[PATCH v3 0/6] watchdog: pnx4008: add restart handler

[Sylvain Lemieux]

From: Sylvain Lemieux <slemieux at tycoint.com>

The LPC32xx provide the capability to perform a soft or hard reset;
a soft reset will no reset the external peripheral
(i.e. RESOUT_N output not asserted).

This changeset migrate the restart code from the "mach-lpc32xx" to
the "pnx-4008" watchdog driver and add the soft reset capability.

The default behavior (i.e. hard reset) remain unchanged.

The core restart handler support added by this change:
2165bf524da5f5e496d - "watchdog: core: add restart handler support"
is not use in this changeset; it does not support the reboot mode.

Note:
The patch #6 was generated with the option "--unified=2" to ensure
it can be apply before or after the following git pull request
for the LPC32xx platform:
- http://permalink.gmane.org/gmane.linux.ports.arm.kernel/477137
- http://permalink.gmane.org/gmane.linux.ports.arm.kernel/477138
---
Changes from v2 to v3:
* Update the patch as per the feedback received from:
  Joachim: http://permalink.gmane.org/gmane.linux.watchdog/3303
  - remove explicit clock enable from restart handler.
  - verify "register_restart_handler" return value.
  - add call to unregister_restart_handler".
  - do the restart handling directly in "pnx4008_restart_handler".
* Move the change to "phy3250.c" into a separate patch and generate
  the new patch with the "--unified=2" option.

Changes from v1 to v2:
* Rename patch title;
  was "arm: lpc32xx: restart: add support for soft reset"
* Update the patch as per the feedback received from:
  Joachim: http://permalink.gmane.org/gmane.linux.ports.arm.kernel/479791
  - migrate restart code from "mach-lpc32xx" to "pnx-4008" driver.
* Add soft reset support to "pnx-4008" driver instead of "mach-lpc32xx".
* Use define available in "pnx-4008" when writting to watchdog register.
* Remove restart handler from "mach-lpc32xx".
* Remove restart hook from "phy3250.c".
* Update driver logging during power-on. 

Sylvain Lemieux (6):
  watchdog: pnx4008: update logging during power-on
  watchdog: pnx4008: add restart handler
  watchdog: pnx4008: add support for soft reset
  watchdog: pnx4008: restart: support "cmd" from userspace
  arm: lpc32xx: remove restart handler
  arm: lpc32xx: phy3250 remove restart hook

 arch/arm/mach-lpc32xx/common.c  | 15 ------------
 arch/arm/mach-lpc32xx/common.h  |  1 -
 arch/arm/mach-lpc32xx/phy3250.c |  1 -
 drivers/watchdog/pnx4008_wdt.c  | 51 +++++++++++++++++++++++++++++++++++++++--
 4 files changed, 49 insertions(+), 19 deletions(-)

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1.8.3.1