Hi On 09/24/2015 01:01 PM, Peter Ujfalusi wrote: > Hi, > > Changes since v3: > - Separated the two (patch 10/11 in v2 patch 10 in v3) patch which got squashed > by accident for v3 > - Added Tony's Acked-by to patch 11 (for mach-oamp2 part) Gentle ping on this series ;) -- Péter > Changes since v2: > - devm_kasprintf format string fixed > - Additional patch to enable dynamic paRAM slot usage when the channel mapping > is supported by the eDMA module. > On am335x we have 256 paRAM slots and 64 DMA channels, this means that we had > 64 slots 'locked away' all the time. The dynamic paRAM slot logic will allow > us to use all 256 slots freely for any purpose. > > Changes since v1: > - Convert edma platform device registration to use platform_device_register_full > - Moved the PM callback also to the dmaengine driver - missed in v1 > - Commit message added to: > ARM/dmaengine: edma: Remove limitation on the number of eDMA controllers > - New patch which reads the flag for the channel mapping support in one place > > Cover letter: > > with this series the edma two driver setup will be changed to have only one > driver to support eDMA3. The legacy edma interface will be removed and eDMA can > only be used via dmaengine API from this point on. > In order to do the merge the following improvements has been done: > - One driver instance per eDMA: > - Any number of eDMA instances are supported (both legacy and DT boot) > - Not relying on global variables, arrays, etc > - Code simplification and optimizations in several places > > This change will also help us to do bigger changes in the eDMA driver since, > since now we have only one driver to work with. > > The series has been tested on: > da850-evm (OMAP-L138) > - with legacy and DT boot (both eDMA0 and eDMA1 is enabled) > - In code swapping the eDMA instances in legacy mode to make sure the second > instance is handled correctly. > > am335x-evmsk > - DT boot > > I think this series could go via the dmaengine tree. Changes are trivial under > arch/arm/ > > Regards, > Peter > --- > Peter Ujfalusi (25): > ARM: common: edma: Fix channel parameter for irq callbacks > ARM: common: edma: Remove unused functions > dmaengine: edma: Simplify and optimize the edma_execute path > ARM: davinci/common: Convert edma driver to handle one eDMA instance > per driver > ARM/dmaengine: edma: Move of_dma_controller_register to the dmaengine > driver > ARM: common: edma: Internal API to use pointer to 'struct edma' > ARM/dmaengine: edma: Public API to use private struct pointer > ARM/dmaengine: edma: Remove limitation on the number of eDMA > controllers > ARM: davinci: Use platform_device_register_full() to create pdev for > eDMA > ARM: davinci: Add dma_mask to eDMA devices > ARM/dmaengine: edma: Merge the two drivers under drivers/dma/ > dmaengine: edma: Allocate memory dynamically for bitmaps and > structures > dmaengine: edma: Parameter alignment and long line fixes > dmaengine: edma: Use devm_kcalloc when possible > dmaengine: edma: Cleanup regarding the use of dev around the code > dmaengine: edma: Use dev_dbg instead pr_debug > dmaengine: edma: Use the edma_write_slot instead open coded > memcpy_toio > dmaengine: edma: Print warning when linking slots from different eDMA > dmaengine: edma: Consolidate the comments for functions > dmaengine: edma: Simplify the interrupt handling > dmaengine: edma: Move the pending error check into helper function > dmaengine: edma: Simplify and optimize ccerr interrupt handler > dmaengine: edma: Read channel mapping support only once from HW > dmaengine: edma: Rename bitfields for slot and channel usage tracking > dmaengine: edma: Dynamic paRAM slot handling if HW supports it > > arch/arm/Kconfig | 1 - > arch/arm/common/Kconfig | 3 - > arch/arm/common/Makefile | 1 - > arch/arm/common/edma.c | 1876 --------------------------------- > arch/arm/mach-davinci/devices-da8xx.c | 122 +-- > arch/arm/mach-davinci/dm355.c | 40 +- > arch/arm/mach-davinci/dm365.c | 25 +- > arch/arm/mach-davinci/dm644x.c | 40 +- > arch/arm/mach-davinci/dm646x.c | 44 +- > arch/arm/mach-omap2/Kconfig | 1 - > drivers/dma/Kconfig | 1 - > drivers/dma/edma.c | 1569 ++++++++++++++++++++++++--- > include/linux/platform_data/edma.h | 101 -- > 13 files changed, 1523 insertions(+), 2301 deletions(-) > delete mode 100644 arch/arm/common/edma.c > -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
