s390/pci: ensure page aligned dma start address

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We don't have an architectural guarantee on the value of
the dma offset but rely on it to be at least page aligned.
Enforce page alignemt of start_dma.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Sebastian Ott 2016-06-03 19:03:12 +02:00 • committed by Martin Schwidefsky

parent bb98f396f1

commit 53b1bc9aba

1 changed files with 1 additions and 0 deletions

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arch/s390/pci/pci_dma.c

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