ARM: riscpc: dma: use __iomem pointers for writing DMA

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Use __iomem pointers for efficiency to write the DMA registers.
This avoids the compiler emitting several instructions for each access
to calculate the register address.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>

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Russell King 2019-05-02 17:56:49 +01:00

parent e659587c64

commit 090a37ceda

1 changed files with 17 additions and 17 deletions

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arch/arm/mach-rpc/dma.c

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