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remarkable-linux/drivers/dma
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Russell King - ARM Linux 8087aacda0 ARM: PL08x: introduce 'phychan_hold' to hold on to physical channels 
Introduce 'phychan_hold' to hold on to physical DMA channels while we're
preparing a new descriptor for it.  This will be incremented when we
allocate a physical channel and set the MUX registers during the
preparation of the TXD, and will only be decremented when the TXD is
submitted.

This prevents the physical channel being given up before the new TXD
is placed on the queue.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2011-01-04 19:16:14 -08:00
..
ioat ioat2: fix performance regression 2010-10-13 15:43:10 -07:00
ipu DMAENGINE: extend the control command to include an arg 2010-05-17 16:30:42 -07:00
ppc4xx of/device: Replace struct of_device with struct platform_device 2010-08-06 09:25:50 -06:00
amba-pl08x.c ARM: PL08x: introduce 'phychan_hold' to hold on to physical channels 2011-01-04 19:16:14 -08:00
at_hdmac.c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx 2010-08-09 21:00:07 -07:00
at_hdmac_regs.h at_hdmac: implement a private tx_list 2009-09-08 17:53:03 -07:00
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
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
dmaengine.c async_tx: make async_tx channel switching opt-in 2010-10-07 17:08:32 -07:00
dmatest.c dma: dmatest: fix potential sign bug 2010-08-04 14:27:47 -07:00
dw_dmac.c DMAENGINE: extend the control command to include an arg 2010-05-17 16:30:42 -07:00
dw_dmac_regs.h dw_dmac: implement a private tx_list 2009-09-08 17:53:02 -07:00
fsldma.c fsldma: improved DMA_SLAVE support 2010-10-07 14:41:41 -07:00
fsldma.h fsldma: major cleanups and fixes 2010-02-02 14:51:42 -07:00
imx-dma.c dma: imx-dma: fix signedness bug 2010-10-22 11:08:27 -07:00
imx-sdma.c dmaengine: Add Freescale i.MX SDMA support 2010-10-05 15:49:26 -07:00
intel_mid_dma.c intel_mid_dma: change the slave interface 2010-10-07 15:03:44 -07:00
intel_mid_dma_regs.h intel_mid_dma: change the slave interface 2010-10-07 15:03:44 -07:00
iop-adma.c Merge branch 'ioat' into dmaengine 2010-05-17 16:30:58 -07:00
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 drivers/dma/Kconfig: add part number for Topcliff. 2010-10-29 14:14:02 -07:00
Makefile Merge branches 'dma40', 'pl08x', 'fsldma', 'imx' and 'intel-mid' into dmaengine 2010-10-07 15:19:01 -07:00
mpc512x_dma.c of/device: Replace struct of_device with struct platform_device 2010-08-06 09:25:50 -06:00
mv_xor.c dmaengine: fix interrupt clearing for mv_xor 2010-09-23 14:14:22 -07:00
mv_xor.h mv_xor: implement a private tx_list 2009-09-08 17:53:03 -07:00
pch_dma.c NULL-terminate all pci_device_id tables 2010-10-27 20:33:05 +10:30
pl330.c DMA: PL330: Add dma api driver 2010-05-23 20:28:19 -07:00
shdma.c dma/shdma: move dereference below the NULL check 2010-09-22 15:29:17 -07:00
shdma.h dmaengine: shdma: Introduce include/linux/sh_dma.h 2010-03-23 17:20:06 +09:00
ste_dma40.c Merge branch 'dma40' into dmaengine 2010-10-19 15:34:26 -07:00
ste_dma40_ll.c ste_dma40: remove enum for endianess 2010-10-19 15:17:07 -07:00
ste_dma40_ll.h ste_dma40: move mode_opt to separate config 2010-10-19 15:17:07 -07:00
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