From: Peter Ujfalusi <peter.ujfalusi@ti.com>
Date: Wed, 14 Oct 2015 11:42:43 +0000 (+0300)
Subject: ARM: common: edma: Fix channel parameter for irq callbacks
X-Git-Tag: v4.2.7~94
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=39a54dd06a321729fd0f1d897d99ed34d1f645eb;p=thirdparty%2Fkernel%2Fstable.git

ARM: common: edma: Fix channel parameter for irq callbacks

commit 696d8b70c09dd421c4d037fab04341e5b30585cf upstream.

In case when the interrupt happened for the second eDMA the channel
number was incorrectly passed to the client driver.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c
index 873dbfcc7dc9d..56fc339571f92 100644
--- a/arch/arm/common/edma.c
+++ b/arch/arm/common/edma.c
@@ -406,7 +406,8 @@ static irqreturn_t dma_irq_handler(int irq, void *data)
 					BIT(slot));
 			if (edma_cc[ctlr]->intr_data[channel].callback)
 				edma_cc[ctlr]->intr_data[channel].callback(
-					channel, EDMA_DMA_COMPLETE,
+					EDMA_CTLR_CHAN(ctlr, channel),
+					EDMA_DMA_COMPLETE,
 					edma_cc[ctlr]->intr_data[channel].data);
 		}
 	} while (sh_ipr);
@@ -460,7 +461,8 @@ static irqreturn_t dma_ccerr_handler(int irq, void *data)
 					if (edma_cc[ctlr]->intr_data[k].
 								callback) {
 						edma_cc[ctlr]->intr_data[k].
-						callback(k,
+						callback(
+						EDMA_CTLR_CHAN(ctlr, k),
 						EDMA_DMA_CC_ERROR,
 						edma_cc[ctlr]->intr_data
 						[k].data);