diff options
Diffstat (limited to 'target/linux/sunxi/patches-3.13/162-2-ahci-plat-manage-sata-phy.patch')
| -rw-r--r-- | target/linux/sunxi/patches-3.13/162-2-ahci-plat-manage-sata-phy.patch | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/target/linux/sunxi/patches-3.13/162-2-ahci-plat-manage-sata-phy.patch b/target/linux/sunxi/patches-3.13/162-2-ahci-plat-manage-sata-phy.patch deleted file mode 100644 index 1ab704b..0000000 --- a/target/linux/sunxi/patches-3.13/162-2-ahci-plat-manage-sata-phy.patch +++ /dev/null @@ -1,142 +0,0 @@ -From 154a670a945c54300749d5ba008f30bbd6089017 Mon Sep 17 00:00:00 2001 -From: Roger Quadros <rogerq@ti.com> -Date: Mon, 27 Jan 2014 16:41:18 +0200 -Subject: [PATCH] ata: ahci_platform: Manage SATA PHY - -Some platforms have a PHY hooked up to the -SATA controller. The PHY needs to be initialized -and powered up for SATA to work. We do that -using the PHY framework. - -CC: Balaji T K <balajitk@ti.com> -Signed-off-by: Roger Quadros <rogerq@ti.com> -Signed-off-by: Hans de Goede <hdegoede@redhat.com> ---- - drivers/ata/ahci.h | 2 ++ - drivers/ata/ahci_platform.c | 47 +++++++++++++++++++++++++++++++++++++++++++-- - 2 files changed, 47 insertions(+), 2 deletions(-) - -diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h -index bf8100c..3ab7ac9 100644 ---- 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 */ -@@ -325,6 +326,7 @@ struct ahci_host_priv { - u32 em_msg_type; /* EM message type */ - 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 -diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c -index d7e55ba..99d38c1 100644 ---- a/drivers/ata/ahci_platform.c -+++ b/drivers/ata/ahci_platform.c -@@ -23,6 +23,7 @@ - #include <linux/platform_device.h> - #include <linux/libata.h> - #include <linux/ahci_platform.h> -+#include <linux/phy/phy.h> - #include "ahci.h" - - static void ahci_host_stop(struct ata_host *host); -@@ -147,6 +148,7 @@ void ahci_platform_disable_clks(struct ahci_host_priv *hpriv) - * 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 +173,23 @@ int ahci_platform_enable_resources(struct ahci_host_priv *hpriv) - 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 +203,20 @@ int ahci_platform_enable_resources(struct ahci_host_priv *hpriv) - * - * 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) -@@ -222,6 +245,7 @@ static void ahci_platform_put_resources(struct device *dev, void *res) - * 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 +307,25 @@ struct ahci_host_priv *ahci_platform_get_resources( - 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; -+ } -+ } -+ - devres_remove_group(dev, NULL); - return hpriv; - --- -1.8.5.5 - |