linux-kernel - Re: [PATCH] clk: rockchip: fix finding of maximum clock ID

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: <Zufezf_lr7GlYm6u@pineapple>
Date: Mon, 16 Sep 2024 07:31:25 +0000
From: Yao Zi <ziyao@...root.org>
To: Sebastian Reichel <sebastian.reichel@...labora.com>,
	Heiko Stuebner <heiko@...ech.de>
Cc: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>, linux-clk@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: rockchip: fix finding of maximum clock ID

On Sat, Sep 14, 2024 at 08:48:53AM +0200, Sebastian Reichel wrote:
> Hi,
> 
> On Thu, Sep 12, 2024 at 01:32:05PM GMT, Yao Zi wrote:
> > If an ID of a branch's child is greater than current maximum, we should
> > set new maximum to the child's ID, instead of its parent's.
> > 
> > Fixes: 2dc66a5ab2c6 ("clk: rockchip: rk3588: fix CLK_NR_CLKS usage")
> > Signed-off-by: Yao Zi <ziyao@...root.org>
> > ---
> 
> Reviewed-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> 
> oops, good catch. Note, that the function returns the correct value
> for RK3588, since the clocks with the highest IDs are of GATE_LINK
> type and do not have their child field set.

yes, but it does hit me when working for rk3528 clock controller unit.

> I have not checked all
> the Rockchip SoCs converted for 6.12, so I suggest sending this as
> fixes material for 6.12.

I have done a rough check and think no code in 6.11 release is affected.

> 
> Greetings,
> 
> -- Sebastian

Cheers,
Yao Zi