dma: mv_xor: Reduce interrupts by enabling EOD only when needed
This commit unmasks the end-of-chain interrupt and removes the
end-of-descriptor command setting on all transactions, except those
explicitly flagged with DMA_PREP_INTERRUPT.
This allows to raise an interrupt only on chain completion, instead of
on each descriptor completion, which reduces interrupt count.
Signed-off-by: Lior Amsalem <alior@marvell.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/drivers/dma/mv_xor.h b/drivers/dma/mv_xor.h
index ae41c31..21b0828 100644
--- a/drivers/dma/mv_xor.h
+++ b/drivers/dma/mv_xor.h
@@ -67,7 +67,7 @@
XOR_INT_ERR_WRPROT | XOR_INT_ERR_OWN | \
XOR_INT_ERR_PAR | XOR_INT_ERR_MBUS)
-#define XOR_INTR_MASK_VALUE (XOR_INT_END_OF_DESC | \
+#define XOR_INTR_MASK_VALUE (XOR_INT_END_OF_DESC | XOR_INT_END_OF_CHAIN | \
XOR_INT_STOPPED | XOR_INTR_ERRORS)
#define WINDOW_BASE(w) (0x50 + ((w) << 2))