diff options
Diffstat (limited to 'drivers/soc/samsung/exynos-chipid.c')
| -rw-r--r-- | drivers/soc/samsung/exynos-chipid.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/drivers/soc/samsung/exynos-chipid.c b/drivers/soc/samsung/exynos-chipid.c index 7ba45c4aff97..d3b4b5508e0c 100644 --- a/drivers/soc/samsung/exynos-chipid.c +++ b/drivers/soc/samsung/exynos-chipid.c @@ -12,6 +12,7 @@ * Samsung Exynos SoC Adaptive Supply Voltage and Chip ID support */ +#include <linux/array_size.h> #include <linux/device.h> #include <linux/errno.h> #include <linux/mfd/syscon.h> @@ -55,10 +56,18 @@ static const struct exynos_soc_id { { "EXYNOS5440", 0xE5440000 }, { "EXYNOS5800", 0xE5422000 }, { "EXYNOS7420", 0xE7420000 }, + { "EXYNOS7870", 0xE7870000 }, + { "EXYNOS8890", 0xE8890000 }, /* Compatible with: samsung,exynos850-chipid */ + { "EXYNOS2200", 0xE9925000 }, { "EXYNOS7885", 0xE7885000 }, { "EXYNOS850", 0xE3830000 }, + { "EXYNOS8895", 0xE8895000 }, + { "EXYNOS9610", 0xE9610000 }, + { "EXYNOS9810", 0xE9810000 }, + { "EXYNOS990", 0xE9830000 }, { "EXYNOSAUTOV9", 0xAAA80000 }, + { "EXYNOSAUTOV920", 0x0A920000 }, }; static const char *product_id_to_soc_id(unsigned int product_id) @@ -100,16 +109,17 @@ static int exynos_chipid_probe(struct platform_device *pdev) const struct exynos_chipid_variant *drv_data; struct exynos_chipid_info soc_info; struct soc_device_attribute *soc_dev_attr; + struct device *dev = &pdev->dev; struct soc_device *soc_dev; struct device_node *root; struct regmap *regmap; int ret; - drv_data = of_device_get_match_data(&pdev->dev); + drv_data = of_device_get_match_data(dev); if (!drv_data) return -EINVAL; - regmap = device_node_to_regmap(pdev->dev.of_node); + regmap = device_node_to_regmap(dev->of_node); if (IS_ERR(regmap)) return PTR_ERR(regmap); @@ -117,8 +127,7 @@ static int exynos_chipid_probe(struct platform_device *pdev) if (ret < 0) return ret; - soc_dev_attr = devm_kzalloc(&pdev->dev, sizeof(*soc_dev_attr), - GFP_KERNEL); + soc_dev_attr = devm_kzalloc(dev, sizeof(*soc_dev_attr), GFP_KERNEL); if (!soc_dev_attr) return -ENOMEM; @@ -128,8 +137,10 @@ static int exynos_chipid_probe(struct platform_device *pdev) of_property_read_string(root, "model", &soc_dev_attr->machine); of_node_put(root); - soc_dev_attr->revision = devm_kasprintf(&pdev->dev, GFP_KERNEL, - "%x", soc_info.revision); + soc_dev_attr->revision = devm_kasprintf(dev, GFP_KERNEL, "%x", + soc_info.revision); + if (!soc_dev_attr->revision) + return -ENOMEM; soc_dev_attr->soc_id = product_id_to_soc_id(soc_info.product_id); if (!soc_dev_attr->soc_id) { pr_err("Unknown SoC\n"); @@ -141,13 +152,13 @@ static int exynos_chipid_probe(struct platform_device *pdev) if (IS_ERR(soc_dev)) return PTR_ERR(soc_dev); - ret = exynos_asv_init(&pdev->dev, regmap); + ret = exynos_asv_init(dev, regmap); if (ret) goto err; platform_set_drvdata(pdev, soc_dev); - dev_info(&pdev->dev, "Exynos: CPU[%s] PRO_ID[0x%x] REV[0x%x] Detected\n", + dev_info(dev, "Exynos: CPU[%s] PRO_ID[0x%x] REV[0x%x] Detected\n", soc_dev_attr->soc_id, soc_info.product_id, soc_info.revision); return 0; @@ -158,13 +169,11 @@ err: return ret; } -static int exynos_chipid_remove(struct platform_device *pdev) +static void exynos_chipid_remove(struct platform_device *pdev) { struct soc_device *soc_dev = platform_get_drvdata(pdev); soc_device_unregister(soc_dev); - - return 0; } static const struct exynos_chipid_variant exynos4210_chipid_drv_data = { @@ -196,8 +205,8 @@ static struct platform_driver exynos_chipid_driver = { .name = "exynos-chipid", .of_match_table = exynos_chipid_of_device_ids, }, - .probe = exynos_chipid_probe, - .remove = exynos_chipid_remove, + .probe = exynos_chipid_probe, + .remove = exynos_chipid_remove, }; module_platform_driver(exynos_chipid_driver); |