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ARM: OMAP: Pass logical DMA channel number always to callback handlers 

This makes parameter passing to DMA handlers uniform between non-chained
and chained transfers and makes debugging easier. Additional data like
chain_id can be always passed to handlers via callback data if needed.

Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Jarkko Nikula 2008-02-13 11:47:29 +02:00 committed by Tony Lindgren
parent 29e8c3c304
commit 538528de0c
1 changed files with 2 additions and 8 deletions
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10
arch/arm/plat-omap/dma.c
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@ -1705,14 +1705,8 @@ static int omap2_dma_handle_ch(int ch)
status = OMAP_DMA_CSR_REG(ch);
}
if (likely(dma_chan[ch].callback != NULL)) {
if (dma_chan[ch].chain_id != -1)
dma_chan[ch].callback(dma_chan[ch].chain_id, status,
dma_chan[ch].data);
else
dma_chan[ch].callback(ch, status, dma_chan[ch].data);
}
if (likely(dma_chan[ch].callback != NULL))
dma_chan[ch].callback(ch, status, dma_chan[ch].data);
OMAP_DMA_CSR_REG(ch) = status;