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Date: Thu, 9 Jul 2009 20:34:05 +0200
From: Wim Van Sebroeck <wim@...ana.be>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
LKML <linux-kernel@...r.kernel.org>,
Joe Perches <joe@...ches.com>,
Jiri Slaby <jirislaby@...il.com>,
Raphael Assenat <raph@...com>,
Slobodan Tomić <stomic@...il.com>
Subject: [WATCHDOG] v2.6.31-rc patches - Part 4: fixes and small changes
Hi Linus,
Please pull from 'master' branch of
git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog.git
or if master.kernel.org hasn't synced up yet:
master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog.git
This will update the following files:
drivers/watchdog/bcm47xx_wdt.c | 2 +-
drivers/watchdog/sa1100_wdt.c | 5 +++--
drivers/watchdog/w83627hf_wdt.c | 5 +++++
drivers/watchdog/w83697ug_wdt.c | 4 +++-
4 files changed, 12 insertions(+), 4 deletions(-)
with these Changes:
Author: Slobodan Tomić <stomic@...il.com>
Date: Sun Jun 28 21:20:36 2009 +0200
[WATCHDOG] w83627hf_wdt.c: add support for the W83627EHF support
Add support for the W83627EHF/EF and W83627EHG/EG chipsets.
Signed-off-by: Slobodan Tomić <stomic@...il.com>
Signed-off-by: Wim Van Sebroeck <wim@...ana.be>
Author: Raphael Assenat <raph@...com>
Date: Mon Jun 29 13:56:52 2009 -0400
[WATCHDOG] SA1100 watchdog maximum timeout
This patch replaces the hardcoded 255 seconds limit for a real limit based on
oscr_freq.
Also, the 'firmware_version' field is changed to '1' to allow the user
space application to easily detect that this driver supports a higher
maximum timeout.
Signed-off-by: Raphael Assenat <raph@...com>
Signed-off-by: Wim Van Sebroeck <wim@...ana.be>
Author: Jiri Slaby <jirislaby@...il.com>
Date: Mon Jun 29 18:00:39 2009 +0200
[WATCHDOG] w83697ug, fix lock imbalance
Don't forget to unlock io_lock when w83697ug_select_wd_register fails in
wdt_ctrl.
Signed-off-by: Jiri Slaby <jirislaby@...il.com>
Signed-off-by: Wim Van Sebroeck <wim@...ana.be>
Author: Joe Perches <joe@...ches.com>
Date: Sun Jun 28 09:26:57 2009 -0700
[WATCHDOG] drivers/watchdog/bcm47xx_wdt.c: Remove unnecessary semicolons
Signed-off-by: Joe Perches <joe@...ches.com>
Signed-off-by: Wim Van Sebroeck <wim@...ana.be>
The Changes can also be looked at on:
http://www.kernel.org/git/?p=linux/kernel/git/wim/linux-2.6-watchdog.git;a=summary
For completeness, I added the overal diff below.
Greetings,
Wim.
================================================================================
diff --git a/drivers/watchdog/bcm47xx_wdt.c b/drivers/watchdog/bcm47xx_wdt.c
index 5c7011c..751c003 100644
--- a/drivers/watchdog/bcm47xx_wdt.c
+++ b/drivers/watchdog/bcm47xx_wdt.c
@@ -161,7 +161,7 @@ static long bcm47xx_wdt_ioctl(struct file *file,
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
- int new_value, retval = -EINVAL;;
+ int new_value, retval = -EINVAL;
switch (cmd) {
case WDIOC_GETSUPPORT:
diff --git a/drivers/watchdog/sa1100_wdt.c b/drivers/watchdog/sa1100_wdt.c
index ee1caae..0162454 100644
--- a/drivers/watchdog/sa1100_wdt.c
+++ b/drivers/watchdog/sa1100_wdt.c
@@ -38,7 +38,7 @@
static unsigned long oscr_freq;
static unsigned long sa1100wdt_users;
-static int pre_margin;
+static unsigned int pre_margin;
static int boot_status;
/*
@@ -84,6 +84,7 @@ static const struct watchdog_info ident = {
.options = WDIOF_CARDRESET | WDIOF_SETTIMEOUT
| WDIOF_KEEPALIVEPING,
.identity = "SA1100/PXA255 Watchdog",
+ .firmware_version = 1,
};
static long sa1100dog_ioctl(struct file *file, unsigned int cmd,
@@ -118,7 +119,7 @@ static long sa1100dog_ioctl(struct file *file, unsigned int cmd,
if (ret)
break;
- if (time <= 0 || time > 255) {
+ if (time <= 0 || (oscr_freq * (long long)time >= 0xffffffff)) {
ret = -EINVAL;
break;
}
diff --git a/drivers/watchdog/w83627hf_wdt.c b/drivers/watchdog/w83627hf_wdt.c
index 916890a..f201acc 100644
--- a/drivers/watchdog/w83627hf_wdt.c
+++ b/drivers/watchdog/w83627hf_wdt.c
@@ -89,6 +89,11 @@ static void w83627hf_select_wd_register(void)
c = ((inb_p(WDT_EFDR) & 0xf7) | 0x04); /* select WDT0 */
outb_p(0x2b, WDT_EFER);
outb_p(c, WDT_EFDR); /* set GPIO3 to WDT0 */
+ } else if (c == 0x88) { /* W83627EHF */
+ outb_p(0x2d, WDT_EFER); /* select GPIO5 */
+ c = inb_p(WDT_EFDR) & ~0x01; /* PIN77 -> WDT0# */
+ outb_p(0x2d, WDT_EFER);
+ outb_p(c, WDT_EFDR); /* set GPIO5 to WDT0 */
}
outb_p(0x07, WDT_EFER); /* point to logical device number reg */
diff --git a/drivers/watchdog/w83697ug_wdt.c b/drivers/watchdog/w83697ug_wdt.c
index 883b5f7..a6c12de 100644
--- a/drivers/watchdog/w83697ug_wdt.c
+++ b/drivers/watchdog/w83697ug_wdt.c
@@ -149,8 +149,10 @@ static void wdt_ctrl(int timeout)
{
spin_lock(&io_lock);
- if (w83697ug_select_wd_register() < 0)
+ if (w83697ug_select_wd_register() < 0) {
+ spin_unlock(&io_lock);
return;
+ }
outb_p(0xF4, WDT_EFER); /* Select CRF4 */
outb_p(timeout, WDT_EFDR); /* Write Timeout counter to CRF4 */
--
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