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Samsung soc drivers changes for v5.4, part 2

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Fixes and cleanups for recently introduced Exynos chipid driver.
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Merge tag 'samsung-drivers-5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/drivers

Samsung soc drivers changes for v5.4, part 2

Fixes and cleanups for recently introduced Exynos chipid driver.

* tag 'samsung-drivers-5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: chipid: Select missing dependency for EXYNOS_CHIPID
  soc: samsung: chipid: Remove the regmap lookup error log
  soc: samsung: chipid: Fix memory leak in error path

Link: https://lore.kernel.org/r/20190904175002.10487-3-krzk@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2019-09-04 22:32:30 +02:00
commit b8580b2831
2 changed files with 12 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/soc/samsung/Kconfig
View File

@ -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

18
drivers/soc/samsung/exynos-chipid.c
View File

@ -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);