On Thu 03 Dec 01:02 CST 2020, Vinod Koul wrote:
> diff --git a/drivers/clk/qcom/gcc-sm8350.c b/drivers/clk/qcom/gcc-sm8350.c
[..]
> +static int gcc_sm8350_probe(struct platform_device *pdev)
> +{
> + struct regmap *regmap;
> + int ret;
> +
> + regmap = qcom_cc_map(pdev, &gcc_sm8350_desc);
> + if (IS_ERR(regmap)) {
> + dev_err(&pdev->dev, "Failed to map gcc registers\n");
> + return PTR_ERR(regmap);
> + }
> +
> + ret = qcom_cc_register_rcg_dfs(regmap, gcc_dfs_clocks,
> ARRAY_SIZE(gcc_dfs_clocks));
> + if (ret)
> + return ret;
> +
> + /* FORCE_MEM_CORE_ON for ufs phy ice core clocks */
> + regmap_update_bits(regmap, gcc_ufs_phy_ice_core_clk.halt_reg, BIT(14),
> BIT(14));
> +
> + /*
> + * Enable clocks required by the i2c-connected pm8008 regulators. Don't
> + * register them with the clock framework so that client requests are
> + * short-circuited before grabbing the enable/prepare locks. This
> + * prevents deadlocks between the clk/regulator frameworks.
> + *
> + * gcc_qupv3_wrap_1_m_ahb_clk
> + * gcc_qupv3_wrap_1_s_ahb_clk
> + * gcc_qupv3_wrap1_s5_clk
> + */
Isn't this a workaround inherited from the downstream control of
regulators from within the clock core? Does this still apply upstream?
Regards,
Bjorn
> + regmap_update_bits(regmap, 0x52008, BIT(20), BIT(20));
> + regmap_update_bits(regmap, 0x52008, BIT(21), BIT(21));
> + regmap_update_bits(regmap, 0x52008, BIT(27), BIT(27));
> +
> + return qcom_cc_really_probe(pdev, &gcc_sm8350_desc, regmap);
> +}
> +
> +static struct platform_driver gcc_sm8350_driver = {
> + .probe = gcc_sm8350_probe,
> + .driver = {
> + .name = "sm8350-gcc",
> + .of_match_table = gcc_sm8350_match_table,
> + },
> +};
> +
> +static int __init gcc_sm8350_init(void)
> +{
> + return platform_driver_register(&gcc_sm8350_driver);
> +}
> +subsys_initcall(gcc_sm8350_init);
> +
> +static void __exit gcc_sm8350_exit(void)
> +{
> + platform_driver_unregister(&gcc_sm8350_driver);
> +}
> +module_exit(gcc_sm8350_exit);
> +
> +MODULE_DESCRIPTION("QTI GCC SM8350 Driver");
> +MODULE_LICENSE("GPL v2");
> --
> 2.26.2
>
