Hi,
The PRCM (0x490022E8)register was overwritten by the MMC code which made the
other peripherals like USB etc to stop working.
The following patch fixes the modification of PRCM register by the MMC
code .
This patch is tested here on the OMAP2430 SDP board.
Following is the Patch against the latest GIT Sources of Linux-omap:
---
arch/arm/mach-omap2/board-sdp-hsmmc.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-omap2/board-sdp-hsmmc.c
b/arch/arm/mach-omap2/board-sdp-hsmmc.c
index 4bf8165..90e8def 100644
--- a/arch/arm/mach-omap2/board-sdp-hsmmc.c
+++ b/arch/arm/mach-omap2/board-sdp-hsmmc.c
@@ -176,7 +176,7 @@ static int sdp_mmc_set_power(struct device *dev, int slot,
int power_on,
case MMC_VDD_32_33:
vdd_sel = VSEL_3V;
if (cpu_is_omap24xx())
- devconf = (reg | (1 << 31));
+ devconf = (devconf | (1 << 31));
break;
case MMC_VDD_165_195:
vdd_sel = VSEL_18V;
--
1.5.3.7
Signed-off-by: Arun K.S <arunks@xxxxxxxxxxxxxxxxxxxx>
Thanks and Regards
Arun KS
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