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dc8d409157
linux/drivers/dma
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Ira Snyder dc8d409157 fsldma: reduce locking during descriptor cleanup 
This merges the fsl_chan_ld_cleanup() function into the dma_do_tasklet()
function to reduce locking overhead. In the best case, we will be able
to keep the DMA controller busy while we are freeing used descriptors.
In all cases, the spinlock is grabbed two times fewer than before on
each transaction.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2011-03-11 17:52:37 -08:00
..
ioat drivers/dma/ioat: Use the ccflag-y instead of EXTRA_CFLAGS 2010-12-04 15:03:06 -08:00
ipu dma: ipu_idmac: do not lose valid received data in the irq handler 2011-02-14 02:28:16 -08:00
ppc4xx drivers/dma/ppc4xx: Use printf extension %pR for struct resource 2010-12-04 15:03:40 -08:00
amba-pl08x.c DMA: PL08x: fix channel pausing to timeout rather than lockup 2011-01-30 22:03:47 -08:00
at_hdmac_regs.h at_hdmac: implement a private tx_list 2009-09-08 17:53:03 -07:00
at_hdmac.c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx 2011-01-17 10:54:41 -08:00
coh901318_lli.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
coh901318_lli.h tree-wide: Assorted spelling fixes 2010-02-09 11:13:56 +01:00
coh901318.c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx 2010-10-27 19:04:36 -07:00
dmaengine.c async_tx: make async_tx channel switching opt-in 2010-10-07 17:08:32 -07:00
dmatest.c dmatest: fix automatic buffer unmap type 2011-03-11 17:52:35 -08:00
dw_dmac_regs.h dmaengine/dw_dmac fix: use readl & writel instead of __raw_readl & __raw_writel 2011-03-07 01:12:28 +05:30
dw_dmac.c dw_dmac: Setting Default Burst length for transfers as 16. 2011-03-07 01:12:28 +05:30
fsldma.c fsldma: reduce locking during descriptor cleanup 2011-03-11 17:52:37 -08:00
fsldma.h fsldma: fix controller lockups 2011-03-11 17:52:36 -08:00
imx-dma.c dmaengine i.MX dma: initialize dma capabilities outside channel loop 2011-01-31 12:36:23 +01:00
imx-sdma.c Merge branch 'imx' into dmaengine-fixes 2011-02-14 02:40:46 -08:00
intel_mid_dma_regs.h intel_mid_dma: change the slave interface 2010-10-07 15:03:44 -07:00
intel_mid_dma.c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx 2011-01-17 10:54:41 -08:00
iop-adma.c Update CONFIG_MD_RAID6_PQ to CONFIG_RAID6_PQ in drivers/dma/iop-adma.c 2011-01-14 17:58:12 -08:00
iovlock.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
Kconfig dw_dmac: Remove compilation dependency from AVR32 and put on HAVE_CLK 2011-03-07 01:12:27 +05:30
Makefile dmaengine: mxs-dma: add dma support for i.MX23/28 2011-03-02 07:06:27 +05:30
mpc512x_dma.c powerpc/512x: try to free dma descriptors in case of allocation failure 2010-12-29 22:29:36 -07:00
mv_xor.c mv_xor: fix race in tasklet function 2011-01-03 01:39:26 -08:00
mv_xor.h mv_xor: implement a private tx_list 2009-09-08 17:53:03 -07:00
mxs-dma.c dmaengine: mxs-dma: add dma support for i.MX23/28 2011-03-02 07:06:27 +05:30
pch_dma.c drivers, pch_dma: Fix warning when CONFIG_PM=n. 2011-03-07 01:26:50 +05:30
pl330.c DMA: PL330: Add dma api driver 2010-05-23 20:28:19 -07:00
shdma.c dma: shdma: don't register the global die notifier multiple times 2011-01-07 11:03:26 +09:00
shdma.h dma: shdma: NMI support. 2010-12-17 19:16:10 +09:00
ste_dma40_ll.c dma40: cyclic xfer support 2011-01-30 22:27:21 -08:00
ste_dma40_ll.h dma40: cyclic xfer support 2011-01-30 22:27:21 -08:00
ste_dma40.c dma40: cyclic xfer support 2011-01-30 22:27:21 -08:00
timb_dma.c dma/timberdale: simplify conditional 2010-10-19 15:20:11 -07:00
txx9dmac.c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx 2010-05-21 17:05:46 -07:00
txx9dmac.h txx9dmac: implement a private tx_list 2009-09-08 17:53:03 -07:00