diff options
Diffstat (limited to 'drivers/clk/samsung/clk-exynos-clkout.c')
| -rw-r--r-- | drivers/clk/samsung/clk-exynos-clkout.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/clk/samsung/clk-exynos-clkout.c b/drivers/clk/samsung/clk-exynos-clkout.c index e6d6cbf8c4e6..5b21025338bd 100644 --- a/drivers/clk/samsung/clk-exynos-clkout.c +++ b/drivers/clk/samsung/clk-exynos-clkout.c @@ -10,6 +10,7 @@ #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/module.h> +#include <linux/mod_devicetable.h> #include <linux/io.h> #include <linux/of.h> #include <linux/of_address.h> @@ -17,6 +18,8 @@ #include <linux/platform_device.h> #include <linux/pm.h> +#define DRV_NAME "exynos-clkout" + #define EXYNOS_CLKOUT_NR_CLKS 1 #define EXYNOS_CLKOUT_PARENTS 32 @@ -56,6 +59,9 @@ static const struct of_device_id exynos_clkout_ids[] = { .compatible = "samsung,exynos4210-pmu", .data = &exynos_clkout_exynos4, }, { + .compatible = "samsung,exynos4212-pmu", + .data = &exynos_clkout_exynos4, + }, { .compatible = "samsung,exynos4412-pmu", .data = &exynos_clkout_exynos4, }, { @@ -72,7 +78,6 @@ static const struct of_device_id exynos_clkout_ids[] = { .data = &exynos_clkout_exynos5, }, { } }; -MODULE_DEVICE_TABLE(of, exynos_clkout_ids); /* * Device will be instantiated as child of PMU device without its own @@ -88,6 +93,11 @@ static int exynos_clkout_match_parent_dev(struct device *dev, u32 *mux_mask) return -EINVAL; } + /* + * 'exynos_clkout_ids' arrays is not the ids array matched by + * the dev->parent driver, so of_device_get_match_data() or + * device_get_match_data() cannot be used here. + */ match = of_match_device(exynos_clkout_ids, dev->parent); if (!match) { dev_err(dev, "cannot match parent device\n"); @@ -165,6 +175,7 @@ static int exynos_clkout_probe(struct platform_device *pdev) clkout->mux.shift = EXYNOS_CLKOUT_MUX_SHIFT; clkout->mux.lock = &clkout->slock; + clkout->data.num = EXYNOS_CLKOUT_NR_CLKS; clkout->data.hws[0] = clk_hw_register_composite(NULL, "clkout", parent_names, parent_count, &clkout->mux.hw, &clk_mux_ops, NULL, NULL, &clkout->gate.hw, @@ -175,7 +186,6 @@ static int exynos_clkout_probe(struct platform_device *pdev) goto err_unmap; } - clkout->data.num = EXYNOS_CLKOUT_NR_CLKS; ret = of_clk_add_hw_provider(clkout->np, of_clk_hw_onecell_get, &clkout->data); if (ret) goto err_clk_unreg; @@ -196,15 +206,13 @@ clks_put: return ret; } -static int exynos_clkout_remove(struct platform_device *pdev) +static void exynos_clkout_remove(struct platform_device *pdev) { struct exynos_clkout *clkout = platform_get_drvdata(pdev); of_clk_del_provider(clkout->np); clk_hw_unregister(clkout->data.hws[0]); iounmap(clkout->reg); - - return 0; } static int __maybe_unused exynos_clkout_suspend(struct device *dev) @@ -230,8 +238,7 @@ static SIMPLE_DEV_PM_OPS(exynos_clkout_pm_ops, exynos_clkout_suspend, static struct platform_driver exynos_clkout_driver = { .driver = { - .name = "exynos-clkout", - .of_match_table = exynos_clkout_ids, + .name = DRV_NAME, .pm = &exynos_clkout_pm_ops, }, .probe = exynos_clkout_probe, @@ -242,4 +249,5 @@ module_platform_driver(exynos_clkout_driver); MODULE_AUTHOR("Krzysztof Kozlowski <krzk@kernel.org>"); MODULE_AUTHOR("Tomasz Figa <tomasz.figa@gmail.com>"); MODULE_DESCRIPTION("Samsung Exynos clock output driver"); +MODULE_ALIAS("platform:" DRV_NAME); MODULE_LICENSE("GPL"); |