet-controller.yaml# ++ + properties: + compatible: + const: brcm,bcm4908-enet diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0003-net-broadcom-rename-BCM4908-driver-update-DT-binding.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0003-net-broadcom-rename-BCM4908-driver-update-DT-binding.patch new file mode 100644 index 0000000000..37285f6273 --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0003-net-broadcom-rename-BCM4908-driver-update-DT-binding.patch @@ -0,0 +1,643 @@ +From 9d61d138ab30bbfe4a8609853c81e881c4054a0b Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Thu, 11 Feb 2021 13:12:34 +0100 +Subject: [PATCH] net: broadcom: rename BCM4908 driver & update DT binding +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +compatible string was updated to match normal naming convention so +update driver as well + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + MAINTAINERS | 2 +- + drivers/net/ethernet/broadcom/Kconfig | 2 +- + drivers/net/ethernet/broadcom/Makefile | 2 +- + .../{bcm4908enet.c => bcm4908_enet.c} | 215 +++++++++--------- + .../{bcm4908enet.h => bcm4908_enet.h} | 4 +- + 5 files changed, 113 insertions(+), 112 deletions(-) + rename drivers/net/ethernet/broadcom/{bcm4908enet.c => bcm4908_enet.c} (68%) + rename drivers/net/ethernet/broadcom/{bcm4908enet.h => bcm4908_enet.h} (98%) + +diff --git a/MAINTAINERS b/MAINTAINERS +index 68fcd0a6416b..99335fd22c0a 100644 +--- a/MAINTAINERS ++++ b/MAINTAINERS +@@ -3451,7 +3451,7 @@ M: bcm-kernel-feedback-list@broadcom.com + L: netdev@vger.kernel.org + S: Maintained + F: Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml +-F: drivers/net/ethernet/broadcom/bcm4908enet.* ++F: drivers/net/ethernet/broadcom/bcm4908_enet.* + F: drivers/net/ethernet/broadcom/unimac.h + + BROADCOM BCM5301X ARM ARCHITECTURE +diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig +index bcf9e0a410fd..f8a168b73307 100644 +--- a/drivers/net/ethernet/broadcom/Kconfig ++++ b/drivers/net/ethernet/broadcom/Kconfig +@@ -51,7 +51,7 @@ config B44_PCI + depends on B44_PCI_AUTOSELECT && B44_PCICORE_AUTOSELECT + default y + +-config BCM4908ENET ++config BCM4908_ENET + tristate "Broadcom BCM4908 internal mac support" + depends on ARCH_BCM4908 || COMPILE_TEST + default y +diff --git a/drivers/net/ethernet/broadcom/Makefile b/drivers/net/ethernet/broadcom/Makefile +index 379012de3569..0ddfb5b5d53c 100644 +--- a/drivers/net/ethernet/broadcom/Makefile ++++ b/drivers/net/ethernet/broadcom/Makefile +@@ -4,7 +4,7 @@ + # + + obj-$(CONFIG_B44) += b44.o +-obj-$(CONFIG_BCM4908ENET) += bcm4908enet.o ++obj-$(CONFIG_BCM4908_ENET) += bcm4908_enet.o + obj-$(CONFIG_BCM63XX_ENET) += bcm63xx_enet.o + obj-$(CONFIG_BCMGENET) += genet/ + obj-$(CONFIG_BNX2) += bnx2.o +diff --git a/drivers/net/ethernet/broadcom/bcm4908enet.c b/drivers/net/ethernet/broadcom/bcm4908_enet.c +similarity index 68% +rename from drivers/net/ethernet/broadcom/bcm4908enet.c +rename to drivers/net/ethernet/broadcom/bcm4908_enet.c +index d68b328e7596..e56348eb188f 100644 +--- a/drivers/net/ethernet/broadcom/bcm4908enet.c ++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c +@@ -12,7 +12,7 @@ + #include <linux/slab.h> + #include <linux/string.h> + +-#include "bcm4908enet.h" ++#include "bcm4908_enet.h" + #include "unimac.h" + + #define ENET_DMA_CH_RX_CFG ENET_DMA_CH0_CFG +@@ -33,18 +33,18 @@ + #define ENET_MTU_MAX 1500 /* Is it possible to support 2044? */ + #define ENET_MTU_MAX_EXTRA_SIZE 32 /* L2 */ + +-struct bcm4908enet_dma_ring_bd { ++struct bcm4908_enet_dma_ring_bd { + __le32 ctl; + __le32 addr; + } __packed; + +-struct bcm4908enet_dma_ring_slot { ++struct bcm4908_enet_dma_ring_slot { + struct sk_buff *skb; + unsigned int len; + dma_addr_t dma_addr; + }; + +-struct bcm4908enet_dma_ring { ++struct bcm4908_enet_dma_ring { + int is_tx; + int read_idx; + int write_idx; +@@ -54,38 +54,38 @@ struct bcm4908enet_dma_ring { + + union { + void *cpu_addr; +- struct bcm4908enet_dma_ring_bd *buf_desc; ++ struct bcm4908_enet_dma_ring_bd *buf_desc; + }; + dma_addr_t dma_addr; + +- struct bcm4908enet_dma_ring_slot *slots; ++ struct bcm4908_enet_dma_ring_slot *slots; + }; + +-struct bcm4908enet { ++struct bcm4908_enet { + struct device *dev; + struct net_device *netdev; + struct napi_struct napi; + void __iomem *base; + +- struct bcm4908enet_dma_ring tx_ring; +- struct bcm4908enet_dma_ring rx_ring; ++ struct bcm4908_enet_dma_ring tx_ring; ++ struct bcm4908_enet_dma_ring rx_ring; + }; + + /*** + * R/W ops + */ + +-static inline u32 enet_read(struct bcm4908enet *enet, u16 offset) ++static inline u32 enet_read(struct bcm4908_enet *enet, u16 offset) + { + return readl(enet->base + offset); + } + +-static inline void enet_write(struct bcm4908enet *enet, u16 offset, u32 value) ++static inline void enet_write(struct bcm4908_enet *enet, u16 offset, u32 value) + { + writel(value, enet->base + offset); + } + +-static inline void enet_maskset(struct bcm4908enet *enet, u16 offset, u32 mask, u32 set) ++static inline void enet_maskset(struct bcm4908_enet *enet, u16 offset, u32 mask, u32 set) + { + u32 val; + +@@ -96,27 +96,27 @@ static inline void enet_maskset(struct bcm4908enet *enet, u16 offset, u32 mask, + enet_write(enet, offset, val); + } + +-static inline void enet_set(struct bcm4908enet *enet, u16 offset, u32 set) ++static inline void enet_set(struct bcm4908_enet *enet, u16 offset, u32 set) + { + enet_maskset(enet, offset, set, set); + } + +-static inline u32 enet_umac_read(struct bcm4908enet *enet, u16 offset) ++static inline u32 enet_umac_read(struct bcm4908_enet *enet, u16 offset) + { + return enet_read(enet, ENET_UNIMAC + offset); + } + +-static inline void enet_umac_write(struct bcm4908enet *enet, u16 offset, u32 value) ++static inline void enet_umac_write(struct bcm4908_enet *enet, u16 offset, u32 value) + { + enet_write(enet, ENET_UNIMAC + offset, value); + } + +-static inline void enet_umac_maskset(struct bcm4908enet *enet, u16 offset, u32 mask, u32 set) ++static inline void enet_umac_maskset(struct bcm4908_enet *enet, u16 offset, u32 mask, u32 set) + { + enet_maskset(enet, ENET_UNIMAC + offset, mask, set); + } + +-static inline void enet_umac_set(struct bcm4908enet *enet, u16 offset, u32 set) ++static inline void enet_umac_set(struct bcm4908_enet *enet, u16 offset, u32 set) + { + enet_set(enet, ENET_UNIMAC + offset, set); + } +@@ -125,17 +125,17 @@ static inline void enet_umac_set(struct bcm4908enet *enet, u16 offset, u32 set) + * Helpers + */ + +-static void bcm4908enet_intrs_on(struct bcm4908enet *enet) ++static void bcm4908_enet_intrs_on(struct bcm4908_enet *enet) + { + enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_MASK, ENET_DMA_INT_DEFAULTS); + } + +-static void bcm4908enet_intrs_off(struct bcm4908enet *enet) ++static void bcm4908_enet_intrs_off(struct bcm4908_enet *enet) + { + enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_MASK, 0); + } + +-static void bcm4908enet_intrs_ack(struct bcm4908enet *enet) ++static void bcm4908_enet_intrs_ack(struct bcm4908_enet *enet) + { + enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_STAT, ENET_DMA_INT_DEFAULTS); + } +@@ -144,9 +144,10 @@ static void bcm4908enet_intrs_ack(struct bcm4908enet *enet) + * DMA + */ + +-static int bcm4908_dma_alloc_buf_descs(struct bcm4908enet *enet, struct bcm4908enet_dma_ring *ring) ++static int bcm4908_dma_alloc_buf_descs(struct bcm4908_enet *enet, ++ struct bcm4908_enet_dma_ring *ring) + { +- int size = ring->length * sizeof(struct bcm4908enet_dma_ring_bd); ++ int size = ring->length * sizeof(struct bcm4908_enet_dma_ring_bd); + struct device *dev = enet->dev; + + ring->cpu_addr = dma_alloc_coherent(dev, size, &ring->dma_addr, GFP_KERNEL); +@@ -174,28 +175,28 @@ static int bcm4908_dma_alloc_buf_descs(struct bcm4908enet *enet, struct bcm4908e + return -ENOMEM; + } + +-static void bcm4908enet_dma_free(struct bcm4908enet *enet) ++static void bcm4908_enet_dma_free(struct bcm4908_enet *enet) + { +- struct bcm4908enet_dma_ring *tx_ring = &enet->tx_ring; +- struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring; ++ struct bcm4908_enet_dma_ring *tx_ring = &enet->tx_ring; ++ struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring; + struct device *dev = enet->dev; + int size; + +- size = rx_ring->length * sizeof(struct bcm4908enet_dma_ring_bd); ++ size = rx_ring->length * sizeof(struct bcm4908_enet_dma_ring_bd); + if (rx_ring->cpu_addr) + dma_free_coherent(dev, size, rx_ring->cpu_addr, rx_ring->dma_addr); + kfree(rx_ring->slots); + +- size = tx_ring->length * sizeof(struct bcm4908enet_dma_ring_bd); ++ size = tx_ring->length * sizeof(struct bcm4908_enet_dma_ring_bd); + if (tx_ring->cpu_addr) + dma_free_coherent(dev, size, tx_ring->cpu_addr, tx_ring->dma_addr); + kfree(tx_ring->slots); + } + +-static int bcm4908enet_dma_alloc(struct bcm4908enet *enet) ++static int bcm4908_enet_dma_alloc(struct bcm4908_enet *enet) + { +- struct bcm4908enet_dma_ring *tx_ring = &enet->tx_ring; +- struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring; ++ struct bcm4908_enet_dma_ring *tx_ring = &enet->tx_ring; ++ struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring; + struct device *dev = enet->dev; + int err; + +@@ -216,16 +217,16 @@ static int bcm4908enet_dma_alloc(struct bcm4908enet *enet) + err = bcm4908_dma_alloc_buf_descs(enet, rx_ring); + if (err) { + dev_err(dev, "Failed to alloc RX buf descriptors: %d\n", err); +- bcm4908enet_dma_free(enet); ++ bcm4908_enet_dma_free(enet); + return err; + } + + return 0; + } + +-static void bcm4908enet_dma_reset(struct bcm4908enet *enet) ++static void bcm4908_enet_dma_reset(struct bcm4908_enet *enet) + { +- struct bcm4908enet_dma_ring *rings[] = { &enet->rx_ring, &enet->tx_ring }; ++ struct bcm4908_enet_dma_ring *rings[] = { &enet->rx_ring, &enet->tx_ring }; + int i; + + /* Disable the DMA controller and channel */ +@@ -235,7 +236,7 @@ static void bcm4908enet_dma_reset(struct bcm4908enet *enet) + + /* Reset channels state */ + for (i = 0; i < ARRAY_SIZE(rings); i++) { +- struct bcm4908enet_dma_ring *ring = rings[i]; ++ struct bcm4908_enet_dma_ring *ring = rings[i]; + + enet_write(enet, ring->st_ram_block + ENET_DMA_CH_STATE_RAM_BASE_DESC_PTR, 0); + enet_write(enet, ring->st_ram_block + ENET_DMA_CH_STATE_RAM_STATE_DATA, 0); +@@ -244,10 +245,10 @@ static void bcm4908enet_dma_reset(struct bcm4908enet *enet) + } + } + +-static int bcm4908enet_dma_alloc_rx_buf(struct bcm4908enet *enet, unsigned int idx) ++static int bcm4908_enet_dma_alloc_rx_buf(struct bcm4908_enet *enet, unsigned int idx) + { +- struct bcm4908enet_dma_ring_bd *buf_desc = &enet->rx_ring.buf_desc[idx]; +- struct bcm4908enet_dma_ring_slot *slot = &enet->rx_ring.slots[idx]; ++ struct bcm4908_enet_dma_ring_bd *buf_desc = &enet->rx_ring.buf_desc[idx]; ++ struct bcm4908_enet_dma_ring_slot *slot = &enet->rx_ring.slots[idx]; + struct device *dev = enet->dev; + u32 tmp; + int err; +@@ -277,8 +278,8 @@ static int bcm4908enet_dma_alloc_rx_buf(struct bcm4908enet *enet, unsigned int i + return 0; + } + +-static void bcm4908enet_dma_ring_init(struct bcm4908enet *enet, +- struct bcm4908enet_dma_ring *ring) ++static void bcm4908_enet_dma_ring_init(struct bcm4908_enet *enet, ++ struct bcm4908_enet_dma_ring *ring) + { + int reset_channel = 0; /* We support only 1 main channel (with TX and RX) */ + int reset_subch = ring->is_tx ? 1 : 0; +@@ -295,10 +296,10 @@ static void bcm4908enet_dma_ring_init(struct bcm4908enet *enet, + (uint32_t)ring->dma_addr); + } + +-static void bcm4908enet_dma_uninit(struct bcm4908enet *enet) ++static void bcm4908_enet_dma_uninit(struct bcm4908_enet *enet) + { +- struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring; +- struct bcm4908enet_dma_ring_slot *slot; ++ struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring; ++ struct bcm4908_enet_dma_ring_slot *slot; + struct device *dev = enet->dev; + int i; + +@@ -312,48 +313,48 @@ static void bcm4908enet_dma_uninit(struct bcm4908enet *enet) + } + } + +-static int bcm4908enet_dma_init(struct bcm4908enet *enet) ++static int bcm4908_enet_dma_init(struct bcm4908_enet *enet) + { +- struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring; ++ struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring; + struct device *dev = enet->dev; + int err; + int i; + + for (i = 0; i < rx_ring->length; i++) { +- err = bcm4908enet_dma_alloc_rx_buf(enet, i); ++ err = bcm4908_enet_dma_alloc_rx_buf(enet, i); + if (err) { + dev_err(dev, "Failed to alloc RX buffer: %d\n", err); +- bcm4908enet_dma_uninit(enet); ++ bcm4908_enet_dma_uninit(enet); + return err; + } + } + +- bcm4908enet_dma_ring_init(enet, &enet->tx_ring); +- bcm4908enet_dma_ring_init(enet, &enet->rx_ring); ++ bcm4908_enet_dma_ring_init(enet, &enet->tx_ring); ++ bcm4908_enet_dma_ring_init(enet, &enet->rx_ring); + + return 0; + } + +-static void bcm4908enet_dma_tx_ring_ensable(struct bcm4908enet *enet, +- struct bcm4908enet_dma_ring *ring) ++static void bcm4908_enet_dma_tx_ring_ensable(struct bcm4908_enet *enet, ++ struct bcm4908_enet_dma_ring *ring) + { + enet_write(enet, ring->cfg_block + ENET_DMA_CH_CFG, ENET_DMA_CH_CFG_ENABLE); + } + +-static void bcm4908enet_dma_tx_ring_disable(struct bcm4908enet *enet, +- struct bcm4908enet_dma_ring *ring) ++static void bcm4908_enet_dma_tx_ring_disable(struct bcm4908_enet *enet, ++ struct bcm4908_enet_dma_ring *ring) + { + enet_write(enet, ring->cfg_block + ENET_DMA_CH_CFG, 0); + } + +-static void bcm4908enet_dma_rx_ring_enable(struct bcm4908enet *enet, +- struct bcm4908enet_dma_ring *ring) ++static void bcm4908_enet_dma_rx_ring_enable(struct bcm4908_enet *enet, ++ struct bcm4908_enet_dma_ring *ring) + { + enet_set(enet, ring->cfg_block + ENET_DMA_CH_CFG, ENET_DMA_CH_CFG_ENABLE); + } + +-static void bcm4908enet_dma_rx_ring_disable(struct bcm4908enet *enet, +- struct bcm4908enet_dma_ring *ring) ++static void bcm4908_enet_dma_rx_ring_disable(struct bcm4908_enet *enet, ++ struct bcm4908_enet_dma_ring *ring) + { + unsigned long deadline; + u32 tmp; +@@ -376,7 +377,7 @@ static void bcm4908enet_dma_rx_ring_disable(struct bcm4908enet *enet, + * Ethernet driver + */ + +-static void bcm4908enet_gmac_init(struct bcm4908enet *enet) ++static void bcm4908_enet_gmac_init(struct bcm4908_enet *enet) + { + u32 cmd; + +@@ -407,75 +408,75 @@ static void bcm4908enet_gmac_init(struct bcm4908enet *enet) + ENET_GMAC_STATUS_LINK_UP); + } + +-static irqreturn_t bcm4908enet_irq_handler(int irq, void *dev_id) ++static irqreturn_t bcm4908_enet_irq_handler(int irq, void *dev_id) + { +- struct bcm4908enet *enet = dev_id; ++ struct bcm4908_enet *enet = dev_id; + +- bcm4908enet_intrs_off(enet); +- bcm4908enet_intrs_ack(enet); ++ bcm4908_enet_intrs_off(enet); ++ bcm4908_enet_intrs_ack(enet); + + napi_schedule(&enet->napi); + + return IRQ_HANDLED; + } + +-static int bcm4908enet_open(struct net_device *netdev) ++static int bcm4908_enet_open(struct net_device *netdev) + { +- struct bcm4908enet *enet = netdev_priv(netdev); ++ struct bcm4908_enet *enet = netdev_priv(netdev); + struct device *dev = enet->dev; + int err; + +- err = request_irq(netdev->irq, bcm4908enet_irq_handler, 0, "enet", enet); ++ err = request_irq(netdev->irq, bcm4908_enet_irq_handler, 0, "enet", enet); + if (err) { + dev_err(dev, "Failed to request IRQ %d: %d\n", netdev->irq, err); + return err; + } + +- bcm4908enet_gmac_init(enet); +- bcm4908enet_dma_reset(enet); +- bcm4908enet_dma_init(enet); ++ bcm4908_enet_gmac_init(enet); ++ bcm4908_enet_dma_reset(enet); ++ bcm4908_enet_dma_init(enet); + + enet_umac_set(enet, UMAC_CMD, CMD_TX_EN | CMD_RX_EN); + + enet_set(enet, ENET_DMA_CONTROLLER_CFG, ENET_DMA_CTRL_CFG_MASTER_EN); + enet_maskset(enet, ENET_DMA_CONTROLLER_CFG, ENET_DMA_CTRL_CFG_FLOWC_CH1_EN, 0); +- bcm4908enet_dma_rx_ring_enable(enet, &enet->rx_ring); ++ bcm4908_enet_dma_rx_ring_enable(enet, &enet->rx_ring); + + napi_enable(&enet->napi); + netif_carrier_on(netdev); + netif_start_queue(netdev); + +- bcm4908enet_intrs_ack(enet); +- bcm4908enet_intrs_on(enet); ++ bcm4908_enet_intrs_ack(enet); ++ bcm4908_enet_intrs_on(enet); + + return 0; + } + +-static int bcm4908enet_stop(struct net_device *netdev) ++static int bcm4908_enet_stop(struct net_device *netdev) + { +- struct bcm4908enet *enet = netdev_priv(netdev); ++ struct bcm4908_enet *enet = netdev_priv(netdev); + + netif_stop_queue(netdev); + netif_carrier_off(netdev); + napi_disable(&enet->napi); + +- bcm4908enet_dma_rx_ring_disable(enet, &enet->rx_ring); +- bcm4908enet_dma_tx_ring_disable(enet, &enet->tx_ring); ++ bcm4908_enet_dma_rx_ring_disable(enet, &enet->rx_ring); ++ bcm4908_enet_dma_tx_ring_disable(enet, &enet->tx_ring); + +- bcm4908enet_dma_uninit(enet); ++ bcm4908_enet_dma_uninit(enet); + + free_irq(enet->netdev->irq, enet); + + return 0; + } + +-static int bcm4908enet_start_xmit(struct sk_buff *skb, struct net_device *netdev) ++static int bcm4908_enet_start_xmit(struct sk_buff *skb, struct net_device *netdev) + { +- struct bcm4908enet *enet = netdev_priv(netdev); +- struct bcm4908enet_dma_ring *ring = &enet->tx_ring; +- struct bcm4908enet_dma_ring_slot *slot; ++ struct bcm4908_enet *enet = netdev_priv(netdev); ++ struct bcm4908_enet_dma_ring *ring = &enet->tx_ring; ++ struct bcm4908_enet_dma_ring_slot *slot; + struct device *dev = enet->dev; +- struct bcm4908enet_dma_ring_bd *buf_desc; ++ struct bcm4908_enet_dma_ring_bd *buf_desc; + int free_buf_descs; + u32 tmp; + +@@ -525,7 +526,7 @@ static int bcm4908enet_start_xmit(struct sk_buff *skb, struct net_device *netdev + buf_desc->addr = cpu_to_le32((uint32_t)slot->dma_addr); + buf_desc->ctl = cpu_to_le32(tmp); + +- bcm4908enet_dma_tx_ring_ensable(enet, &enet->tx_ring); ++ bcm4908_enet_dma_tx_ring_ensable(enet, &enet->tx_ring); + + if (++ring->write_idx == ring->length - 1) + ring->write_idx = 0; +@@ -535,15 +536,15 @@ static int bcm4908enet_start_xmit(struct sk_buff *skb, struct net_device *netdev + return NETDEV_TX_OK; + } + +-static int bcm4908enet_poll(struct napi_struct *napi, int weight) ++static int bcm4908_enet_poll(struct napi_struct *napi, int weight) + { +- struct bcm4908enet *enet = container_of(napi, struct bcm4908enet, napi); ++ struct bcm4908_enet *enet = container_of(napi, struct bcm4908_enet, napi); + struct device *dev = enet->dev; + int handled = 0; + + while (handled < weight) { +- struct bcm4908enet_dma_ring_bd *buf_desc; +- struct bcm4908enet_dma_ring_slot slot; ++ struct bcm4908_enet_dma_ring_bd *buf_desc; ++ struct bcm4908_enet_dma_ring_slot slot; + u32 ctl; + int len; + int err; +@@ -556,7 +557,7 @@ static int bcm4908enet_poll(struct napi_struct *napi, int weight) + slot = enet->rx_ring.slots[enet->rx_ring.read_idx]; + + /* Provide new buffer before unpinning the old one */ +- err = bcm4908enet_dma_alloc_rx_buf(enet, enet->rx_ring.read_idx); ++ err = bcm4908_enet_dma_alloc_rx_buf(enet, enet->rx_ring.read_idx); + if (err) + break; + +@@ -583,24 +584,24 @@ static int bcm4908enet_poll(struct napi_struct *napi, int weight) + + if (handled < weight) { + napi_complete_done(napi, handled); +- bcm4908enet_intrs_on(enet); ++ bcm4908_enet_intrs_on(enet); + } + + return handled; + } + + static const struct net_device_ops bcm96xx_netdev_ops = { +- .ndo_open = bcm4908enet_open, +- .ndo_stop = bcm4908enet_stop, +- .ndo_start_xmit = bcm4908enet_start_xmit, ++ .ndo_open = bcm4908_enet_open, ++ .ndo_stop = bcm4908_enet_stop, ++ .ndo_start_xmit = bcm4908_enet_start_xmit, + .ndo_set_mac_address = eth_mac_addr, + }; + +-static int bcm4908enet_probe(struct platform_device *pdev) ++static int bcm4908_enet_probe(struct platform_device *pdev) + { + struct device *dev = &pdev->dev; + struct net_device *netdev; +- struct bcm4908enet *enet; ++ struct bcm4908_enet *enet; + int err; + + netdev = devm_alloc_etherdev(dev, sizeof(*enet)); +@@ -623,7 +624,7 @@ static int bcm4908enet_probe(struct platform_device *pdev) + + dma_set_coherent_mask(dev, DMA_BIT_MASK(32)); + +- err = bcm4908enet_dma_alloc(enet); ++ err = bcm4908_enet_dma_alloc(enet); + if (err) + return err; + +@@ -633,11 +634,11 @@ static int bcm4908enet_probe(struct platform_device *pdev) + netdev->min_mtu = ETH_ZLEN; + netdev->mtu = ENET_MTU_MAX; + netdev->max_mtu = ENET_MTU_MAX; +- netif_napi_add(netdev, &enet->napi, bcm4908enet_poll, 64); ++ netif_napi_add(netdev, &enet->napi, bcm4908_enet_poll, 64); + + err = register_netdev(netdev); + if (err) { +- bcm4908enet_dma_free(enet); ++ bcm4908_enet_dma_free(enet); + return err; + } + +@@ -646,31 +647,31 @@ static int bcm4908enet_probe(struct platform_device *pdev) + return 0; + } + +-static int bcm4908enet_remove(struct platform_device *pdev) ++static int bcm4908_enet_remove(struct platform_device *pdev) + { +- struct bcm4908enet *enet = platform_get_drvdata(pdev); ++ struct bcm4908_enet *enet = platform_get_drvdata(pdev); + + unregister_netdev(enet->netdev); + netif_napi_del(&enet->napi); +- bcm4908enet_dma_free(enet); ++ bcm4908_enet_dma_free(enet); + + return 0; + } + +-static const struct of_device_id bcm4908enet_of_match[] = { +- { .compatible = "brcm,bcm4908enet"}, ++static const struct of_device_id bcm4908_enet_of_match[] = { ++ { .compatible = "brcm,bcm4908-enet"}, + {}, + }; + +-static struct platform_driver bcm4908enet_driver = { ++static struct platform_driver bcm4908_enet_driver = { + .driver = { +- .name = "bcm4908enet", +- .of_match_table = bcm4908enet_of_match, ++ .name = "bcm4908_enet", ++ .of_match_table = bcm4908_enet_of_match, + }, +- .probe = bcm4908enet_probe, +- .remove = bcm4908enet_remove, ++ .probe = bcm4908_enet_probe, ++ .remove = bcm4908_enet_remove, + }; +-module_platform_driver(bcm4908enet_driver); ++module_platform_driver(bcm4908_enet_driver); + + MODULE_LICENSE("GPL v2"); +-MODULE_DEVICE_TABLE(of, bcm4908enet_of_match); ++MODULE_DEVICE_TABLE(of, bcm4908_enet_of_match); +diff --git a/drivers/net/ethernet/broadcom/bcm4908enet.h b/drivers/net/ethernet/broadcom/bcm4908_enet.h +similarity index 98% +rename from drivers/net/ethernet/broadcom/bcm4908enet.h +rename to drivers/net/ethernet/broadcom/bcm4908_enet.h +index 11aadf0715d3..8a3ede2da537 100644 +--- a/drivers/net/ethernet/broadcom/bcm4908enet.h ++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.h +@@ -1,6 +1,6 @@ + /* SPDX-License-Identifier: GPL-2.0-only */ +-#ifndef __BCM4908ENET_H +-#define __BCM4908ENET_H ++#ifndef __BCM4908_ENET_H ++#define __BCM4908_ENET_H + + #define ENET_CONTROL 0x000 + #define ENET_MIB_CTRL 0x004 diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0004-net-broadcom-bcm4908_enet-drop-unneeded-memset.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0004-net-broadcom-bcm4908_enet-drop-unneeded-memset.patch new file mode 100644 index 0000000000..561f045b75 --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0004-net-broadcom-bcm4908_enet-drop-unneeded-memset.patch @@ -0,0 +1,30 @@ +From af263af64683f018be9ce3c309edfa9903f5109a Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Thu, 11 Feb 2021 13:12:35 +0100 +Subject: [PATCH] net: broadcom: bcm4908_enet: drop unneeded memset() +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +dma_alloc_coherent takes care of zeroing allocated memory + +Suggested-by: Andrew Lunn <andrew@lunn.ch> +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Reviewed-by: Andrew Lunn <andrew@lunn.ch> +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/broadcom/bcm4908_enet.c | 2 -- + 1 file changed, 2 deletions(-) + +--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c ++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c +@@ -163,8 +163,6 @@ static int bcm4908_dma_alloc_buf_descs(s + if (!ring->slots) + goto err_free_buf_descs; + +- memset(ring->cpu_addr, 0, size); +- + ring->read_idx = 0; + ring->write_idx = 0; + diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0005-net-broadcom-bcm4908_enet-drop-inline-from-C-functio.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0005-net-broadcom-bcm4908_enet-drop-inline-from-C-functio.patch new file mode 100644 index 0000000000..a8c188f30d --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0005-net-broadcom-bcm4908_enet-drop-inline-from-C-functio.patch @@ -0,0 +1,75 @@ +From 7b778ae4eb9cd6e1518e4e47902a104b13ae8929 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Thu, 11 Feb 2021 13:12:36 +0100 +Subject: [PATCH] net: broadcom: bcm4908_enet: drop "inline" from C functions +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +It seems preferred to let compiler optimize code if applicable. +While at it drop unused enet_umac_maskset(). + +Suggested-by: Andrew Lunn <andrew@lunn.ch> +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Reviewed-by: Andrew Lunn <andrew@lunn.ch> +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/broadcom/bcm4908_enet.c | 19 +++++++------------ + 1 file changed, 7 insertions(+), 12 deletions(-) + +--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c ++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c +@@ -75,17 +75,17 @@ struct bcm4908_enet { + * R/W ops + */ + +-static inline u32 enet_read(struct bcm4908_enet *enet, u16 offset) ++static u32 enet_read(struct bcm4908_enet *enet, u16 offset) + { + return readl(enet->base + offset); + } + +-static inline void enet_write(struct bcm4908_enet *enet, u16 offset, u32 value) ++static void enet_write(struct bcm4908_enet *enet, u16 offset, u32 value) + { + writel(value, enet->base + offset); + } + +-static inline void enet_maskset(struct bcm4908_enet *enet, u16 offset, u32 mask, u32 set) ++static void enet_maskset(struct bcm4908_enet *enet, u16 offset, u32 mask, u32 set) + { + u32 val; + +@@ -96,27 +96,22 @@ static inline void enet_maskset(struct b + enet_write(enet, offset, val); + } + +-static inline void enet_set(struct bcm4908_enet *enet, u16 offset, u32 set) ++static void enet_set(struct bcm4908_enet *enet, u16 offset, u32 set) + { + enet_maskset(enet, offset, set, set); + } + +-static inline u32 enet_umac_read(struct bcm4908_enet *enet, u16 offset) ++static u32 enet_umac_read(struct bcm4908_enet *enet, u16 offset) + { + return enet_read(enet, ENET_UNIMAC + offset); + } + +-static inline void enet_umac_write(struct bcm4908_enet *enet, u16 offset, u32 value) ++static void enet_umac_write(struct bcm4908_enet *enet, u16 offset, u32 value) + { + enet_write(enet, ENET_UNIMAC + offset, value); + } + +-static inline void enet_umac_maskset(struct bcm4908_enet *enet, u16 offset, u32 mask, u32 set) +-{ +- enet_maskset(enet, ENET_UNIMAC + offset, mask, set); +-} +- +-static inline void enet_umac_set(struct bcm4908_enet *enet, u16 offset, u32 set) ++static void enet_umac_set(struct bcm4908_enet *enet, u16 offset, u32 set) + { + enet_set(enet, ENET_UNIMAC + offset, set); + } diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0006-net-broadcom-bcm4908_enet-fix-minor-typos.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0006-net-broadcom-bcm4908_enet-fix-minor-typos.patch new file mode 100644 index 0000000000..1aacb1c8cf --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0006-net-broadcom-bcm4908_enet-fix-minor-typos.patch @@ -0,0 +1,60 @@ +From e3948811720341f99cd5cb4a8a650473400ec4f8 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Thu, 11 Feb 2021 13:12:37 +0100 +Subject: [PATCH] net: broadcom: bcm4908_enet: fix minor typos +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +1. Fix "ensable" typo noticed by Andrew +2. Fix chipset name in the struct net_device_ops variable + +Suggested-by: Andrew Lunn <andrew@lunn.ch> +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Reviewed-by: Andrew Lunn <andrew@lunn.ch> +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/broadcom/bcm4908_enet.c | 10 +++++----- + 1 file changed, 5 insertions(+), 5 deletions(-) + +--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c ++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c +@@ -328,8 +328,8 @@ static int bcm4908_enet_dma_init(struct + return 0; + } + +-static void bcm4908_enet_dma_tx_ring_ensable(struct bcm4908_enet *enet, +- struct bcm4908_enet_dma_ring *ring) ++static void bcm4908_enet_dma_tx_ring_enable(struct bcm4908_enet *enet, ++ struct bcm4908_enet_dma_ring *ring) + { + enet_write(enet, ring->cfg_block + ENET_DMA_CH_CFG, ENET_DMA_CH_CFG_ENABLE); + } +@@ -519,7 +519,7 @@ static int bcm4908_enet_start_xmit(struc + buf_desc->addr = cpu_to_le32((uint32_t)slot->dma_addr); + buf_desc->ctl = cpu_to_le32(tmp); + +- bcm4908_enet_dma_tx_ring_ensable(enet, &enet->tx_ring); ++ bcm4908_enet_dma_tx_ring_enable(enet, &enet->tx_ring); + + if (++ring->write_idx == ring->length - 1) + ring->write_idx = 0; +@@ -583,7 +583,7 @@ static int bcm4908_enet_poll(struct napi + return handled; + } + +-static const struct net_device_ops bcm96xx_netdev_ops = { ++static const struct net_device_ops bcm4908_enet_netdev_ops = { + .ndo_open = bcm4908_enet_open, + .ndo_stop = bcm4908_enet_stop, + .ndo_start_xmit = bcm4908_enet_start_xmit, +@@ -623,7 +623,7 @@ static int bcm4908_enet_probe(struct pla + + SET_NETDEV_DEV(netdev, &pdev->dev); + eth_hw_addr_random(netdev); +- netdev->netdev_ops = &bcm96xx_netdev_ops; ++ netdev->netdev_ops = &bcm4908_enet_netdev_ops; + netdev->min_mtu = ETH_ZLEN; + netdev->mtu = ENET_MTU_MAX; + netdev->max_mtu = ENET_MTU_MAX; diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0007-net-broadcom-bcm4908_enet-fix-received-skb-length.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0007-net-broadcom-bcm4908_enet-fix-received-skb-length.patch new file mode 100644 index 0000000000..1b51979d71 --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0007-net-broadcom-bcm4908_enet-fix-received-skb-length.patch @@ -0,0 +1,28 @@ +From 195e2d9febfbeef1d09701c387925e5c2f5cb038 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Thu, 11 Feb 2021 13:12:38 +0100 +Subject: [PATCH] net: broadcom: bcm4908_enet: fix received skb length +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Use ETH_FCS_LEN instead of magic value and drop incorrect + 2 + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/broadcom/bcm4908_enet.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c ++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c +@@ -567,7 +567,7 @@ static int bcm4908_enet_poll(struct napi + + dma_unmap_single(dev, slot.dma_addr, slot.len, DMA_FROM_DEVICE); + +- skb_put(slot.skb, len - 4 + 2); ++ skb_put(slot.skb, len - ETH_FCS_LEN); + slot.skb->protocol = eth_type_trans(slot.skb, enet->netdev); + netif_receive_skb(slot.skb); + diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0008-net-broadcom-bcm4908_enet-fix-endianness-in-xmit-cod.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0008-net-broadcom-bcm4908_enet-fix-endianness-in-xmit-cod.patch new file mode 100644 index 0000000000..eda0bf482e --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0008-net-broadcom-bcm4908_enet-fix-endianness-in-xmit-cod.patch @@ -0,0 +1,28 @@ +From bdd70b997799099597fc0952fb0ec1bd80505bc4 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Thu, 11 Feb 2021 13:12:39 +0100 +Subject: [PATCH] net: broadcom: bcm4908_enet: fix endianness in xmit code +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Use le32_to_cpu() for reading __le32 struct field filled by hw. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/broadcom/bcm4908_enet.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c ++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c +@@ -476,7 +476,7 @@ static int bcm4908_enet_start_xmit(struc + /* Free transmitted skbs */ + while (ring->read_idx != ring->write_idx) { + buf_desc = &ring->buf_desc[ring->read_idx]; +- if (buf_desc->ctl & DMA_CTL_STATUS_OWN) ++ if (le32_to_cpu(buf_desc->ctl) & DMA_CTL_STATUS_OWN) + break; + slot = &ring->slots[ring->read_idx]; + diff --git a/target/linux/bcm4908/patches-5.4/082-v5.12-0002-soc-bcm-add-PM-driver-for-Broadcom-s-PMB.patch b/target/linux/bcm4908/patches-5.4/082-v5.12-0002-soc-bcm-add-PM-driver-for-Broadcom-s-PMB.patch index e462174ca6..29e48c7f6c 100644 --- a/target/linux/bcm4908/patches-5.4/082-v5.12-0002-soc-bcm-add-PM-driver-for-Broadcom-s-PMB.patch +++ b/target/linux/bcm4908/patches-5.4/082-v5.12-0002-soc-bcm-add-PM-driver-for-Broadcom-s-PMB.patch @@ -24,7 +24,7 @@ Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> --- a/MAINTAINERS +++ b/MAINTAINERS -@@ -3405,6 +3405,16 @@ L: linux-mips@vger.kernel.org +@@ -3414,6 +3414,16 @@ L: linux-mips@vger.kernel.org S: Maintained F: drivers/firmware/broadcom/* diff --git a/target/linux/bcm4908/patches-5.4/302-arm64-dts-broadcom-bcm4908-describe-Ethernet-control.patch b/target/linux/bcm4908/patches-5.4/302-arm64-dts-broadcom-bcm4908-describe-Ethernet-control.patch index f70487cecc..ed8fac387f 100644 --- a/target/linux/bcm4908/patches-5.4/302-arm64-dts-broadcom-bcm4908-describe-Ethernet-control.patch +++ b/target/linux/bcm4908/patches-5.4/302-arm64-dts-broadcom-bcm4908-describe-Ethernet-control.patch @@ -12,7 +12,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> --- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi +++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi -@@ -112,6 +112,13 @@ +@@ -112,6 +112,14 @@ #size-cells = <1>; ranges = <0x00 0x00 0x80000000 0x281000>; @@ -21,12 +21,13 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> + reg = <0x2000 0x1000>; + + interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>; ++ interrupt-names = "rx"; + }; + usb_phy: usb-phy@c200 { compatible = "brcm,bcm4908-usb-phy"; reg = <0xc200 0x100>; -@@ -199,6 +206,18 @@ +@@ -199,6 +207,18 @@ phy-mode = "internal"; phy-handle = <&phy11>; }; |