Hi, On Sun, Aug 14, 2011 at 07:50:46PM +0200, Per Forlin wrote: > On 12 August 2011 11:41, Felipe Balbi <balbi@xxxxxx> wrote: > > Hi, > > > > On Mon, Aug 08, 2011 at 01:01:06PM +0200, Per Forlin wrote: > >> From: Per Forlin <per.forlin@xxxxxxxxxx> > >> > >> Skip the use of work queue and call musb_dma_completion() directly from > >> DMA callback context. > >> > >> Here follows measurements on a Snowball board with ondemand governor active. > >> > >> Performance using work queue: > >> (105 MB) copied, 6.23758 s, 16.8 MB/s > >> (105 MB) copied, 5.7151 s, 18.3 MB/s > >> (105 MB) copied, 5.83583 s, 18.0 MB/s > >> (105 MB) copied, 5.93611 s, 17.7 MB/s > >> > >> Performance without work queue > >> (105 MB) copied, 5.62173 s, 18.7 MB/s > >> (105 MB) copied, 5.61811 s, 18.7 MB/s > >> (105 MB) copied, 5.57817 s, 18.8 MB/s > >> (105 MB) copied, 5.58549 s, 18.8 MB/s > >> > >> Signed-off-by: Per Forlin <per.forlin@xxxxxxxxxx> > >> Acked-by: Mian Yousaf Kaukab<mian.yousaf.kaukab@xxxxxxxxxxxxxx> > > > > this patch doesn't apply anymore: > > > > $ patch -p1 --dry-run < ~/apply.diff > > patching file drivers/usb/musb/ux500_dma.c > > Hunk #2 FAILED at 55. > > Hunk #3 succeeded at 325 (offset -4 lines). > > Hunk #4 succeeded at 341 (offset -4 lines). > > Hunk #5 succeeded at 367 (offset -4 lines). > > 1 out of 5 hunks FAILED -- saving rejects to file drivers/usb/musb/ux500_dma.c.rej > > > > care to rebase on top of 3.1-rc1. Thanks > > > I can apply the patch on top of 3.1-rc1 but it has dependency to the > patches I posted recently. This is the order the patches apply: > 0001-usb-musb-ux500-set-dma-config-for-both-src-and-dst.patch > 0002-usb-musb-ux500-replace-missing-DBG-with-dev_dbg.patch > 0003-usb-musb-ux500-optimize-DMA-callback-routine.patch > > Please let me know if I should reorder the patches. I can resend all > three in one patchset. ok, please see if you can drop the dependency between them. $SUBJECT isn't a fix and as such should go on next merge window. -- balbi
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