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-rw-r--r--drivers/net/ethernet/renesas/rswitch.c17
-rw-r--r--drivers/net/ethernet/renesas/rswitch.h6
2 files changed, 12 insertions, 11 deletions
diff --git a/drivers/net/ethernet/renesas/rswitch.c b/drivers/net/ethernet/renesas/rswitch.c
index 4f7af6393c9e..f3d27aef1286 100644
--- a/drivers/net/ethernet/renesas/rswitch.c
+++ b/drivers/net/ethernet/renesas/rswitch.c
@@ -219,9 +219,9 @@ static void rswitch_ack_data_irq(struct rswitch_private *priv, int index)
iowrite32(BIT(index % 32), priv->addr + offs);
}
-static u32 rswitch_next_queue_index(struct rswitch_gwca_queue *gq, bool cur, u32 num)
+static int rswitch_next_queue_index(struct rswitch_gwca_queue *gq, bool cur, int num)
{
- u32 index = cur ? gq->cur : gq->dirty;
+ int index = cur ? gq->cur : gq->dirty;
if (index + num >= gq->ring_size)
index = (index + num) % gq->ring_size;
@@ -231,7 +231,7 @@ static u32 rswitch_next_queue_index(struct rswitch_gwca_queue *gq, bool cur, u32
return index;
}
-static u32 rswitch_get_num_cur_queues(struct rswitch_gwca_queue *gq)
+static int rswitch_get_num_cur_queues(struct rswitch_gwca_queue *gq)
{
if (gq->cur >= gq->dirty)
return gq->cur - gq->dirty;
@@ -250,9 +250,9 @@ static bool rswitch_is_queue_rxed(struct rswitch_gwca_queue *gq)
}
static int rswitch_gwca_queue_alloc_skb(struct rswitch_gwca_queue *gq,
- u32 start_index, u32 num)
+ int start_index, int num)
{
- u32 i, index;
+ int i, index;
for (i = 0; i < num; i++) {
index = (i + start_index) % gq->ring_size;
@@ -410,12 +410,12 @@ err:
static int rswitch_gwca_queue_ts_fill(struct net_device *ndev,
struct rswitch_gwca_queue *gq,
- u32 start_index, u32 num)
+ int start_index, int num)
{
struct rswitch_device *rdev = netdev_priv(ndev);
struct rswitch_ext_ts_desc *desc;
dma_addr_t dma_addr;
- u32 i, index;
+ int i, index;
for (i = 0; i < num; i++) {
index = (i + start_index) % gq->ring_size;
@@ -736,7 +736,8 @@ static int rswitch_tx_free(struct net_device *ndev, bool free_txed_only)
int free_num = 0;
int size;
- for (; gq->cur - gq->dirty > 0; gq->dirty = rswitch_next_queue_index(gq, false, 1)) {
+ for (; rswitch_get_num_cur_queues(gq) > 0;
+ gq->dirty = rswitch_next_queue_index(gq, false, 1)) {
desc = &gq->ring[gq->dirty];
if (free_txed_only && (desc->desc.die_dt & DT_MASK) != DT_FEMPTY)
break;
diff --git a/drivers/net/ethernet/renesas/rswitch.h b/drivers/net/ethernet/renesas/rswitch.h
index 778177ec8d4f..edbdd1b98d3d 100644
--- a/drivers/net/ethernet/renesas/rswitch.h
+++ b/drivers/net/ethernet/renesas/rswitch.h
@@ -908,9 +908,9 @@ struct rswitch_gwca_queue {
struct rswitch_ext_ts_desc *ts_ring;
};
dma_addr_t ring_dma;
- u32 ring_size;
- u32 cur;
- u32 dirty;
+ int ring_size;
+ int cur;
+ int dirty;
struct sk_buff **skbs;
struct net_device *ndev; /* queue to ndev for irq */