Vignesh Raghavendra 37e66ba916 arm64: Add memcpy_{from, to}io() and memset_io() helpers ...

Provide optimized memcpy_{from,to}io() and memset_io(). This is required
when moving large amount of data to and from IO regions such as IP
registers or accessing memory mapped flashes.

Code is borrowed from Linux Kernel v5.4.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>

2019-11-07 18:01:12 -05:00

15 KiB

Raw Blame History

View Raw