Watchdog on Longsoon appears to be at address 0. Let's use
OPTIMIZER_HIDE_VAR, so GCC doesn't warn about it.
Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
arch/mips/mach-loongson/loongson1_reset.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/arch/mips/mach-loongson/loongson1_reset.c b/arch/mips/mach-loongson/loongson1_reset.c
index 85752f4ab825..9b4da217f80d 100644
--- a/arch/mips/mach-loongson/loongson1_reset.c
+++ b/arch/mips/mach-loongson/loongson1_reset.c
@@ -11,9 +11,13 @@
static void __noreturn longhorn_restart_soc(struct restart_handler *rst)
{
- __raw_writel(0x1, WDT_EN);
- __raw_writel(0x1, WDT_SET);
- __raw_writel(0x1, WDT_TIMER);
+ void __iomem *wdt = IOMEM(0);
+
+ OPTIMIZER_HIDE_VAR(wdt);
+
+ __raw_writel(0x1, wdt + WDT_EN);
+ __raw_writel(0x1, wdt + WDT_SET);
+ __raw_writel(0x1, wdt + WDT_TIMER);
hang();
}
--
2.39.2
