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Merge branch 'master' into for-next

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Conflicts:
	arch/arm/mach-omap1/board-nokia770.c
This commit is contained in:
Jiri Kosina 2010-08-10 13:22:08 +02:00
commit fb8231a8b1
3773 changed files with 258470 additions and 225356 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/base/bus.c
View file

@ -945,8 +945,8 @@ bus_devices_fail:
bus_remove_file(bus, &bus_attr_uevent);
bus_uevent_fail:
kset_unregister(&bus->p->subsys);
kfree(bus->p);
out:
kfree(bus->p);
bus->p = NULL;
return retval;
}

2
drivers/base/core.c
View file

@ -1599,7 +1599,7 @@ EXPORT_SYMBOL_GPL(device_destroy);
* on the same device to ensure that new_name is valid and
* won't conflict with other devices.
*/
int device_rename(struct device *dev, char *new_name)
int device_rename(struct device *dev, const char *new_name)
{
char *old_class_name = NULL;
char *new_class_name = NULL;

4
drivers/base/dd.c
View file

@ -51,6 +51,10 @@ static int driver_sysfs_add(struct device *dev)
{
int ret;
if (dev->bus)
blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
BUS_NOTIFY_BIND_DRIVER, dev);
ret = sysfs_create_link(&dev->driver->p->kobj, &dev->kobj,
kobject_name(&dev->kobj));
if (ret == 0) {

2
drivers/base/dma-coherent.c
View file

@ -8,7 +8,7 @@
struct dma_coherent_mem {
void *virt_base;
u32 device_base;
dma_addr_t device_base;
int size;
int flags;
unsigned long *bitmap;

268
drivers/base/firmware_class.c
View file

@ -87,29 +87,32 @@ static DEFINE_MUTEX(fw_lock);
struct firmware_priv {
struct completion completion;
struct bin_attribute attr_data;
struct firmware *fw;
unsigned long status;
struct page **pages;
int nr_pages;
int page_array_size;
struct timer_list timeout;
struct device dev;
bool nowait;
char fw_id[];
};
static void
fw_load_abort(struct firmware_priv *fw_priv)
static struct firmware_priv *to_firmware_priv(struct device *dev)
{
return container_of(dev, struct firmware_priv, dev);
}
static void fw_load_abort(struct firmware_priv *fw_priv)
{
set_bit(FW_STATUS_ABORT, &fw_priv->status);
wmb();
complete(&fw_priv->completion);
}
static ssize_t
firmware_timeout_show(struct class *class,
struct class_attribute *attr,
char *buf)
static ssize_t firmware_timeout_show(struct class *class,
struct class_attribute *attr,
char *buf)
{
return sprintf(buf, "%d\n", loading_timeout);
}
@ -127,14 +130,14 @@ firmware_timeout_show(struct class *class,
*
* Note: zero means 'wait forever'.
**/
static ssize_t
firmware_timeout_store(struct class *class,
struct class_attribute *attr,
const char *buf, size_t count)
static ssize_t firmware_timeout_store(struct class *class,
struct class_attribute *attr,
const char *buf, size_t count)
{
loading_timeout = simple_strtol(buf, NULL, 10);
if (loading_timeout < 0)
loading_timeout = 0;
return count;
}
@ -146,21 +149,20 @@ static struct class_attribute firmware_class_attrs[] = {
static void fw_dev_release(struct device *dev)
{
struct firmware_priv *fw_priv = dev_get_drvdata(dev);
struct firmware_priv *fw_priv = to_firmware_priv(dev);
int i;
for (i = 0; i < fw_priv->nr_pages; i++)
__free_page(fw_priv->pages[i]);
kfree(fw_priv->pages);
kfree(fw_priv);
kfree(dev);
module_put(THIS_MODULE);
}
static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct firmware_priv *fw_priv = dev_get_drvdata(dev);
struct firmware_priv *fw_priv = to_firmware_priv(dev);
if (add_uevent_var(env, "FIRMWARE=%s", fw_priv->fw_id))
return -ENOMEM;
@ -182,8 +184,9 @@ static struct class firmware_class = {
static ssize_t firmware_loading_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct firmware_priv *fw_priv = dev_get_drvdata(dev);
struct firmware_priv *fw_priv = to_firmware_priv(dev);
int loading = test_bit(FW_STATUS_LOADING, &fw_priv->status);
return sprintf(buf, "%d\n", loading);
}
@ -219,7 +222,7 @@ static ssize_t firmware_loading_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct firmware_priv *fw_priv = dev_get_drvdata(dev);
struct firmware_priv *fw_priv = to_firmware_priv(dev);
int loading = simple_strtol(buf, NULL, 10);
int i;
@ -277,13 +280,12 @@ static ssize_t firmware_loading_store(struct device *dev,
static DEVICE_ATTR(loading, 0644, firmware_loading_show, firmware_loading_store);
static ssize_t
firmware_data_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buffer, loff_t offset,
size_t count)
static ssize_t firmware_data_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buffer, loff_t offset, size_t count)
{
struct device *dev = to_dev(kobj);
struct firmware_priv *fw_priv = dev_get_drvdata(dev);
struct firmware_priv *fw_priv = to_firmware_priv(dev);
struct firmware *fw;
ssize_t ret_count;
@ -322,8 +324,7 @@ out:
return ret_count;
}
static int
fw_realloc_buffer(struct firmware_priv *fw_priv, int min_size)
static int fw_realloc_buffer(struct firmware_priv *fw_priv, int min_size)
{
int pages_needed = ALIGN(min_size, PAGE_SIZE) >> PAGE_SHIFT;
@ -373,13 +374,12 @@ fw_realloc_buffer(struct firmware_priv *fw_priv, int min_size)
* Data written to the 'data' attribute will be later handed to
* the driver as a firmware image.
**/
static ssize_t
firmware_data_write(struct file* filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buffer,
loff_t offset, size_t count)
static ssize_t firmware_data_write(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buffer, loff_t offset, size_t count)
{
struct device *dev = to_dev(kobj);
struct firmware_priv *fw_priv = dev_get_drvdata(dev);
struct firmware_priv *fw_priv = to_firmware_priv(dev);
struct firmware *fw;
ssize_t retval;
@ -420,116 +420,103 @@ out:
return retval;
}
static struct bin_attribute firmware_attr_data_tmpl = {
.attr = {.name = "data", .mode = 0644},
static struct bin_attribute firmware_attr_data = {
.attr = { .name = "data", .mode = 0644 },
.size = 0,
.read = firmware_data_read,
.write = firmware_data_write,
};
static void
firmware_class_timeout(u_long data)
static void firmware_class_timeout(u_long data)
{
struct firmware_priv *fw_priv = (struct firmware_priv *) data;
fw_load_abort(fw_priv);
}
static int fw_register_device(struct device **dev_p, const char *fw_name,
struct device *device)
static struct firmware_priv *
fw_create_instance(struct firmware *firmware, const char *fw_name,
struct device *device, bool uevent, bool nowait)
{
int retval;
struct firmware_priv *fw_priv =
kzalloc(sizeof(*fw_priv) + strlen(fw_name) + 1 , GFP_KERNEL);
struct device *f_dev = kzalloc(sizeof(*f_dev), GFP_KERNEL);
struct firmware_priv *fw_priv;
struct device *f_dev;
int error;
*dev_p = NULL;
if (!fw_priv || !f_dev) {
fw_priv = kzalloc(sizeof(*fw_priv) + strlen(fw_name) + 1 , GFP_KERNEL);
if (!fw_priv) {
dev_err(device, "%s: kmalloc failed\n", __func__);
retval = -ENOMEM;
goto error_kfree;
error = -ENOMEM;
goto err_out;
}
fw_priv->fw = firmware;
fw_priv->nowait = nowait;
strcpy(fw_priv->fw_id, fw_name);
init_completion(&fw_priv->completion);
fw_priv->attr_data = firmware_attr_data_tmpl;
fw_priv->timeout.function = firmware_class_timeout;
fw_priv->timeout.data = (u_long) fw_priv;
init_timer(&fw_priv->timeout);
setup_timer(&fw_priv->timeout,
firmware_class_timeout, (u_long) fw_priv);
f_dev = &fw_priv->dev;
device_initialize(f_dev);
dev_set_name(f_dev, "%s", dev_name(device));
f_dev->parent = device;
f_dev->class = &firmware_class;
dev_set_drvdata(f_dev, fw_priv);
dev_set_uevent_suppress(f_dev, 1);
retval = device_register(f_dev);
if (retval) {
dev_err(device, "%s: device_register failed\n", __func__);
put_device(f_dev);
return retval;
}
*dev_p = f_dev;
return 0;
error_kfree:
kfree(f_dev);
kfree(fw_priv);
return retval;
}
static int fw_setup_device(struct firmware *fw, struct device **dev_p,
const char *fw_name, struct device *device,
int uevent, bool nowait)
{
struct device *f_dev;
struct firmware_priv *fw_priv;
int retval;
*dev_p = NULL;
retval = fw_register_device(&f_dev, fw_name, device);
if (retval)
goto out;
dev_set_uevent_suppress(f_dev, true);
/* Need to pin this module until class device is destroyed */
__module_get(THIS_MODULE);
fw_priv = dev_get_drvdata(f_dev);
fw_priv->nowait = nowait;
fw_priv->fw = fw;
sysfs_bin_attr_init(&fw_priv->attr_data);
retval = sysfs_create_bin_file(&f_dev->kobj, &fw_priv->attr_data);
if (retval) {
dev_err(device, "%s: sysfs_create_bin_file failed\n", __func__);
goto error_unreg;
error = device_add(f_dev);
if (error) {
dev_err(device, "%s: device_register failed\n", __func__);
goto err_put_dev;
}
retval = device_create_file(f_dev, &dev_attr_loading);
if (retval) {
error = device_create_bin_file(f_dev, &firmware_attr_data);
if (error) {
dev_err(device, "%s: sysfs_create_bin_file failed\n", __func__);
goto err_del_dev;
}
error = device_create_file(f_dev, &dev_attr_loading);
if (error) {
dev_err(device, "%s: device_create_file failed\n", __func__);
goto error_unreg;
goto err_del_bin_attr;
}
if (uevent)
dev_set_uevent_suppress(f_dev, 0);
*dev_p = f_dev;
goto out;
dev_set_uevent_suppress(f_dev, false);
error_unreg:
device_unregister(f_dev);
out:
return retval;
return fw_priv;
err_del_bin_attr:
device_remove_bin_file(f_dev, &firmware_attr_data);
err_del_dev:
device_del(f_dev);
err_put_dev:
put_device(f_dev);
err_out:
return ERR_PTR(error);
}
static int
_request_firmware(const struct firmware **firmware_p, const char *name,
struct device *device, int uevent, bool nowait)
static void fw_destroy_instance(struct firmware_priv *fw_priv)
{
struct device *f_dev = &fw_priv->dev;
device_remove_file(f_dev, &dev_attr_loading);
device_remove_bin_file(f_dev, &firmware_attr_data);
device_unregister(f_dev);
}
static int _request_firmware(const struct firmware **firmware_p,
const char *name, struct device *device,
bool uevent, bool nowait)
{
struct device *f_dev;
struct firmware_priv *fw_priv;
struct firmware *firmware;
int retval;
int retval = 0;
if (!firmware_p)
return -EINVAL;
@ -550,41 +537,40 @@ _request_firmware(const struct firmware **firmware_p, const char *name,
if (uevent)
dev_dbg(device, "firmware: requesting %s\n", name);
retval = fw_setup_device(firmware, &f_dev, name, device,
uevent, nowait);
if (retval)
goto error_kfree_fw;
fw_priv = dev_get_drvdata(f_dev);
fw_priv = fw_create_instance(firmware, name, device, uevent, nowait);
if (IS_ERR(fw_priv)) {
retval = PTR_ERR(fw_priv);
goto out;
}
if (uevent) {
if (loading_timeout > 0) {
fw_priv->timeout.expires = jiffies + loading_timeout * HZ;
add_timer(&fw_priv->timeout);
}
if (loading_timeout > 0)
mod_timer(&fw_priv->timeout,
round_jiffies_up(jiffies +
loading_timeout * HZ));
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);
} else
wait_for_completion(&fw_priv->completion);
kobject_uevent(&fw_priv->dev.kobj, KOBJ_ADD);
}
wait_for_completion(&fw_priv->completion);
set_bit(FW_STATUS_DONE, &fw_priv->status);
del_timer_sync(&fw_priv->timeout);
mutex_lock(&fw_lock);
if (!fw_priv->fw->size || test_bit(FW_STATUS_ABORT, &fw_priv->status)) {
if (!fw_priv->fw->size || test_bit(FW_STATUS_ABORT, &fw_priv->status))
retval = -ENOENT;
release_firmware(fw_priv->fw);
*firmware_p = NULL;
}
fw_priv->fw = NULL;
mutex_unlock(&fw_lock);
device_unregister(f_dev);
goto out;
error_kfree_fw:
kfree(firmware);
*firmware_p = NULL;
fw_destroy_instance(fw_priv);
out:
if (retval) {
release_firmware(firmware);
firmware_p = NULL;
}
return retval;
}
@ -635,23 +621,24 @@ struct firmware_work {
int uevent;
};
static int
request_firmware_work_func(void *arg)
static int request_firmware_work_func(void *arg)
{
struct firmware_work *fw_work = arg;
const struct firmware *fw;
int ret;
if (!arg) {
WARN_ON(1);
return 0;
}
ret = _request_firmware(&fw, fw_work->name, fw_work->device,
fw_work->uevent, true);
ret = _request_firmware(&fw, fw_work->name, fw_work->device,
fw_work->uevent, true);
fw_work->cont(fw, fw_work->context);
module_put(fw_work->module);
kfree(fw_work);
return ret;
}
@ -679,34 +666,33 @@ request_firmware_nowait(
void (*cont)(const struct firmware *fw, void *context))
{
struct task_struct *task;
struct firmware_work *fw_work = kmalloc(sizeof (struct firmware_work),
gfp);
struct firmware_work *fw_work;
fw_work = kzalloc(sizeof (struct firmware_work), gfp);
if (!fw_work)
return -ENOMEM;
fw_work->module = module;
fw_work->name = name;
fw_work->device = device;
fw_work->context = context;
fw_work->cont = cont;
fw_work->uevent = uevent;
if (!try_module_get(module)) {
kfree(fw_work);
return -EFAULT;
}
*fw_work = (struct firmware_work) {
.module = module,
.name = name,
.device = device,
.context = context,
.cont = cont,
.uevent = uevent,
};
task = kthread_run(request_firmware_work_func, fw_work,
"firmware/%s", name);
if (IS_ERR(task)) {
fw_work->cont(NULL, fw_work->context);
module_put(fw_work->module);
kfree(fw_work);
return PTR_ERR(task);
}
return 0;
}

46
drivers/base/node.c
View file

@ -66,8 +66,7 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
struct sysinfo i;
si_meminfo_node(&i, nid);
n = sprintf(buf, "\n"
n = sprintf(buf,
"Node %d MemTotal: %8lu kB\n"
"Node %d MemFree: %8lu kB\n"
"Node %d MemUsed: %8lu kB\n"
@ -78,13 +77,33 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
"Node %d Active(file): %8lu kB\n"
"Node %d Inactive(file): %8lu kB\n"
"Node %d Unevictable: %8lu kB\n"
"Node %d Mlocked: %8lu kB\n"
"Node %d Mlocked: %8lu kB\n",
nid, K(i.totalram),
nid, K(i.freeram),
nid, K(i.totalram - i.freeram),
nid, K(node_page_state(nid, NR_ACTIVE_ANON) +
node_page_state(nid, NR_ACTIVE_FILE)),
nid, K(node_page_state(nid, NR_INACTIVE_ANON) +
node_page_state(nid, NR_INACTIVE_FILE)),
nid, K(node_page_state(nid, NR_ACTIVE_ANON)),
nid, K(node_page_state(nid, NR_INACTIVE_ANON)),
nid, K(node_page_state(nid, NR_ACTIVE_FILE)),
nid, K(node_page_state(nid, NR_INACTIVE_FILE)),
nid, K(node_page_state(nid, NR_UNEVICTABLE)),
nid, K(node_page_state(nid, NR_MLOCK)));
#ifdef CONFIG_HIGHMEM
n += sprintf(buf + n,
"Node %d HighTotal: %8lu kB\n"
"Node %d HighFree: %8lu kB\n"
"Node %d LowTotal: %8lu kB\n"
"Node %d LowFree: %8lu kB\n"
"Node %d LowFree: %8lu kB\n",
nid, K(i.totalhigh),
nid, K(i.freehigh),
nid, K(i.totalram - i.totalhigh),
nid, K(i.freeram - i.freehigh));
#endif
n += sprintf(buf + n,
"Node %d Dirty: %8lu kB\n"
"Node %d Writeback: %8lu kB\n"
"Node %d FilePages: %8lu kB\n"
@ -99,25 +118,6 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
"Node %d Slab: %8lu kB\n"
"Node %d SReclaimable: %8lu kB\n"
"Node %d SUnreclaim: %8lu kB\n",
nid, K(i.totalram),
nid, K(i.freeram),
nid, K(i.totalram - i.freeram),
nid, K(node_page_state(nid, NR_ACTIVE_ANON) +
node_page_state(nid, NR_ACTIVE_FILE)),
nid, K(node_page_state(nid, NR_INACTIVE_ANON) +
node_page_state(nid, NR_INACTIVE_FILE)),
nid, K(node_page_state(nid, NR_ACTIVE_ANON)),
nid, K(node_page_state(nid, NR_INACTIVE_ANON)),
nid, K(node_page_state(nid, NR_ACTIVE_FILE)),
nid, K(node_page_state(nid, NR_INACTIVE_FILE)),
nid, K(node_page_state(nid, NR_UNEVICTABLE)),
nid, K(node_page_state(nid, NR_MLOCK)),
#ifdef CONFIG_HIGHMEM
nid, K(i.totalhigh),
nid, K(i.freehigh),
nid, K(i.totalram - i.totalhigh),
nid, K(i.freeram - i.freehigh),
#endif
nid, K(node_page_state(nid, NR_FILE_DIRTY)),
nid, K(node_page_state(nid, NR_WRITEBACK)),
nid, K(node_page_state(nid, NR_FILE_PAGES)),

123
drivers/base/platform.c
View file

@ -12,6 +12,7 @@
#include <linux/string.h>
#include <linux/platform_device.h>
#include <linux/of_device.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
@ -191,13 +192,13 @@ int platform_device_add_resources(struct platform_device *pdev,
{
struct resource *r;
r = kmalloc(sizeof(struct resource) * num, GFP_KERNEL);
r = kmemdup(res, sizeof(struct resource) * num, GFP_KERNEL);
if (r) {
memcpy(r, res, sizeof(struct resource) * num);
pdev->resource = r;
pdev->num_resources = num;
return 0;
}
return r ? 0 : -ENOMEM;
return -ENOMEM;
}
EXPORT_SYMBOL_GPL(platform_device_add_resources);
@ -344,108 +345,56 @@ void platform_device_unregister(struct platform_device *pdev)
EXPORT_SYMBOL_GPL(platform_device_unregister);
/**
* platform_device_register_simple - add a platform-level device and its resources
* platform_device_register_resndata - add a platform-level device with
* resources and platform-specific data
*
* @parent: parent device for the device we're adding
* @name: base name of the device we're adding
* @id: instance id
* @res: set of resources that needs to be allocated for the device
* @num: number of resources
*
* This function creates a simple platform device that requires minimal
* resource and memory management. Canned release function freeing memory
* allocated for the device allows drivers using such devices to be
* unloaded without waiting for the last reference to the device to be
* dropped.
*
* This interface is primarily intended for use with legacy drivers which
* probe hardware directly. Because such drivers create sysfs device nodes
* themselves, rather than letting system infrastructure handle such device
* enumeration tasks, they don't fully conform to the Linux driver model.
* In particular, when such drivers are built as modules, they can't be
* "hotplugged".
*
* Returns &struct platform_device pointer on success, or ERR_PTR() on error.
*/
struct platform_device *platform_device_register_simple(const char *name,
int id,
const struct resource *res,
unsigned int num)
{
struct platform_device *pdev;
int retval;
pdev = platform_device_alloc(name, id);
if (!pdev) {
retval = -ENOMEM;
goto error;
}
if (num) {
retval = platform_device_add_resources(pdev, res, num);
if (retval)
goto error;
}
retval = platform_device_add(pdev);
if (retval)
goto error;
return pdev;
error:
platform_device_put(pdev);
return ERR_PTR(retval);
}
EXPORT_SYMBOL_GPL(platform_device_register_simple);
/**
* platform_device_register_data - add a platform-level device with platform-specific data
* @parent: parent device for the device we're adding
* @name: base name of the device we're adding
* @id: instance id
* @data: platform specific data for this platform device
* @size: size of platform specific data
*
* This function creates a simple platform device that requires minimal
* resource and memory management. Canned release function freeing memory
* allocated for the device allows drivers using such devices to be
* unloaded without waiting for the last reference to the device to be
* dropped.
*
* Returns &struct platform_device pointer on success, or ERR_PTR() on error.
*/
struct platform_device *platform_device_register_data(
struct platform_device *__init_or_module platform_device_register_resndata(
struct device *parent,
const char *name, int id,
const struct resource *res, unsigned int num,
const void *data, size_t size)
{
int ret = -ENOMEM;
struct platform_device *pdev;
int retval;
pdev = platform_device_alloc(name, id);
if (!pdev) {
retval = -ENOMEM;
goto error;
}
if (!pdev)
goto err;
pdev->dev.parent = parent;
if (size) {
retval = platform_device_add_data(pdev, data, size);
if (retval)
goto error;
if (res) {
ret = platform_device_add_resources(pdev, res, num);
if (ret)
goto err;
}
retval = platform_device_add(pdev);
if (retval)
goto error;
if (data) {
ret = platform_device_add_data(pdev, data, size);
if (ret)
goto err;
}
ret = platform_device_add(pdev);
if (ret) {
err:
platform_device_put(pdev);
return ERR_PTR(ret);
}
return pdev;
error:
platform_device_put(pdev);
return ERR_PTR(retval);
}
EXPORT_SYMBOL_GPL(platform_device_register_data);
EXPORT_SYMBOL_GPL(platform_device_register_resndata);
static int platform_drv_probe(struct device *_dev)
{
@ -635,6 +584,12 @@ static struct device_attribute platform_dev_attrs[] = {
static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct platform_device *pdev = to_platform_device(dev);
int rc;
/* Some devices have extra OF data and an OF-style MODALIAS */
rc = of_device_uevent(dev,env);
if (rc != -ENODEV)
return rc;
add_uevent_var(env, "MODALIAS=%s%s", PLATFORM_MODULE_PREFIX,
(pdev->id_entry) ? pdev->id_entry->name : pdev->name);
@ -673,7 +628,11 @@ static int platform_match(struct device *dev, struct device_driver *drv)
struct platform_device *pdev = to_platform_device(dev);
struct platform_driver *pdrv = to_platform_driver(drv);
/* match against the id table first */
/* Attempt an OF style match first */
if (of_driver_match_device(dev, drv))
return 1;
/* Then try to match against the id table */
if (pdrv->id_table)
return platform_match_id(pdrv->id_table, pdev) != NULL;