Commit e89715a7 authored Dec 09, 2011 by Abhilash K V Committed by Tony Lindgren Dec 09, 2011

ARM: OMAP: hsmmc: Support for AM3517 MMC1 voltages



This patch fixes the following error message which appears
while intializing MMC1 on the AM3517 EVM base-board:
    mmc0: host doesn't support card's voltages
    mmc0: error -22 whilst initialising SD card
The ocr_mask, which enumerates the volatges supported by the
MMC card was not being indicated before, assuming that a separate
Vcc regulator maybe another controllable regulator driver would be
doing this. This patch statically specifies a subset of the voltages
supported by the MMC driver, which are provided by the current fixed
voltage regulator on AM3517 EVM.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Abhilash K V <abhilash.kv@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

parent a15164f1

arch/arm/mach-omap2/hsmmc.c

+9 −1

Original line number	Diff line number	Diff line
		@@ -353,6 +353,14 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
		*
		* temporary HACK: ocr_mask instead of fixed supply
		*/
		if (cpu_is_omap3505() \|\| cpu_is_omap3517())
		mmc->slots[0].ocr_mask = MMC_VDD_165_195 \|
		MMC_VDD_26_27 \|
		MMC_VDD_27_28 \|
		MMC_VDD_29_30 \|
		MMC_VDD_30_31 \|
		MMC_VDD_31_32;
		else
		mmc->slots[0].ocr_mask = c->ocr_mask;

		if (!cpu_is_omap3517() && !cpu_is_omap3505())