From: Shengjiu Wang <shengjiu.wang@nxp.com>
To: timur@kernel.org, nicoleotsuka@gmail.com, Xiubo.Lee@gmail.com,
festevam@gmail.com, lgirdwood@gmail.com, broonie@kernel.org,
perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: [PATCH] ASoC: fsl_sai: Add -EPROBE_DEFER check for regmap init
Date: Fri, 7 Aug 2020 17:14:42 +0800 [thread overview]
Message-ID: <1596791682-4311-1-git-send-email-shengjiu.wang@nxp.com> (raw)
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>
---
sound/soc/fsl/fsl_sai.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index a22562f2df47..eb933fe9b6d1 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -927,7 +927,7 @@ 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)) {
--
2.27.0
next reply other threads:[~2020-08-07 9:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-07 9:14 Shengjiu Wang [this message]
2020-08-10 8:00 ` [PATCH] ASoC: fsl_sai: Add -EPROBE_DEFER check for regmap init Nicolin Chen
2020-08-10 8:53 ` Shengjiu Wang
2020-08-10 23:11 ` Nicolin Chen
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