On Thu, 21 Apr 2022 09:41:57 +0200 Christoph Hellwig <hch@xxxxxx> wrote: Hi, > arm is the last platform not using the dma-direct code for directly > mapped DMA. With the dmaboune removal from Arnd we can easily switch > arm to always use dma-direct now (it already does for LPAE configs > and nommu). I'd love to merge this series through the dma-mapping tree > as it gives us the opportunity for additional core dma-mapping > improvements. > > Diffstat: > arch/arm/common/dmabounce.c | 582 ------------------- > arch/arm/include/asm/dma-mapping.h | 128 ---- > b/arch/arm/Kconfig | 5 > b/arch/arm/common/Kconfig | 6 > b/arch/arm/common/Makefile | 1 > b/arch/arm/common/sa1111.c | 64 -- > b/arch/arm/include/asm/device.h | 3 > b/arch/arm/include/asm/dma-direct.h | 49 - > b/arch/arm/include/asm/memory.h | 2 > b/arch/arm/mach-footbridge/Kconfig | 1 > b/arch/arm/mach-footbridge/common.c | 19 > b/arch/arm/mach-footbridge/include/mach/dma-direct.h | 8 > b/arch/arm/mach-footbridge/include/mach/memory.h | 4 > b/arch/arm/mach-highbank/highbank.c | 2 FWIW, I applied this on top of 5.18-rc3 and pushed my Midway (the Highbank successor) a bit with it (scp-ing GBs forth and back to a SATA SSD). Not a really conclusive test, but so far it looks all fine. So for the Highbank part: Acked-by: Andre Przywara <andre.przywara@xxxxxxx> Cheers, Andre > b/arch/arm/mach-mvebu/coherency.c | 2 > b/arch/arm/mm/dma-mapping.c | 381 ------------ > b/drivers/usb/core/hcd.c | 17 > b/drivers/usb/host/ohci-sa1111.c | 25 > 18 files changed, 84 insertions(+), 1215 deletions(-)
