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e680b672a2
Fix synchronization issues found during testing using multiple DMA transfer requests to the same channel: - lost MSI-X interrupt notifications - non-synchronized attempts to start DMA channel HW resulting in error message from the driver - cookie tracking/update race conditions resulting in incorrect DMA transfer status report Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com> Reported-by: Barry Wood <barry.wood@idt.com> Tested-by: Barry Wood <barry.wood@idt.com> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: Aurelien Jacquiot <a-jacquiot@ti.com> Cc: Andre van Herk <andre.van.herk@prodrive-technologies.com> Cc: Barry Wood <barry.wood@idt.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| Kconfig | ||
| Makefile | ||
| tsi721_dma.c | ||
| tsi721.c | ||
| tsi721.h | ||