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authorChaotian Jing <chaotian.jing@mediatek.com>2018-10-13 15:20:47 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-11-28 18:28:21 +0100
commit8fe3143ff59c6cd59f380fc59e2f691c02422e27 (patch)
tree25193ff708fe0b17991f65493afb8c92f7446554 /drivers/mmc
parent374de00321ce9a2966f76bc3462fd59e1ef50cc8 (diff)
mmc: mediatek: fix cannot receive new request when msdc_cmd_is_ready fail
[ Upstream commit f38a9774ddde9d79b3487dd888edd8b8623552af ] 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> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/mtk-sd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 6f9535e5e584..7fc6ce381142 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -870,6 +870,7 @@ 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;
@@ -881,7 +882,6 @@ 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);