MIPS: Loongson64: sleeper: Pass ra and sp as arguments

Some firmware implementations require restoring ra and sp to be passed as arguments. Passing them as necessary. Fixes: 68557c5 ("MIPS: Loongson64: Implement PM suspend for LEFI firmware") Signed-off-by: Jiaxun Yang <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
mj22226 · Jun 21, 2024 · 335819f · 335819f
1 parent 4e7ca0b
commit 335819f
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/arch/mips/loongson64/sleeper.S b/arch/mips/loongson64/sleeper.S
@@ -11,7 +11,11 @@
 
 LEAF(loongson_lefi_sleep)
 	SUSPEND_SAVE
-	jalr    a0
-    smp_slave_setup
+	move	t9, a0
+	PTR_LA	a0, wake
+	move	a1, sp
+	jalr    t9
+wake:
+	smp_slave_setup
 	RESUME_RESTORE_REGS_RETURN
 END(loongson_lefi_sleep)