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-rw-r--r--target/linux/sunxi/patches-3.13/160-6-ahci-platform-support-optional-regulator.patch141
1 files changed, 0 insertions, 141 deletions
diff --git a/target/linux/sunxi/patches-3.13/160-6-ahci-platform-support-optional-regulator.patch b/target/linux/sunxi/patches-3.13/160-6-ahci-platform-support-optional-regulator.patch
deleted file mode 100644
index fad0a7fae2..0000000000
--- a/target/linux/sunxi/patches-3.13/160-6-ahci-platform-support-optional-regulator.patch
+++ /dev/null
@@ -1,141 +0,0 @@
-From ba6850946d9e1959be1b00f6ae06454546350c75 Mon Sep 17 00:00:00 2001
-From: Hans de Goede <hdegoede@redhat.com>
-Date: Fri, 17 Jan 2014 13:23:21 +0100
-Subject: [PATCH] ahci-platform: Add support for an optional regulator for
- sata-target power
-
-Signed-off-by: Hans de Goede <hdegoede@redhat.com>
----
- .../devicetree/bindings/ata/ahci-platform.txt | 1 +
- drivers/ata/ahci.h | 2 ++
- drivers/ata/ahci_platform.c | 36 ++++++++++++++++++++--
- 3 files changed, 37 insertions(+), 2 deletions(-)
-
-diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt
-index 3ced07d..1ac807f 100644
---- a/Documentation/devicetree/bindings/ata/ahci-platform.txt
-+++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt
-@@ -11,6 +11,7 @@ Required properties:
- Optional properties:
- - dma-coherent : Present if dma operations are coherent
- - clocks : a list of phandle + clock specifier pairs
-+- target-supply : regulator for SATA target power
-
- Example:
- sata@ffe08000 {
-diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
-index c12862b..bf8100c 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/regulator/consumer.h>
-
- /* Enclosure Management Control */
- #define EM_CTRL_MSG_TYPE 0x000f0000
-@@ -323,6 +324,7 @@ struct ahci_host_priv {
- u32 em_buf_sz; /* EM buffer size in byte */
- u32 em_msg_type; /* EM message type */
- struct clk *clks[AHCI_MAX_CLKS]; /* Optional */
-+ struct regulator *target_pwr; /* Optional */
- 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 609975d..907c076 100644
---- a/drivers/ata/ahci_platform.c
-+++ b/drivers/ata/ahci_platform.c
-@@ -192,6 +192,14 @@ static int ahci_probe(struct platform_device *pdev)
- return -ENOMEM;
- }
-
-+ hpriv->target_pwr = devm_regulator_get_optional(dev, "target");
-+ if (IS_ERR(hpriv->target_pwr)) {
-+ rc = PTR_ERR(hpriv->target_pwr);
-+ if (rc == -EPROBE_DEFER)
-+ return -EPROBE_DEFER;
-+ hpriv->target_pwr = NULL;
-+ }
-+
- for (i = 0; i < AHCI_MAX_CLKS; i++) {
- /*
- * For now we must use clk_get(dev, NULL) for the first clock,
-@@ -213,9 +221,15 @@ static int ahci_probe(struct platform_device *pdev)
- hpriv->clks[i] = clk;
- }
-
-+ if (hpriv->target_pwr) {
-+ rc = regulator_enable(hpriv->target_pwr);
-+ if (rc)
-+ goto free_clk;
-+ }
-+
- rc = ahci_enable_clks(dev, hpriv);
- if (rc)
-- goto free_clk;
-+ goto disable_regulator;
-
- /*
- * Some platforms might need to prepare for mmio region access,
-@@ -298,6 +312,9 @@ static int ahci_probe(struct platform_device *pdev)
- pdata->exit(dev);
- disable_unprepare_clk:
- ahci_disable_clks(hpriv);
-+disable_regulator:
-+ if (hpriv->target_pwr)
-+ regulator_disable(hpriv->target_pwr);
- free_clk:
- ahci_put_clks(hpriv);
- return rc;
-@@ -314,6 +331,9 @@ static void ahci_host_stop(struct ata_host *host)
-
- ahci_disable_clks(hpriv);
- ahci_put_clks(hpriv);
-+
-+ if (hpriv->target_pwr)
-+ regulator_disable(hpriv->target_pwr);
- }
-
- #ifdef CONFIG_PM_SLEEP
-@@ -350,6 +370,9 @@ static int ahci_suspend(struct device *dev)
-
- ahci_disable_clks(hpriv);
-
-+ if (hpriv->target_pwr)
-+ regulator_disable(hpriv->target_pwr);
-+
- return 0;
- }
-
-@@ -360,9 +383,15 @@ static int ahci_resume(struct device *dev)
- struct ahci_host_priv *hpriv = host->private_data;
- int rc;
-
-+ if (hpriv->target_pwr) {
-+ rc = regulator_enable(hpriv->target_pwr);
-+ if (rc)
-+ return rc;
-+ }
-+
- rc = ahci_enable_clks(dev, hpriv);
- if (rc)
-- return rc;
-+ goto disable_regulator;
-
- if (pdata && pdata->resume) {
- rc = pdata->resume(dev);
-@@ -384,6 +413,9 @@ static int ahci_resume(struct device *dev)
-
- disable_unprepare_clk:
- ahci_disable_clks(hpriv);
-+disable_regulator:
-+ if (hpriv->target_pwr)
-+ regulator_disable(hpriv->target_pwr);
-
- return rc;
- }
---
-1.8.5.5
-