svn commit: r262920 - head/sys/dev/uart
Warner Losh
imp at FreeBSD.org
Sat Mar 8 03:39:10 UTC 2014
Author: imp
Date: Sat Mar 8 03:39:09 2014
New Revision: 262920
URL: http://svnweb.freebsd.org/changeset/base/262920
Log:
Make clock optional on uart nodes. It is a FreeBSD-specific extention,
and won't be present in vendor supplied dts files.
Modified:
head/sys/dev/uart/uart_bus_fdt.c
Modified: head/sys/dev/uart/uart_bus_fdt.c
==============================================================================
--- head/sys/dev/uart/uart_bus_fdt.c Sat Mar 8 03:22:25 2014 (r262919)
+++ head/sys/dev/uart/uart_bus_fdt.c Sat Mar 8 03:39:09 2014 (r262920)
@@ -97,9 +97,12 @@ uart_fdt_get_clock(phandle_t node, pcell
{
pcell_t clock;
+ /*
+ * clock-frequency is a FreeBSD-specific hack. Make its presence optional.
+ */
if ((OF_getprop(node, "clock-frequency", &clock,
sizeof(clock))) <= 0)
- return (ENXIO);
+ clock = 0;
if (clock == 0)
/* Try to retrieve parent 'bus-frequency' */
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