diff mbox series

[3/6] mmc: mediatek: fix cannot receive new request when msdc_cmd_is_ready fail

Message ID 1539415250-32337-4-git-send-email-chaotian.jing@mediatek.com (mailing list archive)
State New, archived
Headers show
Series [1/6] mmc: dt-bindings: add support for MT8183 SoC | expand

Commit Message

Chaotian Jing Oct. 13, 2018, 7:20 a.m. UTC 
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>
---
 drivers/mmc/host/mtk-sd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index ef45f1d..fe80a1d 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -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);