aboutsummaryrefslogtreecommitdiff
path: root/drivers/atm/firestream.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/atm/firestream.c')
-rw-r--r--drivers/atm/firestream.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
index 9c67df5ccfa..7f6d02ce1b5 100644
--- a/drivers/atm/firestream.c
+++ b/drivers/atm/firestream.c
@@ -1475,6 +1475,7 @@ static void top_off_fp (struct fs_dev *dev, struct freepool *fp,
struct FS_BPENTRY *qe, *ne;
struct sk_buff *skb;
int n = 0;
+ u32 qe_tmp;
fs_dprintk (FS_DEBUG_QUEUE, "Topping off queue at %x (%d-%d/%d)\n",
fp->offset, read_fs (dev, FP_CNT (fp->offset)), fp->n,
@@ -1502,10 +1503,16 @@ static void top_off_fp (struct fs_dev *dev, struct freepool *fp,
ne->skb = skb;
ne->fp = fp;
- qe = (struct FS_BPENTRY *) (read_fs (dev, FP_EA(fp->offset)));
- fs_dprintk (FS_DEBUG_QUEUE, "link at %p\n", qe);
- if (qe) {
- qe = bus_to_virt ((long) qe);
+ /*
+ * FIXME: following code encodes and decodes
+ * machine pointers (could be 64-bit) into a
+ * 32-bit register.
+ */
+
+ qe_tmp = read_fs (dev, FP_EA(fp->offset));
+ fs_dprintk (FS_DEBUG_QUEUE, "link at %x\n", qe_tmp);
+ if (qe_tmp) {
+ qe = bus_to_virt ((long) qe_tmp);
qe->next = virt_to_bus(ne);
qe->flags &= ~FP_FLAGS_EPI;
} else