[PATCH] ASoC: stm32: sai: Use of_device_get_match_data() to simplify code

Tang Bin tangbin at cmss.chinamobile.com
Thu May 19 14:42:35 CEST 2022


Retrieve of match data, it's better and cleaner to use
'of_device_get_match_data' over 'of_match_device'.

Signed-off-by: Tang Bin <tangbin at cmss.chinamobile.com>
---
 sound/soc/stm/stm32_sai_sub.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c
index dd636af81..d300605a2 100644
--- a/sound/soc/stm/stm32_sai_sub.c
+++ b/sound/soc/stm/stm32_sai_sub.c
@@ -1500,7 +1500,6 @@ static int stm32_sai_sub_parse_of(struct platform_device *pdev,
 static int stm32_sai_sub_probe(struct platform_device *pdev)
 {
 	struct stm32_sai_sub_data *sai;
-	const struct of_device_id *of_id;
 	const struct snd_dmaengine_pcm_config *conf = &stm32_sai_pcm_config;
 	int ret;
 
@@ -1508,10 +1507,9 @@ static int stm32_sai_sub_probe(struct platform_device *pdev)
 	if (!sai)
 		return -ENOMEM;
 
-	of_id = of_match_device(stm32_sai_sub_ids, &pdev->dev);
-	if (!of_id)
+	sai->id = (uintptr_t)of_device_get_match_data(&pdev->dev);
+	if (!sai->id)
 		return -EINVAL;
-	sai->id = (uintptr_t)of_id->data;
 
 	sai->pdev = pdev;
 	mutex_init(&sai->ctrl_lock);
-- 
2.20.1.windows.1





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