linux-kernel - [PATCH v2 1/5] ASoC: stm32: properly get clk from the provider

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Date:   Wed, 21 Apr 2021 14:05:08 +0200
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Jerome Brunet <jbrunet@...libre.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, Stephen Boyd <sboyd@...nel.org>
Subject: [PATCH v2 1/5] ASoC: stm32: properly get clk from the provider

Instead of using the clk embedded in the clk_hw (which is meant to go
away), a clock provider which need to interact with its own clock should
request clk reference through the clock provider API.

Reviewed-by: Stephen Boyd <sboyd@...nel.org>
Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
---
 sound/soc/stm/stm32_sai_sub.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c
index 3aa1cf262402..c1561237ee24 100644
--- a/sound/soc/stm/stm32_sai_sub.c
+++ b/sound/soc/stm/stm32_sai_sub.c
@@ -484,7 +484,10 @@ static int stm32_sai_add_mclk_provider(struct stm32_sai_sub_data *sai)
 		dev_err(dev, "mclk register returned %d\n", ret);
 		return ret;
 	}
-	sai->sai_mclk = hw->clk;
+
+	sai->sai_mclk = devm_clk_hw_get_clk(dev, hw, NULL);
+	if (IS_ERR(sai->sai_mclk))
+		return PTR_ERR(sai->sai_mclk);
 
 	/* register mclk provider */
 	return devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, hw);
-- 
2.31.1