linux-kernel - Re: [PATCH v2 1/2] clk: vt8500: fix gcc-4.9 warnings

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Date:	Mon, 20 Jun 2016 17:48:44 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Roman Volkov <v1ron@...l.ru>
Cc:	Arnd Bergmann <arnd@...db.de>, linux-clk@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Michael Turquette <mturquette@...libre.com>,
	Roman Volkov <rvolkov@...os.org>,
	Tony Prisk <linux@...sktech.co.nz>
Subject: Re: [PATCH v2 1/2] clk: vt8500: fix gcc-4.9 warnings

On 06/08, Roman Volkov wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> This fixes some false positive warnings we get with older compiler
> versions:
> 
> clk-vt8500.c: In function ‘wm8650_find_pll_bits’:
> clk-vt8500.c:430:12: ‘best_div2’ may be used uninitialized in this function
> clk-vt8500.c:429:12: ‘best_div1’ may be used uninitialized in this function
> clk-vt8500.c:428:14: ‘best_mul’ may be used uninitialized in this function
> clk-vt8500.c: In function ‘wm8750_find_pll_bits’:
> clk-vt8500.c:509:12: ‘best_div2’ may be used uninitialized in this function
> clk-vt8500.c:508:12: ‘best_div1’ may be used uninitialized in this function
> clk-vt8500.c:507:14: ‘best_mul’ may be used uninitialized in this function
> clk-vt8500.c: In function ‘wm8850_find_pll_bits’:
> clk-vt8500.c:560:12: ‘best_div2’ may be used uninitialized in this function
> clk-vt8500.c:559:12: ‘best_div1’ may be used uninitialized in this function
> clk-vt8500.c:558:14: ‘best_mul’ may be used uninitialized in this function
> 
> As the local variables are only use for temporaries, we can just
> as well assign the final values directly, which also makes the
> code slightly shorter.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Signed-off-by: Roman Volkov <rvolkov@...os.org>
> ---

Applied to clk-next

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