diff options
Diffstat (limited to 'drivers/devfreq/event/exynos-ppmu.c')
| -rw-r--r-- | drivers/devfreq/event/exynos-ppmu.c | 36 |
1 files changed, 16 insertions, 20 deletions
diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c index 17ed980d9099..88cd4dfe87e1 100644 --- a/drivers/devfreq/event/exynos-ppmu.c +++ b/drivers/devfreq/event/exynos-ppmu.c @@ -12,9 +12,9 @@ #include <linux/io.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/of_address.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/platform_device.h> +#include <linux/property.h> #include <linux/regmap.h> #include <linux/suspend.h> #include <linux/devfreq-event.h> @@ -94,11 +94,16 @@ static struct __exynos_ppmu_events { PPMU_EVENT(d1-general), PPMU_EVENT(d1-rt), - /* For Exynos5422 SoC */ + /* For Exynos5422 SoC, deprecated (backwards compatible) */ PPMU_EVENT(dmc0_0), PPMU_EVENT(dmc0_1), PPMU_EVENT(dmc1_0), PPMU_EVENT(dmc1_1), + /* For Exynos5422 SoC */ + PPMU_EVENT(dmc0-0), + PPMU_EVENT(dmc0-1), + PPMU_EVENT(dmc1-0), + PPMU_EVENT(dmc1-1), }; static int __exynos_ppmu_find_ppmu_id(const char *edev_name) @@ -502,7 +507,6 @@ static int of_get_devfreq_events(struct device_node *np, struct device *dev = info->dev; struct device_node *events_np, *node; int i, j, count; - const struct of_device_id *of_id; int ret; events_np = of_get_child_by_name(np, "events"); @@ -514,15 +518,13 @@ static int of_get_devfreq_events(struct device_node *np, count = of_get_child_count(events_np); desc = devm_kcalloc(dev, count, sizeof(*desc), GFP_KERNEL); - if (!desc) + if (!desc) { + of_node_put(events_np); return -ENOMEM; + } info->num_events = count; - of_id = of_match_device(exynos_ppmu_id_match, dev); - if (of_id) - info->ppmu_type = (enum exynos_ppmu_type)of_id->data; - else - return -EINVAL; + info->ppmu_type = (enum exynos_ppmu_type)device_get_match_data(dev); j = 0; for_each_child_of_node(events_np, node) { @@ -561,13 +563,10 @@ static int of_get_devfreq_events(struct device_node *np, * use default if not. */ if (info->ppmu_type == EXYNOS_TYPE_PPMU_V2) { - int id; /* Not all registers take the same value for * read+write data count. */ - id = __exynos_ppmu_find_ppmu_id(desc[j].name); - - switch (id) { + switch (ppmu_events[i].id) { case PPMU_PMNCNT0: case PPMU_PMNCNT1: case PPMU_PMNCNT2: @@ -615,8 +614,7 @@ static int exynos_ppmu_parse_dt(struct platform_device *pdev, } /* Maps the memory mapped IO to control PPMU register */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - base = devm_ioremap_resource(dev, res); + base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); if (IS_ERR(base)) return PTR_ERR(base); @@ -694,18 +692,16 @@ static int exynos_ppmu_probe(struct platform_device *pdev) return 0; } -static int exynos_ppmu_remove(struct platform_device *pdev) +static void exynos_ppmu_remove(struct platform_device *pdev) { struct exynos_ppmu *info = platform_get_drvdata(pdev); clk_disable_unprepare(info->ppmu.clk); - - return 0; } static struct platform_driver exynos_ppmu_driver = { .probe = exynos_ppmu_probe, - .remove = exynos_ppmu_remove, + .remove = exynos_ppmu_remove, .driver = { .name = "exynos-ppmu", .of_match_table = exynos_ppmu_id_match, |