This is a note to let you know that I've just added the patch titled
ARM: common: edma: Fix channel parameter for irq callbacks
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm-common-edma-fix-channel-parameter-for-irq-callbacks.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 696d8b70c09dd421c4d037fab04341e5b30585cf Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <[email protected]>
Date: Wed, 14 Oct 2015 14:42:43 +0300
Subject: ARM: common: edma: Fix channel parameter for irq callbacks
From: Peter Ujfalusi <[email protected]>
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 <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/arm/common/edma.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/arch/arm/common/edma.c
+++ b/arch/arm/common/edma.c
@@ -404,7 +404,8 @@ static irqreturn_t dma_irq_handler(int i
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
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);
Patches currently in stable-queue which might be from [email protected] are
queue-3.14/arm-common-edma-fix-channel-parameter-for-irq-callbacks.patch
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