ARM: 8633/1: nommu: allow mmap when !CONFIG_MMU

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commit ab6494f0c9 ("nommu: Add noMMU support to the DMA API") have
add CONFIG_MMU compilation flag but that prohibit to use dma_mmap_wc()
when the platform doesn't have MMU.

This patch call vm_iomap_memory() in noMMU case to test if addresses
are correct and set vma->vm_flags rather than all return an error.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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Benjamin Gaignard 2016-12-12 09:31:18 +01:00 • committed by Russell King

parent 00a19f3e25

commit 79964a1c29

1 changed files with 3 additions and 0 deletions

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arch/arm/mm/dma-mapping.c

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