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Diffstat (limited to 'target/linux/sunxi/patches-3.13/163-ahci_sunxi-use-mdelay.patch')
-rw-r--r--target/linux/sunxi/patches-3.13/163-ahci_sunxi-use-mdelay.patch47
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/sunxi/patches-3.13/163-ahci_sunxi-use-mdelay.patch b/target/linux/sunxi/patches-3.13/163-ahci_sunxi-use-mdelay.patch
new file mode 100644
index 0000000..4be6c15
--- /dev/null
+++ b/target/linux/sunxi/patches-3.13/163-ahci_sunxi-use-mdelay.patch
@@ -0,0 +1,47 @@
+From 09de09bc2c236dccb0ed5ed38015e829550a5c28 Mon Sep 17 00:00:00 2001
+From: Hans de Goede <hdegoede@redhat.com>
+Date: Sun, 23 Feb 2014 11:37:17 +0100
+Subject: [PATCH] ahci_sunxi: Use msleep instead of mdelay
+
+ahci_sunxi_phy_init is called from the probe and resume code paths, and
+sleeping is safe in both, so use msleep instead of mdelay.
+
+Signed-off-by: Hans de Goede <hdegoede@redhat.com>
+---
+ drivers/ata/ahci_sunxi.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/ata/ahci_sunxi.c b/drivers/ata/ahci_sunxi.c
+index 001f7dfc..d1bf3f7 100644
+--- a/drivers/ata/ahci_sunxi.c
++++ b/drivers/ata/ahci_sunxi.c
+@@ -90,7 +90,7 @@ static int ahci_sunxi_phy_init(struct device *dev, void __iomem *reg_base)
+
+ /* 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 device *dev, void __iomem *reg_base)
+ (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 device *dev, void __iomem *reg_base)
+ udelay(1);
+ } while (1);
+
+- mdelay(15);
++ msleep(15);
+
+ writel(0x7, reg_base + AHCI_RWCR);
+
+--
+1.8.5.5
+