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mxc : Clean up properly when imx_dma_free() used without imx_dma_disable()

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The sequence
	imx_dma_request()
	imx_dma_enable()
	imx_dma_free()
left the dma channel in_use mode and did not release the timer.

Signed-off-by: Martin Fuzzey <mfuzzey@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Martin Fuzzey 2009-03-26 22:21:16 +01:00 committed by Sascha Hauer
parent b4348f32da
commit de0096d809
1 changed files with 1 additions and 4 deletions
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5
arch/arm/plat-mxc/dma-mx1-mx2.c
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@ -737,10 +737,7 @@ void imx_dma_free(int channel)
local_irq_save(flags);
/* Disable interrupts */
__raw_writel(__raw_readl(DMA_BASE + DMA_DIMR) | (1 << channel),
DMA_BASE + DMA_DIMR);
__raw_writel(__raw_readl(DMA_BASE + DMA_CCR(channel)) & ~CCR_CEN,
DMA_BASE + DMA_CCR(channel));
imx_dma_disable(channel);
imxdma->name = NULL;
#ifdef CONFIG_ARCH_MX2