[PATCH 9/9] drivers: clk: qcom: Add support for GPUCC and GFXCLK for Kaanapali

Bjorn Andersson andersson at kernel.org
Thu Sep 25 06:17:11 PDT 2025


On Wed, Sep 24, 2025 at 04:56:50PM -0700, Jingyi Wang wrote:
> From: Taniya Das <taniya.das at oss.qualcomm.com>
> 
> Support the graphics clock controller for Kaanapali for Graphics SW
> driver to use the clocks.

GFXCLKCTL is a new thing, please describe what it is.

> 
[..]
> diff --git a/drivers/clk/qcom/gxclkctl-kaanapali.c b/drivers/clk/qcom/gxclkctl-kaanapali.c
[..]
> +static struct platform_driver gx_clkctl_kaanapali_driver = {
> +	.probe = gx_clkctl_kaanapali_probe,
> +	.driver = {
> +		.name = "gxclkctl-kaanapali",
> +		.of_match_table = gx_clkctl_kaanapali_match_table,
> +	},
> +};
> +
> +static int __init gx_clkctl_kaanapali_init(void)
> +{
> +	return platform_driver_register(&gx_clkctl_kaanapali_driver);
> +}
> +subsys_initcall(gx_clkctl_kaanapali_init);

We're not starting up the GPU at subsys initlevel. Can't this just be
module_platform_driver()? If not please document why.

Regards,
Bjorn

> +
> +static void __exit gx_clkctl_kaanapali_exit(void)
> +{
> +	platform_driver_unregister(&gx_clkctl_kaanapali_driver);
> +}
> +module_exit(gx_clkctl_kaanapali_exit);
> +
> +MODULE_DESCRIPTION("QTI GFXCLKCTL KAANAPALI Driver");
> +MODULE_LICENSE("GPL");
> 
> -- 
> 2.25.1
> 



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