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[RESEND] ASoC: fsl_sai: Add -EPROBE_DEFER check for regmap init

Message ID 1598255887-1391-1-git-send-email-shengjiu.wang@nxp.com
State Superseded
Headers show
Series [RESEND] ASoC: fsl_sai: Add -EPROBE_DEFER check for regmap init | expand

Commit Message

Shengjiu Wang Aug. 24, 2020, 7:58 a.m. UTC 
Regmap initialization may return -EPROBE_DEFER for clock
may not be ready, so check -EPROBE_DEFER error type before
start another Regmap initialization.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
---
 sound/soc/fsl/fsl_sai.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index f6969a5d49e3..62c5fdb678fc 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -959,7 +959,7 @@  static int fsl_sai_probe(struct platform_device *pdev)
 			"bus", base, &fsl_sai_regmap_config);
 
 	/* Compatible with old DTB cases */
-	if (IS_ERR(sai->regmap))
+	if (IS_ERR(sai->regmap) && PTR_ERR(sai->regmap) != -EPROBE_DEFER)
 		sai->regmap = devm_regmap_init_mmio_clk(&pdev->dev,
 				"sai", base, &fsl_sai_regmap_config);
 	if (IS_ERR(sai->regmap)) {