On Tue, Oct 25, 2016 at 04:16:58AM -0700, Jeremy McNicoll wrote:
> +static const struct qcom_cc_desc gcc_msm8994_desc = {
> + .config = &gcc_msm8994_regmap_config,
> + .clks = gcc_msm8994_clocks,
> + .num_clks = ARRAY_SIZE(gcc_msm8994_clocks),
> + .resets = NULL,
> + .num_resets = 0,
> + .gdscs = NULL,
> + .num_gdscs = 0,
> +};
> +
> +static const struct of_device_id gcc_msm8994_match_table[] = {
> + { .compatible = "qcom,gcc-8994" },
> + { .compatible = "qcom,gcc-8994v2" },
> + {}
> +}
> +
> +MODULE_DEVICE_TABLE(of, gcc_msm8994_match_table);
> +
> +static int gcc_msm8994_probe(struct platform_device *pdev)
> +{
> + struct device *dev = &pdev->dev;
> + struct clk *clk;
> + const char *compat = NULL;
> + int compatlen = 0;
> + bool is_v2 = false;
> +
> + clk = devm_clk_register(dev, &xo.hw);
> + if (IS_ERR(clk))
> + return PTR_ERR(clk);
> +
> + compat = of_get_property(pdev->dev.of_node, "compatible", &compatlen);
> + if (!compat || (compatlen <= 0))
> + return -EINVAL;
It is almost never correct to use of_get_property(). Please avoid it.
> +
> + is_v2 = !strcmp(compat, "qcom,gcc-8994v2");
> + if (is_v2)
> + msm_gcc_8994v2_fixup();
Either put some data in the of_device_id tables, and use that to determine what
to do here, or use of_device_is_compatible() or of_match_node() to check the
string.
Thanks,
Mark.
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