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watchdog: xilinx: Move control_status_reg to functions

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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>
This commit is contained in:
Michal Simek 2014-02-12 14:34:33 +01:00 committed by Wim Van Sebroeck
parent d14fd96455
commit 5cf4e69d39
1 changed files with 6 additions and 1 deletions
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7
drivers/watchdog/of_xilinx_wdt.c
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@ -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);