diff options
Diffstat (limited to 'drivers/soc/samsung')
| -rw-r--r-- | drivers/soc/samsung/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/soc/samsung/exynos-chipid.c | 18 |
2 files changed, 12 insertions, 7 deletions
diff --git a/drivers/soc/samsung/Kconfig b/drivers/soc/samsung/Kconfig index 2905f5262197..33ad0de2de3c 100644 --- a/drivers/soc/samsung/Kconfig +++ b/drivers/soc/samsung/Kconfig @@ -10,6 +10,7 @@ if SOC_SAMSUNG config EXYNOS_CHIPID bool "Exynos Chipid controller driver" if COMPILE_TEST depends on ARCH_EXYNOS || COMPILE_TEST + select MFD_SYSCON select SOC_BUS config EXYNOS_PMU diff --git a/drivers/soc/samsung/exynos-chipid.c b/drivers/soc/samsung/exynos-chipid.c index 006a95feb618..c55a47cfe617 100644 --- a/drivers/soc/samsung/exynos-chipid.c +++ b/drivers/soc/samsung/exynos-chipid.c @@ -56,10 +56,8 @@ int __init exynos_chipid_early_init(void) int ret; regmap = syscon_regmap_lookup_by_compatible("samsung,exynos4210-chipid"); - if (IS_ERR(regmap)) { - pr_err("Failed to get CHIPID regmap\n"); + if (IS_ERR(regmap)) return PTR_ERR(regmap); - } ret = regmap_read(regmap, EXYNOS_CHIPID_REG_PRO_ID, &product_id); if (ret < 0) @@ -81,15 +79,15 @@ int __init exynos_chipid_early_init(void) soc_dev_attr->soc_id = product_id_to_soc_id(product_id); if (!soc_dev_attr->soc_id) { pr_err("Unknown SoC\n"); - return -ENODEV; + ret = -ENODEV; + goto err; } /* please note that the actual registration will be deferred */ soc_dev = soc_device_register(soc_dev_attr); if (IS_ERR(soc_dev)) { - kfree(soc_dev_attr->revision); - kfree(soc_dev_attr); - return PTR_ERR(soc_dev); + ret = PTR_ERR(soc_dev); + goto err; } /* it is too early to use dev_info() here (soc_dev is NULL) */ @@ -97,5 +95,11 @@ int __init exynos_chipid_early_init(void) soc_dev_attr->soc_id, product_id, revision); return 0; + +err: + kfree(soc_dev_attr->revision); + kfree(soc_dev_attr); + return ret; } + early_initcall(exynos_chipid_early_init); |