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FROMLIST: scsi: ufs: add missing host_lock in setup_xfer_req

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This patch adds a host_lock which existed before on ufshcd_vops_setup_xfer_req.

Bug: 190637035
Cc: Stanley Chu <stanley.chu@mediatek.com>
Cc: Can Guo <cang@codeaurora.org>
Cc: Bean Huo <beanhuo@micron.com>
Cc: Bart Van Assche <bvanassche@acm.org>
Cc: Asutosh Das <asutoshd@codeaurora.org>
Link: https://lore.kernel.org/linux-scsi/20210701005117.3846179-1-jaegeuk@kernel.org/T/#u
Fixes: 7613068f95 ("BACKPORT: FROMGIT: scsi: ufs: Optimize host lock on transfer requests send/compl paths")
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
Change-Id: I0e5f9ec11fa62a074bca5feb5638e8d04cf858ee
This commit is contained in:
Jaegeuk Kim
2021-06-30 17:45:34 -07:00
committed by Jaegeuk Kim
parent e0288fd779
commit 72fa98b514
1 changed files with 7 additions and 2 deletions
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9
drivers/scsi/ufs/ufshcd.h
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@@ -1235,8 +1235,13 @@ static inline int ufshcd_vops_pwr_change_notify(struct ufs_hba *hba,
static inline void ufshcd_vops_setup_xfer_req(struct ufs_hba *hba, int tag, static inline void ufshcd_vops_setup_xfer_req(struct ufs_hba *hba, int tag,
bool is_scsi_cmd) bool is_scsi_cmd)
{ {
if (hba->vops && hba->vops->setup_xfer_req) if (hba->vops && hba->vops->setup_xfer_req) {
return hba->vops->setup_xfer_req(hba, tag, is_scsi_cmd); unsigned long flags;
spin_lock_irqsave(hba->host->host_lock, flags);
hba->vops->setup_xfer_req(hba, tag, is_scsi_cmd);
spin_unlock_irqrestore(hba->host->host_lock, flags);
}
} }
static inline void ufshcd_vops_setup_task_mgmt(struct ufs_hba *hba, static inline void ufshcd_vops_setup_task_mgmt(struct ufs_hba *hba,