diff options
Diffstat (limited to 'recipes/linux/linux-omap-psp-2.6.32/0025-ARM-OMAP2-mmc-twl4030-move-clock-input-selection-pri.patch')
| -rw-r--r-- | recipes/linux/linux-omap-psp-2.6.32/0025-ARM-OMAP2-mmc-twl4030-move-clock-input-selection-pri.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-psp-2.6.32/0025-ARM-OMAP2-mmc-twl4030-move-clock-input-selection-pri.patch b/recipes/linux/linux-omap-psp-2.6.32/0025-ARM-OMAP2-mmc-twl4030-move-clock-input-selection-pri.patch new file mode 100644 index 0000000000..2272cb3312 --- /dev/null +++ b/recipes/linux/linux-omap-psp-2.6.32/0025-ARM-OMAP2-mmc-twl4030-move-clock-input-selection-pri.patch @@ -0,0 +1,47 @@ +From f715b7b9f49e4a65ba5370cb36ce6f2c7830d1bc Mon Sep 17 00:00:00 2001 +From: Steve Sakoman <steve@sakoman.com> +Date: Sun, 24 Jan 2010 09:33:56 -0800 +Subject: [PATCH 25/43] 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 + |