mmc: mmc_test: Switch to use %ptSp

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

Signed-off-by: Andy Shevchenko <[e-mail]>
Acked-by: Ulf Hansson <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Petr Mladek <[e-mail]>

drivers/mmc/core/mmc_test.c

···
 	rate = mmc_test_rate(tot, &ts);
 	iops = mmc_test_rate(count * 100, &ts); /* I/O ops per sec x 100 */
 
-	pr_info("%s: Transfer of %u x %u sectors (%u x %u%s KiB) took "
-			 "%llu.%09u seconds (%u kB/s, %u KiB/s, "
-			 "%u.%02u IOPS, sg_len %d)\n",
-			 mmc_hostname(test->card->host), count, sectors, count,
-			 sectors >> 1, (sectors & 1 ? ".5" : ""),
-			 (u64)ts.tv_sec, (u32)ts.tv_nsec,
-			 rate / 1000, rate / 1024, iops / 100, iops % 100,
-			 test->area.sg_len);
+	pr_info("%s: Transfer of %u x %u sectors (%u x %u%s KiB) took %ptSp seconds (%u kB/s, %u KiB/s, %u.%02u IOPS, sg_len %d)\n",
+		mmc_hostname(test->card->host), count, sectors, count,
+		sectors >> 1, (sectors & 1 ? ".5" : ""), &ts,
+		rate / 1000, rate / 1024, iops / 100, iops % 100,
+		test->area.sg_len);
 
 	mmc_test_save_transfer_result(test, count, sectors, ts, rate, iops);
 }
···
 		seq_printf(sf, "Test %d: %d\n", gr->testcase + 1, gr->result);
 
 		list_for_each_entry(tr, &gr->tr_lst, link) {
-			seq_printf(sf, "%u %d %llu.%09u %u %u.%02u\n",
-				tr->count, tr->sectors,
-				(u64)tr->ts.tv_sec, (u32)tr->ts.tv_nsec,
-				tr->rate, tr->iops / 100, tr->iops % 100);
+			seq_printf(sf, "%u %d %ptSp %u %u.%02u\n",
+				   tr->count, tr->sectors, &tr->ts, tr->rate,
+				   tr->iops / 100, tr->iops % 100);
 		}
 	}