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| author | liucheng <liucheng@longcheer.net> | 2016-05-11 15:51:36 +0800 |
|---|---|---|
| committer | Ajay Dudani <adudani@google.com> | 2016-05-20 14:50:27 -0700 |
| commit | 70416bc1abc8d9d14309211762e98c7277fe626a (patch) | |
| tree | aff84a59dbc816eff1e9a5fb8a8ed61c0b271732 | |
| parent | f02befa8819264fc2a6f8593d2289f170e21dc09 (diff) | |
mmc: host: Add memory barrier to cmdq_prep_dcmd_desc operationandroid-lego-6.0.1_r0.4
Speculative fix for stability/black screen issue. Further root
cause analysis is in progress.
Change-Id: I3d346668d0b628994bbbcbc473c71a6e97a3f220
Signed-off-by: liucheng <liucheng@longcheer.net>
| -rw-r--r-- | drivers/mmc/host/cmdq_hci.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/host/cmdq_hci.c b/drivers/mmc/host/cmdq_hci.c index 6a0a6b0bbd2e..d4100834727f 100644 --- a/drivers/mmc/host/cmdq_hci.c +++ b/drivers/mmc/host/cmdq_hci.c @@ -591,7 +591,7 @@ static void cmdq_prep_dcmd_desc(struct mmc_host *mmc, mrq->cmd->opcode, timing, resp_type); dataddr = (__le64 __force *)(desc + 4); dataddr[0] = cpu_to_le64((u64)mrq->cmd->arg); - + mb(); } static int cmdq_request(struct mmc_host *mmc, struct mmc_request *mrq) |