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Diffstat (limited to 'arch/powerpc/platforms/iseries/viopath.c')
-rw-r--r--arch/powerpc/platforms/iseries/viopath.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c
index 04e07e5da0c..a6799ed34a6 100644
--- a/arch/powerpc/platforms/iseries/viopath.c
+++ b/arch/powerpc/platforms/iseries/viopath.c
@@ -42,6 +42,7 @@
#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/prom.h>
+#include <asm/firmware.h>
#include <asm/iseries/hv_types.h>
#include <asm/iseries/hv_lp_event.h>
#include <asm/iseries/hv_lp_config.h>
@@ -119,10 +120,9 @@ static int proc_viopath_show(struct seq_file *m, void *v)
struct device_node *node;
const char *sysid;
- buf = kmalloc(HW_PAGE_SIZE, GFP_KERNEL);
+ buf = kzalloc(HW_PAGE_SIZE, GFP_KERNEL);
if (!buf)
return 0;
- memset(buf, 0, HW_PAGE_SIZE);
handle = dma_map_single(iSeries_vio_dev, buf, HW_PAGE_SIZE,
DMA_FROM_DEVICE);
@@ -184,6 +184,9 @@ static int __init vio_proc_init(void)
{
struct proc_dir_entry *e;
+ if (!firmware_has_feature(FW_FEATURE_ISERIES))
+ return 0;
+
e = create_proc_entry("iSeries/config", 0, NULL);
if (e)
e->proc_fops = &proc_viopath_operations;