linux-kernel - Re: [PATCH] clk: clk_set_parent() with current parent shouldn't fail

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]

Date:	Tue, 03 Feb 2015 10:42:34 +0100
From:	Philipp Zabel <p.zabel@...gutronix.de>
To:	Stephen Boyd <sboyd@...eaurora.org>
Cc:	Mike Turquette <mturquette@...aro.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: clk_set_parent() with current parent shouldn't fail

Am Montag, den 02.02.2015, 14:11 -0800 schrieb Stephen Boyd:
> If a driver calls clk_set_parent(clk, parent) and parent is the
> current parent of clk we shouldn't fail in any case.
> Unfortunately if clk is a read-only mux we return -ENOSYS
> because we think we can't change the parent, except for in this
> special case where we don't actually need to change the parent at
> all. Return 0 in such a situation.
> 
> Cc: Philipp Zabel <p.zabel@...gutronix.de>
> Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>

Acked-by: Philipp Zabel <p.zabel@...gutronix.de>

regards
Philipp

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/