Linux Kernel https://git.stealer.net/cgit.cgi/user/sven/linux.git/atom?h=v3.0.85 2011-03-31T14:26:23Z 2011-03-31T14:26:23Z Lucas De Marchi lucas.demarchi@profusion.mobi 2011-03-31T01:57:33Z urn:sha1:25985edcedea6396277003854657b5f3cb31a628 Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi> 2011-01-17T18:54:41Z Linus Torvalds torvalds@linux-foundation.org 2011-01-17T18:54:41Z urn:sha1:e1288cd72f54e7fc16ae9ebb4d0647537ef848d4 * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: (63 commits) ARM: PL08x: cleanup comments Update CONFIG_MD_RAID6_PQ to CONFIG_RAID6_PQ in drivers/dma/iop-adma.c ARM: PL08x: fix a warning Fix dmaengine_submit() return type dmaengine: at_hdmac: fix race while monitoring channel status dmaengine: at_hdmac: flags located in first descriptor dmaengine: at_hdmac: use subsys_initcall instead of module_init dmaengine: at_hdmac: no need set ACK in new descriptor dmaengine: at_hdmac: trivial add precision to unmapping comment dmaengine: at_hdmac: use dma_address to program DMA hardware pch_dma: support new device ML7213 IOH ARM: PL08x: prevent dma_set_runtime_config() reconfiguring memcpy channels ARM: PL08x: allow dma_set_runtime_config() to return errors ARM: PL08x: fix locking between prepare function and submit function ARM: PL08x: introduce 'phychan_hold' to hold on to physical channels ARM: PL08x: put txd's on the pending list in pl08x_tx_submit() ARM: PL08x: rename 'desc_list' as 'pend_list' ARM: PL08x: implement unmapping of memcpy buffers ARM: PL08x: store prep_* flags in async_tx structure ARM: PL08x: shrink srcbus/dstbus in txd structure ... 2011-01-15T01:07:49Z Russell King - ARM Linux linux@arm.linux.org.uk 2011-01-01T23:00:23Z urn:sha1:98d530fe246b65fbd3cdeeeca319a80c46cb4793 desc->tx_submit's return type is dma_cookie_t, not int. Therefore, dmaengine_submit() should match this return type as it's just wrapping this detail. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Dan Williams <dan.j.williams@intel.com> 2011-01-03T09:41:40Z Guennadi Liakhovetski g.liakhovetski@gmx.de 2010-12-22T13:46:46Z urn:sha1:8f33d5277fada0291ea495f7fd44a3e7b7aa41d3 This lets drivers, optionally using the dmaengine, build with DMA_ENGINE unselected. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com> 2010-10-08T00:08:32Z Dan Williams dan.j.williams@intel.com 2010-10-07T23:44:50Z urn:sha1:5fc6d897fde352bad5db5767e7260741a8cdd9e9 The majority of drivers in drivers/dma/ will never establish cross channel operation chains and do not need the extra overhead in struct dma_async_tx_descriptor. Make channel switching opt-in by default. Cc: Anatolij Gustschin <agust@denx.de> Cc: Ira Snyder <iws@ovro.caltech.edu> Cc: Linus Walleij <linus.walleij@stericsson.com> Cc: Saeed Bishara <saeed@marvell.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> 2010-10-07T22:19:01Z Dan Williams dan.j.williams@intel.com 2010-10-07T22:19:01Z urn:sha1:6391987d6f8ced7d0fafaa1440dcc57bb4b34d8f 2010-10-07T21:41:41Z Ira Snyder iws@ovro.caltech.edu 2010-09-30T11:46:46Z urn:sha1:968f19ae802fdc6b6b6b5af6fe79cf23d281be0f Now that the generic DMAEngine API has support for scatterlist to scatterlist copying, the device_prep_slave_sg() portion of the DMA_SLAVE API is no longer necessary and has been removed. However, the device_control() portion of the DMA_SLAVE API is still useful to control device specific parameters, such as externally controlled DMA transfers and maximum burst length. A special dma_ctrl_cmd has been added to enable externally controlled DMA transfers. This is currently specific to the Freescale DMA controller, but can easily be made generic when another user is found. Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu> Signed-off-by: Dan Williams <dan.j.williams@intel.com> 2010-10-07T21:41:40Z Ira Snyder iws@ovro.caltech.edu 2010-09-30T11:46:44Z urn:sha1:a86ee03ce6f279ebe581a7a8c0c4393eaeb789ee This adds support for scatterlist to scatterlist DMA transfers. A similar interface is exposed by the fsldma driver (through the DMA_SLAVE API) and by the ste_dma40 driver (through an exported function). This patch paves the way for making this type of copy operation a part of the generic DMAEngine API. Futher patches will add support in individual drivers. Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu> Signed-off-by: Dan Williams <dan.j.williams@intel.com> 2010-10-05T22:49:26Z Sascha Hauer s.hauer@pengutronix.de 2010-09-30T13:56:33Z urn:sha1:6e3ecaf0ad49de0bed829d409a164e7107c02993 Add wrapper functions around the dma_device->device_control function to bring back type safety. Also, add a wrapper function around dma_async_tx_descriptor->tx_submit. This is named dmaengine_submit instead of dmaengine_tx_submit to get rid of the confusing 'tx' in the function name Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com> 2010-10-05T22:49:26Z Sascha Hauer s.hauer@pengutronix.de 2010-09-30T13:56:32Z urn:sha1:782bc950d84e404422ba21008fd51ee894c8d231 Cyclic transfers are useful for audio where a single buffer divided in periods has to be transfered endlessly until stopped. After being prepared the transfer is started using the dma_async_descriptor->tx_submit function. dma_async_descriptor->callback is called after each period. The transfer is stopped using the DMA_TERMINATE_ALL callback. While being used for cyclic transfers the channel cannot be used for other transfer types. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Cc: Haavard Skinnemoen <haavard.skinnemoen@atmel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>