Re: [PATCH V2 08/12] clk: mediatek: reset: Add new register reset function with device
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: 2022-04-21 09:07:59
Also in:
linux-clk, linux-mediatek, lkml
Il 20/04/22 15:05, Rex-BC Chen ha scritto:
Some clock drvier only support device_node, so we still remain register reset function with device_node and add a function to register reset controller with device. Signed-off-by: Rex-BC Chen <redacted> --- drivers/clk/mediatek/clk-mt2701-eth.c | 2 +- drivers/clk/mediatek/clk-mt2701-g3d.c | 2 +- drivers/clk/mediatek/clk-mt2701-hif.c | 2 +- drivers/clk/mediatek/clk-mt2701.c | 4 +-- drivers/clk/mediatek/clk-mt2712.c | 4 +-- drivers/clk/mediatek/clk-mt7622-eth.c | 2 +- drivers/clk/mediatek/clk-mt7622-hif.c | 4 +-- drivers/clk/mediatek/clk-mt7622.c | 4 +-- drivers/clk/mediatek/clk-mt7629-eth.c | 2 +- drivers/clk/mediatek/clk-mt7629-hif.c | 4 +-- drivers/clk/mediatek/clk-mt8183.c | 2 +- drivers/clk/mediatek/reset.c | 43 +++++++++++++++++++++++++++ drivers/clk/mediatek/reset.h | 2 ++ 13 files changed, 61 insertions(+), 16 deletions(-)
..snip..
quoted hunk ↗ jump to hunk
diff --git a/drivers/clk/mediatek/reset.c b/drivers/clk/mediatek/reset.c index b164b1da7dd3..1173111af3ab 100644 --- a/drivers/clk/mediatek/reset.c +++ b/drivers/clk/mediatek/reset.c@@ -107,4 +107,47 @@ int mtk_clk_register_rst_ctrl(struct device_node *np, return ret; } +int mtk_clk_register_rst_ctrl_with_dev(struct device *dev, + const struct mtk_clk_rst_desc *desc) +{ + struct device_node *np = dev->of_node; + struct regmap *regmap; + struct mtk_clk_rst_data *data; + int ret; + + if (!desc) { + dev_err(dev, "mtk clock reset desc is NULL\n"); + return -EINVAL; + } + + if (desc->version >= MTK_RST_MAX) { + dev_err(dev, "Error version number: %d\n", desc->version); + return -EINVAL; + } + + regmap = device_node_to_regmap(np); + if (IS_ERR(regmap)) { + dev_err(dev, "Cannot find regmap %pe\n", regmap); + return -EINVAL; + } + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->desc = desc; + data->regmap = regmap; + data->rcdev.owner = THIS_MODULE; + data->rcdev.nr_resets = desc->reg_num * 32; + data->rcdev.ops = rst_op[desc->version]; + data->rcdev.of_node = np; + data->rcdev.dev = dev; + + ret = devm_reset_controller_register(dev, &data->rcdev); + if (ret) + dev_err(dev, "could not register reset controller: %d\n", ret);
if (ret) {
dev_err(dev, "could not register reset controller: %d\n", ret);
return ret;
}
return 0;
+
+ return ret;
+}
+
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