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Date:	Sun,  9 Nov 2014 17:42:45 -0800
From:	Guenter Roeck <>
Cc:, Guenter Roeck <>,
	David Woodhouse <>,
	Dmitry Eremin-Solenikov <>,
	Sebastian Reichel <>
Subject: [PATCH v6 28/48] power/reset: at91-poweroff: Register with kernel power-off handler

Register with kernel power-off handler instead of setting pm_power_off
directly. Select default priority to reflect that the original code sets
pm_power_off unconditionally.

Acked-by: Sebastian Reichel <>
Signed-off-by: Guenter Roeck <>
- This patch: No change.
  Global: Replaced priority defines with enum.
- Rebase to v3.18-rc3
- Do not use notifiers but internal functions and data structures to manage
  the list of power-off handlers. Drop unused parameters from callbacks, and
  make the power-off function type void
- Replace poweroff in all newly introduced variables and in text
  with power_off or power-off as appropriate
- Added patch

 drivers/power/reset/at91-poweroff.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/power/reset/at91-poweroff.c b/drivers/power/reset/at91-poweroff.c
index c610003..6fc5944 100644
--- a/drivers/power/reset/at91-poweroff.c
+++ b/drivers/power/reset/at91-poweroff.c
@@ -14,6 +14,7 @@
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
+#include <linux/pm.h>
 #include <linux/printk.h>
 #define AT91_SHDW_CR	0x00		/* Shut Down Control Register */
@@ -66,11 +67,16 @@ static void __init at91_wakeup_status(void)
 	pr_info("AT91: Wake-Up source: %s\n", reason);
-static void at91_poweroff(void)
+static void at91_poweroff(struct power_off_handler_block *this)
 	writel(AT91_SHDW_KEY | AT91_SHDW_SHDW, at91_shdwc_base + AT91_SHDW_CR);
+static struct power_off_handler_block at91_power_off_hb = {
+	.handler = at91_poweroff,
 const enum wakeup_type at91_poweroff_get_wakeup_mode(struct device_node *np)
 	const char *pm;
@@ -134,9 +140,7 @@ static int at91_poweroff_probe(struct platform_device *pdev)
 	if (pdev->dev.of_node)
-	pm_power_off = at91_poweroff;
-	return 0;
+	return devm_register_power_off_handler(&pdev->dev, &at91_power_off_hb);
 static struct of_device_id at91_poweroff_of_match[] = {

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