From: Greg KH <greg@kroah.com>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Subject: [PATCH 21/36] Driver core: convert firmware code to use struct device
Date: Fri, 1 Dec 2006 15:21:51 -0800 [thread overview]
Message-ID: <11650153922117-git-send-email-greg@kroah.com> (raw)
In-Reply-To: <11650153891878-git-send-email-greg@kroah.com>
From: Greg Kroah-Hartman <gregkh@suse.de>
Converts from using struct "class_device" to "struct device" making
everything show up properly in /sys/devices/ with symlinks from the
/sys/class directory.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/base/firmware_class.c | 119 +++++++++++++++++++---------------------
1 files changed, 57 insertions(+), 62 deletions(-)
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 1461569..4bad287 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -21,6 +21,8 @@
#include <linux/firmware.h>
#include "base.h"
+#define to_dev(obj) container_of(obj, struct device, kobj)
+
MODULE_AUTHOR("Manuel Estrada Sainz <ranty@debian.org>");
MODULE_DESCRIPTION("Multi purpose firmware loading support");
MODULE_LICENSE("GPL");
@@ -86,12 +88,12 @@ firmware_timeout_store(struct class *cla
static CLASS_ATTR(timeout, 0644, firmware_timeout_show, firmware_timeout_store);
-static void fw_class_dev_release(struct class_device *class_dev);
+static void fw_dev_release(struct device *dev);
-static int firmware_class_uevent(struct class_device *class_dev, char **envp,
- int num_envp, char *buffer, int buffer_size)
+static int firmware_uevent(struct device *dev, char **envp, int num_envp,
+ char *buffer, int buffer_size)
{
- struct firmware_priv *fw_priv = class_get_devdata(class_dev);
+ struct firmware_priv *fw_priv = dev_get_drvdata(dev);
int i = 0, len = 0;
if (!test_bit(FW_STATUS_READY, &fw_priv->status))
@@ -110,21 +112,21 @@ static int firmware_class_uevent(struct
static struct class firmware_class = {
.name = "firmware",
- .uevent = firmware_class_uevent,
- .release = fw_class_dev_release,
+ .dev_uevent = firmware_uevent,
+ .dev_release = fw_dev_release,
};
-static ssize_t
-firmware_loading_show(struct class_device *class_dev, char *buf)
+static ssize_t firmware_loading_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- struct firmware_priv *fw_priv = class_get_devdata(class_dev);
+ struct firmware_priv *fw_priv = dev_get_drvdata(dev);
int loading = test_bit(FW_STATUS_LOADING, &fw_priv->status);
return sprintf(buf, "%d\n", loading);
}
/**
* firmware_loading_store - set value in the 'loading' control file
- * @class_dev: class_device pointer
+ * @dev: device pointer
* @buf: buffer to scan for loading control value
* @count: number of bytes in @buf
*
@@ -134,11 +136,11 @@ firmware_loading_show(struct class_devic
* 0: Conclude the load and hand the data to the driver code.
* -1: Conclude the load with an error and discard any written data.
**/
-static ssize_t
-firmware_loading_store(struct class_device *class_dev,
- const char *buf, size_t count)
+static ssize_t firmware_loading_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
- struct firmware_priv *fw_priv = class_get_devdata(class_dev);
+ struct firmware_priv *fw_priv = dev_get_drvdata(dev);
int loading = simple_strtol(buf, NULL, 10);
switch (loading) {
@@ -174,15 +176,14 @@ firmware_loading_store(struct class_devi
return count;
}
-static CLASS_DEVICE_ATTR(loading, 0644,
- firmware_loading_show, firmware_loading_store);
+static DEVICE_ATTR(loading, 0644, firmware_loading_show, firmware_loading_store);
static ssize_t
firmware_data_read(struct kobject *kobj,
char *buffer, loff_t offset, size_t count)
{
- struct class_device *class_dev = to_class_dev(kobj);
- struct firmware_priv *fw_priv = class_get_devdata(class_dev);
+ struct device *dev = to_dev(kobj);
+ struct firmware_priv *fw_priv = dev_get_drvdata(dev);
struct firmware *fw;
ssize_t ret_count = count;
@@ -234,7 +235,7 @@ fw_realloc_buffer(struct firmware_priv *
/**
* firmware_data_write - write method for firmware
- * @kobj: kobject for the class_device
+ * @kobj: kobject for the device
* @buffer: buffer being written
* @offset: buffer offset for write in total data store area
* @count: buffer size
@@ -246,8 +247,8 @@ static ssize_t
firmware_data_write(struct kobject *kobj,
char *buffer, loff_t offset, size_t count)
{
- struct class_device *class_dev = to_class_dev(kobj);
- struct firmware_priv *fw_priv = class_get_devdata(class_dev);
+ struct device *dev = to_dev(kobj);
+ struct firmware_priv *fw_priv = dev_get_drvdata(dev);
struct firmware *fw;
ssize_t retval;
@@ -280,13 +281,12 @@ static struct bin_attribute firmware_att
.write = firmware_data_write,
};
-static void
-fw_class_dev_release(struct class_device *class_dev)
+static void fw_dev_release(struct device *dev)
{
- struct firmware_priv *fw_priv = class_get_devdata(class_dev);
+ struct firmware_priv *fw_priv = dev_get_drvdata(dev);
kfree(fw_priv);
- kfree(class_dev);
+ kfree(dev);
module_put(THIS_MODULE);
}
@@ -298,26 +298,23 @@ firmware_class_timeout(u_long data)
fw_load_abort(fw_priv);
}
-static inline void
-fw_setup_class_device_id(struct class_device *class_dev, struct device *dev)
+static inline void fw_setup_device_id(struct device *f_dev, struct device *dev)
{
/* XXX warning we should watch out for name collisions */
- strlcpy(class_dev->class_id, dev->bus_id, BUS_ID_SIZE);
+ strlcpy(f_dev->bus_id, dev->bus_id, BUS_ID_SIZE);
}
-static int
-fw_register_class_device(struct class_device **class_dev_p,
- const char *fw_name, struct device *device)
+static int fw_register_device(struct device **dev_p, const char *fw_name,
+ struct device *device)
{
int retval;
struct firmware_priv *fw_priv = kzalloc(sizeof(*fw_priv),
GFP_KERNEL);
- struct class_device *class_dev = kzalloc(sizeof(*class_dev),
- GFP_KERNEL);
+ struct device *f_dev = kzalloc(sizeof(*f_dev), GFP_KERNEL);
- *class_dev_p = NULL;
+ *dev_p = NULL;
- if (!fw_priv || !class_dev) {
+ if (!fw_priv || !f_dev) {
printk(KERN_ERR "%s: kmalloc failed\n", __FUNCTION__);
retval = -ENOMEM;
goto error_kfree;
@@ -331,55 +328,54 @@ fw_register_class_device(struct class_de
fw_priv->timeout.data = (u_long) fw_priv;
init_timer(&fw_priv->timeout);
- fw_setup_class_device_id(class_dev, device);
- class_dev->dev = device;
- class_dev->class = &firmware_class;
- class_set_devdata(class_dev, fw_priv);
- retval = class_device_register(class_dev);
+ fw_setup_device_id(f_dev, device);
+ f_dev->parent = device;
+ f_dev->class = &firmware_class;
+ dev_set_drvdata(f_dev, fw_priv);
+ retval = device_register(f_dev);
if (retval) {
- printk(KERN_ERR "%s: class_device_register failed\n",
+ printk(KERN_ERR "%s: device_register failed\n",
__FUNCTION__);
goto error_kfree;
}
- *class_dev_p = class_dev;
+ *dev_p = f_dev;
return 0;
error_kfree:
kfree(fw_priv);
- kfree(class_dev);
+ kfree(f_dev);
return retval;
}
-static int
-fw_setup_class_device(struct firmware *fw, struct class_device **class_dev_p,
- const char *fw_name, struct device *device, int uevent)
+static int fw_setup_device(struct firmware *fw, struct device **dev_p,
+ const char *fw_name, struct device *device,
+ int uevent)
{
- struct class_device *class_dev;
+ struct device *f_dev;
struct firmware_priv *fw_priv;
int retval;
- *class_dev_p = NULL;
- retval = fw_register_class_device(&class_dev, fw_name, device);
+ *dev_p = NULL;
+ retval = fw_register_device(&f_dev, fw_name, device);
if (retval)
goto out;
/* Need to pin this module until class device is destroyed */
__module_get(THIS_MODULE);
- fw_priv = class_get_devdata(class_dev);
+ fw_priv = dev_get_drvdata(f_dev);
fw_priv->fw = fw;
- retval = sysfs_create_bin_file(&class_dev->kobj, &fw_priv->attr_data);
+ retval = sysfs_create_bin_file(&f_dev->kobj, &fw_priv->attr_data);
if (retval) {
printk(KERN_ERR "%s: sysfs_create_bin_file failed\n",
__FUNCTION__);
goto error_unreg;
}
- retval = class_device_create_file(class_dev,
- &class_device_attr_loading);
+ retval = device_create_file(f_dev, &dev_attr_loading);
if (retval) {
- printk(KERN_ERR "%s: class_device_create_file failed\n",
+ printk(KERN_ERR "%s: device_create_file failed\n",
__FUNCTION__);
goto error_unreg;
}
@@ -388,11 +384,11 @@ fw_setup_class_device(struct firmware *f
set_bit(FW_STATUS_READY, &fw_priv->status);
else
set_bit(FW_STATUS_READY_NOHOTPLUG, &fw_priv->status);
- *class_dev_p = class_dev;
+ *dev_p = f_dev;
goto out;
error_unreg:
- class_device_unregister(class_dev);
+ device_unregister(f_dev);
out:
return retval;
}
@@ -401,7 +397,7 @@ static int
_request_firmware(const struct firmware **firmware_p, const char *name,
struct device *device, int uevent)
{
- struct class_device *class_dev;
+ struct device *f_dev;
struct firmware_priv *fw_priv;
struct firmware *firmware;
int retval;
@@ -417,12 +413,11 @@ _request_firmware(const struct firmware
goto out;
}
- retval = fw_setup_class_device(firmware, &class_dev, name, device,
- uevent);
+ retval = fw_setup_device(firmware, &f_dev, name, device, uevent);
if (retval)
goto error_kfree_fw;
- fw_priv = class_get_devdata(class_dev);
+ fw_priv = dev_get_drvdata(f_dev);
if (uevent) {
if (loading_timeout > 0) {
@@ -430,7 +425,7 @@ _request_firmware(const struct firmware
add_timer(&fw_priv->timeout);
}
- kobject_uevent(&class_dev->kobj, KOBJ_ADD);
+ kobject_uevent(&f_dev->kobj, KOBJ_ADD);
wait_for_completion(&fw_priv->completion);
set_bit(FW_STATUS_DONE, &fw_priv->status);
del_timer_sync(&fw_priv->timeout);
@@ -445,7 +440,7 @@ _request_firmware(const struct firmware
}
fw_priv->fw = NULL;
mutex_unlock(&fw_lock);
- class_device_unregister(class_dev);
+ device_unregister(f_dev);
goto out;
error_kfree_fw:
--
1.4.4.1
next prev parent reply other threads:[~2006-12-01 23:32 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-01 23:16 [GIT PATCH] Driver core patches for 2.6.19 Greg KH
2006-12-01 23:21 ` [PATCH 1/36] Driver core: add notification of bus events Greg KH
2006-12-01 23:21 ` [PATCH 2/36] Driver core: fix "driver" symlink timing Greg KH
2006-12-01 23:21 ` [PATCH 3/36] Driver Core: Move virtual_device_parent() to core.c Greg KH
2006-12-01 23:21 ` [PATCH 4/36] CONFIG_SYSFS_DEPRECATED Greg KH
2006-12-01 23:21 ` [PATCH 5/36] Driver core: make old versions of udev work properly Greg KH
2006-12-01 23:21 ` [PATCH 6/36] CONFIG_SYSFS_DEPRECATED - bus symlinks Greg KH
2006-12-01 23:21 ` [PATCH 7/36] CONFIG_SYSFS_DEPRECATED - device symlinks Greg KH
2006-12-01 23:21 ` [PATCH 8/36] CONFIG_SYSFS_DEPRECATED - PHYSDEV* uevent variables Greg KH
2006-12-01 23:21 ` [PATCH 9/36] CONFIG_SYSFS_DEPRECATED - class symlinks Greg KH
2006-12-01 23:21 ` [PATCH 10/36] Driver core: convert vt code to use struct device Greg KH
2006-12-01 23:21 ` [PATCH 11/36] Driver core: convert vc " Greg KH
2006-12-01 23:21 ` [PATCH 12/36] Driver core: change misc class_devices to be real devices Greg KH
2006-12-01 23:21 ` [PATCH 13/36] Driver core: convert tty core to use struct device Greg KH
2006-12-01 23:21 ` [PATCH 14/36] Driver core: convert raw device code " Greg KH
2006-12-01 23:21 ` [PATCH 15/36] I2C: convert i2c-dev to use struct device instead of struct class_device Greg KH
2006-12-01 23:21 ` [PATCH 16/36] Driver core: convert msr code to use struct device Greg KH
2006-12-01 23:21 ` [PATCH 17/36] Driver core: convert cpuid " Greg KH
2006-12-01 23:21 ` [PATCH 18/36] Driver core: convert PPP " Greg KH
2006-12-01 23:21 ` [PATCH 19/36] Driver core: convert ppdev " Greg KH
2006-12-01 23:21 ` [PATCH 20/36] Driver core: convert mmc " Greg KH
2006-12-01 23:21 ` Greg KH [this message]
2006-12-01 23:21 ` [PATCH 22/36] Driver core: convert fb " Greg KH
2006-12-01 23:21 ` [PATCH 23/36] Driver core: change mem class_devices to be real devices Greg KH
2006-12-01 23:21 ` [PATCH 24/36] Driver core: convert sound core to use struct device Greg KH
2006-12-01 23:21 ` [PATCH 25/36] Driver core: add dev_archdata to " Greg KH
2006-12-01 23:21 ` [PATCH 26/36] ACPI: Change ACPI to use dev_archdata instead of firmware_data Greg KH
2006-12-01 23:21 ` [PATCH 27/36] Driver core: Call platform_notify_remove later Greg KH
2006-12-01 23:21 ` [PATCH 28/36] cpu topology: consider sysfs_create_group return value Greg KH
2006-12-01 23:21 ` [PATCH 29/36] sysfs: sysfs_write_file() writes zero terminated data Greg KH
2006-12-01 23:22 ` [PATCH 30/36] driver core: Introduce device_find_child() Greg KH
2006-12-01 23:22 ` [PATCH 31/36] Driver core: make drivers/base/core.c:setup_parent() static Greg KH
2006-12-01 23:22 ` [PATCH 32/36] driver core: Introduce device_move(): move a device to a new parent Greg KH
2006-12-01 23:22 ` [PATCH 33/36] driver core: Use klist_remove() in device_move() Greg KH
2006-12-01 23:22 ` [PATCH 34/36] Driver core: platform_driver_probe(), can save codespace Greg KH
2006-12-01 23:22 ` [PATCH 35/36] Documentation/driver-model/platform.txt update/rewrite Greg KH
2006-12-01 23:22 ` [PATCH 36/36] Driver core: show drivers in /sys/module/ Greg KH
2006-12-03 16:26 ` [PATCH 32/36] driver core: Introduce device_move(): move a device to a new parent Marcel Holtmann
2006-12-04 19:58 ` Greg KH
2006-12-04 21:15 ` Marcel Holtmann
2006-12-04 23:05 ` Greg KH
2006-12-05 15:26 ` Marcel Holtmann
2006-12-06 5:58 ` Greg KH
2006-12-06 8:29 ` Marcel Holtmann
2006-12-06 9:03 ` Martin Schwidefsky
2007-01-08 13:21 ` Cornelia Huck
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