Both the reset and poweroff drivers are now implementing what the
show_reset_status function used to do. Hence, we can remove this rather hackish
function that prevents us from doing further cleanup.
Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
---
arch/arm/mach-at91/pm.c | 72 -------------------------------------------------
1 file changed, 72 deletions(-)
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index e95554532987..213606111d9a 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -34,79 +34,8 @@
#include "pm.h"
#include "gpio.h"
-/*
- * Show the reason for the previous system reset.
- */
-
-#include "at91_rstc.h"
-#include "at91_shdwc.h"
-
static void (*at91_pm_standby)(void);
-static void __init show_reset_status(void)
-{
- static char reset[] __initdata = "reset";
-
- static char general[] __initdata = "general";
- static char wakeup[] __initdata = "wakeup";
- static char watchdog[] __initdata = "watchdog";
- static char software[] __initdata = "software";
- static char user[] __initdata = "user";
- static char unknown[] __initdata = "unknown";
-
- static char signal[] __initdata = "signal";
- static char rtc[] __initdata = "rtc";
- static char rtt[] __initdata = "rtt";
- static char restore[] __initdata = "power-restored";
-
- char *reason, *r2 = reset;
- u32 reset_type, wake_type;
-
- if (!at91_shdwc_base || !at91_rstc_base)
- return;
-
- reset_type = at91_rstc_read(AT91_RSTC_SR) & AT91_RSTC_RSTTYP;
- wake_type = at91_shdwc_read(AT91_SHDW_SR);
-
- switch (reset_type) {
- case AT91_RSTC_RSTTYP_GENERAL:
- reason = general;
- break;
- case AT91_RSTC_RSTTYP_WAKEUP:
- /* board-specific code enabled the wakeup sources */
- reason = wakeup;
-
- /* "wakeup signal" */
- if (wake_type & AT91_SHDW_WAKEUP0)
- r2 = signal;
- else {
- r2 = reason;
- if (wake_type & AT91_SHDW_RTTWK) /* rtt wakeup */
- reason = rtt;
- else if (wake_type & AT91_SHDW_RTCWK) /* rtc wakeup */
- reason = rtc;
- else if (wake_type == 0) /* power-restored wakeup */
- reason = restore;
- else /* unknown wakeup */
- reason = unknown;
- }
- break;
- case AT91_RSTC_RSTTYP_WATCHDOG:
- reason = watchdog;
- break;
- case AT91_RSTC_RSTTYP_SOFTWARE:
- reason = software;
- break;
- case AT91_RSTC_RSTTYP_USER:
- reason = user;
- break;
- default:
- reason = unknown;
- break;
- }
- pr_info("AT91: Starting after %s %s\n", reason, r2);
-}
-
static int at91_pm_valid_state(suspend_state_t state)
{
switch (state) {
@@ -338,7 +267,6 @@ static int __init at91_pm_init(void)
suspend_set_ops(&at91_pm_ops);
- show_reset_status();
return 0;
}
arch_initcall(at91_pm_init);
--
2.0.1
--
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