dmaengine: idma64: set maximum allowed segment size for DMA
This tells, for example, IOMMU what the maximum size of a segment
the DMA controller can send.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/drivers/dma/idma64.h b/drivers/dma/idma64.h
index f6aeff0..8423f13 100644
--- a/drivers/dma/idma64.h
+++ b/drivers/dma/idma64.h
@@ -54,7 +54,8 @@
#define IDMA64C_CTLL_LLP_S_EN (1 << 28) /* src block chain */
/* Bitfields in CTL_HI */
-#define IDMA64C_CTLH_BLOCK_TS(x) ((x) & ((1 << 17) - 1))
+#define IDMA64C_CTLH_BLOCK_TS_MASK ((1 << 17) - 1)
+#define IDMA64C_CTLH_BLOCK_TS(x) ((x) & IDMA64C_CTLH_BLOCK_TS_MASK)
#define IDMA64C_CTLH_DONE (1 << 17)
/* Bitfields in CFG_LO */