diff options
author | Stijn Segers <foss@volatilesystems.org> | 2018-06-29 22:29:06 +0200 |
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committer | John Crispin <john@phrozen.org> | 2018-07-02 07:06:23 +0200 |
commit | ab7cabd09df542cf3558725573c2ef2cf1c7cdff (patch) | |
tree | 791b3f74b7c5e60f1409836871287337f4cf0e38 /target/linux/mvebu | |
parent | c96b344466fc80cb5815eeab87c6ca9a29fb9207 (diff) | |
download | upstream-ab7cabd09df542cf3558725573c2ef2cf1c7cdff.tar.gz upstream-ab7cabd09df542cf3558725573c2ef2cf1c7cdff.tar.bz2 upstream-ab7cabd09df542cf3558725573c2ef2cf1c7cdff.zip |
kernel: bump 4.14 to 4.14.52 for 18.06
Compile-tested on: ramips/mt7621, x86/64.
Run-tested on: ramips/mt7621.
Signed-off-by: Stijn Segers <foss@volatilesystems.org>
Diffstat (limited to 'target/linux/mvebu')
-rw-r--r-- | target/linux/mvebu/patches-4.14/530-ATA-ahci_mvebu-enable-stop_engine-override.patch | 224 | ||||
-rw-r--r-- | target/linux/mvebu/patches-4.14/531-ATA-ahci_mvebu-pmp-stop-errata-226.patch | 110 |
2 files changed, 0 insertions, 334 deletions
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(); - |