Linux kernel source tree https://git.amat.us/linux/atom/drivers/dma?h=v3.1 2011-09-05T11:38:26Z 2011-09-05T11:38:26Z Per Forlin per.forlin@linaro.org 2011-08-29T11:33:35Z urn:sha1:82babbb361f207a80cffa8ac34c2b6a0b62acc88 Prepared descriptors that are not submitted will not be freed. Add prepared descriptor to a list to be able to release them upon dmaengine_terminate_all(). Signed-off-by: Per Forlin <per.forlin@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com> 2011-09-05T11:37:58Z Per Forlin per.forlin@linaro.org 2011-08-29T11:33:34Z urn:sha1:7404368c22b4910ab839238e48d96be45180f6fc The client list may exist in two lists at the same time. This makes free fail since the same desc is freed multiple times. Remove desc from client list when adding it to the pending queue. Move free of client owned descriptors from free_dma() to terminate_all(). Unable to handle kernel paging request at virtual address 00100104 pgd = dea8c000 [00100104] *pgd=1ea62831, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#1] PREEMPT SMP Modules linked in: CPU: 0 Not tainted (3.1.0-rc3+ #58) PC is at d40_free_chan_resources+0x64/0x330 Signed-off-by: Per Forlin <per.forlin@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com> 2011-09-05T11:37:28Z Per Forlin per.forlin@linaro.org 2011-08-29T11:33:33Z urn:sha1:3b3d5b0f855b3eec45a02832e97c3c1890ff8823 d40_desc_free() already calls d40_pool_lli_free(). Signed-off-by: Per Forlin <per.forlin@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com> 2011-09-05T11:37:03Z Per Forlin per.forlin@linaro.org 2011-08-29T11:33:32Z urn:sha1:da063d260969c4e5e5f91d911ba87f7f6b48ead0 Signed-off-by: Per Forlin <per.forlin@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com> 2011-08-11T00:37:17Z Linus Torvalds torvalds@linux-foundation.org 2011-08-11T00:37:17Z urn:sha1:068ef739127af1faf6f342b56d41ceea89f76c75 * 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm: ARM: drop experimental status for ARM_PATCH_PHYS_VIRT ARM: 7008/1: alignment: Make SIGBUS sent to userspace POSIXly correct ARM: 7007/1: alignment: Prevent ignoring of faults with ARMv6 unaligned access model ARM: 7010/1: mm: fix invalid loop for poison_init_mem ARM: 7005/1: freshen up mm/proc-arm946.S dmaengine: PL08x: Fix trivial build error ARM: Fix build error for SMP=n builds 2011-08-09T07:42:28Z Russell King rmk+kernel@arm.linux.org.uk 2011-08-06T08:34:26Z urn:sha1:4d66164e997ea791c5a4cefe6fc2e1fbb3ffb9c8 Something changed during the 3.1 merge window in the include files which now causes the pl08x DMA engine driver to fail to build. Fix this by adding the now necessary dma-mapping.h include: drivers/dma/amba-pl08x.c: In function ■pl08x_unmap_buffers■: drivers/dma/amba-pl08x.c:1524: error: implicit declaration of function ■dma_unmap_single■ drivers/dma/amba-pl08x.c:1527: error: implicit declaration of function ■dma_unmap_page■ Acked-by: Vinod Koul <vinod.koul@intel.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> 2011-08-05T02:43:43Z Linus Torvalds torvalds@linux-foundation.org 2011-08-05T02:43:43Z urn:sha1:7f3bf7cd348cead84f8027b32aa30ea49fa64df5 * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: dmaengine: use DEFINE_IDR for static initialization ioat: fix xor_idx_to_desc Avoid section type conflict in dma/ioat/dma_v3.c ioat: Adding PCI IDs for IOAT devices on SandyBridge platforms 2011-08-04T05:25:39Z Axel Lin axel.lin@gmail.com 2011-07-20T03:32:28Z urn:sha1:21ef4b8b7a7d59a995bf44382de38c95587767d4 We could use DEFINE_IDR for statically allocated idr that allow us to save a few lines of code. And also remove unneeded mutex_init() for dma_list_mutex, as dma_list_mutex is initialized automatically by DEFINE_MUTEX(). Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> 2011-08-04T05:25:06Z Dan Williams dan.j.williams@intel.com 2011-07-22T21:20:46Z urn:sha1:d0b0c8c79b26a1f48e1e92a2c073655159e72b7c For versions of the device that implement operation-types 0x87, 0x88 (IOAT_OP_XOR, IOAT_OP_XOR_VAL) this map determines whether a given source is located in the base or extended descriptor. Source addresses 6 through 8 require an extended descriptor, hence 0xe0, not 0xd0. No shipping hardware currently implements these operation types. Reported-by: Evgueni Smogailov <evgueni.smogailov@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> 2011-08-01T23:46:37Z Linus Torvalds torvalds@linux-foundation.org 2011-08-01T23:46:37Z urn:sha1:12ff47e7f5fb64c566f62e6cf6a3b291c51bd337 * 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (37 commits) Improve slave/cyclic DMA engine documentation dmaengine: pl08x: handle the rest of enums in pl08x_width DMA: PL08x: cleanup selection of burst size DMA: PL08x: avoid recalculating cctl at each prepare DMA: PL08x: cleanup selection of buswidth DMA: PL08x: constify plchan->cd and plat->slave_channels DMA: PL08x: separately store source/destination cctl DMA: PL08x: separately store source/destination slave address DMA: PL08x: clean up LLI debugging DMA: PL08x: select LLI bus only once per LLI setup DMA: PL08x: remove unused constants ARM: mxs-dma: reset after disable channel dma: intel_mid_dma: remove redundant pci_set_drvdata calls dma: mxs-dma: fix unterminated platform_device_id table dmaengine: pl330: make platform data optional dmaengine: imx-sdma: return proper error if kzalloc fails pch_dma: Fix CTL register access issue dmaengine: mxs-dma: skip request_irq for NO_IRQ dmaengine/coh901318: fix slave submission semantics dmaengine/ste_dma40: allow memory buswidth/burst to be configured ... Fix trivial whitespace conflict in drivers/dma/mv_xor.c