ipmi: Switch to use %ptSp

Use %ptSp instead of open coded variants to print content of
struct timespec64 in human readable format.

Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20251113150217.3030010-12-andriy.shevchenko@linux.intel.com
Signed-off-by: Petr Mladek <pmladek@suse.com>

Author: andy-shev

drivers/char/ipmi/ipmi_si_intf.c

@@ -275,8 +275,7 @@ void debug_timestamp(struct smi_info *smi_info, char *msg)
 	struct timespec64 t;
 
 	ktime_get_ts64(&t);
-	dev_dbg(smi_info->io.dev, "**%s: %lld.%9.9ld\n",
-		msg, t.tv_sec, t.tv_nsec);
+	dev_dbg(smi_info->io.dev, "**%s: %ptSp\n", msg, &t);
 }
 #else
 #define debug_timestamp(smi_info, x)

drivers/char/ipmi/ipmi_ssif.c

@@ -1083,10 +1083,8 @@ static int sender(void *send_info, struct ipmi_smi_msg *msg)
 		struct timespec64 t;
 
 		ktime_get_real_ts64(&t);
-		dev_dbg(&ssif_info->client->dev,
-			"**Enqueue %02x %02x: %lld.%6.6ld\n",
-			msg->data[0], msg->data[1],
-			(long long)t.tv_sec, (long)t.tv_nsec / NSEC_PER_USEC);
+		dev_dbg(&ssif_info->client->dev, "**Enqueue %02x %02x: %ptSp\n",
+			msg->data[0], msg->data[1], &t);
 	}
 	return IPMI_CC_NO_ERROR;
 }