linux-kernel - [Patch -mm 2/3] Driver core: switch firmware_class to uevent

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Message-ID: <20070329111214.1c3aa250@gondolin.boeblingen.de.ibm.com>
Date:	Thu, 29 Mar 2007 11:12:14 +0200
From:	Cornelia Huck <cornelia.huck@...ibm.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Greg K-H <greg@...ah.com>,
	Manuel Estrada Sainz <ranty@...ian.org>,
	Eric Rannaud <eric.rannaud@...il.com>
Subject: [Patch -mm 2/3] Driver core: switch firmware_class to
 uevent_suppress.

From: Cornelia Huck <cornelia.huck@...ibm.com>

Use uevent_suppress instead of returning an error code in
firmware_uevent(). Get rid of the now unneeded FW_STATUS_READY
and FW_STATUS_READY_NOHOTPLUG.

Signed-off-by: Cornelia Huck <cornelia.huck@...ibm.com>

---
 drivers/base/firmware_class.c |   10 ++--------
 1 files changed, 2 insertions(+), 8 deletions(-)

--- linux-2.6.21-rc5-mm1.orig/drivers/base/firmware_class.c
+++ linux-2.6.21-rc5-mm1/drivers/base/firmware_class.c
@@ -31,8 +31,6 @@ enum {
 	FW_STATUS_LOADING,
 	FW_STATUS_DONE,
 	FW_STATUS_ABORT,
-	FW_STATUS_READY,
-	FW_STATUS_READY_NOHOTPLUG,
 };
 
 static int loading_timeout = 60;	/* In seconds */
@@ -96,9 +94,6 @@ static int firmware_uevent(struct device
 	struct firmware_priv *fw_priv = dev_get_drvdata(dev);
 	int i = 0, len = 0;
 
-	if (!test_bit(FW_STATUS_READY, &fw_priv->status))
-		return -ENODEV;
-
 	if (add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
 			   "FIRMWARE=%s", fw_priv->fw_id))
 		return -ENOMEM;
@@ -333,6 +328,7 @@ static int fw_register_device(struct dev
 	f_dev->parent = device;
 	f_dev->class = &firmware_class;
 	dev_set_drvdata(f_dev, fw_priv);
+	f_dev->uevent_suppress = 1;
 	retval = device_register(f_dev);
 	if (retval) {
 		printk(KERN_ERR "%s: device_register failed\n",
@@ -382,9 +378,7 @@ static int fw_setup_device(struct firmwa
 	}
 
 	if (uevent)
-                set_bit(FW_STATUS_READY, &fw_priv->status);
-        else
-                set_bit(FW_STATUS_READY_NOHOTPLUG, &fw_priv->status);
+		f_dev->uevent_suppress = 0;
 	*dev_p = f_dev;
 	goto out;
 
-
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