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dmaengine: uniphier-xdmac: Use readl_poll_timeout_atomic() in atomic state 

The function uniphier_xdmac_chan_stop() is only called in atomic state.
Should use readl_poll_timeout_atomic() there instead of
readl_poll_timeout().

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 667b925144 ("dmaengine: uniphier-xdmac: Add UniPhier external DMA controller driver")
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/1627364852-28432-1-git-send-email-hayashi.kunihiko@socionext.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Kunihiko Hayashi 2021-07-27 14:47:32 +09:00 committed by Vinod Koul
parent 6b4b87f2c3
commit 55f24c27b6
1 changed files with 2 additions and 2 deletions
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4
drivers/dma/uniphier-xdmac.c
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@ -209,8 +209,8 @@ static int uniphier_xdmac_chan_stop(struct uniphier_xdmac_chan *xc)
writel(0, xc->reg_ch_base + XDMAC_TSS);
/* wait until transfer is stopped */
return readl_poll_timeout(xc->reg_ch_base + XDMAC_STAT, val,
!(val & XDMAC_STAT_TENF), 100, 1000);
return readl_poll_timeout_atomic(xc->reg_ch_base + XDMAC_STAT, val,
!(val & XDMAC_STAT_TENF), 100, 1000);
}
/* xc->vc.lock must be held by caller */