This is a note to let you know that I've just added the patch titled
spi: pl022: Fix incorrect dma_unmap_sg
to the 3.17-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:
spi-pl022-fix-incorrect-dma_unmap_sg.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 3ffa6158f002e096d28ede71be4e0ee8ab20baa2 Mon Sep 17 00:00:00 2001
From: Ray Jui <rjui@xxxxxxxxxxxx>
Date: Thu, 9 Oct 2014 11:44:54 -0700
Subject: spi: pl022: Fix incorrect dma_unmap_sg
From: Ray Jui <rjui@xxxxxxxxxxxx>
commit 3ffa6158f002e096d28ede71be4e0ee8ab20baa2 upstream.
When mapped RX DMA entries are unmapped in an error condition when DMA
is firstly configured in the driver, the number of TX DMA entries was
passed in, which is incorrect
Signed-off-by: Ray Jui <rjui@xxxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/spi/spi-pl022.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -1074,7 +1074,7 @@ err_rxdesc:
pl022->sgt_tx.nents, DMA_TO_DEVICE);
err_tx_sgmap:
dma_unmap_sg(rxchan->device->dev, pl022->sgt_rx.sgl,
- pl022->sgt_tx.nents, DMA_FROM_DEVICE);
+ pl022->sgt_rx.nents, DMA_FROM_DEVICE);
err_rx_sgmap:
sg_free_table(&pl022->sgt_tx);
err_alloc_tx_sg:
Patches currently in stable-queue which might be from rjui@xxxxxxxxxxxx are
queue-3.17/spi-pl022-fix-incorrect-dma_unmap_sg.patch
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