linux-kernel - Re: [PATCH 3/3] clk: qcom: smd-rpm: Drop binary value handling for buffered clock

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

Message-ID: <Ya4rtHSS1tLm7Gbi@builder.lan>
Date:   Mon, 6 Dec 2021 09:26:44 -0600
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Shawn Guo <shawn.guo@...aro.org>
Cc:     Stephen Boyd <sboyd@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] clk: qcom: smd-rpm: Drop binary value handling for
 buffered clock

On Sat 30 Oct 21:07 CDT 2021, Shawn Guo wrote:

> The buffered clock binary value handling added by commit 36354c32bd76
> ("clk: qcom: smd-rpm: Add .recalc_rate hook for clk_smd_rpm_branch_ops")
> is redundant, because buffered clock is branch type, and the binary
> value handling for branch clock has been handled by
> clk_smd_rpm_prepare/unprepare functions.
> 
> Signed-off-by: Shawn Guo <shawn.guo@...aro.org>

Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>

> ---
>  drivers/clk/qcom/clk-smd-rpm.c | 8 --------
>  1 file changed, 8 deletions(-)
> 
> diff --git a/drivers/clk/qcom/clk-smd-rpm.c b/drivers/clk/qcom/clk-smd-rpm.c
> index dd3d373a1309..ea28e45ca371 100644
> --- a/drivers/clk/qcom/clk-smd-rpm.c
> +++ b/drivers/clk/qcom/clk-smd-rpm.c
> @@ -189,10 +189,6 @@ static int clk_smd_rpm_set_rate_active(struct clk_smd_rpm *r,
>  		.value = cpu_to_le32(DIV_ROUND_UP(rate, 1000)), /* to kHz */
>  	};
>  
> -	/* Buffered clock needs a binary value */
> -	if (r->rpm_res_type == QCOM_SMD_RPM_CLK_BUF_A)
> -		req.value = cpu_to_le32(!!req.value);
> -
>  	return qcom_rpm_smd_write(r->rpm, QCOM_SMD_RPM_ACTIVE_STATE,
>  				  r->rpm_res_type, r->rpm_clk_id, &req,
>  				  sizeof(req));
> @@ -207,10 +203,6 @@ static int clk_smd_rpm_set_rate_sleep(struct clk_smd_rpm *r,
>  		.value = cpu_to_le32(DIV_ROUND_UP(rate, 1000)), /* to kHz */
>  	};
>  
> -	/* Buffered clock needs a binary value */
> -	if (r->rpm_res_type == QCOM_SMD_RPM_CLK_BUF_A)
> -		req.value = cpu_to_le32(!!req.value);
> -
>  	return qcom_rpm_smd_write(r->rpm, QCOM_SMD_RPM_SLEEP_STATE,
>  				  r->rpm_res_type, r->rpm_clk_id, &req,
>  				  sizeof(req));
> -- 
> 2.17.1
>