[PATCH v6 09/16] clk: mediatek: reset: Change return type for clock reset register function
From: Rex-BC Chen <hidden>
Date: 2022-05-03 09:40:10
Also in:
linux-clk, linux-devicetree, linux-mediatek, lkml
Subsystem:
common clk framework, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Linus Torvalds
To deal with error handling, we change the function return type from void to int for mtk_clk_register_rst_ctrl(). Signed-off-by: Rex-BC Chen <redacted> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> --- drivers/clk/mediatek/reset.c | 15 +++++++++------ drivers/clk/mediatek/reset.h | 6 ++++-- 2 files changed, 13 insertions(+), 8 deletions(-)
diff --git a/drivers/clk/mediatek/reset.c b/drivers/clk/mediatek/reset.c
index 89e617ea6393..b9718f0f9d16 100644
--- a/drivers/clk/mediatek/reset.c
+++ b/drivers/clk/mediatek/reset.c@@ -110,8 +110,8 @@ static int reset_xlate(struct reset_controller_dev *rcdev, return data->desc->rst_idx_map[reset_spec->args[0]]; } -void mtk_register_reset_controller(struct device_node *np, - const struct mtk_clk_rst_desc *desc) +int mtk_register_reset_controller(struct device_node *np, + const struct mtk_clk_rst_desc *desc) { struct regmap *regmap; const struct reset_control_ops *rcops = NULL;
@@ -120,7 +120,7 @@ void mtk_register_reset_controller(struct device_node *np, if (!desc) { pr_err("mtk clock reset desc is NULL\n"); - return; + return -EINVAL; } switch (desc->version) {
@@ -132,18 +132,18 @@ void mtk_register_reset_controller(struct device_node *np, break; default: pr_err("Unknown reset version %d\n", desc->version); - return; + return -EINVAL; } regmap = device_node_to_regmap(np); if (IS_ERR(regmap)) { pr_err("Cannot find regmap for %pOF: %pe\n", np, regmap); - return; + return -EINVAL; } data = kzalloc(sizeof(*data), GFP_KERNEL); if (!data) - return; + return -ENOMEM; data->desc = desc; data->regmap = regmap;
@@ -163,7 +163,10 @@ void mtk_register_reset_controller(struct device_node *np, if (ret) { pr_err("could not register reset controller: %d\n", ret); kfree(data); + return ret; } + + return 0; } MODULE_LICENSE("GPL");
diff --git a/drivers/clk/mediatek/reset.h b/drivers/clk/mediatek/reset.h
index 47635d964c69..cc67934c69e2 100644
--- a/drivers/clk/mediatek/reset.h
+++ b/drivers/clk/mediatek/reset.h@@ -56,8 +56,10 @@ struct mtk_clk_rst_data { * mtk_register_reset_controller - Register MediaTek clock reset controller * @np: Pointer to device node. * @desc: Constant pointer to description of clock reset. + * + * Return: 0 on success and errorno otherwise. */ -void mtk_register_reset_controller(struct device_node *np, - const struct mtk_clk_rst_desc *desc); +int mtk_register_reset_controller(struct device_node *np, + const struct mtk_clk_rst_desc *desc); #endif /* __DRV_CLK_MTK_RESET_H */
--
2.18.0
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