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mmc: rtsx: remove driving adjustment

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Several new models of readers use different way to select driving
capability (a necessary adjustment along with voltage change). Removing
this from device-independent rtsx_pci_sdmmc module. It will be implemented
in device-depend calls encapsulated by rtsx_pci_switch_output_voltage().

Signed-off-by: Roger Tseng <rogerable@realtek.com>
Reviewed-by: Wei WANG <wei_wang@realsil.com.cn>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Roger Tseng 2013-02-04 15:45:57 +08:00 committed by Chris Ball
parent 5f56a8e6ef
commit ac48653cec
1 changed files with 0 additions and 5 deletions
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drivers/mmc/host/rtsx_pci_sdmmc.c
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@ -1083,11 +1083,6 @@ static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios)
voltage = OUTPUT_1V8;
if (voltage == OUTPUT_1V8) {
err = rtsx_pci_write_register(pcr,
SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_B);
if (err < 0)
goto out;
err = sd_wait_voltage_stable_1(host);
if (err < 0)
goto out;