MIPS: tlbex: Stop open-coding build_convert_pte_to_entrylo

Make use of build_convert_pte_to_entrylo in the RIXI cases within
build_update_entries rather than open-coding it 4 times.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Cc: linux-kernel@vger.kernel.org
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Markos Chandras <markos.chandras@imgtec.com>
Patchwork: https://patchwork.linux-mips.org/patch/11214/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/mm/tlbex.c

@@ -1010,13 +1010,13 @@ static void build_update_entries(u32 **p, unsigned int tmp, unsigned int ptep)
 		uasm_i_ld(p, tmp, 0, ptep); /* get even pte */
 		uasm_i_ld(p, ptep, sizeof(pte_t), ptep); /* get odd pte */
 		if (cpu_has_rixi) {
-			UASM_i_ROTR(p, tmp, tmp, ilog2(_PAGE_GLOBAL));
+			build_convert_pte_to_entrylo(p, tmp);
 			UASM_i_MTC0(p, tmp, C0_ENTRYLO0); /* load it */
-			UASM_i_ROTR(p, ptep, ptep, ilog2(_PAGE_GLOBAL));
+			build_convert_pte_to_entrylo(p, ptep);
 		} else {
-			uasm_i_dsrl_safe(p, tmp, tmp, ilog2(_PAGE_GLOBAL)); /* convert to entrylo0 */
+			build_convert_pte_to_entrylo(p, tmp);
 			UASM_i_MTC0(p, tmp, C0_ENTRYLO0); /* load it */
-			uasm_i_dsrl_safe(p, ptep, ptep, ilog2(_PAGE_GLOBAL)); /* convert to entrylo1 */
+			build_convert_pte_to_entrylo(p, ptep);
 		}
 		UASM_i_MTC0(p, ptep, C0_ENTRYLO1); /* load it */
 	} else {
@@ -1050,17 +1050,17 @@ static void build_update_entries(u32 **p, unsigned int tmp, unsigned int ptep)
 	if (r45k_bvahwbug())
 		build_tlb_probe_entry(p);
 	if (cpu_has_rixi) {
-		UASM_i_ROTR(p, tmp, tmp, ilog2(_PAGE_GLOBAL));
+		build_convert_pte_to_entrylo(p, tmp);
 		if (r4k_250MHZhwbug())
 			UASM_i_MTC0(p, 0, C0_ENTRYLO0);
 		UASM_i_MTC0(p, tmp, C0_ENTRYLO0); /* load it */
-		UASM_i_ROTR(p, ptep, ptep, ilog2(_PAGE_GLOBAL));
+		build_convert_pte_to_entrylo(p, ptep);
 	} else {
-		UASM_i_SRL(p, tmp, tmp, ilog2(_PAGE_GLOBAL)); /* convert to entrylo0 */
+		build_convert_pte_to_entrylo(p, tmp);
 		if (r4k_250MHZhwbug())
 			UASM_i_MTC0(p, 0, C0_ENTRYLO0);
 		UASM_i_MTC0(p, tmp, C0_ENTRYLO0); /* load it */
-		UASM_i_SRL(p, ptep, ptep, ilog2(_PAGE_GLOBAL)); /* convert to entrylo1 */
+		build_convert_pte_to_entrylo(p, ptep);
 		if (r45k_bvahwbug())
 			uasm_i_mfc0(p, tmp, C0_INDEX);
 	}