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ASoC: fsl_sai: Add -EPROBE_DEFER check for regmap init

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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>
Link: https://lore.kernel.org/r/1598255887-1391-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Shengjiu Wang 2020-08-24 15:58:07 +08:00 committed by Mark Brown
parent 2ff6d5a108
commit c1e47e8919
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1 changed files with 1 additions and 1 deletions
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2
sound/soc/fsl/fsl_sai.c
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@ -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)) {