[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>

diff --git a/include/asm-sparc64/parport.h b/include/asm-sparc64/parport.h
index b7e6355..56b5197 100644 (file)
--- a/include/asm-sparc64/parport.h
+++ b/include/asm-sparc64/parport.h
@@ -27,12 +27,12 @@ static struct sparc_ebus_info {
 
 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,
                             sparc_ebus_dmas[dmanr].addr,
                             sparc_ebus_dmas[dmanr].count))
                BUG();
-
-       ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 1);
 }
 
 static __inline__ void disable_dma(unsigned int dmanr)