Re: [PATCH] fix math in acpi_system_write_alarm() (resend)

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On Fri, 2008-09-26 at 16:32 -0700, Jordan Crouse wrote:
> This patch fixes the day of month math in acpi_system_write_alarm().
> The previous code assumed that there were 31 days in every month.
> We caught this on June 30 when the month changed, but the system
> stayed suspended waiting for June 31st.
> 
> I know /proc/acpi/alarm is being deprecated, but its still there,
> and I think as long as somebody can use it in anger, it should
> correct.
> 
agree.

len, I think we should also apply this patch.

Subject: ACPI: deprecate /proc/acpi/alarm

/proc/acpi/alarm is deprecated.
users can use /sys/class/rtc/rtcX/wakealarm instead.

Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
---
 drivers/acpi/Kconfig      |    1 +
 drivers/acpi/sleep/proc.c |    2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

Index: linux-2.6/drivers/acpi/sleep/proc.c
===================================================================
--- linux-2.6.orig/drivers/acpi/sleep/proc.c
+++ linux-2.6/drivers/acpi/sleep/proc.c
@@ -78,7 +78,7 @@ acpi_system_write_sleep(struct file *fil
 }
 #endif				/* CONFIG_ACPI_PROCFS */
 
-#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE) || !defined(CONFIG_X86)
+#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE) || !defined(CONFIG_X86) || !define(CONFIG_ACPI_PROCFS)
 /* use /sys/class/rtc/rtcX/wakealarm instead; it's not ACPI-specific */
 #else
 #define	HAVE_ACPI_LEGACY_ALARM
Index: linux-2.6/drivers/acpi/Kconfig
===================================================================
--- linux-2.6.orig/drivers/acpi/Kconfig
+++ linux-2.6/drivers/acpi/Kconfig
@@ -60,6 +60,7 @@ config ACPI_PROCFS
 	  /proc/acpi/fadt (/sys/firmware/acpi/tables/FACP)
 	  /proc/acpi/debug_layer (/sys/module/acpi/parameters/debug_layer)
 	  /proc/acpi/debug_level (/sys/module/acpi/parameters/debug_level)
+	  /proc/acpi/alarm (/sys/class/rtc/rtcX/wakealarm)
 
 	  This option has no effect on /proc/acpi/ files
 	  and functions which do not yet exist in /sys.


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