From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <46EB8FF1.7070408@domain.hid>
Date: Sat, 15 Sep 2007 09:55:29 +0200
From: Jan Kiszka <jan.kiszka@domain.hid>
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Subject: [Adeos-main] [Resent][PATCH] allow hibernation of I-pipe kernels
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To: Philippe Gerum <rpm@xenomai.org>
Cc: adeos-main <adeos-main@gna.org>

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I'm using this patch since ages on my notebook. Would be nice to have
this available by default.

Jan

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---
 kernel/power/swsusp.c |    4 ++++
 1 file changed, 4 insertions(+)

Index: linux-2.6.22-ipipe/kernel/power/swsusp.c
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- linux-2.6.22-ipipe.orig/kernel/power/swsusp.c
+++ linux-2.6.22-ipipe/kernel/power/swsusp.c
@@ -278,6 +278,7 @@ int swsusp_suspend(void)
 		return error;
=20
 	local_irq_disable();
+	local_irq_disable_hw_cond();
 	/* At this point, device_suspend() has been called, but *not*
 	 * device_power_down(). We *must* device_power_down() now.
 	 * Otherwise, drivers for some devices (e.g. interrupt controllers)
@@ -299,6 +300,7 @@ int swsusp_suspend(void)
 	 */
 	device_power_up();
  Enable_irqs:
+	local_irq_enable_hw_cond();
 	local_irq_enable();
 	return error;
 }
@@ -308,6 +310,7 @@ int swsusp_resume(void)
 	int error;
=20
 	local_irq_disable();
+	local_irq_disable_hw_cond();
 	/* NOTE:  device_power_down() is just a suspend() with irqs off;
 	 * it has no special "power things down" semantics
 	 */
@@ -334,6 +337,7 @@ int swsusp_resume(void)
 	restore_processor_state();
 	touch_softlockup_watchdog();
 	device_power_up();
+	local_irq_enable_hw_cond();
 	local_irq_enable();
 	return error;
 }

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