linux-kernel - [PATCH 1/2] PNP: add .shutdown method

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Date:	Thu, 9 Jul 2009 15:39:19 -0600
From:	Bjorn Helgaas <bjorn.helgaas@...com>
To:	David Härdeman <david@...deman.nu>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	linux-input@...r.kernel.org, jbarnes@...tuousgeek.org,
	"Len Brown" <lenb@...nel.org>
Subject: [PATCH 1/2] PNP: add .shutdown method

diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c
index 527ee76..cd11b11 100644
--- a/drivers/pnp/driver.c
+++ b/drivers/pnp/driver.c
@@ -135,6 +135,15 @@ static int pnp_device_remove(struct device *dev)
 	return 0;
 }
 
+static void pnp_device_shutdown(struct device *dev)
+{
+	struct pnp_dev *pnp_dev = to_pnp_dev(dev);
+	struct pnp_driver *drv = pnp_dev->driver;
+
+	if (drv && drv->shutdown)
+		drv->shutdown(pnp_dev);
+}
+
 static int pnp_bus_match(struct device *dev, struct device_driver *drv)
 {
 	struct pnp_dev *pnp_dev = to_pnp_dev(dev);
@@ -203,6 +212,7 @@ struct bus_type pnp_bus_type = {
 	.match   = pnp_bus_match,
 	.probe   = pnp_device_probe,
 	.remove  = pnp_device_remove,
+	.shutdown = pnp_device_shutdown,
 	.suspend = pnp_bus_suspend,
 	.resume  = pnp_bus_resume,
 	.dev_attrs = pnp_interface_attrs,
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index b063c73..fddfafa 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -360,6 +360,7 @@ struct pnp_driver {
 	unsigned int flags;
 	int (*probe) (struct pnp_dev *dev, const struct pnp_device_id *dev_id);
 	void (*remove) (struct pnp_dev *dev);
+	void (*shutdown) (struct pnp_dev *dev);
 	int (*suspend) (struct pnp_dev *dev, pm_message_t state);
 	int (*resume) (struct pnp_dev *dev);
 	struct device_driver driver;
--
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