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Diffstat (limited to 'extras/recipes-kernel/linux/linux-omap-psp-2.6.32/0025-ARM-OMAP2-mmc-twl4030-move-clock-input-selection-pri.patch')
-rw-r--r--extras/recipes-kernel/linux/linux-omap-psp-2.6.32/0025-ARM-OMAP2-mmc-twl4030-move-clock-input-selection-pri.patch47
1 files changed, 47 insertions, 0 deletions
diff --git a/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/0025-ARM-OMAP2-mmc-twl4030-move-clock-input-selection-pri.patch b/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/0025-ARM-OMAP2-mmc-twl4030-move-clock-input-selection-pri.patch
new file mode 100644
index 00000000..78666fb4
--- /dev/null
+++ b/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/0025-ARM-OMAP2-mmc-twl4030-move-clock-input-selection-pri.patch
@@ -0,0 +1,47 @@
+From 297f577635fe0182e596112c33b213fd22b4efa7 Mon Sep 17 00:00:00 2001
+From: Steve Sakoman <steve@sakoman.com>
+Date: Sun, 24 Jan 2010 09:33:56 -0800
+Subject: [PATCH 25/45] ARM: OMAP2: mmc-twl4030: move clock input selection prior to vcc test
+
+otherwise it is not executed on systems that use non-twl regulators
+---
+ arch/arm/mach-omap2/mmc-twl4030.c | 16 ++++++++--------
+ 1 files changed, 8 insertions(+), 8 deletions(-)
+
+diff --git a/arch/arm/mach-omap2/mmc-twl4030.c b/arch/arm/mach-omap2/mmc-twl4030.c
+index 0c3c72d..dbdafb9 100644
+--- a/arch/arm/mach-omap2/mmc-twl4030.c
++++ b/arch/arm/mach-omap2/mmc-twl4030.c
+@@ -302,6 +302,14 @@ static int twl_mmc23_set_power(struct device *dev, int slot, int power_on, int v
+ if (c == NULL)
+ return -ENODEV;
+
++ if (mmc->slots[0].internal_clock) {
++ u32 reg;
++
++ reg = omap_ctrl_readl(control_devconf1_offset);
++ reg |= OMAP2_MMCSDIO2ADPCLKISEL;
++ omap_ctrl_writel(reg, control_devconf1_offset);
++ }
++
+ /* If we don't see a Vcc regulator, assume it's a fixed
+ * voltage always-on regulator.
+ */
+@@ -322,14 +330,6 @@ static int twl_mmc23_set_power(struct device *dev, int slot, int power_on, int v
+ * chips/cards need an interface voltage rail too.
+ */
+ if (power_on) {
+- /* only MMC2 supports a CLKIN */
+- if (mmc->slots[0].internal_clock) {
+- u32 reg;
+-
+- reg = omap_ctrl_readl(control_devconf1_offset);
+- reg |= OMAP2_MMCSDIO2ADPCLKISEL;
+- omap_ctrl_writel(reg, control_devconf1_offset);
+- }
+ ret = mmc_regulator_set_ocr(c->vcc, vdd);
+ /* enable interface voltage rail, if needed */
+ if (ret == 0 && c->vcc_aux) {
+--
+1.6.6.1
+