The patch titled
Subject: rapidio/tsi721_dma: advance queue processing from transfer submit call
has been added to the -mm tree. Its filename is
rapidio-tsi721_dma-advance-queue-processing-from-transfer-submit-call.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/rapidio-tsi721_dma-advance-queue-processing-from-transfer-submit-call.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/rapidio-tsi721_dma-advance-queue-processing-from-transfer-submit-call.patch
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------------------------------------------------------
From: Alexandre Bounine <alexandre.bounine@xxxxxxx>
Subject: rapidio/tsi721_dma: advance queue processing from transfer submit call
Add advancing transfer queue immediately from transfer submit call. DMA
performance improvement: This will start transfer without waiting for
'issue_pending' command if there is no DMA transfer in progress.
Link: http://lkml.kernel.org/r/1469125134-16523-8-git-send-email-alexandre.bounine@xxxxxxx
Signed-off-by: Alexandre Bounine <alexandre.bounine@xxxxxxx>
Cc: Matt Porter <mporter@xxxxxxxxxxxxxxxxxxx>
Cc: Andre van Herk <andre.van.herk@xxxxxxxxxxxxxxxxxxxxxxxxx>
Cc: Barry Wood <barry.wood@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/rapidio/devices/tsi721_dma.c | 1 +
1 file changed, 1 insertion(+)
diff -puN drivers/rapidio/devices/tsi721_dma.c~rapidio-tsi721_dma-advance-queue-processing-from-transfer-submit-call drivers/rapidio/devices/tsi721_dma.c
--- a/drivers/rapidio/devices/tsi721_dma.c~rapidio-tsi721_dma-advance-queue-processing-from-transfer-submit-call
+++ a/drivers/rapidio/devices/tsi721_dma.c
@@ -726,6 +726,7 @@ static dma_cookie_t tsi721_tx_submit(str
cookie = dma_cookie_assign(txd);
desc->status = DMA_IN_PROGRESS;
list_add_tail(&desc->desc_node, &bdma_chan->queue);
+ tsi721_advance_work(bdma_chan, NULL);
spin_unlock_bh(&bdma_chan->lock);
return cookie;
_
Patches currently in -mm which might be from alexandre.bounine@xxxxxxx are
rapidio-add-rapidio-channelized-messaging-driver.patch
rapidio-documentation-fix-mangled-paragraph-in-mport_cdev.patch
rapidio-fix-return-value-description-for-dma_prep-functions.patch
rapidio-tsi721_dma-add-channel-mask-and-queue-size-parameters.patch
rapidio-tsi721-add-pcie-mrrs-override-parameter.patch
rapidio-tsi721-add-messaging-mbox-selector-parameter.patch
rapidio-tsi721_dma-advance-queue-processing-from-transfer-submit-call.patch
rapidio-fix-error-handling-in-mbox-request-release-functions.patch
rapidio-idt_gen2-fix-locking-warning.patch
rapidio-change-inbound-window-size-type-to-u64.patch
rapidio-modify-for-rev3-specification-changes.patch
powerpc-fsl_rio-apply-changes-for-rio-spec-rev-3.patch
rapidio-switches-add-driver-for-idt-gen3-switches.patch
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