UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

mmc: mediatek: fix cannot receive new request when msdc_cmd_is_ready fail 

when msdc_cmd_is_ready return fail, the req_timeout work has not been
inited and cancel_delayed_work() will return false, then, the request
return directly and never call mmc_request_done().

so need call mod_delayed_work() before msdc_cmd_is_ready()

Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Chaotian Jing 2018-10-13 15:20:47 +08:00 committed by Ulf Hansson
parent 56f6cbbed0
commit f38a9774dd
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/mmc/host/mtk-sd.c
View File

@ -1059,6 +1059,7 @@ static void msdc_start_command(struct msdc_host *host,
WARN_ON(host->cmd);
host->cmd = cmd;
mod_delayed_work(system_wq, &host->req_timeout, DAT_TIMEOUT);
if (!msdc_cmd_is_ready(host, mrq, cmd))
return;
@ -1070,7 +1071,6 @@ static void msdc_start_command(struct msdc_host *host,
cmd->error = 0;
rawcmd = msdc_cmd_prepare_raw_cmd(host, mrq, cmd);
mod_delayed_work(system_wq, &host->req_timeout, DAT_TIMEOUT);
sdr_set_bits(host->base + MSDC_INTEN, cmd_ints_mask);
writel(cmd->arg, host->base + SDC_ARG);