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dmaengine: ALTERA_MSGDMA depends on HAS_IOMEM

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[ Upstream commit 253697b93c2a1c237d34d3ae326e394aeb0ca7b3 ]

When CONFIG_HAS_IOMEM is not set/enabled, certain iomap() family
functions [including ioremap(), devm_ioremap(), etc.] are not
available.
Drivers that use these functions should depend on HAS_IOMEM so that
they do not cause build errors.

Repairs this build error:
s390-linux-ld: drivers/dma/altera-msgdma.o: in function `request_and_map':
altera-msgdma.c:(.text+0x14b0): undefined reference to `devm_ioremap'

Fixes: a85c6f1b29 ("dmaengine: Add driver for Altera / Intel mSGDMA IP core")
Signed-off-by: Randy Dunlap <[email protected]>
Reported-by: kernel test robot <[email protected]>
Cc: Stefan Roese <[email protected]>
Cc: Vinod Koul <[email protected]>
Cc: [email protected]
Reviewed-by: Stefan Roese <[email protected]>
Phone: (+49)-8142-66989-51 Fax: (+49)-8142-66989-80 Email: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Randy Dunlap 2021-05-21 19:13:10 -07:00 • committed by Greg Kroah-Hartman
commit 1e3c5c4505
1 changed files with 1 additions and 0 deletions
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1
drivers/dma/Kconfig
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@ -59,6 +59,7 @@ config DMA_OF
#devices
config ALTERA_MSGDMA
tristate "Altera / Intel mSGDMA Engine"
depends on HAS_IOMEM
select DMA_ENGINE
help
Enable support for Altera / Intel mSGDMA controller.