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Date: Fri, 21 Apr 2017 10:43:20 +0200 From: Mason <slash.tmp@...e.fr> To: Maxime Ripard <maxime.ripard@...e-electrons.com> 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: [PATCH v2] dmaengine: sun4i: fix invalid argument 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> --- drivers/dma/sun4i-dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/sun4i-dma.c b/drivers/dma/sun4i-dma.c index 57aa227bfadb..f4ed3f17607c 100644 --- a/drivers/dma/sun4i-dma.c +++ b/drivers/dma/sun4i-dma.c @@ -238,7 +238,7 @@ static struct sun4i_dma_pchan *find_and_use_pchan(struct sun4i_dma_dev *priv, } spin_lock_irqsave(&priv->lock, flags); - for_each_clear_bit_from(i, &priv->pchans_used, max) { + for_each_clear_bit_from(i, priv->pchans_used, max) { pchan = &pchans[i]; pchan->vchan = vchan; set_bit(i, priv->pchans_used); -- 3.14159
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