[PATCH 1/3] MMC: rtsx: remove driving adjustment
Roger Tseng
rogerable at realtek.com
Mon Feb 4 07:45:57 UTC 2013
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 at realtek.com>
Reviewed-by: Wei WANG <wei_wang at realsil.com.cn>
---
drivers/mmc/host/rtsx_pci_sdmmc.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index f74b5ad..f93f100 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -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;
--
1.7.12.1
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