linux-kernel - Re: [PATCH] clk: qcom: gcc-x1e80100: Enable runtime PM

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <fda2da11-719b-4552-ab5c-d197c9f29092@oss.qualcomm.com>
Date: Tue, 21 Oct 2025 14:59:21 +0530
From: Taniya Das <taniya.das@....qualcomm.com>
To: Val Packett <val@...kett.cool>, Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: qcom: gcc-x1e80100: Enable runtime PM



On 10/13/2025 4:36 AM, Val Packett wrote:
> Enable the main clock controller driver to participate in runtime
> power management.
> 
> Signed-off-by: Val Packett <val@...kett.cool>
> ---
> Seems like this would be one of the prerequisites for actually reaching
> deeper power states.. I've been running with this patch on a Dell
> Latitude 7455 for quite a while, did not see any harm for sure.
> ---
>  drivers/clk/qcom/gcc-x1e80100.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/clk/qcom/gcc-x1e80100.c b/drivers/clk/qcom/gcc-x1e80100.c
> index 301fc9fc32d8..96bb604c6378 100644
> --- a/drivers/clk/qcom/gcc-x1e80100.c
> +++ b/drivers/clk/qcom/gcc-x1e80100.c
> @@ -6721,6 +6721,7 @@ static const struct qcom_cc_desc gcc_x1e80100_desc = {
>  	.num_resets = ARRAY_SIZE(gcc_x1e80100_resets),
>  	.gdscs = gcc_x1e80100_gdscs,
>  	.num_gdscs = ARRAY_SIZE(gcc_x1e80100_gdscs),
> +	.use_rpm = true,

This is not required to be set for the global clock controller as 'CX'
is the rail powering this clock controller.

>  };
>  
>  static const struct of_device_id gcc_x1e80100_match_table[] = {

-- 
Thanks,
Taniya Das