[PATCH] arch: Cleanup unused functions

[Christoph Hellwig]

On Tue, May 25, 2021 at 12:20:34PM +0000, guoren at kernel.org wrote:
> From: Guo Ren <guoren at linux.alibaba.com>
> 
> These functions haven't been used, so just remove them. The patch
> has been tested with riscv, but I only use grep to check the
> microblaze's.

Looks good:

Reviewed-by: Christoph Hellwig <hch at lst.de>