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[3.13.y-ckt,stable] Patch "ARM: common: edma: Fix channel parameter for irq callbacks" has been added to staging queue

Message ID 1449096795-19950-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa Dec. 2, 2015, 10:53 p.m. UTC 
This is a note to let you know that I have just added a patch titled

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

to the linux-3.13.y-queue branch of the 3.13.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.13.y-queue

This patch is scheduled to be released in version 3.13.11-ckt31.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.13.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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From 1b88a6958d9240493ad4a51f2d917032c0c5b533 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@ti.com>
Date: Wed, 14 Oct 2015 14:42:43 +0300
Subject: 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: Kamal Mostafa <kamal@canonical.com>
---
 arch/arm/common/edma.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--
1.9.1
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Patch

diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c
index 5339009..4873697 100644
--- a/arch/arm/common/edma.c
+++ b/arch/arm/common/edma.c
@@ -404,7 +404,8 @@  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);
@@ -458,7 +459,8 @@  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);