s390: drop CONFIG_VIRT_TO_BUS

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VIRT_TO_BUS is only used for legacy device PCI and ISA drivers using
virt_to_bus() instead of the streaming DMA mapping API, and the
remaining drivers generally don't work on 64-bit architectures.

Two of these drivers also cause a build warning on s390, so instead
of trying to fix that, let's just disable the option as we do on
most architectures now.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Arnd Bergmann 2019-04-15 10:35:53 +02:00 • committed by Martin Schwidefsky

parent 96fb54a180

commit 964d06b4ed

1 changed files with 0 additions and 1 deletions

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arch/s390/Kconfig

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