lkml.org 
[lkml]   [2010]   [May]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [GIT PULL] dmaengine/async_tx update for 2.6.35
From
Date
On Wed, 2010-05-19 at 15:28 -0700, Dan Williams wrote:
> Hi Linus, please pull from:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx.git next
>
> ...to receive:

I think this got overlooked (other pull requests from later in the week
have gone in).

Thanks,
Dan

>
> 1/ Two new dma drivers ste_dma40 and timb_dma.
> 2/ A rework of the existing channel-status and channel-control api's to
> make them more generic/extensible. Hence the touch-ups to existing dma
> drivers and the excursions into drivers/video/, drivers/serial/, and
> sound/.
> 3/ An update to the ioat driver to allow descriptor submission to run
> unlocked against descriptor cleanup.
> 4/ Other cleanups and fixes
>
> There is one more driver to submit, but it depended on the merge of the
> ARM tree and will be sent separately. As you can see below there were a
> few late patches, but they have seen at least one -next release.
>
> Thanks,
> Dan
>
> Dan Williams (6):
> dmaengine: provide helper for setting txstate
> ioat: convert to circ_buf
> ioat2,3: convert to producer/consumer locking
> ioat3: disable cacheline-unaligned transfers for raid operations
> async_tx: trim dma_async_tx_descriptor in 'no channel switch' case
> Merge branch 'ioat' into dmaengine
>
> Jassi Brar (1):
> DMA ENGINE: Do not reset 'private' of channel
>
> Jonas Aaberg (1):
> DMAENGINE: DMA40 support paused channel status
>
> Linus Walleij (6):
> DMAENGINE: COH 901 318 rename confusing vars
> DMAENGINE: COH 901 318 fix bytesleft
> DMAENGINE: generic slave control v2
> DMAENGINE: generic channel status v2
> DMAENGINE: Support for ST-Ericssons DMA40 block v3
> DMAENGINE: extend the control command to include an arg
>
> Marcin Mielczarczyk (1):
> DMAENGINE: DMA40 fix for allocation of logical channel 0
>
> Minskey Guo (1):
> ioat: Remove duplicated devm_kzalloc() calls for ioatdma_device
>
> Richard Röjfors (2):
> dma: Add timb-dma
> dma: timb-dma: Update comment and fix compiler warning
>
> Stephen Rothwell (1):
> async_tx: use of kzalloc/kfree requires the include of slab.h
>
> Tobias Klauser (1):
> dmaengine: mpc512x: Use resource_size
>
> arch/arm/mach-u300/include/mach/coh901318.h | 21 -
> arch/arm/plat-nomadik/include/plat/ste_dma40.h | 239 +++
> crypto/async_tx/async_tx.c | 46 +-
> drivers/dma/Kconfig | 14 +
> drivers/dma/Makefile | 2 +
> drivers/dma/at_hdmac.c | 35 +-
> drivers/dma/coh901318.c | 263 ++-
> drivers/dma/dmaengine.c | 22 +-
> drivers/dma/dw_dmac.c | 24 +-
> drivers/dma/fsldma.c | 28 +-
> drivers/dma/ioat/dma.c | 12 +-
> drivers/dma/ioat/dma.h | 19 +-
> drivers/dma/ioat/dma_v2.c | 186 +-
> drivers/dma/ioat/dma_v2.h | 33 +-
> drivers/dma/ioat/dma_v3.c | 143 +-
> drivers/dma/ioat/pci.c | 7 +-
> drivers/dma/iop-adma.c | 39 +-
> drivers/dma/ipu/ipu_idmac.c | 34 +-
> drivers/dma/mpc512x_dma.c | 15 +-
> drivers/dma/mv_xor.c | 25 +-
> drivers/dma/ppc4xx/adma.c | 19 +-
> drivers/dma/shdma.c | 27 +-
> drivers/dma/ste_dma40.c | 2657 ++++++++++++++++++++++++
> drivers/dma/ste_dma40_ll.c | 454 ++++
> drivers/dma/ste_dma40_ll.h | 354 ++++
> drivers/dma/timb_dma.c | 860 ++++++++
> drivers/dma/txx9dmac.c | 23 +-
> drivers/mmc/host/atmel-mci.c | 2 +-
> drivers/serial/sh-sci.c | 2 +-
> drivers/video/mx3fb.c | 3 +-
> include/linux/dmaengine.h | 127 ++-
> include/linux/timb_dma.h | 55 +
> sound/soc/txx9/txx9aclc.c | 7 +-
> 33 files changed, 5286 insertions(+), 511 deletions(-)
> create mode 100644 arch/arm/plat-nomadik/include/plat/ste_dma40.h
> create mode 100644 drivers/dma/ste_dma40.c
> create mode 100644 drivers/dma/ste_dma40_ll.c
> create mode 100644 drivers/dma/ste_dma40_ll.h
> create mode 100644 drivers/dma/timb_dma.c
> create mode 100644 include/linux/timb_dma.h
>
> commit 0b28330e39bbe0ffee4c56b09fc415fcec595ea3
> Merge: 0582763 caa20d97
> Author: Dan Williams <dan.j.williams@intel.com>
> Date: Mon May 17 16:30:58 2010 -0700
>
> Merge branch 'ioat' into dmaengine
>
> commit 058276303dbc4ed089c1f7dad0871810b1f5ddf1
> Author: Linus Walleij <linus.walleij@stericsson.com>
> Date: Mon May 17 16:30:42 2010 -0700
>
> DMAENGINE: extend the control command to include an arg
>
> This adds an argument to the DMAengine control function, so that
> we can later provide control commands that need some external data
> passed in through an argument akin to the ioctl() operation
> prototype.
>
> [dan.j.williams@intel.com: fix up some missed conversions]
> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit caa20d974c86af496b419eef70010e63b7fab7ac
> Author: Dan Williams <dan.j.williams@intel.com>
> Date: Mon May 17 16:24:16 2010 -0700
>
> async_tx: trim dma_async_tx_descriptor in 'no channel switch' case
>
> Saves 24 bytes per descriptor (64-bit) when the channel-switching
> capabilities of async_tx are not required.
>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit 4aed79b2818e7330b5d00143e4c20bc6555df91f
> Author: Marcin Mielczarczyk <marcin.mielczarczyk@tieto.com>
> Date: Tue May 18 00:41:21 2010 +0200
>
> DMAENGINE: DMA40 fix for allocation of logical channel 0
>
> Fix for allocation failure of logical channel when event line
> happens to be number 0.
>
> Signed-off-by: Marcin Mielczarczyk <marcin.mielczarczyk@tieto.com>
> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit a5ebca4769f28ceade28ff59fcbffb8e184e599c
> Author: Jonas Aaberg <jonas.aberg@stericsson.com>
> Date: Tue May 18 00:41:09 2010 +0200
>
> DMAENGINE: DMA40 support paused channel status
>
> Support determining whether a channel is paused or
> not using the status function.
>
> Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit 8381fc35244dbdf58cfc49e04e0d7c3498c8aa03
> Author: Tobias Klauser <tklauser@distanz.ch>
> Date: Thu May 6 11:58:55 2010 +0200
>
> dmaengine: mpc512x: Use resource_size
>
> Use the resource_size function instead of manually calculating the
> resource size. This reduces the chance of introducing off-by-one
> errors.
>
> Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit cc05ea0cd63437da2033b3ce6e033b1f1aaaf640
> Author: Jassi Brar <jassi.brar@samsung.com>
> Date: Tue May 4 18:22:15 2010 +0900
>
> DMA ENGINE: Do not reset 'private' of channel
>
> The member 'private' of 'struct dma_chan' is meant for passing
> data between client and the controller driver.
>
> The DMA client driver may point it to platform specific stuff after
> acquiring the channel. So, it is the responsiblity of the same code
> to reset it, if it must.
>
> The DMA engine doesn't set it and hence, shouldn't reset it either.
>
> This reseting of private by DMA Engine comes in the way of implementing
> default channel settings during DMAC probe. That capability is useful
> for not having the clients to always provide platform specific data,
> like Rx/Tx FIFO addresses, which usually doesn't change across channel
> requests.
>
> Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit c86e1401c9f2ba8d989fa1c4b33d0f0ec3ba8aaf
> Author: Minskey Guo <chaohong_guo@linux.intel.com>
> Date: Sun May 2 12:52:35 2010 -0700
>
> ioat: Remove duplicated devm_kzalloc() calls for ioatdma_device
>
> The memory for ioatdma_device structure is being allocated in
> alloc_ioatdma()
>
> Signed-off-by: Minskey Guo <chaohong_guo@linux.intel.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit 2adfc550b6d9646301c810643bc309fa49375987
> Author: Dan Williams <dan.j.williams@intel.com>
> Date: Sat May 1 15:22:56 2010 -0700
>
> ioat3: disable cacheline-unaligned transfers for raid operations
>
> There are cases where cacheline-unaligned raid operations can hang the
> dma channel. Simply disable these operations by increasing the
> alignment constraints published to async_tx. The raid456 driver always
> issues page aligned requests, so the only in-kernel user of the ioatdma
> driver that is affected by this change is dmatest.
>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit 074cc47679f8b0931d7d5384e95822d82768f149
> Author: Dan Williams <dan.j.williams@intel.com>
> Date: Sat May 1 15:22:55 2010 -0700
>
> ioat2,3: convert to producer/consumer locking
>
> Use separate locks for the descriptor prep (producer) and descriptor
> cleanup (consumer) paths. Allows the producer path to run concurrently
> with the cleanup path. Inspired by Documentation/circular-buffer.txt.
>
> Cc: David Howells <dhowells@redhat.com>
> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
> Cc: Maciej Sosnowski <maciej.sosnowski@intel.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit abb12dfd50c7580d7dcbd581cf6265ba4d01ea7e
> Author: Dan Williams <dan.j.williams@intel.com>
> Date: Sat May 1 15:22:54 2010 -0700
>
> ioat: convert to circ_buf
>
> Use the common power-of-2 circular buffer macros.
>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit 8d318a50b3d72e3daf94131f91e1ab799a8d5ad4
> Author: Linus Walleij <linus.walleij@stericsson.com>
> Date: Tue Mar 30 15:33:42 2010 +0200
>
> DMAENGINE: Support for ST-Ericssons DMA40 block v3
>
> This is a straightforward driver for the ST-Ericsson DMA40 DMA
> controller found in U8500, implemented akin to the existing
> COH 901 318 driver.
>
> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
> Acked-by: Srinidh Kasagar <srinidhi.kasagar@stericsson.com>
> Cc: STEricsson_nomadik_linux@list.st.com
> Cc: Alessandro Rubini <rubini@unipv.it>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit 6a3cd3ea48584d14f60dce0b3c4e9e4428beb0fe
> Author: Stephen Rothwell <sfr@canb.auug.org.au>
> Date: Mon Mar 29 15:54:40 2010 +1100
>
> async_tx: use of kzalloc/kfree requires the include of slab.h
>
> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit bca3469205402d9fb14060d255d8786ae2256640
> Author: Dan Williams <dan.j.williams@intel.com>
> Date: Fri Mar 26 16:52:10 2010 -0700
>
> dmaengine: provide helper for setting txstate
>
> Simple conditional struct filler to cut out some duplicated code.
>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit 0793448187643b50af89d36b08470baf45a3cab4
> Author: Linus Walleij <linus.walleij@stericsson.com>
> Date: Fri Mar 26 16:50:49 2010 -0700
>
> DMAENGINE: generic channel status v2
>
> Convert the device_is_tx_complete() operation on the
> DMA engine to a generic device_tx_status()operation which
> can return three states, DMA_TX_RUNNING, DMA_TX_COMPLETE,
> DMA_TX_PAUSED.
>
> [dan.j.williams@intel.com: update for timberdale]
> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
> Cc: Maciej Sosnowski <maciej.sosnowski@intel.com>
> Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
> Cc: Pavel Machek <pavel@ucw.cz>
> Cc: Li Yang <leoli@freescale.com>
> Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
> Cc: Paul Mundt <lethal@linux-sh.org>
> Cc: Ralf Baechle <ralf@linux-mips.org>
> Cc: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
> Cc: Magnus Damm <damm@opensource.se>
> Cc: Liam Girdwood <lrg@slimlogic.co.uk>
> Cc: Joe Perches <joe@perches.com>
> Cc: Roland Dreier <rdreier@cisco.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit c3635c78e500a52c9fcd55de381a72928d9e054d
> Author: Linus Walleij <linus.walleij@stericsson.com>
> Date: Fri Mar 26 16:44:01 2010 -0700
>
> DMAENGINE: generic slave control v2
>
> Convert the device_terminate_all() operation on the
> DMA engine to a generic device_control() operation
> which can now optionally support also pausing and
> resuming DMA on a certain channel. Implemented for the
> COH 901 318 DMAC as an example.
>
> [dan.j.williams@intel.com: update for timberdale]
> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
> Cc: Maciej Sosnowski <maciej.sosnowski@intel.com>
> Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
> Cc: Pavel Machek <pavel@ucw.cz>
> Cc: Li Yang <leoli@freescale.com>
> Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
> Cc: Paul Mundt <lethal@linux-sh.org>
> Cc: Ralf Baechle <ralf@linux-mips.org>
> Cc: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
> Cc: Magnus Damm <damm@opensource.se>
> Cc: Liam Girdwood <lrg@slimlogic.co.uk>
> Cc: Joe Perches <joe@perches.com>
> Cc: Roland Dreier <rdreier@cisco.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit 0f65169b1bf44220308e1ce1f6666ad03ddc27af
> Author: Richard Röjfors <richard.rojfors@pelagicore.com>
> Date: Fri Mar 26 08:23:58 2010 +0100
>
> dma: timb-dma: Update comment and fix compiler warning
>
> An incremental patch which clarifies what the spinlock is used for
> and fixes a compiler warning.
>
> Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit de5d4453c5b224eefd02b6a141ed411a76d458af
> Author: Richard Röjfors <richard.rojfors@pelagicore.com>
> Date: Thu Mar 25 19:44:21 2010 +0100
>
> dma: Add timb-dma
>
> Adds the support for the DMA engine withing the timberdale FPGA.
>
> The DMA channels are strict device to host, or host to device
> and can not be used for generic memcpy.
>
> Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit 84c8447c544bc7579097649273bc3f4e1b5de6af
> Author: Linus Walleij <linus.walleij@stericsson.com>
> Date: Thu Mar 4 14:40:30 2010 +0100
>
> DMAENGINE: COH 901 318 fix bytesleft
>
> This makes the function to get the number of bytes left in the
> ongoing DMA transaction actually work: the old code did not take
> neither lli:s nor queued jobs into account. Also fix a missing
> spinlock while we're at it.
>
> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>
> commit cecd87da83869ad4157295b87a2e51e38c3e03bf
> Author: Linus Walleij <linus.walleij@stericsson.com>
> Date: Thu Mar 4 14:31:47 2010 +0100
>
> DMAENGINE: COH 901 318 rename confusing vars
>
> This fixes up the code with a lot of comments that make it readable,
> rename things with opaque names like "data" into something more
> appropriate, and remove some very confusing BUG() statements.
>
> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2010-05-22 01:23    [W:0.035 / U:0.808 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site