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SubjectRe: [PATCH v9 4/7] clk: qcom: Add A53 PLL support
On Thu 21 Sep 09:49 PDT 2017, Georgi Djakov wrote:
> diff --git a/drivers/clk/qcom/a53-pll.c b/drivers/clk/qcom/a53-pll.c
[..]
> +
> +static const struct of_device_id qcom_a53pll_match_table[] = {
> + { .compatible = "qcom,msm8916-a53pll" },
> + { }
> +};

Move the match table below the probe.

> +
> +static int qcom_a53pll_probe(struct platform_device *pdev)
> +{
> + struct device *dev = &pdev->dev;
> + struct regmap *regmap;
> + struct resource *res;
> + struct clk_pll *pll;
> + void __iomem *base;
> + struct clk_init_data init = { };
> + int ret;
> +
> + pll = devm_kzalloc(dev, sizeof(*pll), GFP_KERNEL);
> + if (!pll)
> + return -ENOMEM;
> +
> + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> + base = devm_ioremap_resource(dev, res);
> + if (IS_ERR(base))
> + return PTR_ERR(base);
> +
> + regmap = devm_regmap_init_mmio(dev, base, &a53pll_regmap_config);
> + if (IS_ERR(regmap))
> + return PTR_ERR(regmap);
> +
> + pll->l_reg = 0x04;
> + pll->m_reg = 0x08;
> + pll->n_reg = 0x0c;
> + pll->config_reg = 0x14;
> + pll->mode_reg = 0x00;
> + pll->status_reg = 0x1c;
> + pll->status_bit = 16;
> + pll->freq_tbl = a53pll_freq;
> +
> + init.name = "a53pll";
> + init.parent_names = (const char *[]){ "xo" };
> + init.num_parents = 1;
> + init.ops = &clk_pll_sr2_ops;
> + init.flags = CLK_IS_CRITICAL;
> + pll->clkr.hw.init = &init;
> +
> + ret = devm_clk_register_regmap(dev, &pll->clkr);
> + if (ret) {
> + dev_err(dev, "failed to register regmap clock: %d\n", ret);
> + return ret;
> + }
> +
> + ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_simple_get,
> + &pll->clkr.hw);
> + if (ret) {
> + dev_err(dev, "failed to add clock provider: %d\n", ret);
> + return ret;
> + }
> +
> + return 0;
> +}
> +
> +static struct platform_driver qcom_a53pll_driver = {
> + .probe = qcom_a53pll_probe,

I think you should either have a remove here that
of_clk_del_hw_provider() or set suppress_bind_attrs in the .driver.

> + .driver = {
> + .name = "qcom-a53pll",
> + .of_match_table = qcom_a53pll_match_table,
> + },
> +};
> +
> +builtin_platform_driver(qcom_a53pll_driver);

Other than these nits I think this looks good.

Regards,
Bjorn

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