diff mbox series

[2/2] soundwire: qcom: move sconfig in qcom_swrm_stream_alloc_ports() out of critical section

Message ID 20231120190740.339350-2-krzysztof.kozlowski@linaro.org
State Accepted
Commit 5bdc61ef45007908df9d8587111c7a5a552bdd46
Headers show
Series None | expand

Commit Message

Krzysztof Kozlowski Nov. 20, 2023, 7:07 p.m. UTC 
Setting members of local variable "sconfig" in
qcom_swrm_stream_alloc_ports() does not depend on any earlier code in
this function, so can be moved up before the critical section.  This
makes the code a bit easier to follow because critical section is
smaller.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/soundwire/qcom.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

Comments

Konrad Dybcio Nov. 22, 2023, 7:58 p.m. UTC | #1 
On 11/20/23 20:07, Krzysztof Kozlowski wrote:
> Setting members of local variable "sconfig" in
> qcom_swrm_stream_alloc_ports() does not depend on any earlier code in
> this function, so can be moved up before the critical section.  This
> makes the code a bit easier to follow because critical section is
> smaller.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
diff mbox series

Patch

diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index 754870a4a047..e9a52c1bd359 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -1160,6 +1160,17 @@  static int qcom_swrm_stream_alloc_ports(struct qcom_swrm_ctrl *ctrl,
 	int maxport, pn, nports = 0, ret = 0;
 	unsigned int m_port;
 
+	if (direction == SNDRV_PCM_STREAM_CAPTURE)
+		sconfig.direction = SDW_DATA_DIR_TX;
+	else
+		sconfig.direction = SDW_DATA_DIR_RX;
+
+	/* hw parameters wil be ignored as we only support PDM */
+	sconfig.ch_count = 1;
+	sconfig.frame_rate = params_rate(params);
+	sconfig.type = stream->type;
+	sconfig.bps = 1;
+
 	mutex_lock(&ctrl->port_lock);
 	list_for_each_entry(m_rt, &stream->master_list, stream_node) {
 		if (m_rt->direction == SDW_DATA_DIR_RX) {
@@ -1193,16 +1204,6 @@  static int qcom_swrm_stream_alloc_ports(struct qcom_swrm_ctrl *ctrl,
 		}
 	}
 
-	if (direction == SNDRV_PCM_STREAM_CAPTURE)
-		sconfig.direction = SDW_DATA_DIR_TX;
-	else
-		sconfig.direction = SDW_DATA_DIR_RX;
-
-	/* hw parameters wil be ignored as we only support PDM */
-	sconfig.ch_count = 1;
-	sconfig.frame_rate = params_rate(params);
-	sconfig.type = stream->type;
-	sconfig.bps = 1;
 	sdw_stream_add_master(&ctrl->bus, &sconfig, pconfig,
 			      nports, stream);
 out: