clk: samsung: exynos-audss: Convert to the new clk_hw API
authorMarek Szyprowski <m.szyprowski@samsung.com>
Mon, 15 May 2017 06:50:47 +0000 (08:50 +0200)
committerSylwester Nawrocki <s.nawrocki@samsung.com>
Fri, 9 Jun 2017 09:10:40 +0000 (11:10 +0200)
Clock providers should use the new struct clk_hw based API, so convert
Exynos Audio Subsystem clock provider to the new approach.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
drivers/clk/samsung/clk-exynos-audss.c

index cb7df35..85edeb7 100644 (file)
@@ -22,9 +22,8 @@
 #include <dt-bindings/clock/exynos-audss-clk.h>
 
 static DEFINE_SPINLOCK(lock);
-static struct clk **clk_table;
 static void __iomem *reg_base;
-static struct clk_onecell_data clk_data;
+static struct clk_hw_onecell_data *clk_data;
 /*
  * On Exynos5420 this will be a clock which has to be enabled before any
  * access to audss registers. Typically a child of EPLL.
@@ -110,18 +109,18 @@ static void exynos_audss_clk_teardown(void)
        int i;
 
        for (i = EXYNOS_MOUT_AUDSS; i < EXYNOS_DOUT_SRP; i++) {
-               if (!IS_ERR(clk_table[i]))
-                       clk_unregister_mux(clk_table[i]);
+               if (!IS_ERR(clk_data->hws[i]))
+                       clk_hw_unregister_mux(clk_data->hws[i]);
        }
 
        for (; i < EXYNOS_SRP_CLK; i++) {
-               if (!IS_ERR(clk_table[i]))
-                       clk_unregister_divider(clk_table[i]);
+               if (!IS_ERR(clk_data->hws[i]))
+                       clk_hw_unregister_divider(clk_data->hws[i]);
        }
 
-       for (; i < clk_data.clk_num; i++) {
-               if (!IS_ERR(clk_table[i]))
-                       clk_unregister_gate(clk_table[i]);
+       for (; i < clk_data->num; i++) {
+               if (!IS_ERR(clk_data->hws[i]))
+                       clk_hw_unregister_gate(clk_data->hws[i]);
        }
 }
 
@@ -133,6 +132,7 @@ static int exynos_audss_clk_probe(struct platform_device *pdev)
        const char *sclk_pcm_p = "sclk_pcm0";
        struct clk *pll_ref, *pll_in, *cdclk, *sclk_audio, *sclk_pcm_in;
        const struct exynos_audss_clk_drvdata *variant;
+       struct clk_hw **clk_table;
        struct resource *res;
        int i, ret = 0;
 
@@ -149,14 +149,15 @@ static int exynos_audss_clk_probe(struct platform_device *pdev)
 
        epll = ERR_PTR(-ENODEV);
 
-       clk_table = devm_kzalloc(&pdev->dev,
-                               sizeof(struct clk *) * EXYNOS_AUDSS_MAX_CLKS,
+       clk_data = devm_kzalloc(&pdev->dev,
+                               sizeof(*clk_data) +
+                               sizeof(*clk_data->hws) * EXYNOS_AUDSS_MAX_CLKS,
                                GFP_KERNEL);
-       if (!clk_table)
+       if (!clk_data)
                return -ENOMEM;
 
-       clk_data.clks = clk_table;
-       clk_data.clk_num = variant->num_clks;
+       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");
@@ -176,7 +177,7 @@ static int exynos_audss_clk_probe(struct platform_device *pdev)
                        }
                }
        }
-       clk_table[EXYNOS_MOUT_AUDSS] = clk_register_mux(NULL, "mout_audss",
+       clk_table[EXYNOS_MOUT_AUDSS] = clk_hw_register_mux(NULL, "mout_audss",
                                mout_audss_p, ARRAY_SIZE(mout_audss_p),
                                CLK_SET_RATE_NO_REPARENT,
                                reg_base + ASS_CLK_SRC, 0, 1, 0, &lock);
@@ -187,53 +188,53 @@ static int exynos_audss_clk_probe(struct platform_device *pdev)
                mout_i2s_p[1] = __clk_get_name(cdclk);
        if (!IS_ERR(sclk_audio))
                mout_i2s_p[2] = __clk_get_name(sclk_audio);
-       clk_table[EXYNOS_MOUT_I2S] = clk_register_mux(NULL, "mout_i2s",
+       clk_table[EXYNOS_MOUT_I2S] = clk_hw_register_mux(NULL, "mout_i2s",
                                mout_i2s_p, ARRAY_SIZE(mout_i2s_p),
                                CLK_SET_RATE_NO_REPARENT,
                                reg_base + ASS_CLK_SRC, 2, 2, 0, &lock);
 
-       clk_table[EXYNOS_DOUT_SRP] = clk_register_divider(NULL, "dout_srp",
+       clk_table[EXYNOS_DOUT_SRP] = clk_hw_register_divider(NULL, "dout_srp",
                                "mout_audss", 0, reg_base + ASS_CLK_DIV, 0, 4,
                                0, &lock);
 
-       clk_table[EXYNOS_DOUT_AUD_BUS] = clk_register_divider(NULL,
+       clk_table[EXYNOS_DOUT_AUD_BUS] = clk_hw_register_divider(NULL,
                                "dout_aud_bus", "dout_srp", 0,
                                reg_base + ASS_CLK_DIV, 4, 4, 0, &lock);
 
-       clk_table[EXYNOS_DOUT_I2S] = clk_register_divider(NULL, "dout_i2s",
+       clk_table[EXYNOS_DOUT_I2S] = clk_hw_register_divider(NULL, "dout_i2s",
                                "mout_i2s", 0, reg_base + ASS_CLK_DIV, 8, 4, 0,
                                &lock);
 
-       clk_table[EXYNOS_SRP_CLK] = clk_register_gate(NULL, "srp_clk",
+       clk_table[EXYNOS_SRP_CLK] = clk_hw_register_gate(NULL, "srp_clk",
                                "dout_srp", CLK_SET_RATE_PARENT,
                                reg_base + ASS_CLK_GATE, 0, 0, &lock);
 
-       clk_table[EXYNOS_I2S_BUS] = clk_register_gate(NULL, "i2s_bus",
+       clk_table[EXYNOS_I2S_BUS] = clk_hw_register_gate(NULL, "i2s_bus",
                                "dout_aud_bus", CLK_SET_RATE_PARENT,
                                reg_base + ASS_CLK_GATE, 2, 0, &lock);
 
-       clk_table[EXYNOS_SCLK_I2S] = clk_register_gate(NULL, "sclk_i2s",
+       clk_table[EXYNOS_SCLK_I2S] = clk_hw_register_gate(NULL, "sclk_i2s",
                                "dout_i2s", CLK_SET_RATE_PARENT,
                                reg_base + ASS_CLK_GATE, 3, 0, &lock);
 
-       clk_table[EXYNOS_PCM_BUS] = clk_register_gate(NULL, "pcm_bus",
+       clk_table[EXYNOS_PCM_BUS] = clk_hw_register_gate(NULL, "pcm_bus",
                                 "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");
        if (!IS_ERR(sclk_pcm_in))
                sclk_pcm_p = __clk_get_name(sclk_pcm_in);
-       clk_table[EXYNOS_SCLK_PCM] = clk_register_gate(NULL, "sclk_pcm",
+       clk_table[EXYNOS_SCLK_PCM] = clk_hw_register_gate(NULL, "sclk_pcm",
                                sclk_pcm_p, CLK_SET_RATE_PARENT,
                                reg_base + ASS_CLK_GATE, 5, 0, &lock);
 
        if (variant->has_adma_clk) {
-               clk_table[EXYNOS_ADMA] = clk_register_gate(NULL, "adma",
+               clk_table[EXYNOS_ADMA] = clk_hw_register_gate(NULL, "adma",
                                "dout_srp", CLK_SET_RATE_PARENT,
                                reg_base + ASS_CLK_GATE, 9, 0, &lock);
        }
 
-       for (i = 0; i < clk_data.clk_num; i++) {
+       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);
                        ret = PTR_ERR(clk_table[i]);
@@ -241,8 +242,8 @@ static int exynos_audss_clk_probe(struct platform_device *pdev)
                }
        }
 
-       ret = of_clk_add_provider(pdev->dev.of_node, of_clk_src_onecell_get,
-                                       &clk_data);
+       ret = of_clk_add_hw_provider(pdev->dev.of_node, of_clk_hw_onecell_get,
+                                    clk_data);
        if (ret) {
                dev_err(&pdev->dev, "failed to add clock provider\n");
                goto unregister;