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| author | Will Deacon <will@kernel.org> | 2021-07-20 15:38:23 +0200 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad@kernel.org> | 2021-07-24 02:13:07 +0200 |
| commit | 85044eb08d0a37b1b6bcb3504bfd660a85ba5b7b (patch) | |
| tree | 41e7369b712f770f5bf9d97dd47ccc205198bcc4 /drivers/xen/swiotlb-xen.c | |
| parent | swiotlb: add overflow checks to swiotlb_bounce (diff) | |
| download | linux-85044eb08d0a37b1b6bcb3504bfd660a85ba5b7b.tar.xz linux-85044eb08d0a37b1b6bcb3504bfd660a85ba5b7b.zip | |
of: Return success from of_dma_set_restricted_buffer() when !OF_ADDRESS
When CONFIG_OF_ADDRESS=n, of_dma_set_restricted_buffer() returns -ENODEV
and breaks the boot for sparc[64] machines. Return 0 instead, since the
function is essentially a glorified NOP in this configuration.
Cc: Claire Chang <tientzu@chromium.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reported-by: Guenter Roeck <linux@roeck-us.net>
Suggested-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Claire Chang <tientzu@chromium.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210702030807.GA2685166@roeck-us.net
Fixes: fec9b625095f ("of: Add plumbing for restricted DMA pool")
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org>
Diffstat (limited to 'drivers/xen/swiotlb-xen.c')
0 files changed, 0 insertions, 0 deletions