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-rw-r--r--drivers/char/hvc_iseries.c8
-rw-r--r--drivers/char/hvc_vio.c4
2 files changed, 10 insertions, 2 deletions
diff --git a/drivers/char/hvc_iseries.c b/drivers/char/hvc_iseries.c
index 4747729459c7..ea362011bd5b 100644
--- a/drivers/char/hvc_iseries.c
+++ b/drivers/char/hvc_iseries.c
@@ -29,6 +29,7 @@
#include <asm/hvconsole.h>
#include <asm/vio.h>
#include <asm/prom.h>
+#include <asm/firmware.h>
#include <asm/iseries/vio.h>
#include <asm/iseries/hv_call.h>
#include <asm/iseries/hv_lp_config.h>
@@ -493,6 +494,9 @@ static int hvc_vio_init(void)
atomic_t wait_flag;
int rc;
+ if (!firmware_has_feature(FW_FEATURE_ISERIES))
+ return -EIO;
+
/* +2 for fudge */
rc = viopath_open(HvLpConfig_getPrimaryLpIndex(),
viomajorsubtype_chario, VIOCHAR_WINDOW + 2);
@@ -567,7 +571,7 @@ static int hvc_find_vtys(void)
for (vty = of_find_node_by_name(NULL, "vty"); vty != NULL;
vty = of_find_node_by_name(vty, "vty")) {
- uint32_t *vtermno;
+ const uint32_t *vtermno;
/* We have statically defined space for only a certain number
* of console adapters.
@@ -576,7 +580,7 @@ static int hvc_find_vtys(void)
(num_found >= VTTY_PORTS))
break;
- vtermno = (uint32_t *)get_property(vty, "reg", NULL);
+ vtermno = get_property(vty, "reg", NULL);
if (!vtermno)
continue;
diff --git a/drivers/char/hvc_vio.c b/drivers/char/hvc_vio.c
index cc95941148fb..f9c00844d2bf 100644
--- a/drivers/char/hvc_vio.c
+++ b/drivers/char/hvc_vio.c
@@ -35,6 +35,7 @@
#include <asm/hvconsole.h>
#include <asm/vio.h>
#include <asm/prom.h>
+#include <asm/firmware.h>
#include "hvc_console.h"
@@ -120,6 +121,9 @@ static int hvc_vio_init(void)
{
int rc;
+ if (firmware_has_feature(FW_FEATURE_ISERIES))
+ return -EIO;
+
/* Register as a vio device to receive callbacks */
rc = vio_register_driver(&hvc_vio_driver);