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[SPARC64]: Fix enable_dma() in asm-sparc64/parport.h 

Call ebus_dma_enable() before calling ebus_dma_request(), otherwise
ebus_dma_request() returns -EINVAL and enable_dma() calls BUG()...

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eddie C. Dost 2005-07-06 15:41:54 -07:00 committed by David S. Miller
parent 9d7495330b
commit e3e01d6005
1 changed files with 2 additions and 2 deletions
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4
include/asm-sparc64/parport.h
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@ -27,12 +27,12 @@ static struct sparc_ebus_info {
static __inline__ void enable_dma(unsigned int dmanr) static __inline__ void enable_dma(unsigned int dmanr)
{ {
ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 1);
if (ebus_dma_request(&sparc_ebus_dmas[dmanr].info, if (ebus_dma_request(&sparc_ebus_dmas[dmanr].info,
sparc_ebus_dmas[dmanr].addr, sparc_ebus_dmas[dmanr].addr,
sparc_ebus_dmas[dmanr].count)) sparc_ebus_dmas[dmanr].count))
BUG(); BUG();
ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 1);
} }
static __inline__ void disable_dma(unsigned int dmanr) static __inline__ void disable_dma(unsigned int dmanr)