diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2012-03-15 15:19:05 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-03-15 15:20:07 +0000 |
| commit | f4e2467bad53023589cbff18dd1ab6e0aa3f004c (patch) | |
| tree | 8d7abbf418eabd25bbcdc9b6de2f8216d2eaa616 /drivers/mmc/core/sdio.c | |
| parent | e3643b77de143c5548ec93abd8aa68f4123295ea (diff) | |
| parent | a6de3df4f172e124280d88e617ee7d29f7af970b (diff) | |
Merge branch 'ep93xx-for-arm-soc' of git://github.com/RyanMallon/linux-2.6 into next/cleanup
* 'ep93xx-for-arm-soc' of git://github.com/RyanMallon/linux-2.6:
ep93xx: Remove unnecessary includes of ep93xx-regs.h
ep93xx: Move EP93XX_SYSCON defines to SoC private header
ep93xx: Move crunch code to mach-ep93xx directory
ep93xx: Make syscon access functions private to SoC
ep93xx: Configure GPIO ports in core code
ep93xx: Move peripheral defines to local SoC header
ep93xx: Convert the watchdog driver into a platform device.
ep93xx: Use ioremap for backlight driver
ep93xx: Move GPIO defines to gpio-ep93xx.h
ep93xx: Don't use system controller defines in audio drivers
ep93xx: Move PHYS_BASE defines to local SoC header file
(update to v3.3-rc7)
Conflicts:
arch/arm/mach-s3c2440/common.h
Diffstat (limited to 'drivers/mmc/core/sdio.c')
| -rw-r--r-- | drivers/mmc/core/sdio.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 12cde6ee17f5..2c7c83f832d2 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -585,6 +585,9 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr, * Inform the card of the voltage */ if (!powered_resume) { + /* The initialization should be done at 3.3 V I/O voltage. */ + mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_330, 0); + err = mmc_send_io_op_cond(host, host->ocr, &ocr); if (err) goto err; @@ -996,6 +999,11 @@ static int mmc_sdio_power_restore(struct mmc_host *host) * With these steps taken, mmc_select_voltage() is also required to * restore the correct voltage setting of the card. */ + + /* The initialization should be done at 3.3 V I/O voltage. */ + if (!mmc_card_keep_power(host)) + mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_330, 0); + sdio_reset(host); mmc_go_idle(host); mmc_send_if_cond(host, host->ocr_avail); |