linux-kernel - Re: [PATCH v2] dmaengine: sun4i: fix invalid argument

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Message-ID: <20170421144027.oll2x3tbb3lwiyfo@lukather>
Date:   Fri, 21 Apr 2017 16:40:27 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Mason <slash.tmp@...e.fr>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Russell King <rmk@...linux.org.uk>,
        Vinod Koul <vinod.koul@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        linux-next <linux-next@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        arm-soc <arm@...nel.org>, Emilio Lopez <emilio@...pez.com.ar>,
        dmaengine@...r.kernel.org, Chen-Yu Tsai <wens@...e.org>
Subject: Re: [PATCH v2] dmaengine: sun4i: fix invalid argument

On Fri, Apr 21, 2017 at 10:43:20AM +0200, Mason wrote:
> From: Marc Gonzalez <marc_gonzalez@...madesigns.com>
> 
> The "pchans_used" field is an unsigned long array.
> 
> for_each_clear_bit_from() expects an unsigned long pointer,
> not an array address.
> 
> $ make C=2 drivers/dma/sun4i-dma.o
>   CHECK   drivers/dma/sun4i-dma.c
> drivers/dma/sun4i-dma.c:241:9: warning: incorrect type in argument 1 (different base types)
> drivers/dma/sun4i-dma.c:241:9:    expected unsigned long const *p
> drivers/dma/sun4i-dma.c:241:9:    got unsigned long ( *<noident> )[1]
> 
> Signed-off-by: Marc Gonzalez <marc_gonzalez@...madesigns.com>

Acked-by: Maxime Ripard <maxime.ripard@...e-electrons.com>

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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