diff options
13 files changed, 21 insertions, 360 deletions
diff --git a/include/kernel-version.mk b/include/kernel-version.mk index 825a227915..52a8433ec6 100644 --- a/include/kernel-version.mk +++ b/include/kernel-version.mk @@ -5,12 +5,12 @@ LINUX_RELEASE?=1 LINUX_VERSION-3.18 = .71 LINUX_VERSION-4.4 = .121 LINUX_VERSION-4.9 = .109 -LINUX_VERSION-4.14 = .50 +LINUX_VERSION-4.14 = .51 LINUX_KERNEL_HASH-3.18.71 = 5abc9778ad44ce02ed6c8ab52ece8a21c6d20d21f6ed8a19287b4a38a50c1240 LINUX_KERNEL_HASH-4.4.121 = 44a88268b5088dc326b30c9b9133ac35a9a200b636b7268d08f32abeae6ca729 LINUX_KERNEL_HASH-4.9.109 = 3dcd5654a553432119492b69e649c4ed117781bfd571edcb02346c945be359b0 -LINUX_KERNEL_HASH-4.14.50 = 703a8d013b25dc428d936f72858fa0c702c22cb3114a040fb9bb47562e4ea2ac +LINUX_KERNEL_HASH-4.14.51 = dab2402baa2444348f9b3c354e8f65382a466d1766942a57441209f9a2df972b remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1)))) sanitize_uri=$(call qstrip,$(subst @,_,$(subst :,_,$(subst .,_,$(subst -,_,$(subst /,_,$(1))))))) diff --git a/target/linux/arc770/patches-4.14/700-stmmac-Disable-frame-filtering-completely.patch b/target/linux/arc770/patches-4.14/700-stmmac-Disable-frame-filtering-completely.patch index 58094ae96d..e63c2e934b 100644 --- a/target/linux/arc770/patches-4.14/700-stmmac-Disable-frame-filtering-completely.patch +++ b/target/linux/arc770/patches-4.14/700-stmmac-Disable-frame-filtering-completely.patch @@ -20,7 +20,7 @@ Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h -@@ -49,7 +49,7 @@ +@@ -46,7 +46,7 @@ #define STMMAC_GET_ENTRY(x, size) ((x + 1) & (size - 1)) #undef FRAME_FILTER_DEBUG diff --git a/target/linux/generic/backport-4.14/324-v4.16-netfilter-flow-table-support-for-IPv6.patch b/target/linux/generic/backport-4.14/324-v4.16-netfilter-flow-table-support-for-IPv6.patch index a561f2669d..874195558c 100644 --- a/target/linux/generic/backport-4.14/324-v4.16-netfilter-flow-table-support-for-IPv6.patch +++ b/target/linux/generic/backport-4.14/324-v4.16-netfilter-flow-table-support-for-IPv6.patch @@ -45,7 +45,7 @@ Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> { --- a/net/ipv6/netfilter/Kconfig +++ b/net/ipv6/netfilter/Kconfig -@@ -71,6 +71,14 @@ config NFT_FIB_IPV6 +@@ -99,6 +99,14 @@ config NFT_FIB_IPV6 endif # NF_TABLES_IPV6 endif # NF_TABLES diff --git a/target/linux/generic/backport-4.14/329-v4.16-netfilter-improve-flow-table-Kconfig-dependencies.patch b/target/linux/generic/backport-4.14/329-v4.16-netfilter-improve-flow-table-Kconfig-dependencies.patch index c897c36724..7174723fc9 100644 --- a/target/linux/generic/backport-4.14/329-v4.16-netfilter-improve-flow-table-Kconfig-dependencies.patch +++ b/target/linux/generic/backport-4.14/329-v4.16-netfilter-improve-flow-table-Kconfig-dependencies.patch @@ -72,7 +72,7 @@ Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> --- a/net/ipv6/netfilter/Kconfig +++ b/net/ipv6/netfilter/Kconfig -@@ -72,8 +72,9 @@ endif # NF_TABLES_IPV6 +@@ -100,8 +100,9 @@ endif # NF_TABLES_IPV6 endif # NF_TABLES config NF_FLOW_TABLE_IPV6 diff --git a/target/linux/generic/backport-4.14/346-v4.16-netfilter-flowtable-infrastructure-depends-on-NETFIL.patch b/target/linux/generic/backport-4.14/346-v4.16-netfilter-flowtable-infrastructure-depends-on-NETFIL.patch index 5267fd2f67..162086e340 100644 --- a/target/linux/generic/backport-4.14/346-v4.16-netfilter-flowtable-infrastructure-depends-on-NETFIL.patch +++ b/target/linux/generic/backport-4.14/346-v4.16-netfilter-flowtable-infrastructure-depends-on-NETFIL.patch @@ -37,7 +37,7 @@ Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> --- a/net/ipv6/netfilter/Kconfig +++ b/net/ipv6/netfilter/Kconfig -@@ -73,8 +73,7 @@ endif # NF_TABLES +@@ -101,8 +101,7 @@ endif # NF_TABLES config NF_FLOW_TABLE_IPV6 tristate "Netfilter flow table IPv6 module" diff --git a/target/linux/generic/hack-4.14/650-netfilter-add-xt_OFFLOAD-target.patch b/target/linux/generic/hack-4.14/650-netfilter-add-xt_OFFLOAD-target.patch index 418ea469e6..308fe0974d 100644 --- a/target/linux/generic/hack-4.14/650-netfilter-add-xt_OFFLOAD-target.patch +++ b/target/linux/generic/hack-4.14/650-netfilter-add-xt_OFFLOAD-target.patch @@ -28,7 +28,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> depends on !NF_CONNTRACK || NF_CONNTRACK --- a/net/ipv6/netfilter/Kconfig +++ b/net/ipv6/netfilter/Kconfig -@@ -69,7 +69,6 @@ config NFT_FIB_IPV6 +@@ -97,7 +97,6 @@ config NFT_FIB_IPV6 multicast or blackhole. endif # NF_TABLES_IPV6 @@ -36,7 +36,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> config NF_FLOW_TABLE_IPV6 tristate "Netfilter flow table IPv6 module" -@@ -79,6 +78,8 @@ config NF_FLOW_TABLE_IPV6 +@@ -107,6 +106,8 @@ config NF_FLOW_TABLE_IPV6 To compile it as a module, choose M here. diff --git a/target/linux/ipq40xx/patches-4.14/902-essedma-alloc-skb-ip-align.patch b/target/linux/ipq40xx/patches-4.14/902-essedma-alloc-skb-ip-align.patch index 82766c1f2c..8c70fceb01 100644 --- a/target/linux/ipq40xx/patches-4.14/902-essedma-alloc-skb-ip-align.patch +++ b/target/linux/ipq40xx/patches-4.14/902-essedma-alloc-skb-ip-align.patch @@ -8,11 +8,9 @@ Signed-off-by: Chen Minqiang <ptpt52@gmail.com> drivers/net/ethernet/qualcomm/essedma/edma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -diff --git a/drivers/net/ethernet/qualcomm/essedma/edma.c b/drivers/net/ethernet/qualcomm/essedma/edma.c -index a3c0d66..29bc9f8 100644 --- a/drivers/net/ethernet/qualcomm/essedma/edma.c +++ b/drivers/net/ethernet/qualcomm/essedma/edma.c -@@ -193,7 +193,7 @@ static int edma_alloc_rx_buf(struct edma_common_info +@@ -201,7 +201,7 @@ static int edma_alloc_rx_buf(struct edma skb = sw_desc->skb; } else { /* alloc skb */ @@ -21,6 +19,3 @@ index a3c0d66..29bc9f8 100644 if (!skb) { /* Better luck next round */ break; --- -2.17.1 - diff --git a/target/linux/ipq40xx/patches-4.14/997-device_tree_cmdline.patch b/target/linux/ipq40xx/patches-4.14/997-device_tree_cmdline.patch index 51a35c17d9..8b5e64a2d4 100644 --- a/target/linux/ipq40xx/patches-4.14/997-device_tree_cmdline.patch +++ b/target/linux/ipq40xx/patches-4.14/997-device_tree_cmdline.patch @@ -1,12 +1,12 @@ --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c -@@ -1127,6 +1127,9 @@ int __init early_init_dt_scan_chosen(uns +@@ -1130,6 +1130,9 @@ int __init early_init_dt_scan_chosen(uns p = of_get_flat_dt_prop(node, "bootargs", &l); if (p != NULL && l > 0) strlcpy(data, p, min((int)l, COMMAND_LINE_SIZE)); + p = of_get_flat_dt_prop(node, "bootargs-append", &l); + if (p != NULL && l > 0) + strlcat(data, p, min_t(int, strlen(data) + (int)l, COMMAND_LINE_SIZE)); - + /* * CONFIG_CMDLINE is meant to be a default in case nothing else diff --git a/target/linux/ipq806x/patches-4.14/0035-clk-mux-Split-out-register-accessors-for-reuse.patch b/target/linux/ipq806x/patches-4.14/0035-clk-mux-Split-out-register-accessors-for-reuse.patch index 0d919ee668..e65ca02980 100644 --- a/target/linux/ipq806x/patches-4.14/0035-clk-mux-Split-out-register-accessors-for-reuse.patch +++ b/target/linux/ipq806x/patches-4.14/0035-clk-mux-Split-out-register-accessors-for-reuse.patch @@ -135,14 +135,14 @@ Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> if (mux->lock) spin_lock_irqsave(mux->lock, flags); else -@@ -102,14 +121,14 @@ static int clk_mux_set_parent(struct clk +@@ -110,14 +129,14 @@ static int clk_mux_determine_rate(struct } const struct clk_ops clk_mux_ops = { - .get_parent = clk_mux_get_parent, + .get_parent = _clk_mux_get_parent, .set_parent = clk_mux_set_parent, - .determine_rate = __clk_mux_determine_rate, + .determine_rate = clk_mux_determine_rate, }; EXPORT_SYMBOL_GPL(clk_mux_ops); @@ -152,7 +152,7 @@ Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> }; EXPORT_SYMBOL_GPL(clk_mux_ro_ops); -@@ -117,7 +136,7 @@ struct clk_hw *clk_hw_register_mux_table +@@ -125,7 +144,7 @@ struct clk_hw *clk_hw_register_mux_table const char * const *parent_names, u8 num_parents, unsigned long flags, void __iomem *reg, u8 shift, u32 mask, diff --git a/target/linux/ipq806x/patches-4.14/0069-arm-boot-add-dts-files.patch b/target/linux/ipq806x/patches-4.14/0069-arm-boot-add-dts-files.patch index 59f37a7027..b94e4828c9 100644 --- a/target/linux/ipq806x/patches-4.14/0069-arm-boot-add-dts-files.patch +++ b/target/linux/ipq806x/patches-4.14/0069-arm-boot-add-dts-files.patch @@ -11,9 +11,9 @@ Signed-off-by: John Crispin <john@phrozen.org> --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -699,6 +699,16 @@ dtb-$(CONFIG_ARCH_QCOM) += \ - qcom-apq8084-mtp.dtb \ - qcom-ipq4019-ap.dk01.1-c1.dtb \ - qcom-ipq8064-ap148.dtb \ + qcom-apq8084-mtp.dtb \ + qcom-ipq4019-ap.dk01.1-c1.dtb \ + qcom-ipq8064-ap148.dtb \ + qcom-ipq8064-c2600.dtb \ + qcom-ipq8064-d7800.dtb \ + qcom-ipq8064-db149.dtb \ @@ -24,6 +24,6 @@ Signed-off-by: John Crispin <john@phrozen.org> + qcom-ipq8064-wpq864.dtb \ + qcom-ipq8065-nbg6817.dtb \ + qcom-ipq8065-r7800.dtb \ - qcom-msm8660-surf.dtb \ - qcom-msm8960-cdp.dtb \ - qcom-msm8974-lge-nexus5-hammerhead.dtb \ + qcom-msm8660-surf.dtb \ + qcom-msm8960-cdp.dtb \ + qcom-msm8974-lge-nexus5-hammerhead.dtb \ diff --git a/target/linux/mediatek/patches-4.14/0012-clk-dont-disable-unused-clocks.patch b/target/linux/mediatek/patches-4.14/0012-clk-dont-disable-unused-clocks.patch index ed4111dce3..33ede7d3a6 100644 --- a/target/linux/mediatek/patches-4.14/0012-clk-dont-disable-unused-clocks.patch +++ b/target/linux/mediatek/patches-4.14/0012-clk-dont-disable-unused-clocks.patch @@ -10,7 +10,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org> --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c -@@ -796,7 +796,7 @@ unlock_out: +@@ -797,7 +797,7 @@ unlock_out: clk_core_disable_unprepare(core->parent); } diff --git a/target/linux/mvebu/patches-4.14/530-ATA-ahci_mvebu-enable-stop_engine-override.patch b/target/linux/mvebu/patches-4.14/530-ATA-ahci_mvebu-enable-stop_engine-override.patch deleted file mode 100644 index 2d56749607..0000000000 --- a/target/linux/mvebu/patches-4.14/530-ATA-ahci_mvebu-enable-stop_engine-override.patch +++ /dev/null @@ -1,224 +0,0 @@ -From fa89f53bd7288d6aa7a982841119e7123faf5a53 Mon Sep 17 00:00:00 2001 -From: Evan Wang <xswang@marvell.com> -Date: Fri, 13 Apr 2018 12:32:30 +0800 -Subject: [PATCH] libahci: Allow drivers to override stop_engine - -Marvell armada37xx, armada7k and armada8k share the same -AHCI sata controller IP, and currently there is an issue -(Errata Ref#226)that the SATA can not be detected via SATA -Port-MultiPlayer(PMP). After debugging, the reason is -found that the value of Port-x FIS-based Switching Control -(PxFBS@0x40) became wrong. -According to design, the bits[11:8, 0] of register PxFBS -are cleared when Port Command and Status (0x18) bit[0] -changes its value from 1 to 0, i.e. falling edge of Port -Command and Status bit[0] sends PULSE that resets PxFBS -bits[11:8; 0]. -So it needs save the port PxFBS register before PxCMD -ST write and restore the port PxFBS register afterwards -in ahci_stop_engine(). - -This commit allows drivers to override ahci_stop_engine -behavior for use by the Marvell AHCI driver(and potentially -other drivers in the future). - -Signed-off-by: Evan Wang <xswang@marvell.com> -Cc: Ofer Heifetz <oferh@marvell.com> -Cc: Tejun Heo <tj@kernel.org> -Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com> -Signed-off-by: Tejun Heo <tj@kernel.org> ---- - drivers/ata/ahci.c | 6 +++--- - drivers/ata/ahci.h | 7 +++++++ - drivers/ata/ahci_qoriq.c | 2 +- - drivers/ata/ahci_xgene.c | 4 ++-- - drivers/ata/libahci.c | 20 ++++++++++++-------- - drivers/ata/sata_highbank.c | 2 +- - 6 files changed, 26 insertions(+), 15 deletions(-) - -diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c -index 1ff17799769d0..6389c88b3500a 100644 ---- a/drivers/ata/ahci.c -+++ b/drivers/ata/ahci.c -@@ -698,7 +698,7 @@ static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class, - - DPRINTK("ENTER\n"); - -- ahci_stop_engine(ap); -+ hpriv->stop_engine(ap); - - rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context), - deadline, &online, NULL); -@@ -724,7 +724,7 @@ static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class, - bool online; - int rc; - -- ahci_stop_engine(ap); -+ hpriv->stop_engine(ap); - - /* clear D2H reception area to properly wait for D2H FIS */ - ata_tf_init(link->device, &tf); -@@ -788,7 +788,7 @@ static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class, - - DPRINTK("ENTER\n"); - -- ahci_stop_engine(ap); -+ hpriv->stop_engine(ap); - - for (i = 0; i < 2; i++) { - u16 val; -diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h -index a9d996e17d75e..824bd399f02ea 100644 ---- a/drivers/ata/ahci.h -+++ b/drivers/ata/ahci.h -@@ -365,6 +365,13 @@ struct ahci_host_priv { - * be overridden anytime before the host is activated. - */ - void (*start_engine)(struct ata_port *ap); -+ /* -+ * Optional ahci_stop_engine override, if not set this gets set to the -+ * default ahci_stop_engine during ahci_save_initial_config, this can -+ * be overridden anytime before the host is activated. -+ */ -+ int (*stop_engine)(struct ata_port *ap); -+ - irqreturn_t (*irq_handler)(int irq, void *dev_instance); - - /* only required for per-port MSI(-X) support */ -diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c -index 2685f28160f70..cfdef4d44ae92 100644 ---- a/drivers/ata/ahci_qoriq.c -+++ b/drivers/ata/ahci_qoriq.c -@@ -96,7 +96,7 @@ static int ahci_qoriq_hardreset(struct ata_link *link, unsigned int *class, - - DPRINTK("ENTER\n"); - -- ahci_stop_engine(ap); -+ hpriv->stop_engine(ap); - - /* - * There is a errata on ls1021a Rev1.0 and Rev2.0 which is: -diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c -index c2b5941d9184d..ad58da7c9affd 100644 ---- a/drivers/ata/ahci_xgene.c -+++ b/drivers/ata/ahci_xgene.c -@@ -165,7 +165,7 @@ static int xgene_ahci_restart_engine(struct ata_port *ap) - PORT_CMD_ISSUE, 0x0, 1, 100)) - return -EBUSY; - -- ahci_stop_engine(ap); -+ hpriv->stop_engine(ap); - ahci_start_fis_rx(ap); - - /* -@@ -421,7 +421,7 @@ static int xgene_ahci_hardreset(struct ata_link *link, unsigned int *class, - portrxfis_saved = readl(port_mmio + PORT_FIS_ADDR); - portrxfishi_saved = readl(port_mmio + PORT_FIS_ADDR_HI); - -- ahci_stop_engine(ap); -+ hpriv->stop_engine(ap); - - rc = xgene_ahci_do_hardreset(link, deadline, &online); - -diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c -index 7adcf3caabd00..e5d90977caec2 100644 ---- a/drivers/ata/libahci.c -+++ b/drivers/ata/libahci.c -@@ -560,6 +560,9 @@ void ahci_save_initial_config(struct device *dev, struct ahci_host_priv *hpriv) - if (!hpriv->start_engine) - hpriv->start_engine = ahci_start_engine; - -+ if (!hpriv->stop_engine) -+ hpriv->stop_engine = ahci_stop_engine; -+ - if (!hpriv->irq_handler) - hpriv->irq_handler = ahci_single_level_irq_intr; - } -@@ -897,9 +900,10 @@ static void ahci_start_port(struct ata_port *ap) - static int ahci_deinit_port(struct ata_port *ap, const char **emsg) - { - int rc; -+ struct ahci_host_priv *hpriv = ap->host->private_data; - - /* disable DMA */ -- rc = ahci_stop_engine(ap); -+ rc = hpriv->stop_engine(ap); - if (rc) { - *emsg = "failed to stop engine"; - return rc; -@@ -1310,7 +1314,7 @@ int ahci_kick_engine(struct ata_port *ap) - int busy, rc; - - /* stop engine */ -- rc = ahci_stop_engine(ap); -+ rc = hpriv->stop_engine(ap); - if (rc) - goto out_restart; - -@@ -1549,7 +1553,7 @@ int ahci_do_hardreset(struct ata_link *link, unsigned int *class, - - DPRINTK("ENTER\n"); - -- ahci_stop_engine(ap); -+ hpriv->stop_engine(ap); - - /* clear D2H reception area to properly wait for D2H FIS */ - ata_tf_init(link->device, &tf); -@@ -2075,14 +2079,14 @@ void ahci_error_handler(struct ata_port *ap) - - if (!(ap->pflags & ATA_PFLAG_FROZEN)) { - /* restart engine */ -- ahci_stop_engine(ap); -+ hpriv->stop_engine(ap); - hpriv->start_engine(ap); - } - - sata_pmp_error_handler(ap); - - if (!ata_dev_enabled(ap->link.device)) -- ahci_stop_engine(ap); -+ hpriv->stop_engine(ap); - } - EXPORT_SYMBOL_GPL(ahci_error_handler); - -@@ -2129,7 +2133,7 @@ static void ahci_set_aggressive_devslp(struct ata_port *ap, bool sleep) - return; - - /* set DITO, MDAT, DETO and enable DevSlp, need to stop engine first */ -- rc = ahci_stop_engine(ap); -+ rc = hpriv->stop_engine(ap); - if (rc) - return; - -@@ -2189,7 +2193,7 @@ static void ahci_enable_fbs(struct ata_port *ap) - return; - } - -- rc = ahci_stop_engine(ap); -+ rc = hpriv->stop_engine(ap); - if (rc) - return; - -@@ -2222,7 +2226,7 @@ static void ahci_disable_fbs(struct ata_port *ap) - return; - } - -- rc = ahci_stop_engine(ap); -+ rc = hpriv->stop_engine(ap); - if (rc) - return; - -diff --git a/drivers/ata/sata_highbank.c b/drivers/ata/sata_highbank.c -index aafb8cc035232..e67815b896fcc 100644 ---- a/drivers/ata/sata_highbank.c -+++ b/drivers/ata/sata_highbank.c -@@ -410,7 +410,7 @@ static int ahci_highbank_hardreset(struct ata_link *link, unsigned int *class, - int rc; - int retry = 100; - -- ahci_stop_engine(ap); -+ hpriv->stop_engine(ap); - - /* clear D2H reception area to properly wait for D2H FIS */ - ata_tf_init(link->device, &tf); - diff --git a/target/linux/mvebu/patches-4.14/531-ATA-ahci_mvebu-pmp-stop-errata-226.patch b/target/linux/mvebu/patches-4.14/531-ATA-ahci_mvebu-pmp-stop-errata-226.patch deleted file mode 100644 index e71cc0c49f..0000000000 --- a/target/linux/mvebu/patches-4.14/531-ATA-ahci_mvebu-pmp-stop-errata-226.patch +++ /dev/null @@ -1,110 +0,0 @@ -From daa2e3bdbb0b3e691cf20a042350817310cb8cb5 Mon Sep 17 00:00:00 2001 -From: Evan Wang <xswang@marvell.com> -Date: Fri, 13 Apr 2018 12:32:31 +0800 -Subject: [PATCH] ata: ahci: mvebu: override ahci_stop_engine for mvebu AHCI - -There is an issue(Errata Ref#226) that the SATA can not be -detected via SATA Port-MultiPlayer(PMP) with following -error log: - ata1.15: PMP product ID mismatch - ata1.15: SATA link up 6.0 Gbps (SStatus 133 SControl 300) - ata1.15: Port Multiplier vendor mismatch '0x1b4b'!='0x0' - ata1.15: PMP revalidation failed (errno=-19) - -After debugging, the reason is found that the value Port-x -FIS-based Switching Control(PxFBS@0x40) become wrong. -According to design, the bits[11:8, 0] of register PxFBS -are cleared when Port Command and Status (0x18) bit[0] -changes its value from 1 to 0, i.e. falling edge of Port -Command and Status bit[0] sends PULSE that resets PxFBS -bits[11:8; 0]. -So it needs a mvebu SATA WA to save the port PxFBS register -before PxCMD ST write and restore it afterwards. - -This patch implements the WA in a separate function of -ahci_mvebu_stop_engine to override ahci_stop_gngine. - -Signed-off-by: Evan Wang <xswang@marvell.com> -Cc: Ofer Heifetz <oferh@marvell.com> -Cc: Tejun Heo <tj@kernel.org> -Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com> -Signed-off-by: Tejun Heo <tj@kernel.org> ---- - drivers/ata/ahci_mvebu.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 56 insertions(+) - -diff --git a/drivers/ata/ahci_mvebu.c b/drivers/ata/ahci_mvebu.c -index de7128d81e9cc..0045dacd814b4 100644 ---- a/drivers/ata/ahci_mvebu.c -+++ b/drivers/ata/ahci_mvebu.c -@@ -62,6 +62,60 @@ static void ahci_mvebu_regret_option(struct ahci_host_priv *hpriv) - writel(0x80, hpriv->mmio + AHCI_VENDOR_SPECIFIC_0_DATA); - } - -+/** -+ * ahci_mvebu_stop_engine -+ * -+ * @ap: Target ata port -+ * -+ * Errata Ref#226 - SATA Disk HOT swap issue when connected through -+ * Port Multiplier in FIS-based Switching mode. -+ * -+ * To avoid the issue, according to design, the bits[11:8, 0] of -+ * register PxFBS are cleared when Port Command and Status (0x18) bit[0] -+ * changes its value from 1 to 0, i.e. falling edge of Port -+ * Command and Status bit[0] sends PULSE that resets PxFBS -+ * bits[11:8; 0]. -+ * -+ * This function is used to override function of "ahci_stop_engine" -+ * from libahci.c by adding the mvebu work around(WA) to save PxFBS -+ * value before the PxCMD ST write of 0, then restore PxFBS value. -+ * -+ * Return: 0 on success; Error code otherwise. -+ */ -+int ahci_mvebu_stop_engine(struct ata_port *ap) -+{ -+ void __iomem *port_mmio = ahci_port_base(ap); -+ u32 tmp, port_fbs; -+ -+ tmp = readl(port_mmio + PORT_CMD); -+ -+ /* check if the HBA is idle */ -+ if ((tmp & (PORT_CMD_START | PORT_CMD_LIST_ON)) == 0) -+ return 0; -+ -+ /* save the port PxFBS register for later restore */ -+ port_fbs = readl(port_mmio + PORT_FBS); -+ -+ /* setting HBA to idle */ -+ tmp &= ~PORT_CMD_START; -+ writel(tmp, port_mmio + PORT_CMD); -+ -+ /* -+ * bit #15 PxCMD signal doesn't clear PxFBS, -+ * restore the PxFBS register right after clearing the PxCMD ST, -+ * no need to wait for the PxCMD bit #15. -+ */ -+ writel(port_fbs, port_mmio + PORT_FBS); -+ -+ /* wait for engine to stop. This could be as long as 500 msec */ -+ tmp = ata_wait_register(ap, port_mmio + PORT_CMD, -+ PORT_CMD_LIST_ON, PORT_CMD_LIST_ON, 1, 500); -+ if (tmp & PORT_CMD_LIST_ON) -+ return -EIO; -+ -+ return 0; -+} -+ - #ifdef CONFIG_PM_SLEEP - static int ahci_mvebu_suspend(struct platform_device *pdev, pm_message_t state) - { -@@ -112,6 +166,8 @@ static int ahci_mvebu_probe(struct platform_device *pdev) - if (rc) - return rc; - -+ hpriv->stop_engine = ahci_mvebu_stop_engine; -+ - if (of_device_is_compatible(pdev->dev.of_node, - "marvell,armada-380-ahci")) { - dram = mv_mbus_dram_info(); - |