[PATCH v1 05/25] ds1302: Switch to use %pt

From: Andy Shevchenko
Date: Thu Jun 08 2017 - 09:53:48 EST


Use %pt instead of open coded variant to print content of
struct rtc_time in human readable format.

Cc: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/char/ds1302.c | 38 ++++++++++----------------------------
1 file changed, 10 insertions(+), 28 deletions(-)

diff --git a/drivers/char/ds1302.c b/drivers/char/ds1302.c
index c614a56e68cc..7db23a336636 100644
--- a/drivers/char/ds1302.c
+++ b/drivers/char/ds1302.c
@@ -4,7 +4,7 @@
*!
*! DESCRIPTION: Implements an interface for the DS1302 RTC
*!
-*! Functions exported: ds1302_readreg, ds1302_writereg, ds1302_init, get_rtc_status
+*! Functions exported: ds1302_readreg, ds1302_writereg, ds1302_init
*!
*! ---------------------------------------------------------------------------
*!
@@ -257,31 +257,6 @@ static long rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
}

-int
-get_rtc_status(char *buf)
-{
- char *p;
- struct rtc_time tm;
-
- p = buf;
-
- get_rtc_time(&tm);
-
- /*
- * There is no way to tell if the luser has the RTC set for local
- * time or for Universal Standard Time (GMT). Probably local though.
- */
-
- p += sprintf(p,
- "rtc_time\t: %02d:%02d:%02d\n"
- "rtc_date\t: %04d-%02d-%02d\n",
- tm.tm_hour, tm.tm_min, tm.tm_sec,
- tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
-
- return p - buf;
-}
-
-
/* The various file operations we support. */

static const struct file_operations rtc_fops = {
@@ -298,6 +273,7 @@ static int __init
ds1302_probe(void)
{
int retval, res, baur;
+ struct rtc_time tm;

baur=(boot_cpu_data.bus_clock/(2*1000*1000));

@@ -319,8 +295,14 @@ ds1302_probe(void)
char buf[100];
ds1302_wdisable();
printk("%s: RTC found.\n", ds1302_name);
- get_rtc_status(buf);
- printk(buf);
+ /*
+ * There is no way to tell if the luser has the RTC set
+ * for local time or for Universal Standard Time (GMT).
+ * Probably local though.
+ */
+ get_rtc_time(&tm);
+ printk("rtc_time\t: %ptt\n", &tm);
+ printk("rtc_date\t: %ptd\n", &tm);
retval = 1;
} else {
printk("%s: RTC not found.\n", ds1302_name);
--
2.11.0