linux-kernel - Re: [PATCH 2/2] clk: pxa: fix pxa2xx_determine

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Date:   Wed, 9 Nov 2016 12:04:44 -0800
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Michael Turquette <mturquette@...libre.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] clk: pxa: fix pxa2xx_determine_rate return

On 11/08, Arnd Bergmann wrote:
> The new pxa2xx_determine_rate() function seems lacking in a few
> regards:
> 
> - For an exact match or no match at all, the rate is uninitialized
>   as reported by gcc -Wmaybe-unintialized:
>    drivers/clk/pxa/clk-pxa.c: In function 'pxa2xx_determine_rate':
>    drivers/clk/pxa/clk-pxa.c:243:5: error: 'rate' may be used uninitialized in this function
> 
> - If we get a non-exact match, the req->rate output is never set
>   to the actual rate but remains at the requested rate.
> 
> - We should not attempt to print a rate if none could be found
> 
> This rewrites the logic accordingly.
> 
> Fixes: 9fe694295098 ("clk: pxa: transfer CPU clock setting from pxa2xx-cpufreq")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---

Applied to clk-next

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