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RTC for 5.11

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Subsystem:
  - Remove nvram ABI. There was no complaints about the deprecation for the last
    3 years.
  - Improve RTC device allocation and registration
  - Now available for ARCH=um
 
 Drivers:
  - at91rm9200: correction and sam9x60 support
  - ds1307: improve ACPI support
  - mxc: now DT only
  - pcf2127: watchdog support now needs the reset-source property
  - pcf8523: set range
  - rx6110: i2c support
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Merge tag 'rtc-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Subsystem:

   - Remove nvram ABI. There was no complaints about the deprecation for
     the last 3 years.

   - Improve RTC device allocation and registration

   - Now available for ARCH=um

  Drivers:

   - at91rm9200: correction and sam9x60 support

   - ds1307: improve ACPI support

   - mxc: now DT only

   - pcf2127: watchdog support now needs the reset-source property

   - pcf8523: set range

   - rx6110: i2c support"

* tag 'rtc-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (43 commits)
  rtc: pcf2127: only use watchdog when explicitly available
  dt-bindings: rtc: add reset-source property
  rtc: fix RTC removal
  rtc: s3c: Remove dead code related to periodic tick handling
  rtc: s3c: Disable all enable (RTC, tick) bits in the probe
  rtc: ep93xx: Fix NULL pointer dereference in ep93xx_rtc_read_time
  rtc: test: remove debug message
  rtc: mxc{,_v2}: enable COMPILE_TEST
  rtc: enable RTC framework on ARCH=um
  rtc: pcf8523: use BIT
  rtc: pcf8523: set range
  rtc: pcf8523: switch to devm_rtc_allocate_device
  rtc: destroy mutex when releasing the device
  rtc: shrink devm_rtc_allocate_device()
  rtc: rework rtc_register_device() resource management
  rtc: nvmem: emit an error message when nvmem registration fails
  rtc: add devm_ prefix to rtc_nvmem_register()
  rtc: nvmem: remove nvram ABI
  Documentation: list RTC devres helpers in devres.rst
  rtc: omap: use devm_pinctrl_register()
  ...
This commit is contained in:
Linus Torvalds 2020-12-20 10:12:06 -08:00
commit f4a2f7866f
123 changed files with 579 additions and 790 deletions
Download patch file Download diff file Expand all files Collapse all files

22
include/linux/rtc.h
View file

@ -141,12 +141,6 @@ struct rtc_device {
*/
unsigned long set_offset_nsec;
bool registered;
/* Old ABI support */
bool nvram_old_abi;
struct bin_attribute *nvram;
time64_t range_min;
timeu64_t range_max;
time64_t start_secs;
@ -184,7 +178,7 @@ extern struct rtc_device *devm_rtc_device_register(struct device *dev,
const struct rtc_class_ops *ops,
struct module *owner);
struct rtc_device *devm_rtc_allocate_device(struct device *dev);
int __rtc_register_device(struct module *owner, struct rtc_device *rtc);
int __devm_rtc_register_device(struct module *owner, struct rtc_device *rtc);
extern int rtc_read_time(struct rtc_device *rtc, struct rtc_time *tm);
extern int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm);
@ -227,8 +221,8 @@ static inline bool is_leap_year(unsigned int year)
return (!(year % 4) && (year % 100)) || !(year % 400);
}
#define rtc_register_device(device) \
__rtc_register_device(THIS_MODULE, device)
#define devm_rtc_register_device(device) \
__devm_rtc_register_device(THIS_MODULE, device)
#ifdef CONFIG_RTC_HCTOSYS_DEVICE
extern int rtc_hctosys_ret;
@ -237,16 +231,14 @@ extern int rtc_hctosys_ret;
#endif
#ifdef CONFIG_RTC_NVMEM
int rtc_nvmem_register(struct rtc_device *rtc,
struct nvmem_config *nvmem_config);
void rtc_nvmem_unregister(struct rtc_device *rtc);
int devm_rtc_nvmem_register(struct rtc_device *rtc,
struct nvmem_config *nvmem_config);
#else
static inline int rtc_nvmem_register(struct rtc_device *rtc,
struct nvmem_config *nvmem_config)
static inline int devm_rtc_nvmem_register(struct rtc_device *rtc,
struct nvmem_config *nvmem_config)
{
return 0;
}
static inline void rtc_nvmem_unregister(struct rtc_device *rtc) {}
#endif
#ifdef CONFIG_RTC_INTF_SYSFS