Hi
On 3/31/22 01:54, Sean Anderson wrote:
The send status command expects the status register to be returned as a response. Without writing data back, whatever is on the stack will be interpreted as the status register. There are a lot of fields in this register, but fortunately all zeros is interpreted as "we don't support anything."
Signed-off-by: Sean Anderson seanga2@gmail.com
Reviewed-by: Jaehoon Chung jh80.chung@samsung.com
Best Regards, Jaehoon Chung
drivers/mmc/sandbox_mmc.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/mmc/sandbox_mmc.c b/drivers/mmc/sandbox_mmc.c index 451fe4a4e5..35159451e1 100644 --- a/drivers/mmc/sandbox_mmc.c +++ b/drivers/mmc/sandbox_mmc.c @@ -57,6 +57,7 @@ static int sandbox_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, break; case MMC_CMD_SEND_STATUS: cmd->response[0] = MMC_STATUS_RDY_FOR_DATA;
memset(data->dest, '\0', data->blocks * data->blocksize);