diff mbox series

[v9,01/13] coresight-tpdm: Remove the unnecessary lock

Message ID 1694670204-11515-2-git-send-email-quic_taozha@quicinc.com (mailing list archive)
State New, archived
Headers show
Series Add support to configure TPDM DSB subunit | expand

Commit Message

Tao Zhang Sept. 14, 2023, 5:43 a.m. UTC 
Remove the unnecessary lock "CS_{UN,}LOCK" in TPDM driver. This
lock is only needed while writing the data to Coresight registers.

Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
---
 drivers/hwtracing/coresight/coresight-tpdm.c | 2 --
 1 file changed, 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c
index f4854af..b645612 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.c
+++ b/drivers/hwtracing/coresight/coresight-tpdm.c
@@ -114,11 +114,9 @@  static void tpdm_init_default_data(struct tpdm_drvdata *drvdata)
 {
 	u32 pidr;
 
-	CS_UNLOCK(drvdata->base);
 	/*  Get the datasets present on the TPDM. */
 	pidr = readl_relaxed(drvdata->base + CORESIGHT_PERIPHIDR0);
 	drvdata->datasets |= pidr & GENMASK(TPDM_DATASETS - 1, 0);
-	CS_LOCK(drvdata->base);
 }
 
 /*