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(parent: 79a835e) | patch
usb-storage: reject probe of device one non-DMA HCDs when using highmem
authorChristoph Hellwig <hch@lst.de>
Wed, 30 Apr 2025 14:38:51 +0000 (09:38 -0500)
committerChristoph Hellwig <hch@lst.de>
Wed, 30 Apr 2025 14:58:05 +0000 (09:58 -0500)
commit3cb0e02109660ed830c5866eef57f66b47aec918
tree87cdef206940add14b8d34f5338240d3b8db57f2tree
parent79a835ec6d08ee05c97f9e58501ce4ce7a442e37commit | diff
usb-storage: reject probe of device one non-DMA HCDs when using highmem

usb-storage is the last user of the block layer bounce buffering now,
and only uses it for HCDs that do not support DMA on highmem configs.

Remove this support and fail the probe so that the block layer bounce
buffering can go away.

Signed-off-by: Christoph Hellwig <hch@lst.de>
drivers/usb/storage/usb.c diff | blob | history
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