Create scmi_dec_count function to decrease any of the Arm SCMI
debug counters

Signed-off-by: Philip Radford <philip.radford@arm.com>
---
 drivers/firmware/arm_scmi/common.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h
index dab758c5fdea..c6495c4a0e8a 100644
--- a/drivers/firmware/arm_scmi/common.h
+++ b/drivers/firmware/arm_scmi/common.h
@@ -314,6 +314,12 @@ static inline void scmi_inc_count(atomic_t *arr, int stat)
 		atomic_inc(&arr[stat]);
 }
 
+static inline void scmi_dec_count(atomic_t *arr, int stat)
+{
+	if (IS_ENABLED(CONFIG_ARM_SCMI_DEBUG_COUNTERS))
+		atomic_dec(&arr[stat]);
+}
+
 enum scmi_bad_msg {
 	MSG_UNEXPECTED = -1,
 	MSG_INVALID = -2,
-- 
2.25.1

On Thu, Jun 19, 2025 at 12:20:01PM +0000, Philip Radford wrote:
> Create scmi_dec_count function to decrease any of the Arm SCMI
> debug counters
> 

I agree on Dan's comment, other than that, LGTM.

Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>

Thanks,
Cristian

On Thu, Jun 19, 2025 at 12:20:01PM +0000, Philip Radford wrote:
> Create scmi_dec_count function to decrease any of the Arm SCMI
> debug counters
> 

Please mention that "There is already a scmi_inc_count() function but no
decrement function."  Otherwise everyone will have to look it up to
verify that it exists.  Please put a period on the end of your sentences.

regards,
dan carpenter