tile: use pmd_pfn() instead of casting via pte_t

[cascardo/linux.git] / arch / arm / common / edma.c

diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c
index 39ad030..117f955 100644 (file)
--- a/arch/arm/common/edma.c
+++ b/arch/arm/common/edma.c
@@ -1235,6 +1235,23 @@ void edma_resume(unsigned channel)
 }
 EXPORT_SYMBOL(edma_resume);
 
+int edma_trigger_channel(unsigned channel)
+{
+       unsigned ctlr;
+       unsigned int mask;
+
+       ctlr = EDMA_CTLR(channel);
+       channel = EDMA_CHAN_SLOT(channel);
+       mask = BIT(channel & 0x1f);
+
+       edma_shadow0_write_array(ctlr, SH_ESR, (channel >> 5), mask);
+
+       pr_debug("EDMA: ESR%d %08x\n", (channel >> 5),
+                edma_shadow0_read_array(ctlr, SH_ESR, (channel >> 5)));
+       return 0;
+}
+EXPORT_SYMBOL(edma_trigger_channel);
+
 /**
  * edma_start - start dma on a channel
  * @channel: channel being activated