SD_CLK_EN          63 drivers/staging/rts5208/rtsx_card.h #define SD_CLK_EN		0x04
SD_CLK_EN         431 include/linux/rtsx_pci.h #define   SD_CLK_EN			0x04
SD_CLK_EN         377 include/linux/rtsx_usb.h #define SD_CLK_EN			0x04