From 8dfbb5fcb773a6481407ec890280cc3b1ff8e234 Mon Sep 17 00:00:00 2001 From: Tudor Ambarus Date: Thu, 20 Nov 2025 11:29:36 +0000 Subject: [PATCH] soc: samsung: exynos-chipid: use dev_err_probe where appropiate MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Use dev_err_probe() to benefit of the standardized format of the error code (e.g. "ENODEV" instead of -19), to get meanigful error messages, and for more compact error paths. Signed-off-by: Tudor Ambarus Reviewed-by: André Draszik Link: https://patch.msgid.link/20251120-gs101-chipid-v3-2-1aeaa8b7fe35@linaro.org Signed-off-by: Krzysztof Kozlowski --- drivers/soc/samsung/exynos-chipid.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/drivers/soc/samsung/exynos-chipid.c b/drivers/soc/samsung/exynos-chipid.c index 49cb113d99f31..b9a30452ad21c 100644 --- a/drivers/soc/samsung/exynos-chipid.c +++ b/drivers/soc/samsung/exynos-chipid.c @@ -81,8 +81,8 @@ static const char *product_id_to_soc_id(unsigned int product_id) return NULL; } -static int exynos_chipid_get_chipid_info(struct regmap *regmap, - const struct exynos_chipid_variant *data, +static int exynos_chipid_get_chipid_info(struct device *dev, + struct regmap *regmap, const struct exynos_chipid_variant *data, struct exynos_chipid_info *soc_info) { int ret; @@ -90,13 +90,14 @@ static int exynos_chipid_get_chipid_info(struct regmap *regmap, ret = regmap_read(regmap, EXYNOS_CHIPID_REG_PRO_ID, &val); if (ret < 0) - return ret; + return dev_err_probe(dev, ret, "failed to read Product ID\n"); soc_info->product_id = val & EXYNOS_MASK; if (data->rev_reg != EXYNOS_CHIPID_REG_PRO_ID) { ret = regmap_read(regmap, data->rev_reg, &val); if (ret < 0) - return ret; + return dev_err_probe(dev, ret, + "failed to read revision\n"); } main_rev = (val >> data->main_rev_shift) & EXYNOS_REV_PART_MASK; sub_rev = (val >> data->sub_rev_shift) & EXYNOS_REV_PART_MASK; @@ -123,13 +124,15 @@ static int exynos_chipid_probe(struct platform_device *pdev) drv_data = of_device_get_match_data(dev); if (!drv_data) - return -EINVAL; + return dev_err_probe(dev, -EINVAL, + "failed to get match data\n"); regmap = device_node_to_regmap(dev->of_node); if (IS_ERR(regmap)) - return PTR_ERR(regmap); + return dev_err_probe(dev, PTR_ERR(regmap), + "failed to get regmap\n"); - ret = exynos_chipid_get_chipid_info(regmap, drv_data, &soc_info); + ret = exynos_chipid_get_chipid_info(dev, regmap, drv_data, &soc_info); if (ret < 0) return ret; @@ -148,15 +151,14 @@ static int exynos_chipid_probe(struct platform_device *pdev) 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"); - return -ENODEV; - } + if (!soc_dev_attr->soc_id) + return dev_err_probe(dev, -ENODEV, "Unknown SoC\n"); /* please note that the actual registration will be deferred */ soc_dev = soc_device_register(soc_dev_attr); if (IS_ERR(soc_dev)) - return PTR_ERR(soc_dev); + return dev_err_probe(dev, PTR_ERR(soc_dev), + "failed to register to the soc interface\n"); ret = devm_add_action_or_reset(dev, exynos_chipid_unregister_soc, soc_dev); -- 2.47.3