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authorSam Protsenko <semen.protsenko@linaro.org>2023-02-23 05:19:35 +0100
committerKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>2023-03-06 16:55:26 +0100
commita4c78367f62ae36aa3529029346788cc7f5e3073 (patch)
tree96d6dfc7afdff6fbb1ba9f60d3215d8e0e8bb917 /drivers/clk/samsung
parentclk: samsung: Don't pass reg_base to samsung_clk_register_pll() (diff)
downloadlinux-a4c78367f62ae36aa3529029346788cc7f5e3073.tar.xz
linux-a4c78367f62ae36aa3529029346788cc7f5e3073.zip
clk: samsung: Set dev in samsung_clk_init()
Some drivers set dev to context in order to implement PM. Make that part of samsung_clk_init() instead of assigning `ctx->dev = dev' separately. No functional change. Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org> Link: https://lore.kernel.org/r/20230223041938.22732-4-semen.protsenko@linaro.org Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Diffstat (limited to 'drivers/clk/samsung')
-rw-r--r--drivers/clk/samsung/clk-exynos4.c2
-rw-r--r--drivers/clk/samsung/clk-exynos4412-isp.c3
-rw-r--r--drivers/clk/samsung/clk-exynos5250.c2
-rw-r--r--drivers/clk/samsung/clk-exynos5420.c2
-rw-r--r--drivers/clk/samsung/clk-s3c64xx.c2
-rw-r--r--drivers/clk/samsung/clk-s5pv210.c2
-rw-r--r--drivers/clk/samsung/clk.c19
-rw-r--r--drivers/clk/samsung/clk.h5
8 files changed, 24 insertions, 13 deletions
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index 7a9994144d72..d7dbb3858347 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -1251,7 +1251,7 @@ static void __init exynos4_clk_init(struct device_node *np,
if (!reg_base)
panic("%s: failed to map registers\n", __func__);
- ctx = samsung_clk_init(reg_base, CLK_NR_CLKS);
+ ctx = samsung_clk_init(NULL, reg_base, CLK_NR_CLKS);
hws = ctx->clk_data.hws;
samsung_clk_of_register_fixed_ext(ctx, exynos4_fixed_rate_ext_clks,
diff --git a/drivers/clk/samsung/clk-exynos4412-isp.c b/drivers/clk/samsung/clk-exynos4412-isp.c
index 0b6390e04533..1470c15e95da 100644
--- a/drivers/clk/samsung/clk-exynos4412-isp.c
+++ b/drivers/clk/samsung/clk-exynos4412-isp.c
@@ -121,8 +121,7 @@ static int __init exynos4x12_isp_clk_probe(struct platform_device *pdev)
if (!exynos4x12_save_isp)
return -ENOMEM;
- ctx = samsung_clk_init(reg_base, CLK_NR_ISP_CLKS);
- ctx->dev = dev;
+ ctx = samsung_clk_init(dev, reg_base, CLK_NR_ISP_CLKS);
platform_set_drvdata(pdev, ctx);
diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c
index f1cb69aea10e..92fb09922f28 100644
--- a/drivers/clk/samsung/clk-exynos5250.c
+++ b/drivers/clk/samsung/clk-exynos5250.c
@@ -797,7 +797,7 @@ static void __init exynos5250_clk_init(struct device_node *np)
panic("%s: unable to determine soc\n", __func__);
}
- ctx = samsung_clk_init(reg_base, CLK_NR_CLKS);
+ ctx = samsung_clk_init(NULL, reg_base, CLK_NR_CLKS);
hws = ctx->clk_data.hws;
samsung_clk_of_register_fixed_ext(ctx, exynos5250_fixed_rate_ext_clks,
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index 46cac4980be2..1e0cbf762408 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -1587,7 +1587,7 @@ static void __init exynos5x_clk_init(struct device_node *np,
exynos5x_soc = soc;
- ctx = samsung_clk_init(reg_base, CLK_NR_CLKS);
+ ctx = samsung_clk_init(NULL, reg_base, CLK_NR_CLKS);
hws = ctx->clk_data.hws;
samsung_clk_of_register_fixed_ext(ctx, exynos5x_fixed_rate_ext_clks,
diff --git a/drivers/clk/samsung/clk-s3c64xx.c b/drivers/clk/samsung/clk-s3c64xx.c
index 47e9d19486dc..d27a1f73f077 100644
--- a/drivers/clk/samsung/clk-s3c64xx.c
+++ b/drivers/clk/samsung/clk-s3c64xx.c
@@ -405,7 +405,7 @@ void __init s3c64xx_clk_init(struct device_node *np, unsigned long xtal_f,
panic("%s: failed to map registers\n", __func__);
}
- ctx = samsung_clk_init(reg_base, NR_CLKS);
+ ctx = samsung_clk_init(NULL, reg_base, NR_CLKS);
hws = ctx->clk_data.hws;
/* Register external clocks. */
diff --git a/drivers/clk/samsung/clk-s5pv210.c b/drivers/clk/samsung/clk-s5pv210.c
index b0ab6bc9d21d..cd85342e4ddb 100644
--- a/drivers/clk/samsung/clk-s5pv210.c
+++ b/drivers/clk/samsung/clk-s5pv210.c
@@ -743,7 +743,7 @@ static void __init __s5pv210_clk_init(struct device_node *np,
struct samsung_clk_provider *ctx;
struct clk_hw **hws;
- ctx = samsung_clk_init(reg_base, NR_CLKS);
+ ctx = samsung_clk_init(NULL, reg_base, NR_CLKS);
hws = ctx->clk_data.hws;
samsung_clk_register_mux(ctx, early_mux_clks,
diff --git a/drivers/clk/samsung/clk.c b/drivers/clk/samsung/clk.c
index 2436223aac1a..912dfbe5ac20 100644
--- a/drivers/clk/samsung/clk.c
+++ b/drivers/clk/samsung/clk.c
@@ -53,9 +53,19 @@ struct samsung_clk_reg_dump *samsung_clk_alloc_reg_dump(
return rd;
}
-/* setup the essentials required to support clock lookup using ccf */
-struct samsung_clk_provider * __init samsung_clk_init(void __iomem *base,
- unsigned long nr_clks)
+/**
+ * samsung_clk_init() - Create and initialize a clock provider object
+ * @dev: CMU device to enable runtime PM, or NULL if RPM is not needed
+ * @base: Start address (mapped) of CMU registers
+ * @nr_clks: Total clock count to allocate in clock provider object
+ *
+ * Setup the essentials required to support clock lookup using Common Clock
+ * Framework.
+ *
+ * Return: Allocated and initialized clock provider object.
+ */
+struct samsung_clk_provider * __init samsung_clk_init(struct device *dev,
+ void __iomem *base, unsigned long nr_clks)
{
struct samsung_clk_provider *ctx;
int i;
@@ -67,6 +77,7 @@ struct samsung_clk_provider * __init samsung_clk_init(void __iomem *base,
for (i = 0; i < nr_clks; ++i)
ctx->clk_data.hws[i] = ERR_PTR(-ENOENT);
+ ctx->dev = dev;
ctx->reg_base = base;
ctx->clk_data.num = nr_clks;
spin_lock_init(&ctx->lock);
@@ -341,7 +352,7 @@ struct samsung_clk_provider * __init samsung_cmu_register_one(
return NULL;
}
- ctx = samsung_clk_init(reg_base, cmu->nr_clk_ids);
+ ctx = samsung_clk_init(NULL, reg_base, cmu->nr_clk_ids);
if (cmu->pll_clks)
samsung_clk_register_pll(ctx, cmu->pll_clks, cmu->nr_pll_clks);
diff --git a/drivers/clk/samsung/clk.h b/drivers/clk/samsung/clk.h
index 98753b0e5055..3fd6c0868921 100644
--- a/drivers/clk/samsung/clk.h
+++ b/drivers/clk/samsung/clk.h
@@ -16,6 +16,7 @@
/**
* struct samsung_clk_provider: information about clock provider
* @reg_base: virtual address for the register base.
+ * @dev: clock provider device needed for runtime PM.
* @lock: maintains exclusion between callbacks for a given clock-provider.
* @clk_data: holds clock related data like clk_hw* and number of clocks.
*/
@@ -337,8 +338,8 @@ struct samsung_cmu_info {
const char *clk_name;
};
-struct samsung_clk_provider *samsung_clk_init(void __iomem *base,
- unsigned long nr_clks);
+struct samsung_clk_provider *samsung_clk_init(struct device *dev,
+ void __iomem *base, unsigned long nr_clks);
void samsung_clk_of_add_provider(struct device_node *np,
struct samsung_clk_provider *ctx);
void samsung_clk_of_register_fixed_ext(