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-rw-r--r--drivers/net/ethernet/brocade/bna/bnad.c7
-rw-r--r--drivers/net/ethernet/dec/tulip/de4x5.c4
-rw-r--r--drivers/net/ethernet/dec/tulip/media.c5
-rw-r--r--drivers/net/ethernet/dnet.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_tx.c2
-rw-r--r--drivers/net/ethernet/micrel/ksz884x.c3
-rw-r--r--drivers/net/ethernet/microchip/lan743x_main.c6
-rw-r--r--drivers/net/ethernet/neterion/vxge/vxge-traffic.c32
-rw-r--r--drivers/net/ethernet/sfc/falcon/farch.c29
-rw-r--r--drivers/net/ethernet/sis/sis900.c5
-rw-r--r--drivers/net/ethernet/synopsys/dwc-xlgmac-common.c2
-rw-r--r--drivers/net/ethernet/ti/cpsw_new.c2
-rw-r--r--drivers/net/ethernet/ti/davinci_emac.c5
-rw-r--r--drivers/net/ethernet/ti/tlan.c4
-rw-r--r--drivers/net/ethernet/via/via-velocity.c13
15 files changed, 37 insertions, 84 deletions
diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c
index cc80bbbefe87..7e4e831d720f 100644
--- a/drivers/net/ethernet/brocade/bna/bnad.c
+++ b/drivers/net/ethernet/brocade/bna/bnad.c
@@ -3277,7 +3277,7 @@ bnad_change_mtu(struct net_device *netdev, int new_mtu)
{
int err, mtu;
struct bnad *bnad = netdev_priv(netdev);
- u32 rx_count = 0, frame, new_frame;
+ u32 frame, new_frame;
mutex_lock(&bnad->conf_mutex);
@@ -3293,12 +3293,9 @@ bnad_change_mtu(struct net_device *netdev, int new_mtu)
/* only when transition is over 4K */
if ((frame <= 4096 && new_frame > 4096) ||
(frame > 4096 && new_frame <= 4096))
- rx_count = bnad_reinit_rx(bnad);
+ bnad_reinit_rx(bnad);
}
- /* rx_count > 0 - new rx created
- * - Linux set err = 0 and return
- */
err = bnad_mtu_set(bnad, new_frame);
if (err)
err = -EBUSY;
diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c
index f9dd1aa9f2da..683e328b5461 100644
--- a/drivers/net/ethernet/dec/tulip/de4x5.c
+++ b/drivers/net/ethernet/dec/tulip/de4x5.c
@@ -4925,11 +4925,11 @@ mii_get_oui(u_char phyaddr, u_long ioaddr)
u_char breg[2];
} a;
int i, r2, r3, ret=0;*/
- int r2, r3;
+ int r2;
/* Read r2 and r3 */
r2 = mii_rd(MII_ID0, phyaddr, ioaddr);
- r3 = mii_rd(MII_ID1, phyaddr, ioaddr);
+ mii_rd(MII_ID1, phyaddr, ioaddr);
/* SEEQ and Cypress way * /
/ * Shuffle r2 and r3 * /
a.reg=0;
diff --git a/drivers/net/ethernet/dec/tulip/media.c b/drivers/net/ethernet/dec/tulip/media.c
index dcf21a36a9cf..011604787b8e 100644
--- a/drivers/net/ethernet/dec/tulip/media.c
+++ b/drivers/net/ethernet/dec/tulip/media.c
@@ -319,13 +319,8 @@ void tulip_select_media(struct net_device *dev, int startup)
break;
}
case 5: case 6: {
- u16 setup[5];
-
new_csr6 = 0; /* FIXME */
- for (i = 0; i < 5; i++)
- setup[i] = get_u16(&p[i*2 + 1]);
-
if (startup && mtable->has_reset) {
struct medialeaf *rleaf = &mtable->mleaf[mtable->has_reset];
unsigned char *rst = rleaf->leafdata;
diff --git a/drivers/net/ethernet/dnet.c b/drivers/net/ethernet/dnet.c
index 7f87b0f51404..48c6eb142dcc 100644
--- a/drivers/net/ethernet/dnet.c
+++ b/drivers/net/ethernet/dnet.c
@@ -507,10 +507,10 @@ static netdev_tx_t dnet_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct dnet *bp = netdev_priv(dev);
- u32 irq_enable;
unsigned int i, tx_cmd, wrsz;
unsigned long flags;
unsigned int *bufp;
+ u32 irq_enable;
dnet_readl(bp, TX_STATUS);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index d55434449c0c..45869b29368f 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -842,6 +842,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
struct mlx4_en_tx_desc *tx_desc;
struct mlx4_wqe_data_seg *data;
struct mlx4_en_tx_info *tx_info;
+ u32 __maybe_unused ring_cons;
int tx_ind;
int nr_txbb;
int desc_size;
@@ -855,7 +856,6 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
bool stop_queue;
bool inline_ok;
u8 data_offset;
- u32 ring_cons;
bool bf_ok;
tx_ind = skb_get_queue_mapping(skb);
diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c
index ac4cc509ae07..67d3d80b8366 100644
--- a/drivers/net/ethernet/micrel/ksz884x.c
+++ b/drivers/net/ethernet/micrel/ksz884x.c
@@ -1649,8 +1649,7 @@ static inline void set_tx_len(struct ksz_desc *desc, u32 len)
#define HW_DELAY(hw, reg) \
do { \
- u16 dummy; \
- dummy = readw(hw->io + reg); \
+ readw(hw->io + reg); \
} while (0)
/**
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index 7e236c9ee4b1..a1938842f828 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -158,9 +158,8 @@ static void lan743x_tx_isr(void *context, u32 int_sts, u32 flags)
struct lan743x_tx *tx = context;
struct lan743x_adapter *adapter = tx->adapter;
bool enable_flag = true;
- u32 int_en = 0;
- int_en = lan743x_csr_read(adapter, INT_EN_SET);
+ lan743x_csr_read(adapter, INT_EN_SET);
if (flags & LAN743X_VECTOR_FLAG_SOURCE_ENABLE_CLEAR) {
lan743x_csr_write(adapter, INT_EN_CLR,
INT_BIT_DMA_TX_(tx->channel_number));
@@ -1699,10 +1698,9 @@ static int lan743x_tx_napi_poll(struct napi_struct *napi, int weight)
bool start_transmitter = false;
unsigned long irq_flags = 0;
u32 ioc_bit = 0;
- u32 int_sts = 0;
ioc_bit = DMAC_INT_BIT_TX_IOC_(tx->channel_number);
- int_sts = lan743x_csr_read(adapter, DMAC_INT_STS);
+ lan743x_csr_read(adapter, DMAC_INT_STS);
if (tx->vector_flags & LAN743X_VECTOR_FLAG_SOURCE_STATUS_W2C)
lan743x_csr_write(adapter, DMAC_INT_STS, ioc_bit);
spin_lock_irqsave(&tx->ring_lock, irq_flags);
diff --git a/drivers/net/ethernet/neterion/vxge/vxge-traffic.c b/drivers/net/ethernet/neterion/vxge/vxge-traffic.c
index 709d20d9938f..bd525e8eda10 100644
--- a/drivers/net/ethernet/neterion/vxge/vxge-traffic.c
+++ b/drivers/net/ethernet/neterion/vxge/vxge-traffic.c
@@ -30,8 +30,6 @@
*/
enum vxge_hw_status vxge_hw_vpath_intr_enable(struct __vxge_hw_vpath_handle *vp)
{
- u64 val64;
-
struct __vxge_hw_virtualpath *vpath;
struct vxge_hw_vpath_reg __iomem *vp_reg;
enum vxge_hw_status status = VXGE_HW_OK;
@@ -84,7 +82,7 @@ enum vxge_hw_status vxge_hw_vpath_intr_enable(struct __vxge_hw_vpath_handle *vp)
__vxge_hw_pio_mem_write32_upper((u32)VXGE_HW_INTR_MASK_ALL,
&vp_reg->xgmac_vp_int_status);
- val64 = readq(&vp_reg->vpath_general_int_status);
+ readq(&vp_reg->vpath_general_int_status);
/* Mask unwanted interrupts */
@@ -157,8 +155,6 @@ exit:
enum vxge_hw_status vxge_hw_vpath_intr_disable(
struct __vxge_hw_vpath_handle *vp)
{
- u64 val64;
-
struct __vxge_hw_virtualpath *vpath;
enum vxge_hw_status status = VXGE_HW_OK;
struct vxge_hw_vpath_reg __iomem *vp_reg;
@@ -179,8 +175,6 @@ enum vxge_hw_status vxge_hw_vpath_intr_disable(
(u32)VXGE_HW_INTR_MASK_ALL,
&vp_reg->vpath_general_int_mask);
- val64 = VXGE_HW_TIM_CLR_INT_EN_VP(1 << (16 - vpath->vp_id));
-
writeq(VXGE_HW_INTR_MASK_ALL, &vp_reg->kdfcctl_errors_mask);
__vxge_hw_pio_mem_write32_upper((u32)VXGE_HW_INTR_MASK_ALL,
@@ -487,9 +481,7 @@ void vxge_hw_device_unmask_all(struct __vxge_hw_device *hldev)
*/
void vxge_hw_device_flush_io(struct __vxge_hw_device *hldev)
{
- u32 val32;
-
- val32 = readl(&hldev->common_reg->titan_general_int_status);
+ readl(&hldev->common_reg->titan_general_int_status);
}
/**
@@ -1716,8 +1708,8 @@ void vxge_hw_fifo_txdl_free(struct __vxge_hw_fifo *fifo, void *txdlh)
enum vxge_hw_status
vxge_hw_vpath_mac_addr_add(
struct __vxge_hw_vpath_handle *vp,
- u8 (macaddr)[ETH_ALEN],
- u8 (macaddr_mask)[ETH_ALEN],
+ u8 *macaddr,
+ u8 *macaddr_mask,
enum vxge_hw_vpath_mac_addr_add_mode duplicate_mode)
{
u32 i;
@@ -1779,8 +1771,8 @@ exit:
enum vxge_hw_status
vxge_hw_vpath_mac_addr_get(
struct __vxge_hw_vpath_handle *vp,
- u8 (macaddr)[ETH_ALEN],
- u8 (macaddr_mask)[ETH_ALEN])
+ u8 *macaddr,
+ u8 *macaddr_mask)
{
u32 i;
u64 data1 = 0ULL;
@@ -1831,8 +1823,8 @@ exit:
enum vxge_hw_status
vxge_hw_vpath_mac_addr_get_next(
struct __vxge_hw_vpath_handle *vp,
- u8 (macaddr)[ETH_ALEN],
- u8 (macaddr_mask)[ETH_ALEN])
+ u8 *macaddr,
+ u8 *macaddr_mask)
{
u32 i;
u64 data1 = 0ULL;
@@ -1884,8 +1876,8 @@ exit:
enum vxge_hw_status
vxge_hw_vpath_mac_addr_delete(
struct __vxge_hw_vpath_handle *vp,
- u8 (macaddr)[ETH_ALEN],
- u8 (macaddr_mask)[ETH_ALEN])
+ u8 *macaddr,
+ u8 *macaddr_mask)
{
u32 i;
u64 data1 = 0ULL;
@@ -2375,7 +2367,6 @@ enum vxge_hw_status vxge_hw_vpath_poll_rx(struct __vxge_hw_ring *ring)
u8 t_code;
enum vxge_hw_status status = VXGE_HW_OK;
void *first_rxdh;
- u64 val64 = 0;
int new_count = 0;
ring->cmpl_cnt = 0;
@@ -2403,8 +2394,7 @@ enum vxge_hw_status vxge_hw_vpath_poll_rx(struct __vxge_hw_ring *ring)
}
writeq(VXGE_HW_PRC_RXD_DOORBELL_NEW_QW_CNT(new_count),
&ring->vp_reg->prc_rxd_doorbell);
- val64 =
- readl(&ring->common_reg->titan_general_int_status);
+ readl(&ring->common_reg->titan_general_int_status);
ring->doorbell_cnt = 0;
}
}
diff --git a/drivers/net/ethernet/sfc/falcon/farch.c b/drivers/net/ethernet/sfc/falcon/farch.c
index fa1ade856b10..2c91792cec01 100644
--- a/drivers/net/ethernet/sfc/falcon/farch.c
+++ b/drivers/net/ethernet/sfc/falcon/farch.c
@@ -870,17 +870,12 @@ static u16 ef4_farch_handle_rx_not_ok(struct ef4_rx_queue *rx_queue,
{
struct ef4_channel *channel = ef4_rx_queue_channel(rx_queue);
struct ef4_nic *efx = rx_queue->efx;
- bool rx_ev_buf_owner_id_err, rx_ev_ip_hdr_chksum_err;
+ bool __maybe_unused rx_ev_buf_owner_id_err, rx_ev_ip_hdr_chksum_err;
bool rx_ev_tcp_udp_chksum_err, rx_ev_eth_crc_err;
bool rx_ev_frm_trunc, rx_ev_drib_nib, rx_ev_tobe_disc;
- bool rx_ev_other_err, rx_ev_pause_frm;
- bool rx_ev_hdr_type, rx_ev_mcast_pkt;
- unsigned rx_ev_pkt_type;
+ bool rx_ev_pause_frm;
- rx_ev_hdr_type = EF4_QWORD_FIELD(*event, FSF_AZ_RX_EV_HDR_TYPE);
- rx_ev_mcast_pkt = EF4_QWORD_FIELD(*event, FSF_AZ_RX_EV_MCAST_PKT);
rx_ev_tobe_disc = EF4_QWORD_FIELD(*event, FSF_AZ_RX_EV_TOBE_DISC);
- rx_ev_pkt_type = EF4_QWORD_FIELD(*event, FSF_AZ_RX_EV_PKT_TYPE);
rx_ev_buf_owner_id_err = EF4_QWORD_FIELD(*event,
FSF_AZ_RX_EV_BUF_OWNER_ID_ERR);
rx_ev_ip_hdr_chksum_err = EF4_QWORD_FIELD(*event,
@@ -893,10 +888,6 @@ static u16 ef4_farch_handle_rx_not_ok(struct ef4_rx_queue *rx_queue,
0 : EF4_QWORD_FIELD(*event, FSF_AA_RX_EV_DRIB_NIB));
rx_ev_pause_frm = EF4_QWORD_FIELD(*event, FSF_AZ_RX_EV_PAUSE_FRM_ERR);
- /* Every error apart from tobe_disc and pause_frm */
- rx_ev_other_err = (rx_ev_drib_nib | rx_ev_tcp_udp_chksum_err |
- rx_ev_buf_owner_id_err | rx_ev_eth_crc_err |
- rx_ev_frm_trunc | rx_ev_ip_hdr_chksum_err);
/* Count errors that are not in MAC stats. Ignore expected
* checksum errors during self-test. */
@@ -916,6 +907,13 @@ static u16 ef4_farch_handle_rx_not_ok(struct ef4_rx_queue *rx_queue,
* to a FIFO overflow.
*/
#ifdef DEBUG
+ {
+ /* Every error apart from tobe_disc and pause_frm */
+
+ bool rx_ev_other_err = (rx_ev_drib_nib | rx_ev_tcp_udp_chksum_err |
+ rx_ev_buf_owner_id_err | rx_ev_eth_crc_err |
+ rx_ev_frm_trunc | rx_ev_ip_hdr_chksum_err);
+
if (rx_ev_other_err && net_ratelimit()) {
netif_dbg(efx, rx_err, efx->net_dev,
" RX queue %d unexpected RX event "
@@ -932,6 +930,7 @@ static u16 ef4_farch_handle_rx_not_ok(struct ef4_rx_queue *rx_queue,
rx_ev_tobe_disc ? " [TOBE_DISC]" : "",
rx_ev_pause_frm ? " [PAUSE]" : "");
}
+ }
#endif
/* The frame must be discarded if any of these are true. */
@@ -1643,15 +1642,11 @@ void ef4_farch_rx_push_indir_table(struct ef4_nic *efx)
*/
void ef4_farch_dimension_resources(struct ef4_nic *efx, unsigned sram_lim_qw)
{
- unsigned vi_count, buftbl_min;
+ unsigned vi_count;
/* Account for the buffer table entries backing the datapath channels
* and the descriptor caches for those channels.
*/
- buftbl_min = ((efx->n_rx_channels * EF4_MAX_DMAQ_SIZE +
- efx->n_tx_channels * EF4_TXQ_TYPES * EF4_MAX_DMAQ_SIZE +
- efx->n_channels * EF4_MAX_EVQ_SIZE)
- * sizeof(ef4_qword_t) / EF4_BUF_SIZE);
vi_count = max(efx->n_channels, efx->n_tx_channels * EF4_TXQ_TYPES);
efx->tx_dc_base = sram_lim_qw - vi_count * TX_DC_ENTRIES;
@@ -2532,7 +2527,6 @@ int ef4_farch_filter_remove_safe(struct ef4_nic *efx,
enum ef4_farch_filter_table_id table_id;
struct ef4_farch_filter_table *table;
unsigned int filter_idx;
- struct ef4_farch_filter_spec *spec;
int rc;
table_id = ef4_farch_filter_id_table_id(filter_id);
@@ -2543,7 +2537,6 @@ int ef4_farch_filter_remove_safe(struct ef4_nic *efx,
filter_idx = ef4_farch_filter_id_index(filter_id);
if (filter_idx >= table->size)
return -ENOENT;
- spec = &table->spec[filter_idx];
spin_lock_bh(&efx->filter_lock);
rc = ef4_farch_filter_remove(efx, table, filter_idx, priority);
diff --git a/drivers/net/ethernet/sis/sis900.c b/drivers/net/ethernet/sis/sis900.c
index cfa460c7db23..869b7618e2ba 100644
--- a/drivers/net/ethernet/sis/sis900.c
+++ b/drivers/net/ethernet/sis/sis900.c
@@ -789,10 +789,9 @@ static u16 sis900_default_phy(struct net_device * net_dev)
static void sis900_set_capability(struct net_device *net_dev, struct mii_phy *phy)
{
u16 cap;
- u16 status;
- status = mdio_read(net_dev, phy->phy_addr, MII_STATUS);
- status = mdio_read(net_dev, phy->phy_addr, MII_STATUS);
+ mdio_read(net_dev, phy->phy_addr, MII_STATUS);
+ mdio_read(net_dev, phy->phy_addr, MII_STATUS);
cap = MII_NWAY_CSMA_CD |
((phy->status & MII_STAT_CAN_TX_FDX)? MII_NWAY_TX_FDX:0) |
diff --git a/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c b/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c
index eb1c6b03c329..df26cea45904 100644
--- a/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c
+++ b/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c
@@ -513,7 +513,7 @@ void xlgmac_get_all_hw_features(struct xlgmac_pdata *pdata)
void xlgmac_print_all_hw_features(struct xlgmac_pdata *pdata)
{
- char *str = NULL;
+ char __maybe_unused *str = NULL;
XLGMAC_PR("\n");
XLGMAC_PR("=====================================================\n");
diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c
index 26073cd63e33..f779d2e1b5c5 100644
--- a/drivers/net/ethernet/ti/cpsw_new.c
+++ b/drivers/net/ethernet/ti/cpsw_new.c
@@ -1660,12 +1660,10 @@ static int cpsw_dl_switch_mode_set(struct devlink *dl, u32 id,
for (i = 0; i < cpsw->data.slaves; i++) {
struct cpsw_slave *slave = &cpsw->slaves[i];
struct net_device *sl_ndev = slave->ndev;
- struct cpsw_priv *priv;
if (!sl_ndev)
continue;
- priv = netdev_priv(sl_ndev);
if (switch_en)
vlan = cpsw->data.default_vlan;
else
diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index de282531f68b..b36d0e412d23 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -1227,7 +1227,7 @@ static int emac_poll(struct napi_struct *napi, int budget)
struct net_device *ndev = priv->ndev;
struct device *emac_dev = &ndev->dev;
u32 status = 0;
- u32 num_tx_pkts = 0, num_rx_pkts = 0;
+ u32 num_rx_pkts = 0;
/* Check interrupt vectors and call packet processing */
status = emac_read(EMAC_MACINVECTOR);
@@ -1238,8 +1238,7 @@ static int emac_poll(struct napi_struct *napi, int budget)
mask = EMAC_DM646X_MAC_IN_VECTOR_TX_INT_VEC;
if (status & mask) {
- num_tx_pkts = cpdma_chan_process(priv->txchan,
- EMAC_DEF_TX_MAX_SERVICE);
+ cpdma_chan_process(priv->txchan, EMAC_DEF_TX_MAX_SERVICE);
} /* TX processing */
mask = EMAC_DM644X_MAC_IN_VECTOR_RX_INT_VEC;
diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c
index 1203a3c0febb..317fad787d78 100644
--- a/drivers/net/ethernet/ti/tlan.c
+++ b/drivers/net/ethernet/ti/tlan.c
@@ -653,7 +653,6 @@ module_exit(tlan_exit);
static void __init tlan_eisa_probe(void)
{
long ioaddr;
- int rc = -ENODEV;
int irq;
u16 device_id;
@@ -718,8 +717,7 @@ static void __init tlan_eisa_probe(void)
/* Setup the newly found eisa adapter */
- rc = tlan_probe1(NULL, ioaddr, irq,
- 12, NULL);
+ tlan_probe1(NULL, ioaddr, irq, 12, NULL);
continue;
out:
diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c
index 6d2a31488a74..722b44604ea8 100644
--- a/drivers/net/ethernet/via/via-velocity.c
+++ b/drivers/net/ethernet/via/via-velocity.c
@@ -877,26 +877,13 @@ static u32 check_connection_type(struct mac_regs __iomem *regs)
*/
static int velocity_set_media_mode(struct velocity_info *vptr, u32 mii_status)
{
- u32 curr_status;
struct mac_regs __iomem *regs = vptr->mac_regs;
vptr->mii_status = mii_check_media_mode(vptr->mac_regs);
- curr_status = vptr->mii_status & (~VELOCITY_LINK_FAIL);
/* Set mii link status */
set_mii_flow_control(vptr);
- /*
- Check if new status is consistent with current status
- if (((mii_status & curr_status) & VELOCITY_AUTONEG_ENABLE) ||
- (mii_status==curr_status)) {
- vptr->mii_status=mii_check_media_mode(vptr->mac_regs);
- vptr->mii_status=check_connection_type(vptr->mac_regs);
- netdev_info(vptr->netdev, "Velocity link no change\n");
- return 0;
- }
- */
-
if (PHYID_GET_PHY_ID(vptr->phy_id) == PHYID_CICADA_CS8201)
MII_REG_BITS_ON(AUXCR_MDPPS, MII_NCONFIG, vptr->mac_regs);