forked from luck/tmp_suning_uos_patched
5e34b49756
commit 2112b8f4fb5cc35d1c384324763765953186b81f upstream.
When setting DMA_INTERRUPT capability, a callback function
dma->device_prep_dma_interrupt() is needed to support this capability.
Without setting the callback, dma_async_device_register() will fail dma
capability check.
Fixes: 4e5a4eb20393 ("dmaengine: idxd: set DMA_INTERRUPT cap bit")
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/165101232637.3951447.15765792791591763119.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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|---|---|---|
| .. | ||
| cdev.c | ||
| device.c | ||
| dma.c | ||
| idxd.h | ||
| init.c | ||
| irq.c | ||
| Makefile | ||
| registers.h | ||
| submit.c | ||
| sysfs.c | ||