From: Haibo Chen Date: Tue, 22 Sep 2020 10:11:42 +0000 (+0800) Subject: mmc: do not send cmd13 if the parameter 'send_status' is 0 for __mmc_switch X-Git-Tag: v2025.01-rc5-pxa1908~2177^2~9 X-Git-Url: http://git.dujemihanovic.xyz/html/index.html?a=commitdiff_plain;h=ef5ab0d13a7a44469f6c765c8acc8d54c23213de;p=u-boot.git 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 --- diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 8502503d36..7783535d09 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -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