MIPS: BMIPS: Fix bmips_wr_vec()
bmips_wr_vec() copies exception vector code from start to dst. The call to dma_cache_wback() needs to flush (end-start) bytes, starting at dst, from write-back cache to memory. Signed-off-by: NPetri Gynther <pgynther@google.com> Acked-by: NFlorian Fainelli <f.fainelli@gmail.com> Reviewed-by: NKevin Cernekee <cernekee@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/10193/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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