UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

ASoC: sun8i-codec: Attach the bus clock to the regmap 

When attached to the regmap, the bus clock is automatically enabled as
needed to access device registers. This avoids needing code to manage it
separately in the driver.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20200831034852.18841-9-samuel@sholland.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Samuel Holland 2020-08-30 22:48:51 -05:00 committed by Mark Brown
parent f30ef55c33
commit efb736fb9e
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
sound/soc/sunxi/sun8i-codec.c
View File

@ -94,7 +94,6 @@ struct sun8i_codec_quirks {
struct sun8i_codec {
struct regmap *regmap;
struct clk *clk_module;
struct clk *clk_bus;
const struct sun8i_codec_quirks *quirks;
};
@ -109,12 +108,6 @@ static int sun8i_codec_runtime_resume(struct device *dev)
return ret;
}
ret = clk_prepare_enable(scodec->clk_bus);
if (ret) {
dev_err(dev, "Failed to enable the bus clock\n");
goto err_disable_modclk;
}
regcache_cache_only(scodec->regmap, false);
ret = regcache_sync(scodec->regmap);
@ -126,9 +119,6 @@ static int sun8i_codec_runtime_resume(struct device *dev)
return 0;
err_disable_clk:
clk_disable_unprepare(scodec->clk_bus);
err_disable_modclk:
clk_disable_unprepare(scodec->clk_module);
return ret;
@ -142,7 +132,6 @@ static int sun8i_codec_runtime_suspend(struct device *dev)
regcache_mark_dirty(scodec->regmap);
clk_disable_unprepare(scodec->clk_module);
clk_disable_unprepare(scodec->clk_bus);
return 0;
}
@ -612,19 +601,13 @@ static int sun8i_codec_probe(struct platform_device *pdev)
return PTR_ERR(scodec->clk_module);
}
scodec->clk_bus = devm_clk_get(&pdev->dev, "bus");
if (IS_ERR(scodec->clk_bus)) {
dev_err(&pdev->dev, "Failed to get the bus clock\n");
return PTR_ERR(scodec->clk_bus);
}
base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(base)) {
dev_err(&pdev->dev, "Failed to map the registers\n");
return PTR_ERR(base);
}
scodec->regmap = devm_regmap_init_mmio(&pdev->dev, base,
scodec->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "bus", base,
&sun8i_codec_regmap_config);
if (IS_ERR(scodec->regmap)) {
dev_err(&pdev->dev, "Failed to create our regmap\n");