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ARM: OMAP: second set of PRM/CM/CGRM cleanup patches for 3.8

Benoit Cousson linux-arm-kernel linux-omap linux-watchdog 1 version New

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Cover letter [PATCH 0/7] ARM: OMAP: second set of PRM/CM/CGRM cleanup patches for 3.8

Hi Paul,

What is CGRM? Is it a typo?

Regards,
Benoit

Quoted 70 lines · Paul Walmsley

This series removes the omap_prcm_get_reset_sources() function. This was exported from arch/arm/mach-omap2/prcm.c for use by the OMAP watchdog driver to report the "boot reason". This series reimplements this using a platform_data function pointer for the time being, but after the upcoming PRM/CM drivers are merged, the watchdog driver can be patched to use an exported function from the drivers.

This series will also be used as a base for other PRM/CM cleanup during the 3.8 time frame, since it adds the prm_register() and prm_unregister() functions. These are called by SoC-specific PRM IP block drivers to register function pointers with the PRM subsystem.

This series changes the format of the watchdog's boot reason data to conform with the watchdog subsystem standard (the WDIOF_* flags). If users need more detail than that interface provides, either the watchdog interface can be patched, or those users can get that information from the upcoming PRM drivers.

- Paul

---

prcm_cleanup_b_3.8
text data bss dec hex filename
7519295 696796 5613996 13830087 d307c7 vmlinux.omap2plus_defconfig.orig
7520203 696868 5613996 13831067 d30b9b vmlinux.omap2plus_defconfig

Paul Walmsley (7):
ARM: OMAP2+: PRM: prepare for use of prm_ll_data function pointers
ARM: OMAP2+: CM: prepare for use of cm_ll_data function pointers
ARM: OMAP1: create read_reset_sources() function (for initial use by watchdog)
ARM: OMAP2+: PRM: create PRM reset source API for the watchdog timer driver
ARM: OMAP2+: WDT: move init; add read_reset_sources pdata function pointer
watchdog: OMAP: use standard GETBOOTSTATUS interface; use platform_data fn ptr
ARM: OMAP2+: PRCM: remove omap_prcm_get_reset_sources()

 arch/arm/mach-omap1/common.h                |    2 +
 arch/arm/mach-omap1/devices.c               |   21 ++++++-
 arch/arm/mach-omap1/reset.c                 |   39 +++++++++++++
 arch/arm/mach-omap2/Makefile                |    2 -
 arch/arm/mach-omap2/cm.h                    |   12 ++++
 arch/arm/mach-omap2/cm_common.c             |   71 +++++++++++++++++++++++
 arch/arm/mach-omap2/devices.c               |   26 --------
 arch/arm/mach-omap2/prcm.c                  |   12 ----
 arch/arm/mach-omap2/prm-regbits-24xx.h      |    4 +
 arch/arm/mach-omap2/prm-regbits-34xx.h      |   10 +++
 arch/arm/mach-omap2/prm.h                   |   53 +++++++++++++++++
 arch/arm/mach-omap2/prm2xxx.c               |   68 ++++++++++++++++++++++
 arch/arm/mach-omap2/prm2xxx.h               |    4 +
 arch/arm/mach-omap2/prm2xxx_3xxx.h          |    2 +
 arch/arm/mach-omap2/prm3xxx.c               |   65 +++++++++++++++++++++
 arch/arm/mach-omap2/prm3xxx.h               |    2 +
 arch/arm/mach-omap2/prm44xx.c               |   83 ++++++++++++++++++++++++++-
 arch/arm/mach-omap2/prm44xx.h               |    2 +
 arch/arm/mach-omap2/prm_common.c            |   78 +++++++++++++++++++++++++
 arch/arm/mach-omap2/wd_timer.c              |   33 +++++++++++
 arch/arm/plat-omap/include/plat/prcm.h      |    1 
 drivers/watchdog/omap_wdt.c                 |   26 ++++----
 include/linux/platform_data/omap-wd-timer.h |   38 ++++++++++++
 23 files changed, 594 insertions(+), 60 deletions(-)
 create mode 100644 arch/arm/mach-omap2/cm_common.c
 create mode 100644 include/linux/platform_data/omap-wd-timer.h

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