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SubjectRe: [PATCH V6 02/12] clk: sprd: Add common infrastructure
On 11/27, Chunyan Zhang wrote:
> +
> + sprd_clk_set_regmap(desc, regmap);
> +
> + return 0;
> +}
> +EXPORT_SYMBOL_GPL(sprd_clk_regmap_init);
> +
> +int sprd_clk_probe(struct device *dev, struct clk_hw_onecell_data *clkhw)
> +{
> + int i, ret = 0;

ret shouldn't need to be initialized here.

> + struct clk_hw *hw;
> +
> + for (i = 0; i < clkhw->num; i++) {
> +
> + hw = clkhw->hws[i];
> +
> + if (!hw)
> + continue;
> +
> + ret = devm_clk_hw_register(dev, hw);
> + if (ret) {
> + dev_err(dev, "Couldn't register clock %d - %s\n",
> + i, hw->init->name);
> + return ret;
> + }
> + }
> +
> + ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
> + clkhw);

You can use devm_ now for this.

> + if (ret)
> + dev_err(dev, "Failed to add clock provider.\n");

Please remove the full stop on error messages.

> +
> + return ret;
> +}
> +EXPORT_SYMBOL_GPL(sprd_clk_probe);
> +
> +MODULE_LICENSE("GPL v2");
> diff --git a/drivers/clk/sprd/common.h b/drivers/clk/sprd/common.h
> new file mode 100644
> index 0000000..8cd774e
> --- /dev/null
> +++ b/drivers/clk/sprd/common.h
> @@ -0,0 +1,52 @@
> +/*
> + * Spreadtrum clock infrastructure
> + *
> + * Copyright (C) 2017 Spreadtrum, Inc.
> + * Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
> + *
> + * SPDX-License-Identifier: GPL-2.0
> + */
> +
> +#ifndef _SPRD_CLK_COMMON_H_
> +#define _SPRD_CLK_COMMON_H_
> +
> +#include <linux/clk-provider.h>
> +#include <linux/of_platform.h>
> +#include <linux/regmap.h>
> +
> +#include "../clk_common.h"
> +
> +struct device_node;
> +
> +struct sprd_clk_common {
> + struct regmap *regmap;
> + u32 reg;
> + struct clk_hw hw;
> +};
> +
> +struct sprd_clk_desc {
> + struct sprd_clk_common **clk_clks;
> + unsigned long num_clk_clks;
> + struct clk_hw_onecell_data *hw_clks;
> +};
> +
> +#define sprd_regmap_read(map, reg, val) \
> +({ \
> + (map) ? regmap_read((map), (reg), (val)) : (-EINVAL); \

Do we sometimes not have a map? This seems overly cautious.

> +})
> +
> +#define sprd_regmap_write(map, reg, val) \
> +({ \

--
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a Linux Foundation Collaborative Project

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