[3.13.y-ckt stable] Patch "ARM: common: edma: Fix channel parameter for irq callbacks" has been added to staging queue
Kamal Mostafa
kamal at canonical.com
Wed Dec 2 22:53:15 UTC 2015
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
------
>From 1b88a6958d9240493ad4a51f2d917032c0c5b533 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi at 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 at ti.com>
Signed-off-by: Vinod Koul <vinod.koul at intel.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
arch/arm/common/edma.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
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);
--
1.9.1
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