diff options
Diffstat (limited to 'drivers/soc/samsung/exynos-chipid.c')
| -rw-r--r-- | drivers/soc/samsung/exynos-chipid.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/soc/samsung/exynos-chipid.c b/drivers/soc/samsung/exynos-chipid.c index c55a47cfe617..b89c26a71c6e 100644 --- a/drivers/soc/samsung/exynos-chipid.c +++ b/drivers/soc/samsung/exynos-chipid.c @@ -45,17 +45,25 @@ static const char * __init product_id_to_soc_id(unsigned int product_id) return NULL; } -int __init exynos_chipid_early_init(void) +static int __init exynos_chipid_early_init(void) { struct soc_device_attribute *soc_dev_attr; struct soc_device *soc_dev; struct device_node *root; + struct device_node *syscon; struct regmap *regmap; u32 product_id; u32 revision; int ret; - regmap = syscon_regmap_lookup_by_compatible("samsung,exynos4210-chipid"); + syscon = of_find_compatible_node(NULL, NULL, + "samsung,exynos4210-chipid"); + if (!syscon) + return ENODEV; + + regmap = device_node_to_regmap(syscon); + of_node_put(syscon); + if (IS_ERR(regmap)) return PTR_ERR(regmap); |