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watchdog: sirf: fix __iomem * warnings 

Fix the following warnings from sparse due to casting to/from an __iomem
annotated variable:

drivers/watchdog/sirfsoc_wdt.c:48:18: warning: incorrect type in assignment (different address spaces)
drivers/watchdog/sirfsoc_wdt.c:48:18:    expected void [noderef] <asn:2>*wdt_base
drivers/watchdog/sirfsoc_wdt.c:48:18:    got void *
drivers/watchdog/sirfsoc_wdt.c:64:18: warning: incorrect type in assignment (different address spaces)
drivers/watchdog/sirfsoc_wdt.c:64:18:    expected void [noderef] <asn:2>*wdt_base
drivers/watchdog/sirfsoc_wdt.c:64:18:    got void *
drivers/watchdog/sirfsoc_wdt.c:82:54: warning: incorrect type in initializer (different address spaces)
drivers/watchdog/sirfsoc_wdt.c:82:54:    expected void [noderef] <asn:2>*wdt_base
drivers/watchdog/sirfsoc_wdt.c:82:54:    got void *
drivers/watchdog/sirfsoc_wdt.c:99:54: warning: incorrect type in initializer (different address spaces)
drivers/watchdog/sirfsoc_wdt.c:99:54:    expected void [noderef] <asn:2>*wdt_base
drivers/watchdog/sirfsoc_wdt.c:99:54:    got void *
drivers/watchdog/sirfsoc_wdt.c:153:44: warning: incorrect type in argument 2 (different address spaces)
drivers/watchdog/sirfsoc_wdt.c:153:44:    expected void *data
drivers/watchdog/sirfsoc_wdt.c:153:44:    got void [noderef] <asn:2>*[assigned] base

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Ben Dooks 2016-06-07 12:53:07 +01:00 коммит произвёл Wim Van Sebroeck
Родитель a3e376d26a
Коммит b99c877405
1 изменённых файлов: 10 добавлений и 5 удалений
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15
drivers/watchdog/sirfsoc_wdt.c
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@ -39,13 +39,18 @@ MODULE_PARM_DESC(timeout, "Default watchdog timeout (in seconds)");
MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
static void __iomem *sirfsoc_wdt_base(struct watchdog_device *wdd)
{
return (void __iomem __force *)watchdog_get_drvdata(wdd);
}
static unsigned int sirfsoc_wdt_gettimeleft(struct watchdog_device *wdd)
{
u32 counter, match;
void __iomem *wdt_base;
int time_left;
wdt_base = watchdog_get_drvdata(wdd);
wdt_base = sirfsoc_wdt_base(wdd);
counter = readl(wdt_base + SIRFSOC_TIMER_COUNTER_LO);
match = readl(wdt_base +
SIRFSOC_TIMER_MATCH_0 + (SIRFSOC_TIMER_WDT_INDEX << 2));
@ -61,7 +66,7 @@ static int sirfsoc_wdt_updatetimeout(struct watchdog_device *wdd)
void __iomem *wdt_base;
timeout_ticks = wdd->timeout * CLOCK_FREQ;
wdt_base = watchdog_get_drvdata(wdd);
wdt_base = sirfsoc_wdt_base(wdd);
/* Enable the latch before reading the LATCH_LO register */
writel(1, wdt_base + SIRFSOC_TIMER_LATCH);
@ -79,7 +84,7 @@ static int sirfsoc_wdt_updatetimeout(struct watchdog_device *wdd)
static int sirfsoc_wdt_enable(struct watchdog_device *wdd)
{
void __iomem *wdt_base = watchdog_get_drvdata(wdd);
void __iomem *wdt_base = sirfsoc_wdt_base(wdd);
sirfsoc_wdt_updatetimeout(wdd);
/*
@ -96,7 +101,7 @@ static int sirfsoc_wdt_enable(struct watchdog_device *wdd)
static int sirfsoc_wdt_disable(struct watchdog_device *wdd)
{
void __iomem *wdt_base = watchdog_get_drvdata(wdd);
void __iomem *wdt_base = sirfsoc_wdt_base(wdd);
writel(0, wdt_base + SIRFSOC_TIMER_WATCHDOG_EN);
writel(readl(wdt_base + SIRFSOC_TIMER_INT_EN)
@ -150,7 +155,7 @@ static int sirfsoc_wdt_probe(struct platform_device *pdev)
if (IS_ERR(base))
return PTR_ERR(base);
watchdog_set_drvdata(&sirfsoc_wdd, base);
watchdog_set_drvdata(&sirfsoc_wdd, (__force void *)base);
watchdog_init_timeout(&sirfsoc_wdd, timeout, &pdev->dev);
watchdog_set_nowayout(&sirfsoc_wdd, nowayout);