usb: dwc3: support 64 bit DMA in platform driver
authorSven Peter <sven@svenpeter.dev>
Mon, 7 Jun 2021 06:17:51 +0000 (08:17 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 9 Jun 2021 09:23:33 +0000 (11:23 +0200)
commit45d39448b4d0260743f25d88fd929451ec8296f2
tree73a87ee35d26f7c09e2cff688bcfa0cbcd068727
parent60dfe484cef45293e631b3a6e8995f1689818172
usb: dwc3: support 64 bit DMA in platform driver

Currently, the dwc3 platform driver does not explicitly ask for
a DMA mask. This makes it fall back to the default 32-bit mask which
breaks the driver on systems that only have RAM starting above the
first 4G like the Apple M1 SoC.

Fix this by calling dma_set_mask_and_coherent with a 64bit mask.

Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Link: https://lore.kernel.org/r/20210607061751.89752-1-sven@svenpeter.dev
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/dwc3/core.c