[PATCH v2 1/4] asm: dma-mapping.h: Fix dma mapping functions

[Tom Rini]

On Thu, Jan 16, 2020 at 02:23:45PM +0530, Vignesh Raghavendra wrote:

> Subsystems such as USB expect dma_map_single() and dma_unmap_single() to
> do dcache flush/invalidate operations as required. For example, see
> see drivers/usb/gadget/udc/udc-core.c::usb_gadget_map_request().
> Currently drivers do this locally, (see drivers/usb/dwc3/ep0.c,
> drivers/mtd/nand/raw/denali.c etc..)
> Update arch specific dma_map_single() and dma_unmap_single() APIs to do
> cache flush/invalidate  operations, so that drivers need not implement
> them locally.
> 
> Signed-off-by: Vignesh Raghavendra <vigneshr at ti.com>
> Reviewed-by: Masahiro Yamada <yamada.masahiro at socionext.com>
> Reviewed-by: Rick Chen <rick at andestech.com>

Applied to u-boot/master, thanks!

-- 
Tom
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