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Date: Tue, 10 Jan 2012 15:01:50 +0800 From: Richard Zhao <richard.zhao@...aro.org> To: <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org> CC: <dan.j.williams@...el.com>, <vinod.koul@...el.com>, <shawn.guo@...aro.org>, <kernel@...gutronix.de>, <eric.miao@...aro.org>, <patches@...aro.org>, Richard Zhao <richard.zhao@...aro.org> Subject: [PATCH 6/6] dma/imx-sdma: check whether event_id0 < 32 when set event_mask Signed-off-by: Richard Zhao <richard.zhao@...aro.org> --- drivers/dma/imx-sdma.c | 7 +++++-- 1 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 22fd561..1d5b6ab 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -753,8 +753,11 @@ static int sdma_config_channel(struct sdma_channel *sdmac) if (sdmac->event_id0 > 31) sdmac->watermark_level |= 1 << 30; } else { - sdmac->event_mask0 = 1 << sdmac->event_id0; - sdmac->event_mask1 = 1 << (sdmac->event_id0 - 32); + if (sdmac->event_id0 < 32) + sdmac->event_mask0 = 1 << sdmac->event_id0; + else + sdmac->event_mask1 = + 1 << (sdmac->event_id0 - 32); } /* Watermark Level */ sdmac->watermark_level |= sdmac->watermark_level; -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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