diff options
Diffstat (limited to 'target/linux/ramips/patches-4.4/0518-net-mediatek-get-rt3050-ethernet-ports-to-be-disable.patch')
| -rw-r--r-- | target/linux/ramips/patches-4.4/0518-net-mediatek-get-rt3050-ethernet-ports-to-be-disable.patch | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/target/linux/ramips/patches-4.4/0518-net-mediatek-get-rt3050-ethernet-ports-to-be-disable.patch b/target/linux/ramips/patches-4.4/0518-net-mediatek-get-rt3050-ethernet-ports-to-be-disable.patch deleted file mode 100644 index 54448bd505..0000000000 --- a/target/linux/ramips/patches-4.4/0518-net-mediatek-get-rt3050-ethernet-ports-to-be-disable.patch +++ /dev/null @@ -1,81 +0,0 @@ -From: Vittorio Gambaletta <openwrt@vittgam.net> -Date: Fri, 01 Jan 2016 00:00:02 +0100 -Subject: [PATCH 3/3] net: mediatek: Get rt3050 ethernet ports to be disabled from the device tree. - -This patch allows configuring ports to be disabled in the device tree; this -saves power, since disabling ports here actually disables power to ethernet -PHYs. - -Line 444 enables all ethernet ports, so line 487 is getting zero ports to be -disabled, except for port 5 in SoCs where this is not implemented as it will -be sticky disabled in register POC0. Because of this, the code will still read -the switch configuration and OR it to the device tree setting. - -Signed-off-by: Vittorio Gambaletta <openwrt@vittgam.net> ---- - ---- a/drivers/net/ethernet/mediatek/esw_rt3050.c -+++ b/drivers/net/ethernet/mediatek/esw_rt3050.c -@@ -10,6 +10,7 @@ - * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name> - * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com> -+ * Copyright (C) 2016 Vittorio Gambaletta <openwrt@vittgam.net> - */ - - #include <linux/module.h> -@@ -219,6 +220,7 @@ struct rt305x_esw { - spinlock_t reg_rw_lock; - - unsigned char port_map; -+ unsigned char port_disable; - unsigned int reg_led_polarity; - - struct switch_dev swdev; -@@ -483,8 +485,14 @@ static void esw_hw_init(struct rt305x_es - esw_w32(esw, 0x00000005, RT305X_ESW_REG_P3LED); - esw_w32(esw, 0x00000005, RT305X_ESW_REG_P4LED); - -- /* Copy disabled port configuration from bootloader setup */ -- port_disable = esw_get_port_disable(esw); -+ /* Copy disabled port configuration from device tree setup */ -+ port_disable = esw->port_disable; -+ -+ /* Disable nonexistent ports by reading the switch config -+ * after having enabled all possible ports above -+ */ -+ port_disable |= esw_get_port_disable(esw); -+ - for (i = 0; i < 6; i++) - esw->ports[i].disable = (port_disable & (1 << i)) != 0; - -@@ -1330,7 +1338,7 @@ static int esw_probe(struct platform_dev - { - struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - struct device_node *np = pdev->dev.of_node; -- const __be32 *port_map, *reg_init; -+ const __be32 *port_map, *port_disable, *reg_init; - struct switch_dev *swdev; - struct rt305x_esw *esw; - int ret; -@@ -1349,6 +1357,10 @@ static int esw_probe(struct platform_dev - if (port_map) - esw->port_map = be32_to_cpu(*port_map); - -+ port_disable = of_get_property(np, "mediatek,portdisable", NULL); -+ if (port_disable) -+ esw->port_disable = be32_to_cpu(*port_disable); -+ - reg_init = of_get_property(np, "mediatek,led_polarity", NULL); - if (reg_init) - esw->reg_led_polarity = be32_to_cpu(*reg_init); ---- a/Documentation/devicetree/bindings/net/ralink,rt3050-esw.txt -+++ b/Documentation/devicetree/bindings/net/ralink,rt3050-esw.txt -@@ -16,6 +16,7 @@ Required properties: - Optional properties: - - mediatek,portmap: can be used to choose if the default switch setup is - llllw or wllll -+- mediatek,portdisable: disable unused ethernet PHYs to save power - - mediatek,led_polarity: override the active high/low settings of the leds - - Example: |