MIPS: Loongson: Fix phys_mem_access_prot() check

The check used to determine if uncached accelerated should be used or not
is wrong. The parenthesis are misplaced and making the test fail.

Signed-off-by: Arnaud Patard <[e-mail]>
To: [e-mail]
Patchwork: http://patchwork.linux-mips.org/patch/1161/
Signed-off-by: Ralf Baechle <[e-mail]>

arch/mips/loongson/common/mem.c

···
 	unsigned long end = offset + size;
 
 	if (__uncached_access(file, offset)) {
-		if (((uca_start && offset) >= uca_start) &&
+		if (uca_start && (offset >= uca_start) &&
 		    (end <= uca_end))
 			return __pgprot((pgprot_val(vma_prot) &
 					 ~_CACHE_MASK) |