brain-hackers_pepepper-mirror/u-boot-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/u-boot-brain synced 2024-06-09 23:36:03 +09:00
Code Issues Projects Releases Wiki Activity

mmc: do not send cmd13 if the parameter 'send_status' is 0 for __mmc_switch

Browse Source 
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>
This commit is contained in:
Haibo Chen 2020-09-22 18:11:42 +08:00 committed by Peng Fan
parent d3c610c623
commit ef5ab0d13a
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/mmc/mmc.c
View File

@ -805,8 +805,10 @@ static int __mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value,
* 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