linux-kernel - [PATCH v2 0/2] watchdog: bcm281xx: Watchdog Driver

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Message-ID: <1384549081-9571-1-git-send-email-markus.mayer@linaro.org>
Date:	Fri, 15 Nov 2013 12:57:59 -0800
From:	"Markus Mayer" <markus.mayer@...aro.org>
To:	"Wim Van Sebroeck" <wim@...ana.be>,
	"Guenter Roeck" <linux@...ck-us.net>,
	"Christian Daudt" <bcm@...thebug.org>
cc:	"Linaro Patches" <patches@...aro.org>,
	"Matt Porter" <matt.porter@...aro.org>,
	"Linux Watchdog List" <linux-watchdog@...r.kernel.org>,
	"ARM Kernel List" <linux-arm-kernel@...ts.infradead.org>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Markus Mayer" <markus.mayer@...aro.org>
Subject: [PATCH v2 0/2] watchdog: bcm281xx: Watchdog Driver

This is version 2 of the watchdog driver for the BCM281xx family of mobile SoCs.

Changes since version 1:

- Added module name to "help" section in Kconfig
- A few cosmetic code simplifications and fixes
- Removed most dev_info() calls and changed the remaining ones to dev_dbg()
- Renamed SECWDOG_WD_LOAD_FLAG_MASK to SECWDOG_WD_LOAD_FLAG
- Added some comments to secure_register_read() and struct bcm_kona_wdt
- Added delay to secure_register_read()
- Reduced maximum retry loop from 10000 to 1000
- Introduced "busy_count" variable to count how often secure_register_read()
  gets stalled; this is available through debugfs
- Simplified secure_register_read() to return -ETIMEDOUT rather than using
  a variable parameter to indicate a timeout error
- Got rid of all uses of -EAGAIN
- Fixed return value check for debugfs_create_dir()
- Simplified bcm_kona_wdt_debugfs_init() by getting rid of goto
- Created new generic function bcm_kona_wdt_ctrl_reg_modify()
- The following functions now use bcm_kona_wdt_ctrl_reg_modify():
    - bcm_kona_wdt_set_resolution_reg()
    - bcm_kona_wdt_set_timeout_reg()
    - bcm_kona_wdt_stop()
- Made bcm_kona_wdt_set_timeout_reg() more generic, so bcm_kona_wdt_start()
  can use it
- Removed MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR)


Markus Mayer (2):
  watchdog: bcm281xx: Watchdog Driver
  ARM: bcm281xx: watchdog configuration

 arch/arm/configs/bcm_defconfig  |    3 +
 drivers/watchdog/Kconfig        |   22 +++
 drivers/watchdog/Makefile       |    1 +
 drivers/watchdog/bcm_kona_wdt.c |  367 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 393 insertions(+)
 create mode 100644 drivers/watchdog/bcm_kona_wdt.c

-- 
1.7.9.5


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