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| author | Ahmad Fatoum <a.fatoum@pengutronix.de> | 2023-06-05 08:29:38 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2023-06-06 11:34:36 +0200 |
| commit | 723587ea0ccf4d1526b0be485b3d07c3d98af740 (patch) | |
| tree | 17790dca727d174e6174a92902a44ca8d3ad534d /arch/mips | |
| parent | ac98459ce0897021e5073ce5dc31ef15bcf5a322 (diff) | |
| download | barebox-723587ea0ccf4d1526b0be485b3d07c3d98af740.tar.gz barebox-723587ea0ccf4d1526b0be485b3d07c3d98af740.tar.xz | |
MIPS: longsoon: restart: hide access to zero page
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@pengutronix.de>
Link: https://lore.barebox.org/20230605062939.242063-6-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/mach-loongson/loongson1_reset.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/mips/mach-loongson/loongson1_reset.c b/arch/mips/mach-loongson/loongson1_reset.c index 85752f4ab8..9b4da217f8 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(); } |