clock-frequency is a FreeBSD-specific extention. Make it optional and

allow the client uart drivers to decide if a frequency is required.
svn path=/head/; revision=261092
2014-01-24 00:14:14 +00:00 · 2014-01-24 00:14:14 +00:00 · 65e79cf474 · 2020-12-20 02:59:44 +00:00
commit 65e79cf474
parent 524d7a4d4e
1 changed files with 2 additions and 1 deletions
--- a/sys/dev/uart/uart_cpu_fdt.c
+++ b/sys/dev/uart/uart_cpu_fdt.c
@ -62,9 +62,10 @@ uart_fdt_get_clock(phandle_t node, pcell_t *cell)
 {
 	pcell_t clock;

+	/* clock-frequency is a FreeBSD-only extention. */
 	if ((OF_getprop(node, "clock-frequency", &clock,
 	    sizeof(clock))) <= 0)
-		return (ENXIO);
+		clock = 0;

 	if (clock == 0)
 		/* Try to retrieve parent 'bus-frequency' */