From: Wei WANG <wei_wang@xxxxxxxxxxxxxx> For Realtek card reader, internal regsiter SD_CFG2 should be configured before transferring data. In the prior version, the value of this register has been calculated, but forgotten to write back to the internal register. Signed-off-by: Wei WANG <wei_wang@xxxxxxxxxxxxxx> --- drivers/mmc/host/rtsx_pci_sdmmc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c index 0e934bf..067dd46 100644 --- a/drivers/mmc/host/rtsx_pci_sdmmc.c +++ b/drivers/mmc/host/rtsx_pci_sdmmc.c @@ -405,6 +405,7 @@ static int sd_rw_multi(struct realtek_pci_sdmmc *host, struct mmc_request *mrq) rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CFG2, 0xFF, cfg2); rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_TRANSFER, 0xFF, trans_mode | SD_TRANSFER_START); rtsx_pci_add_cmd(pcr, CHECK_REG_CMD, SD_TRANSFER, -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
