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Driver core patches for 3.12-rc1

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Here's the big driver core pull request for 3.12-rc1.
 
 Lots of tiny changes here fixing up the way sysfs attributes are
 created, to try to make drivers simpler, and fix a whole class race
 conditions with creations of device attributes after the device was
 announced to userspace.
 
 All the various pieces are acked by the different subsystem maintainers.
 
 Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Merge tag 'driver-core-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core patches from Greg KH:
 "Here's the big driver core pull request for 3.12-rc1.

  Lots of tiny changes here fixing up the way sysfs attributes are
  created, to try to make drivers simpler, and fix a whole class race
  conditions with creations of device attributes after the device was
  announced to userspace.

  All the various pieces are acked by the different subsystem
  maintainers"

* tag 'driver-core-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (119 commits)
  firmware loader: fix pending_fw_head list corruption
  drivers/base/memory.c: introduce help macro to_memory_block
  dynamic debug: line queries failing due to uninitialized local variable
  sysfs: sysfs_create_groups returns a value.
  debugfs: provide debugfs_create_x64() when disabled
  rbd: convert bus code to use bus_groups
  firmware: dcdbas: use binary attribute groups
  sysfs: add sysfs_create/remove_groups for when SYSFS is not enabled
  driver core: add #include <linux/sysfs.h> to core files.
  HID: convert bus code to use dev_groups
  Input: serio: convert bus code to use drv_groups
  Input: gameport: convert bus code to use drv_groups
  driver core: firmware: use __ATTR_RW()
  driver core: core: use DEVICE_ATTR_RO
  driver core: bus: use DRIVER_ATTR_WO()
  driver core: create write-only attribute macros for devices and drivers
  sysfs: create __ATTR_WO()
  driver-core: platform: convert bus code to use dev_groups
  workqueue: convert bus code to use dev_groups
  MEI: convert bus code to use dev_groups
  ...
This commit is contained in:
Linus Torvalds 2013-09-03 11:37:15 -07:00
commit 542a086ac7
99 changed files with 1958 additions and 1915 deletions
Download patch file Download diff file Expand all files Collapse all files

46
drivers/rtc/rtc-sysfs.c
View file

@ -25,15 +25,14 @@
*/
static ssize_t
rtc_sysfs_show_name(struct device *dev, struct device_attribute *attr,
char *buf)
name_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", to_rtc_device(dev)->name);
}
static DEVICE_ATTR_RO(name);
static ssize_t
rtc_sysfs_show_date(struct device *dev, struct device_attribute *attr,
char *buf)
date_show(struct device *dev, struct device_attribute *attr, char *buf)
{
ssize_t retval;
struct rtc_time tm;
@ -46,10 +45,10 @@ rtc_sysfs_show_date(struct device *dev, struct device_attribute *attr,
return retval;
}
static DEVICE_ATTR_RO(date);
static ssize_t
rtc_sysfs_show_time(struct device *dev, struct device_attribute *attr,
char *buf)
time_show(struct device *dev, struct device_attribute *attr, char *buf)
{
ssize_t retval;
struct rtc_time tm;
@ -62,10 +61,10 @@ rtc_sysfs_show_time(struct device *dev, struct device_attribute *attr,
return retval;
}
static DEVICE_ATTR_RO(time);
static ssize_t
rtc_sysfs_show_since_epoch(struct device *dev, struct device_attribute *attr,
char *buf)
since_epoch_show(struct device *dev, struct device_attribute *attr, char *buf)
{
ssize_t retval;
struct rtc_time tm;
@ -79,16 +78,16 @@ rtc_sysfs_show_since_epoch(struct device *dev, struct device_attribute *attr,
return retval;
}
static DEVICE_ATTR_RO(since_epoch);
static ssize_t
rtc_sysfs_show_max_user_freq(struct device *dev, struct device_attribute *attr,
char *buf)
max_user_freq_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%d\n", to_rtc_device(dev)->max_user_freq);
}
static ssize_t
rtc_sysfs_set_max_user_freq(struct device *dev, struct device_attribute *attr,
max_user_freq_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t n)
{
struct rtc_device *rtc = to_rtc_device(dev);
@ -101,6 +100,7 @@ rtc_sysfs_set_max_user_freq(struct device *dev, struct device_attribute *attr,
return n;
}
static DEVICE_ATTR_RW(max_user_freq);
/**
* rtc_sysfs_show_hctosys - indicate if the given RTC set the system time
@ -109,8 +109,7 @@ rtc_sysfs_set_max_user_freq(struct device *dev, struct device_attribute *attr,
* boot or resume event.
*/
static ssize_t
rtc_sysfs_show_hctosys(struct device *dev, struct device_attribute *attr,
char *buf)
hctosys_show(struct device *dev, struct device_attribute *attr, char *buf)
{
#ifdef CONFIG_RTC_HCTOSYS_DEVICE
if (rtc_hctosys_ret == 0 &&
@ -121,17 +120,18 @@ rtc_sysfs_show_hctosys(struct device *dev, struct device_attribute *attr,
#endif
return sprintf(buf, "0\n");
}
static DEVICE_ATTR_RO(hctosys);
static struct device_attribute rtc_attrs[] = {
__ATTR(name, S_IRUGO, rtc_sysfs_show_name, NULL),
__ATTR(date, S_IRUGO, rtc_sysfs_show_date, NULL),
__ATTR(time, S_IRUGO, rtc_sysfs_show_time, NULL),
__ATTR(since_epoch, S_IRUGO, rtc_sysfs_show_since_epoch, NULL),
__ATTR(max_user_freq, S_IRUGO | S_IWUSR, rtc_sysfs_show_max_user_freq,
rtc_sysfs_set_max_user_freq),
__ATTR(hctosys, S_IRUGO, rtc_sysfs_show_hctosys, NULL),
{ },
static struct attribute *rtc_attrs[] = {
&dev_attr_name.attr,
&dev_attr_date.attr,
&dev_attr_time.attr,
&dev_attr_since_epoch.attr,
&dev_attr_max_user_freq.attr,
&dev_attr_hctosys.attr,
NULL,
};
ATTRIBUTE_GROUPS(rtc);
static ssize_t
rtc_sysfs_show_wakealarm(struct device *dev, struct device_attribute *attr,
@ -261,5 +261,5 @@ void rtc_sysfs_del_device(struct rtc_device *rtc)
void __init rtc_sysfs_init(struct class *rtc_class)
{
rtc_class->dev_attrs = rtc_attrs;
rtc_class->dev_groups = rtc_groups;
}