mmc: do not send cmd13 if the parameter 'send_status' is 0 for __mmc_switch
According to the code logic in __mmc_switch, if the parameter 'send_status'
is zero, no need to send cmd13, just wait the stated timeout time, then
can return directly.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 8502503..7783535 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -805,8 +805,10 @@
* capable of polling by using mmc_wait_dat0, then rely on waiting the
* stated timeout to be sufficient.
*/
- if (ret == -ENOSYS && !send_status)
+ if (ret == -ENOSYS && !send_status) {
mdelay(timeout_ms);
+ return 0;
+ }
/* Finally wait until the card is ready or indicates a failure
* to switch. It doesn't hurt to use CMD13 here even if send_status