Author: cognet
Date: Sat Nov 19 15:35:10 2016
New Revision: 308836
URL: https://svnweb.freebsd.org/changeset/base/308836
Log:
Don't attempt to get the chip revision if it's not a supported TI chip
Modified:
head/sys/arm/ti/ti_cpuid.c
Modified: head/sys/arm/ti/ti_cpuid.c
==============================================================================
--- head/sys/arm/ti/ti_cpuid.c Sat Nov 19 15:10:10 2016 (r308835)
+++ head/sys/arm/ti/ti_cpuid.c Sat Nov 19 15:35:10 2016 (r308836)
@@ -43,6 +43,10 @@ __FBSDID("$FreeBSD$");
#include <machine/resource.h>
#include <machine/intr.h>
+#include <dev/fdt/simplebus.h>
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
#include <arm/ti/tivar.h>
#include <arm/ti/ti_cpuid.h>
@@ -268,6 +272,12 @@ am335x_get_revision(void)
static void
ti_cpu_ident(void *dummy)
{
+ phandle_t root;
+
+ root = OF_finddevice("/");
+ if (!ofw_bus_node_is_compatible(root, "ti,omap4") &&
+ !ofw_bus_node_is_compatible(root, "ti,am33xx"))
+ return;
switch(ti_chip()) {
case CHIP_OMAP_4:
omap4_get_revision();
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