diff options
author | Robin Getz <robin.getz@analog.com> | 2009-04-23 16:56:42 -0400 |
---|---|---|
committer | Mike Frysinger <vapier@gentoo.org> | 2009-06-12 06:11:29 -0400 |
commit | 76068c3c5dee4332f532573b6423d75c3e14f660 (patch) | |
tree | e60cceba55d68303b41685a9f7f7cf50781cc5ca /arch/blackfin | |
parent | bc4d6f36db4b24bf328a5fd70038a2e609b9f028 (diff) |
Blackfin: annotate anomaly 05000119 in core DMA code
Add a reminder note to avoid the DMA_DONE bit in our DMA core code.
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin')
-rw-r--r-- | arch/blackfin/kernel/bfin_dma_5xx.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c index 704419e4da20..763ed84ba459 100644 --- a/arch/blackfin/kernel/bfin_dma_5xx.c +++ b/arch/blackfin/kernel/bfin_dma_5xx.c | |||
@@ -20,6 +20,11 @@ | |||
20 | #include <asm/dma.h> | 20 | #include <asm/dma.h> |
21 | #include <asm/uaccess.h> | 21 | #include <asm/uaccess.h> |
22 | 22 | ||
23 | /* | ||
24 | * To make sure we work around 05000119 - we always check DMA_DONE bit, | ||
25 | * never the DMA_RUN bit | ||
26 | */ | ||
27 | |||
23 | struct dma_channel dma_ch[MAX_DMA_CHANNELS]; | 28 | struct dma_channel dma_ch[MAX_DMA_CHANNELS]; |
24 | EXPORT_SYMBOL(dma_ch); | 29 | EXPORT_SYMBOL(dma_ch); |
25 | 30 | ||