summaryrefslogtreecommitdiffstats
path: root/drivers/watchdog
diff options
context:
space:
mode:
authorMichal Simek <michal.simek@xilinx.com>2014-02-12 14:34:33 +0100
committerWim Van Sebroeck <wim@iguana.be>2014-03-31 13:29:00 +0200
commit5cf4e69d39f6a31a5305d01690c1607356b1483b (patch)
tree51d994ee3f0561c828a956e1b2d9d3ed3794e3be /drivers/watchdog
parentd14fd9645501444f06034339118de56686e25dfb (diff)
downloadlinux-5cf4e69d39f6a31a5305d01690c1607356b1483b.tar.bz2
watchdog: xilinx: Move control_status_reg to functions
control_status_reg is temp variables and should be used locally by specific function. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/of_xilinx_wdt.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/watchdog/of_xilinx_wdt.c b/drivers/watchdog/of_xilinx_wdt.c
index 0e6c188f55ae..9cab3fd4f14c 100644
--- a/drivers/watchdog/of_xilinx_wdt.c
+++ b/drivers/watchdog/of_xilinx_wdt.c
@@ -51,13 +51,14 @@ struct xwdt_device {
static struct xwdt_device xdev;
static u32 timeout;
-static u32 control_status_reg;
static u8 no_timeout;
static DEFINE_SPINLOCK(spinlock);
static int xilinx_wdt_start(struct watchdog_device *wdd)
{
+ u32 control_status_reg;
+
spin_lock(&spinlock);
/* Clean previous status and enable the watchdog timer */
@@ -76,6 +77,8 @@ static int xilinx_wdt_start(struct watchdog_device *wdd)
static int xilinx_wdt_stop(struct watchdog_device *wdd)
{
+ u32 control_status_reg;
+
spin_lock(&spinlock);
control_status_reg = ioread32(xdev.base + XWT_TWCSR0_OFFSET);
@@ -93,6 +96,8 @@ static int xilinx_wdt_stop(struct watchdog_device *wdd)
static int xilinx_wdt_keepalive(struct watchdog_device *wdd)
{
+ u32 control_status_reg;
+
spin_lock(&spinlock);
control_status_reg = ioread32(xdev.base + XWT_TWCSR0_OFFSET);