Ask devices to powerdown before S3 sleep

From: Pavel Machek (pavel@ucw.cz)
Date: Sun Jan 19 2003 - 16:46:42 EST

Hi!

SUSPEND_RESUME phase is needed for turning off IO-APIC. [I believe
SUSPEND_DISABLE should be so simple that errors just should not be
there, and besides we would not know how to safely enable devices from
such weird state, anyway]. Please apply,

                                                                Pavel

--- clean/drivers/acpi/sleep.c 2003-01-05 22:58:25.000000000 +0100
+++ linux-swsusp/drivers/acpi/sleep.c 2003-01-19 21:27:00.000000000 +0100
@@ -143,6 +143,10 @@
                         return error;
                 }
 
+ error = device_suspend(state, SUSPEND_DISABLE);
+ if (error)
+ panic("Sorry, devices really should know how to disable\n");
+
                 /* flush caches */
                 ACPI_FLUSH_CPU_CACHE(); 

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This archive was generated by hypermail 2b29 : Thu Jan 23 2003 - 22:00:24 EST