On 03/11/2016 08:02 AM, Roger Quadros wrote: > Franklin, > > On 11/03/16 01:56, Franklin S Cooper Jr wrote: >> NAND DMA prefetch has been broken for awhile and seems to have only >> worked for SDMA based devices >> >> This patchset fixes DMA prefetch to work on both EDMA and SDMA devices >> >> Test on: >> am335x gp evm >> am437x gp evm >> am37x gp evm >> >> This rev is pretty much the same as v2 which was blocked due to >> dependencies to Roger's update GPMC/NAND rework. >> >> This updated rev removes this dependency. >> >> Also it fixes an issue that was introduced when the eDMA driver was >> recently updated. >> >> Links to rev 3 patchset: >> https://patchwork.ozlabs.org/patch/595631/ >> https://patchwork.ozlabs.org/patch/595626/ >> https://patchwork.ozlabs.org/patch/595628/ >> https://patchwork.ozlabs.org/patch/595630/ >> https://patchwork.ozlabs.org/patch/595627/ >> https://patchwork.ozlabs.org/patch/595629/ >> >> Links to rev 2 patchset: >> https://patchwork.kernel.org/patch/7408691/ >> https://patchwork.kernel.org/patch/7408681/ >> https://patchwork.kernel.org/patch/7408661/ >> https://patchwork.kernel.org/patch/7408641/ >> https://patchwork.kernel.org/patch/7408621/ >> >> Franklin S Cooper Jr (7): >> ARM: OMAP2+: gpmc-nand: Set omap2-nand's parent dev to GPMC dev >> ARM: dts: am33xx: Fix GPMC dma properties >> ARM: dts: am437x: Fix GPMC dma properties > Can you please fix the gpmc nodes in dm816x.dtsi and dm814x.dtsi as well? > You can use linux-next tree or [1] to see the latest changes to these files > that will end up in v4.6 and base your changes on that. > > [1] Tony's omap-for-v4.6/dt > https://git.kernel.org/cgit/linux/kernel/git/tmlind/linux-omap.git/log/?h=omap-for-v4.6/dt Sorry I didn't bother looking at dm816 and dm814 dtsi files since I assumed it didn't use edma since the recent edma updates didn't make updates for those devices. My mistake. I'll update those dtsi files. >> mtd: nand: omap2: Support parsing dma channel information from DT >> mtd: nand: omap2: Start dma request before enabling prefetch >> mtd: nand: omap2: Fix high memory dma prefetch transfer >> ARM: OMAP2+: Update GPMC and NAND DT binding documentation >> >> Documentation/devicetree/bindings/bus/ti-gpmc.txt | 7 +++++- >> .../devicetree/bindings/mtd/gpmc-nand.txt | 2 +- >> arch/arm/boot/dts/am33xx.dtsi | 2 +- >> arch/arm/boot/dts/am4372.dtsi | 2 +- >> arch/arm/mach-omap2/gpmc-nand.c | 16 ++++++++++++- >> drivers/mtd/nand/omap2.c | 27 +++++++++------------- >> 6 files changed, 35 insertions(+), 21 deletions(-) >> > cheers, > -roger -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
