[PATCH 3/4] staging: fsl-dpaa2/eth: Fix incorrect casts

From: Ioana Radulescu
Date: Mon Feb 26 2018 - 11:30:40 EST


The DPAA2 Ethernet driver incorrectly assumes virtual addresses
are always 64b long, which causes compiler errors when building
for a 32b platform.

Fix this by using explicit casts to uintptr_t where necessary.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@xxxxxxx>
---
drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
index dc7be538..c81a01f 100644
--- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
@@ -324,7 +324,7 @@ static int consume_frames(struct dpaa2_eth_channel *ch)
}

fd = dpaa2_dq_fd(dq);
- fq = (struct dpaa2_eth_fq *)dpaa2_dq_fqd_ctx(dq);
+ fq = (struct dpaa2_eth_fq *)(uintptr_t)dpaa2_dq_fqd_ctx(dq);
fq->stats.frames++;

fq->consume(priv, ch, fd, &ch->napi, fq->flowid);
@@ -1905,7 +1905,7 @@ static int setup_rx_flow(struct dpaa2_eth_priv *priv,
queue.destination.id = fq->channel->dpcon_id;
queue.destination.type = DPNI_DEST_DPCON;
queue.destination.priority = 1;
- queue.user_context = (u64)fq;
+ queue.user_context = (u64)(uintptr_t)fq;
err = dpni_set_queue(priv->mc_io, 0, priv->mc_token,
DPNI_QUEUE_RX, 0, fq->flowid,
DPNI_QUEUE_OPT_USER_CTX | DPNI_QUEUE_OPT_DEST,
@@ -1957,7 +1957,7 @@ static int setup_tx_flow(struct dpaa2_eth_priv *priv,
queue.destination.id = fq->channel->dpcon_id;
queue.destination.type = DPNI_DEST_DPCON;
queue.destination.priority = 0;
- queue.user_context = (u64)fq;
+ queue.user_context = (u64)(uintptr_t)fq;
err = dpni_set_queue(priv->mc_io, 0, priv->mc_token,
DPNI_QUEUE_TX_CONFIRM, 0, fq->flowid,
DPNI_QUEUE_OPT_USER_CTX | DPNI_QUEUE_OPT_DEST,
--
2.7.4