Commit d41e8009 authored by Mike Frysinger's avatar Mike Frysinger Committed by Bryan Wu
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Blackfin arch: dma code: cannot simply OR the ndsize 



cannot simply OR the ndsize ... need to clear out the old value first

Signed-off-by: default avatarMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent b6498391

arch/blackfin/include/asm/dma.h

+3 −1
Original line number Diff line number Diff line
@@ -205,7 +205,9 @@ static inline unsigned long get_dma_curr_addr(unsigned int channel) 


static inline void set_dma_sg(unsigned int channel, struct dmasg *sg, int ndsize)

{

	dma_ch[channel].regs->cfg |= ((ndsize & 0x0F) << 8);

	dma_ch[channel].regs->cfg =

		(dma_ch[channel].regs->cfg & ~(0xf << 8)) |

		((ndsize & 0xf) << 8);

	dma_ch[channel].regs->next_desc_ptr = sg;

}