Josh Boyer wrote: > On Wed, Nov 11, 2009 at 03:38:34PM +0100, Richard Röjfors wrote: >> This patch changes the out_(be)(8|16|32) and in_(be)(8|16|32) calls to >> iowrite(8|16|32) >> and ioread(8|16|32). This to be able to build on platforms not supporting >> the in/out calls >> for instance x86. >> >> Support is also added for little endian writes. In some systems the >> registers should be >> accessed little endian rather than big endian. > > I wonder if you should make the endianness a config option. Right now you > have a conditional check for every read and write. Does that impact > performance at all?
It won't affect the performance noticeable. In our case we need the possibility to run both endians using the same xilinx_spi module. --Richard _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
