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authorMarek Szyprowski <m.szyprowski@samsung.com>2017-08-21 10:05:02 +0200
committerMichael Turquette <mturquette@baylibre.com>2017-09-08 00:25:57 +0200
commit232d7e4792f4c3f8ebb5e348a0795b6a71d0e7d8 (patch)
tree344d39c72c4be65aa0b348cc52b01c6745b3eedd
parentclk: samsung: exynos5433: Add support for runtime PM (diff)
downloadlinux-232d7e4792f4c3f8ebb5e348a0795b6a71d0e7d8.tar.xz
linux-232d7e4792f4c3f8ebb5e348a0795b6a71d0e7d8.zip
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
-rw-r--r--drivers/clk/samsung/clk-exynos-audss.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/clk/samsung/clk-exynos-audss.c b/drivers/clk/samsung/clk-exynos-audss.c
index 1fab56f396d4..6be52fb46ff3 100644
--- a/drivers/clk/samsung/clk-exynos-audss.c
+++ b/drivers/clk/samsung/clk-exynos-audss.c
@@ -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;
}