6  * Tests are configured by writing: USECS ITERATIONS
8  * Specifying usecs of 0 or negative values will run multiples tests.
27 static int udelay_test_single(struct seq_file *s, int usecs, uint32_t iters)  in udelay_test_single()  argument
34 	int allowed_error_ns = usecs * 5;  in udelay_test_single()
41 		udelay(usecs);  in udelay_test_single()
49 		if ((time_passed + allowed_error_ns) / 1000 < usecs)  in udelay_test_single()
57 	seq_printf(s, "%d usecs x %d: exp=%d allowed=%d min=%d avg=%lld max=%d",  in udelay_test_single()
58 			usecs, iters, usecs * 1000,  in udelay_test_single()
59 			(usecs * 1000) - allowed_error_ns, min, avg, max);  in udelay_test_single()
69 	int usecs;  in udelay_test_show()  local
74 	usecs = udelay_test_usecs;  in udelay_test_show()
78 	if (usecs > 0 && iters > 0) {  in udelay_test_show()
79 		return udelay_test_single(s, usecs, iters);  in udelay_test_show()
80 	} else if (usecs == 0) {  in udelay_test_show()
87 		seq_puts(s, "echo USECS [ITERS] > " DEBUGFS_FILENAME "\n");  in udelay_test_show()
104 	int usecs;  in udelay_test_write()  local
114 	ret = sscanf(lbuf, "%d %d", &usecs, &iters);  in udelay_test_write()
121 	udelay_test_usecs = usecs;  in udelay_test_write()