diff options
Diffstat (limited to 'drivers/mfd/syscon.c')
| -rw-r--r-- | drivers/mfd/syscon.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c index 1a31512369f..ca15878ce5c 100644 --- a/drivers/mfd/syscon.c +++ b/drivers/mfd/syscon.c @@ -18,6 +18,7 @@ #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_platform.h> +#include <linux/platform_data/syscon.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/mfd/syscon.h> @@ -25,7 +26,6 @@ static struct platform_driver syscon_driver; struct syscon { - void __iomem *base; struct regmap *regmap; }; @@ -70,13 +70,6 @@ EXPORT_SYMBOL_GPL(syscon_regmap_lookup_by_compatible); static int syscon_match_pdevname(struct device *dev, void *data) { - struct platform_device *pdev = to_platform_device(dev); - const struct platform_device_id *id = platform_get_device_id(pdev); - - if (id) - if (!strcmp(id->name, (const char *)data)) - return 1; - return !strcmp(dev_name(dev), (const char *)data); } @@ -102,7 +95,11 @@ struct regmap *syscon_regmap_lookup_by_phandle(struct device_node *np, struct device_node *syscon_np; struct regmap *regmap; - syscon_np = of_parse_phandle(np, property, 0); + if (property) + syscon_np = of_parse_phandle(np, property, 0); + else + syscon_np = np; + if (!syscon_np) return ERR_PTR(-ENODEV); @@ -127,8 +124,10 @@ static struct regmap_config syscon_regmap_config = { static int syscon_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; + struct syscon_platform_data *pdata = dev_get_platdata(dev); struct syscon *syscon; struct resource *res; + void __iomem *base; syscon = devm_kzalloc(dev, sizeof(*syscon), GFP_KERNEL); if (!syscon) @@ -138,12 +137,14 @@ static int syscon_probe(struct platform_device *pdev) if (!res) return -ENOENT; - syscon->base = devm_ioremap(dev, res->start, resource_size(res)); - if (!syscon->base) + base = devm_ioremap(dev, res->start, resource_size(res)); + if (!base) return -ENOMEM; syscon_regmap_config.max_register = res->end - res->start - 3; - syscon->regmap = devm_regmap_init_mmio(dev, syscon->base, + if (pdata) + syscon_regmap_config.name = pdata->label; + syscon->regmap = devm_regmap_init_mmio(dev, base, &syscon_regmap_config); if (IS_ERR(syscon->regmap)) { dev_err(dev, "regmap init failed\n"); @@ -152,16 +153,13 @@ static int syscon_probe(struct platform_device *pdev) platform_set_drvdata(pdev, syscon); - dev_info(dev, "regmap %pR registered\n", res); + dev_dbg(dev, "regmap %pR registered\n", res); return 0; } static const struct platform_device_id syscon_ids[] = { { "syscon", }, -#ifdef CONFIG_ARCH_CLPS711X - { "clps711x-syscon", }, -#endif { } }; |