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authorStephen Rothwell <sfr@canb.auug.org.au>2006-09-25 13:30:51 +1000
committerStephen Rothwell <sfr@canb.auug.org.au>2006-09-25 13:30:51 +1000
commitde0138da0f8cf406c096daec7494a5cbebce2e5c (patch)
tree337c9cf8b3ada88ac6bf9aecfa36c8ad759ea4bd /drivers/char/hvc_iseries.c
parentef26a46f8c501f6888cc78bcc4a2dc1efea1e733 (diff)
[POWERPC] The two vio HVC backends clash
Make sure only one of them actually registers as a driver. Also, remove cast from get_property(). Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Diffstat (limited to 'drivers/char/hvc_iseries.c')
-rw-r--r--drivers/char/hvc_iseries.c8
1 files changed, 6 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;