Author: marcel
Date: Sat Jul 26 17:49:40 2014
New Revision: 269131
URL: http://svnweb.freebsd.org/changeset/base/269131
Log:
Do not fail the low-level device probe simply because the kernel
doesn't have support for the Z8530. Embedded PowerPC platforms
typically don't. Fail when the device class we actually need is
not present.
Obtained from: Juniper Networks, Inc.
Modified:
head/sys/dev/uart/uart_cpu_powerpc.c
Modified: head/sys/dev/uart/uart_cpu_powerpc.c
==============================================================================
--- head/sys/dev/uart/uart_cpu_powerpc.c Sat Jul 26 17:24:58 2014
(r269130)
+++ head/sys/dev/uart/uart_cpu_powerpc.c Sat Jul 26 17:49:40 2014
(r269131)
@@ -113,10 +113,6 @@ uart_cpu_getdev(int devtype, struct uart
phandle_t input, opts, chosen;
int error;
- class = &uart_z8530_class;
- if (class == NULL)
- return (ENXIO);
-
opts = OF_finddevice("/options");
chosen = OF_finddevice("/chosen");
switch (devtype) {
@@ -181,6 +177,9 @@ uart_cpu_getdev(int devtype, struct uart
} else
return (ENXIO);
+ if (class == NULL)
+ return (ENXIO);
+
error = OF_decode_addr(input, 0, &di->bas.bst, &di->bas.bsh);
if (error)
return (error);
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