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watchdog: s3c2410: Use dev_dbg instead of pr_info 

Replace the 'debug' module parameter and pr_info() with proper device
dynamic debug calls because this is the preferred and flexible way of
enabling debugging printks.

Also remove some obvious debug printks.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Krzysztof Kozlowski 2017-02-24 23:07:40 +02:00 коммит произвёл Guenter Roeck
Родитель 0b445549ea
Коммит 456f53d652
1 изменённых файлов: 6 добавлений и 23 удалений
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29
drivers/watchdog/s3c2410_wdt.c
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@ -23,8 +23,6 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
@ -83,13 +81,11 @@ static bool nowayout = WATCHDOG_NOWAYOUT;
static int tmr_margin;
static int tmr_atboot = S3C2410_WATCHDOG_ATBOOT;
static int soft_noboot;
static int debug;
module_param(tmr_margin, int, 0);
module_param(tmr_atboot, int, 0);
module_param(nowayout, bool, 0);
module_param(soft_noboot, int, 0);
module_param(debug, int, 0);
MODULE_PARM_DESC(tmr_margin, "Watchdog tmr_margin in seconds. (default="
__MODULE_STRING(S3C2410_WATCHDOG_DEFAULT_TIME) ")");
@ -100,7 +96,6 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
MODULE_PARM_DESC(soft_noboot, "Watchdog action, set to 1 to ignore reboots, "
"0 to reboot (default 0)");
MODULE_PARM_DESC(debug, "Watchdog debug, set to >1 for debug (default 0)");
/**
* struct s3c2410_wdt_variant - Per-variant config data
@ -204,14 +199,6 @@ static const struct platform_device_id s3c2410_wdt_ids[] = {
};
MODULE_DEVICE_TABLE(platform, s3c2410_wdt_ids);
/* watchdog control routines */
#define DBG(fmt, ...) \
do { \
if (debug) \
pr_info(fmt, ##__VA_ARGS__); \
} while (0)
/* functions */
static inline unsigned int s3c2410wdt_max_timeout(struct clk *clock)
@ -307,8 +294,8 @@ static int s3c2410wdt_start(struct watchdog_device *wdd)
wtcon |= S3C2410_WTCON_RSTEN;
}
DBG("%s: count=0x%08x, wtcon=%08lx\n",
__func__, wdt->count, wtcon);
dev_dbg(wdt->dev, "Starting watchdog: count=0x%08x, wtcon=%08lx\n",
wdt->count, wtcon);
writel(wdt->count, wdt->reg_base + S3C2410_WTDAT);
writel(wdt->count, wdt->reg_base + S3C2410_WTCNT);
@ -337,8 +324,8 @@ static int s3c2410wdt_set_heartbeat(struct watchdog_device *wdd, unsigned timeou
freq = DIV_ROUND_UP(freq, 128);
count = timeout * freq;
DBG("%s: count=%d, timeout=%d, freq=%lu\n",
__func__, count, timeout, freq);
dev_dbg(wdt->dev, "Heartbeat: count=%d, timeout=%d, freq=%lu\n",
count, timeout, freq);
/* if the count is bigger than the watchdog register,
then work out what we need to do (and if) we can
@ -354,8 +341,8 @@ static int s3c2410wdt_set_heartbeat(struct watchdog_device *wdd, unsigned timeou
}
}
DBG("%s: timeout=%d, divisor=%d, count=%d (%08x)\n",
__func__, timeout, divisor, count, DIV_ROUND_UP(count, divisor));
dev_dbg(wdt->dev, "Heartbeat: timeout=%d, divisor=%d, count=%d (%08x)\n",
timeout, divisor, count, DIV_ROUND_UP(count, divisor));
count = DIV_ROUND_UP(count, divisor);
wdt->count = count;
@ -544,8 +531,6 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
int started = 0;
int ret;
DBG("%s: probe=%p\n", __func__, pdev);
dev = &pdev->dev;
wdt = devm_kzalloc(dev, sizeof(*wdt), GFP_KERNEL);
@ -581,8 +566,6 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
goto err;
}
DBG("probe: mapped reg_base=%p\n", wdt->reg_base);
wdt->clock = devm_clk_get(dev, "watchdog");
if (IS_ERR(wdt->clock)) {
dev_err(dev, "failed to find watchdog clock source\n");