The csum_partial implementation contain optimalizations for the MIPS R2
instruction set. This optimization is never enabled however because the
if directive uses the CPU_MIPSR2 constant which is not defined anywhere.
Use the CONFIG_CPU_MIPSR2 constant instead.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4971/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 #endif
 
        /* odd buffer alignment? */
-#ifdef CPU_MIPSR2
+#ifdef CONFIG_CPU_MIPSR2
        wsbh    v1, sum
        movn    sum, v1, t7
 #else
        addu    sum, v1
 #endif
 
-#ifdef CPU_MIPSR2
+#ifdef CONFIG_CPU_MIPSR2
        wsbh    v1, sum
        movn    sum, v1, odd
 #else