From: Arnd Bergmann <a...@arndb.de> Date: Thu, 16 Jun 2016 11:00:05 +0200
> The b53 dsa register access confusingly uses __raw register accessors > when both the CPU and the device are big-endian, but it uses little- > endian accessors when the same device is used from a little-endian > CPU, which makes no sense. > > This uses normal accessors in device-endianess all the time, which > will work in all four combinations of register and CPU endianess, > and it will have the same barrier semantics in all cases. > > This also seems to take care of a (false positive) warning I'm getting: > > drivers/net/dsa/b53/b53_mmap.c: In function 'b53_mmap_read64': > drivers/net/dsa/b53/b53_mmap.c:109:10: error: 'hi' may be used uninitialized > in this function [-Werror=maybe-uninitialized] > *val = ((u64)hi << 32) | lo; > > I originally planned to submit another patch for that warning > and did this one as a preparation cleanup, but it does seem to be > sufficient by itself. > > Signed-off-by: Arnd Bergmann <a...@arndb.de> Applied.
