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clk: samsung: exynos-audss: Use local variable for controller's device 

Store pointer to the controller's device in local variable to avoid
extracting it from platform device in each call. This will also simplify
code in the future, when runtime PM support is added.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/1503302703-13801-5-git-send-email-m.szyprowski@samsung.com
This commit is contained in:
Marek Szyprowski 2017-08-21 10:05:02 +02:00 committed by Michael Turquette
parent 523d3de41f
commit 232d7e4792
1 changed files with 13 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/clk/samsung/clk-exynos-audss.c
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@ -135,6 +135,7 @@ static int exynos_audss_clk_probe(struct platform_device *pdev)
const struct exynos_audss_clk_drvdata *variant;
struct clk_hw **clk_table;
struct resource *res;
struct device *dev = &pdev->dev;
int i, ret = 0;
variant = of_device_get_match_data(&pdev->dev);
@ -142,15 +143,15 @@ static int exynos_audss_clk_probe(struct platform_device *pdev)
return -EINVAL;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
reg_base = devm_ioremap_resource(&pdev->dev, res);
reg_base = devm_ioremap_resource(dev, res);
if (IS_ERR(reg_base)) {
dev_err(&pdev->dev, "failed to map audss registers\n");
dev_err(dev, "failed to map audss registers\n");
return PTR_ERR(reg_base);
}
epll = ERR_PTR(-ENODEV);
clk_data = devm_kzalloc(&pdev->dev,
clk_data = devm_kzalloc(dev,
sizeof(*clk_data) +
sizeof(*clk_data->hws) * EXYNOS_AUDSS_MAX_CLKS,
GFP_KERNEL);
@ -160,8 +161,8 @@ static int exynos_audss_clk_probe(struct platform_device *pdev)
clk_data->num = variant->num_clks;
clk_table = clk_data->hws;
pll_ref = devm_clk_get(&pdev->dev, "pll_ref");
pll_in = devm_clk_get(&pdev->dev, "pll_in");
pll_ref = devm_clk_get(dev, "pll_ref");
pll_in = devm_clk_get(dev, "pll_in");
if (!IS_ERR(pll_ref))
mout_audss_p[0] = __clk_get_name(pll_ref);
if (!IS_ERR(pll_in)) {
@ -172,7 +173,7 @@ static int exynos_audss_clk_probe(struct platform_device *pdev)
ret = clk_prepare_enable(epll);
if (ret) {
dev_err(&pdev->dev,
dev_err(dev,
"failed to prepare the epll clock\n");
return ret;
}
@ -183,8 +184,8 @@ static int exynos_audss_clk_probe(struct platform_device *pdev)
CLK_SET_RATE_NO_REPARENT,
reg_base + ASS_CLK_SRC, 0, 1, 0, &lock);
cdclk = devm_clk_get(&pdev->dev, "cdclk");
sclk_audio = devm_clk_get(&pdev->dev, "sclk_audio");
cdclk = devm_clk_get(dev, "cdclk");
sclk_audio = devm_clk_get(dev, "sclk_audio");
if (!IS_ERR(cdclk))
mout_i2s_p[1] = __clk_get_name(cdclk);
if (!IS_ERR(sclk_audio))
@ -222,7 +223,7 @@ static int exynos_audss_clk_probe(struct platform_device *pdev)
"sclk_pcm", CLK_SET_RATE_PARENT,
reg_base + ASS_CLK_GATE, 4, 0, &lock);
sclk_pcm_in = devm_clk_get(&pdev->dev, "sclk_pcm_in");
sclk_pcm_in = devm_clk_get(dev, "sclk_pcm_in");
if (!IS_ERR(sclk_pcm_in))
sclk_pcm_p = __clk_get_name(sclk_pcm_in);
clk_table[EXYNOS_SCLK_PCM] = clk_hw_register_gate(NULL, "sclk_pcm",
@ -237,16 +238,16 @@ static int exynos_audss_clk_probe(struct platform_device *pdev)
for (i = 0; i < clk_data->num; i++) {
if (IS_ERR(clk_table[i])) {
dev_err(&pdev->dev, "failed to register clock %d\n", i);
dev_err(dev, "failed to register clock %d\n", i);
ret = PTR_ERR(clk_table[i]);
goto unregister;
}
}
ret = of_clk_add_hw_provider(pdev->dev.of_node, of_clk_hw_onecell_get,
ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
clk_data);
if (ret) {
dev_err(&pdev->dev, "failed to add clock provider\n");
dev_err(dev, "failed to add clock provider\n");
goto unregister;
}