diff mbox series

[10/24] scsi: ufs: core: Only call ufshcd_should_inform_monitor() for SCSI commands

Message ID 20250403211937.2225615-11-bvanassche@acm.org
State New
Headers show
Series Optimize the hot path in the UFS driver | expand

Commit Message

Bart Van Assche April 3, 2025, 9:17 p.m. UTC 
ufshcd_should_inform_monitor() only returns 'true' for SCSI commands.
Instead of checking inside ufshcd_should_inform_monitor() whether its
second argument represents a SCSI command, only call this function for
SCSI commands. This patch prepares for removing the lrbp->cmd member.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/ufs/core/ufshcd.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 883551274330..f61ba94a8204 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -2235,12 +2235,13 @@  static inline int ufshcd_monitor_opcode2dir(u8 opcode)
 		return -EINVAL;
 }
 
+/* Must only be called for SCSI commands. */
 static inline bool ufshcd_should_inform_monitor(struct ufs_hba *hba,
 						struct ufshcd_lrb *lrbp)
 {
 	const struct ufs_hba_monitor *m = &hba->monitor;
 
-	return (m->enabled && lrbp && lrbp->cmd &&
+	return (m->enabled &&
 		(!m->chunk_size || m->chunk_size == lrbp->cmd->sdb.length) &&
 		ktime_before(hba->monitor.enabled_ts, lrbp->issue_time_stamp));
 }
@@ -2308,9 +2309,9 @@  static inline void ufshcd_send_command(struct ufs_hba *hba,
 	if (lrbp->cmd) {
 		ufshcd_add_command_trace(hba, lrbp->cmd, UFS_CMD_SEND);
 		ufshcd_clk_scaling_start_busy(hba);
+		if (unlikely(ufshcd_should_inform_monitor(hba, lrbp)))
+			ufshcd_start_monitor(hba, lrbp);
 	}
-	if (unlikely(ufshcd_should_inform_monitor(hba, lrbp)))
-		ufshcd_start_monitor(hba, lrbp);
 
 	if (hba->mcq_enabled) {
 		int utrd_size = sizeof(struct utp_transfer_req_desc);