diff options
Diffstat (limited to 'target/linux/sunxi/patches-3.14/192-ahci-platform-changes.patch')
| -rw-r--r-- | target/linux/sunxi/patches-3.14/192-ahci-platform-changes.patch | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/target/linux/sunxi/patches-3.14/192-ahci-platform-changes.patch b/target/linux/sunxi/patches-3.14/192-ahci-platform-changes.patch deleted file mode 100644 index a5f4fc5..0000000 --- a/target/linux/sunxi/patches-3.14/192-ahci-platform-changes.patch +++ /dev/null @@ -1,202 +0,0 @@ -From a52ae09871d171d6771b4bef2d4c56dd435e740f Mon Sep 17 00:00:00 2001 -From: Roger Quadros <rogerq@ti.com> -Date: Mon, 20 Jan 2014 16:32:33 +0200 -Subject: [PATCH] ata: ahci_platform: Add DT compatible for Synopsis DWC AHCI - controller - -Add compatible string "snps,dwc-ahci", which should be used -for Synopsis Designware SATA cores. e.g. on TI OMAP5 and DRA7 platforms. - -Signed-off-by: Roger Quadros <rogerq@ti.com> -Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> -Signed-off-by: Hans de Goede <hdegoede@redhat.com> ---- - drivers/ata/ahci_platform.c | 1 + - 1 file changed, 1 insertion(+) - ---- a/drivers/ata/ahci_platform.c -+++ b/drivers/ata/ahci_platform.c -@@ -23,6 +23,8 @@ - #include <linux/platform_device.h> - #include <linux/libata.h> - #include <linux/ahci_platform.h> -+#include <linux/phy/phy.h> -+#include <linux/pm_runtime.h> - #include "ahci.h" - - static void ahci_host_stop(struct ata_host *host); -@@ -147,6 +149,7 @@ EXPORT_SYMBOL_GPL(ahci_platform_disable_ - * the following order: - * 1) Regulator - * 2) Clocks (through ahci_platform_enable_clks) -+ * 3) Phy - * - * If resource enabling fails at any point the previous enabled - * resources are disabled in reverse order. -@@ -171,8 +174,23 @@ int ahci_platform_enable_resources(struc - if (rc) - goto disable_regulator; - -+ if (hpriv->phy) { -+ rc = phy_init(hpriv->phy); -+ if (rc) -+ goto disable_clks; -+ -+ rc = phy_power_on(hpriv->phy); -+ if (rc) { -+ phy_exit(hpriv->phy); -+ goto disable_clks; -+ } -+ } -+ - return 0; - -+disable_clks: -+ ahci_platform_disable_clks(hpriv); -+ - disable_regulator: - if (hpriv->target_pwr) - regulator_disable(hpriv->target_pwr); -@@ -186,14 +204,20 @@ EXPORT_SYMBOL_GPL(ahci_platform_enable_r - * - * This function disables all ahci_platform managed resources in - * the following order: -- * 1) Clocks (through ahci_platform_disable_clks) -- * 2) Regulator -+ * 1) Phy -+ * 2) Clocks (through ahci_platform_disable_clks) -+ * 3) Regulator - * - * LOCKING: - * None. - */ - void ahci_platform_disable_resources(struct ahci_host_priv *hpriv) - { -+ if (hpriv->phy) { -+ phy_power_off(hpriv->phy); -+ phy_exit(hpriv->phy); -+ } -+ - ahci_platform_disable_clks(hpriv); - - if (hpriv->target_pwr) -@@ -206,6 +230,11 @@ static void ahci_platform_put_resources( - struct ahci_host_priv *hpriv = res; - int c; - -+ if (hpriv->got_runtime_pm) { -+ pm_runtime_put_sync(dev); -+ pm_runtime_disable(dev); -+ } -+ - for (c = 0; c < AHCI_MAX_CLKS && hpriv->clks[c]; c++) - clk_put(hpriv->clks[c]); - } -@@ -222,6 +251,7 @@ static void ahci_platform_put_resources( - * 2) regulator for controlling the targets power (optional) - * 3) 0 - AHCI_MAX_CLKS clocks, as specified in the devs devicetree node, - * or for non devicetree enabled platforms a single clock -+ * 4) phy (optional) - * - * LOCKING: - * None. -@@ -283,6 +313,29 @@ struct ahci_host_priv *ahci_platform_get - hpriv->clks[i] = clk; - } - -+ hpriv->phy = devm_phy_get(dev, "sata-phy"); -+ if (IS_ERR(hpriv->phy)) { -+ rc = PTR_ERR(hpriv->phy); -+ switch (rc) { -+ case -ENODEV: -+ case -ENOSYS: -+ /* continue normally */ -+ hpriv->phy = NULL; -+ break; -+ -+ case -EPROBE_DEFER: -+ goto err_out; -+ -+ default: -+ dev_err(dev, "couldn't get sata-phy\n"); -+ goto err_out; -+ } -+ } -+ -+ pm_runtime_enable(dev); -+ pm_runtime_get_sync(dev); -+ hpriv->got_runtime_pm = true; -+ - devres_remove_group(dev, NULL); - return hpriv; - -@@ -592,6 +645,11 @@ int ahci_platform_resume(struct device * - if (rc) - goto disable_resources; - -+ /* We resumed so update PM runtime state */ -+ pm_runtime_disable(dev); -+ pm_runtime_set_active(dev); -+ pm_runtime_enable(dev); -+ - return 0; - - disable_resources: -@@ -609,6 +667,7 @@ static const struct of_device_id ahci_of - { .compatible = "snps,spear-ahci", }, - { .compatible = "snps,exynos5440-ahci", }, - { .compatible = "ibm,476gtr-ahci", }, -+ { .compatible = "snps,dwc-ahci", }, - {}, - }; - MODULE_DEVICE_TABLE(of, ahci_of_match); ---- a/drivers/ata/ahci.h -+++ b/drivers/ata/ahci.h -@@ -37,6 +37,7 @@ - - #include <linux/clk.h> - #include <linux/libata.h> -+#include <linux/phy/phy.h> - #include <linux/regulator/consumer.h> - - /* Enclosure Management Control */ -@@ -324,8 +325,10 @@ struct ahci_host_priv { - u32 em_loc; /* enclosure management location */ - u32 em_buf_sz; /* EM buffer size in byte */ - u32 em_msg_type; /* EM message type */ -+ bool got_runtime_pm; /* Did we do pm_runtime_get? */ - struct clk *clks[AHCI_MAX_CLKS]; /* Optional */ - struct regulator *target_pwr; /* Optional */ -+ struct phy *phy; /* If platform uses phy */ - void *plat_data; /* Other platform data */ - /* - * Optional ahci_start_engine override, if not set this gets set to the ---- a/drivers/ata/ahci_sunxi.c -+++ b/drivers/ata/ahci_sunxi.c -@@ -90,7 +90,7 @@ static int ahci_sunxi_phy_init(struct de - - /* This magic is from the original code */ - writel(0, reg_base + AHCI_RWCR); -- mdelay(5); -+ msleep(5); - - sunxi_setbits(reg_base + AHCI_PHYCS1R, BIT(19)); - sunxi_clrsetbits(reg_base + AHCI_PHYCS0R, -@@ -105,7 +105,7 @@ static int ahci_sunxi_phy_init(struct de - (0x7 << 20), (0x3 << 20)); - sunxi_clrsetbits(reg_base + AHCI_PHYCS2R, - (0x1f << 5), (0x19 << 5)); -- mdelay(5); -+ msleep(5); - - sunxi_setbits(reg_base + AHCI_PHYCS0R, (0x1 << 19)); - -@@ -137,7 +137,7 @@ static int ahci_sunxi_phy_init(struct de - udelay(1); - } while (1); - -- mdelay(15); -+ msleep(15); - - writel(0x7, reg_base + AHCI_RWCR); - |