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Subject[PATCH V2 4/4] drivers: qcom: rpmh-rsc: remove redundant register access
Since drv->tcs_in_use is updated when the DRV_STATUS is updated, we
could simply use the former to determine if the TCS is idle or not.
Therefore, remove redundant TCS register read.

Signed-off-by: Lina Iyer <>
drivers/soc/qcom/rpmh-rsc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c
index add5e84751c9..b04cd2d2910c 100644
--- a/drivers/soc/qcom/rpmh-rsc.c
+++ b/drivers/soc/qcom/rpmh-rsc.c
@@ -93,8 +93,7 @@ static void write_tcs_reg_sync(struct rsc_drv *drv, int reg, int tcs_id,

static bool tcs_is_free(struct rsc_drv *drv, int tcs_id)
- return !test_bit(tcs_id, drv->tcs_in_use) &&
- read_tcs_reg(drv, RSC_DRV_STATUS, tcs_id, 0);
+ return !test_bit(tcs_id, drv->tcs_in_use);

static struct tcs_group *get_tcs_of_type(struct rsc_drv *drv, int type)
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
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