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rapidio/tsi721_dma: fix pending transaction queue handling

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Fix pending DMA request queue handling to avoid broken ordering during
concurrent request submissions.

Signed-off-by: Alexandre Bounine <alexandre.bounine@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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexandre Bounine
2016-03-22 14:25:57 -07:00
committed by Linus Torvalds
parent 9673b883c2
commit d2a321f37e
2 changed files with 33 additions and 31 deletions
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2
drivers/rapidio/devices/tsi721.h
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@@ -674,7 +674,7 @@ struct tsi721_bdma_chan {
struct dma_chan dchan;
struct tsi721_tx_desc *tx_desc;
spinlock_t lock;
struct list_head active_list;
struct tsi721_tx_desc *active_tx;
struct list_head queue;
struct list_head free_list;
struct tasklet_struct tasklet;