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Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog

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* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
  watchdog: booke_wdt: clean up status messages
  watchdog: cleanup spaces before tabs
  watchdog: convert to DEFINE_PCI_DEVICE_TABLE
  watchdog: Xen watchdog driver
  watchdog: Intel SCU Watchdog Timer Driver for Moorestown and Medfield platforms.
  watchdog: jz4740_wdt - fix magic character checking
  watchdog: add JZ4740 watchdog driver
  watchdog: it87_wdt: Add support for IT8721F watchdog
  watchdog: hpwdt: build hpwdt as module by default with NMI_DECODING enabled
  watchdog: hpwdt: Fix a couple of typos
This commit is contained in:
Linus Torvalds
2011-03-17 17:09:29 -07:00
parent 19520fc1ee 112e75466f
commit 4b0e976c66
42 changed files with 1498 additions and 92 deletions
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36
drivers/watchdog/cpwd.c
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@@ -5,10 +5,10 @@
* interface and Solaris-compatible ioctls as best it is
* able.
*
* NOTE: CP1400 systems appear to have a defective intr_mask
* register on the PLD, preventing the disabling of
* timer interrupts. We use a timer to periodically
* reset 'stopped' watchdogs on affected platforms.
* NOTE: CP1400 systems appear to have a defective intr_mask
* register on the PLD, preventing the disabling of
* timer interrupts. We use a timer to periodically
* reset 'stopped' watchdogs on affected platforms.
*
* Copyright (c) 2000 Eric Brower (ebrower@usa.net)
* Copyright (C) 2008 David S. Miller <davem@davemloft.net>
@@ -107,13 +107,13 @@ static struct cpwd *cpwd_device;
* -------------------
* |- counter val -|
* -------------------
* dcntr - Current 16-bit downcounter value.
* When downcounter reaches '0' watchdog expires.
* Reading this register resets downcounter with
* 'limit' value.
* limit - 16-bit countdown value in 1/10th second increments.
* Writing this register begins countdown with input value.
* Reading from this register does not affect counter.
* dcntr - Current 16-bit downcounter value.
* When downcounter reaches '0' watchdog expires.
* Reading this register resets downcounter with
* 'limit' value.
* limit - 16-bit countdown value in 1/10th second increments.
* Writing this register begins countdown with input value.
* Reading from this register does not affect counter.
* NOTES: After watchdog reset, dcntr and limit contain '1'
*
* status register (byte access):
@@ -123,7 +123,7 @@ static struct cpwd *cpwd_device;
* |- UNUSED -| EXP | RUN |
* ---------------------------
* status- Bit 0 - Watchdog is running
* Bit 1 - Watchdog has expired
* Bit 1 - Watchdog has expired
*
*** PLD register block definition (struct wd_pld_regblk)
*
@@ -197,7 +197,7 @@ static u8 cpwd_readb(void __iomem *addr)
* Because of the CP1400 defect this should only be
* called during initialzation or by wd_[start|stop]timer()
*
* index - sub-device index, or -1 for 'all'
* index - sub-device index, or -1 for 'all'
* enable - non-zero to enable interrupts, zero to disable
*/
static void cpwd_toggleintr(struct cpwd *p, int index, int enable)
@@ -317,13 +317,13 @@ static int cpwd_getstatus(struct cpwd *p, int index)
} else {
/* Fudge WD_EXPIRED status for defective CP1400--
* IF timer is running
* AND brokenstop is set
* AND an interrupt has been serviced
* AND brokenstop is set
* AND an interrupt has been serviced
* we are WD_EXPIRED.
*
* IF timer is running
* AND brokenstop is set
* AND no interrupt has been serviced
* AND brokenstop is set
* AND no interrupt has been serviced
* we are WD_FREERUN.
*/
if (p->broken &&
@@ -613,7 +613,7 @@ static int __devinit cpwd_probe(struct platform_device *op)
if (p->broken) {
init_timer(&cpwd_timer);
cpwd_timer.function = cpwd_brokentimer;
cpwd_timer.function = cpwd_brokentimer;
cpwd_timer.data = (unsigned long) p;
cpwd_timer.expires = WD_BTIMEOUT;