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| author | Pavel Pisa <ppisa@pikron.com> | 2006-06-22 22:21:03 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-06-22 22:21:03 +0100 |
| commit | fa3e686a34f4c33de31a128cc36def0b466bfe1a (patch) | |
| tree | 7fb7bccf367a6d796fcf5751e5b3d901cbe91818 /include/asm-arm/arch-imx | |
| parent | e22b04fb6b1689aee208b65966fa9fb19e098006 (diff) | |
| download | linux-3.10-fa3e686a34f4c33de31a128cc36def0b466bfe1a.tar.gz linux-3.10-fa3e686a34f4c33de31a128cc36def0b466bfe1a.tar.bz2 linux-3.10-fa3e686a34f4c33de31a128cc36def0b466bfe1a.zip | |
[ARM] 3601/1: i.MX/MX1 DMA error handling for signaled channels only
Patch from Pavel Pisa
There has been bug, that dma_err_handler() touches even
channels not signaling error condition.
Problem noticed by Andrea Paterniani.
Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/arch-imx')
| -rw-r--r-- | include/asm-arm/arch-imx/imx-dma.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/asm-arm/arch-imx/imx-dma.h b/include/asm-arm/arch-imx/imx-dma.h index f2063c1d610..599f03e5a9e 100644 --- a/include/asm-arm/arch-imx/imx-dma.h +++ b/include/asm-arm/arch-imx/imx-dma.h @@ -46,7 +46,7 @@ struct imx_dma_channel { const char *name; void (*irq_handler) (int, void *, struct pt_regs *); - void (*err_handler) (int, void *, struct pt_regs *); + void (*err_handler) (int, void *, struct pt_regs *, int errcode); void *data; dmamode_t dma_mode; struct scatterlist *sg; @@ -58,6 +58,10 @@ struct imx_dma_channel { extern struct imx_dma_channel imx_dma_channels[IMX_DMA_CHANNELS]; +#define IMX_DMA_ERR_BURST 1 +#define IMX_DMA_ERR_REQUEST 2 +#define IMX_DMA_ERR_TRANSFER 4 +#define IMX_DMA_ERR_BUFFER 8 /* The type to distinguish channel numbers parameter from ordinal int type */ typedef int imx_dmach_t; @@ -74,7 +78,7 @@ imx_dma_setup_sg(imx_dmach_t dma_ch, int imx_dma_setup_handlers(imx_dmach_t dma_ch, void (*irq_handler) (int, void *, struct pt_regs *), - void (*err_handler) (int, void *, struct pt_regs *), void *data); + void (*err_handler) (int, void *, struct pt_regs *, int), void *data); void imx_dma_enable(imx_dmach_t dma_ch); |