ACPI/IORT: Set bus DMA mask as appropriate
authorRobin Murphy <robin.murphy@arm.com>
Mon, 23 Jul 2018 22:16:08 +0000 (23:16 +0100)
committerChristoph Hellwig <hch@lst.de>
Fri, 27 Jul 2018 17:01:05 +0000 (19:01 +0200)
commitd74ea7100b0d065f2008c4e1ddf637483bc3d28c
tree0d681f589861c7ef32b39abe0394f8d1b1e06855
parentf07d141fe9430cdf9f8a65a87c4136bd83b8ab2e
ACPI/IORT: Set bus DMA mask as appropriate

When an explicit DMA limit is described by firmware, we need to remember
it regardless of how drivers might subsequently update their devices'
masks. The new bus_dma_mask field does that.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
drivers/acpi/arm64/iort.c