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: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Родитель
b649839192
Коммит
d41e800999
|
@ -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;
|
||||
}
|
||||
|
||||
|
|
Загрузка…
Ссылка в новой задаче