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-rw-r--r--drivers/net/ethernet/microchip/encx24j600-regmap.c14
-rw-r--r--drivers/net/ethernet/microchip/encx24j600.c5
-rw-r--r--drivers/net/ethernet/microchip/encx24j600_hw.h4
-rw-r--r--drivers/net/ethernet/microchip/lan743x_ethtool.c9
-rw-r--r--drivers/net/ethernet/microchip/lan743x_main.c74
-rw-r--r--drivers/net/ethernet/microchip/lan743x_main.h3
6 files changed, 72 insertions, 37 deletions
diff --git a/drivers/net/ethernet/microchip/encx24j600-regmap.c b/drivers/net/ethernet/microchip/encx24j600-regmap.c
index 44bb04d4d21b..4a8d9633e082 100644
--- a/drivers/net/ethernet/microchip/encx24j600-regmap.c
+++ b/drivers/net/ethernet/microchip/encx24j600-regmap.c
@@ -367,7 +367,7 @@ static int regmap_encx24j600_phy_reg_read(void *context, unsigned int reg,
goto err_out;
usleep_range(26, 100);
- while ((ret = regmap_read(ctx->regmap, MISTAT, &mistat) != 0) &&
+ while (((ret = regmap_read(ctx->regmap, MISTAT, &mistat)) == 0) &&
(mistat & BUSY))
cpu_relax();
@@ -405,7 +405,7 @@ static int regmap_encx24j600_phy_reg_write(void *context, unsigned int reg,
goto err_out;
usleep_range(26, 100);
- while ((ret = regmap_read(ctx->regmap, MISTAT, &mistat) != 0) &&
+ while (((ret = regmap_read(ctx->regmap, MISTAT, &mistat)) == 0) &&
(mistat & BUSY))
cpu_relax();
@@ -505,13 +505,19 @@ static struct regmap_bus phymap_encx24j600 = {
.reg_read = regmap_encx24j600_phy_reg_read,
};
-void devm_regmap_init_encx24j600(struct device *dev,
- struct encx24j600_context *ctx)
+int devm_regmap_init_encx24j600(struct device *dev,
+ struct encx24j600_context *ctx)
{
mutex_init(&ctx->mutex);
regcfg.lock_arg = ctx;
ctx->regmap = devm_regmap_init(dev, &regmap_encx24j600, ctx, &regcfg);
+ if (IS_ERR(ctx->regmap))
+ return PTR_ERR(ctx->regmap);
ctx->phymap = devm_regmap_init(dev, &phymap_encx24j600, ctx, &phycfg);
+ if (IS_ERR(ctx->phymap))
+ return PTR_ERR(ctx->phymap);
+
+ return 0;
}
EXPORT_SYMBOL_GPL(devm_regmap_init_encx24j600);
diff --git a/drivers/net/ethernet/microchip/encx24j600.c b/drivers/net/ethernet/microchip/encx24j600.c
index 84b6ad76f5bc..ff45326eb696 100644
--- a/drivers/net/ethernet/microchip/encx24j600.c
+++ b/drivers/net/ethernet/microchip/encx24j600.c
@@ -1032,10 +1032,13 @@ static int encx24j600_spi_probe(struct spi_device *spi)
priv->speed = SPEED_100;
priv->ctx.spi = spi;
- devm_regmap_init_encx24j600(&spi->dev, &priv->ctx);
ndev->irq = spi->irq;
ndev->netdev_ops = &encx24j600_netdev_ops;
+ ret = devm_regmap_init_encx24j600(&spi->dev, &priv->ctx);
+ if (ret)
+ goto out_free;
+
mutex_init(&priv->lock);
/* Reset device and check if it is connected */
diff --git a/drivers/net/ethernet/microchip/encx24j600_hw.h b/drivers/net/ethernet/microchip/encx24j600_hw.h
index f604a260ede7..711147a159aa 100644
--- a/drivers/net/ethernet/microchip/encx24j600_hw.h
+++ b/drivers/net/ethernet/microchip/encx24j600_hw.h
@@ -15,8 +15,8 @@ struct encx24j600_context {
int bank;
};
-void devm_regmap_init_encx24j600(struct device *dev,
- struct encx24j600_context *ctx);
+int devm_regmap_init_encx24j600(struct device *dev,
+ struct encx24j600_context *ctx);
/* Single-byte instructions */
#define BANK_SELECT(bank) (0xC0 | ((bank & (BANK_MASK >> BANK_SHIFT)) << 1))
diff --git a/drivers/net/ethernet/microchip/lan743x_ethtool.c b/drivers/net/ethernet/microchip/lan743x_ethtool.c
index 07c1eb63415a..190c22cdc4d2 100644
--- a/drivers/net/ethernet/microchip/lan743x_ethtool.c
+++ b/drivers/net/ethernet/microchip/lan743x_ethtool.c
@@ -659,7 +659,9 @@ static void lan743x_ethtool_get_wol(struct net_device *netdev,
wol->supported = 0;
wol->wolopts = 0;
- phy_ethtool_get_wol(netdev->phydev, wol);
+
+ if (netdev->phydev)
+ phy_ethtool_get_wol(netdev->phydev, wol);
wol->supported |= WAKE_BCAST | WAKE_UCAST | WAKE_MCAST |
WAKE_MAGIC | WAKE_PHY | WAKE_ARP;
@@ -688,9 +690,8 @@ static int lan743x_ethtool_set_wol(struct net_device *netdev,
device_set_wakeup_enable(&adapter->pdev->dev, (bool)wol->wolopts);
- phy_ethtool_set_wol(netdev->phydev, wol);
-
- return 0;
+ return netdev->phydev ? phy_ethtool_set_wol(netdev->phydev, wol)
+ : -ENETDOWN;
}
#endif /* CONFIG_PM */
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index 208341541087..112d374e7166 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -80,6 +80,18 @@ static int lan743x_csr_light_reset(struct lan743x_adapter *adapter)
!(data & HW_CFG_LRST_), 100000, 10000000);
}
+static int lan743x_csr_wait_for_bit_atomic(struct lan743x_adapter *adapter,
+ int offset, u32 bit_mask,
+ int target_value, int udelay_min,
+ int udelay_max, int count)
+{
+ u32 data;
+
+ return readx_poll_timeout_atomic(LAN743X_CSR_READ_OP, offset, data,
+ target_value == !!(data & bit_mask),
+ udelay_max, udelay_min * count);
+}
+
static int lan743x_csr_wait_for_bit(struct lan743x_adapter *adapter,
int offset, u32 bit_mask,
int target_value, int usleep_min,
@@ -145,7 +157,8 @@ static void lan743x_intr_software_isr(void *context)
int_sts = lan743x_csr_read(adapter, INT_STS);
if (int_sts & INT_BIT_SW_GP_) {
- lan743x_csr_write(adapter, INT_STS, INT_BIT_SW_GP_);
+ /* disable the interrupt to prevent repeated re-triggering */
+ lan743x_csr_write(adapter, INT_EN_CLR, INT_BIT_SW_GP_);
intr->software_isr_flag = 1;
}
}
@@ -155,9 +168,8 @@ 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));
@@ -672,14 +684,12 @@ clean_up:
static int lan743x_dp_write(struct lan743x_adapter *adapter,
u32 select, u32 addr, u32 length, u32 *buf)
{
- int ret = -EIO;
u32 dp_sel;
int i;
- mutex_lock(&adapter->dp_lock);
- if (lan743x_csr_wait_for_bit(adapter, DP_SEL, DP_SEL_DPRDY_,
- 1, 40, 100, 100))
- goto unlock;
+ if (lan743x_csr_wait_for_bit_atomic(adapter, DP_SEL, DP_SEL_DPRDY_,
+ 1, 40, 100, 100))
+ return -EIO;
dp_sel = lan743x_csr_read(adapter, DP_SEL);
dp_sel &= ~DP_SEL_MASK_;
dp_sel |= select;
@@ -689,15 +699,13 @@ static int lan743x_dp_write(struct lan743x_adapter *adapter,
lan743x_csr_write(adapter, DP_ADDR, addr + i);
lan743x_csr_write(adapter, DP_DATA_0, buf[i]);
lan743x_csr_write(adapter, DP_CMD, DP_CMD_WRITE_);
- if (lan743x_csr_wait_for_bit(adapter, DP_SEL, DP_SEL_DPRDY_,
- 1, 40, 100, 100))
- goto unlock;
+ if (lan743x_csr_wait_for_bit_atomic(adapter, DP_SEL,
+ DP_SEL_DPRDY_,
+ 1, 40, 100, 100))
+ return -EIO;
}
- ret = 0;
-unlock:
- mutex_unlock(&adapter->dp_lock);
- return ret;
+ return 0;
}
static u32 lan743x_mac_mii_access(u16 id, u16 index, int read)
@@ -1250,13 +1258,13 @@ clean_up_data_descriptor:
goto clear_active;
if (!(buffer_info->flags & TX_BUFFER_INFO_FLAG_TIMESTAMP_REQUESTED)) {
- dev_kfree_skb(buffer_info->skb);
+ dev_kfree_skb_any(buffer_info->skb);
goto clear_skb;
}
if (cleanup) {
lan743x_ptp_unrequest_tx_timestamp(tx->adapter);
- dev_kfree_skb(buffer_info->skb);
+ dev_kfree_skb_any(buffer_info->skb);
} else {
ignore_sync = (buffer_info->flags &
TX_BUFFER_INFO_FLAG_IGNORE_SYNC) != 0;
@@ -1566,7 +1574,7 @@ static netdev_tx_t lan743x_tx_xmit_frame(struct lan743x_tx *tx,
if (required_number_of_descriptors >
lan743x_tx_get_avail_desc(tx)) {
if (required_number_of_descriptors > (tx->ring_size - 1)) {
- dev_kfree_skb(skb);
+ dev_kfree_skb_irq(skb);
} else {
/* save to overflow buffer */
tx->overflow_skb = skb;
@@ -1599,7 +1607,7 @@ static netdev_tx_t lan743x_tx_xmit_frame(struct lan743x_tx *tx,
start_frame_length,
do_timestamp,
skb->ip_summed == CHECKSUM_PARTIAL)) {
- dev_kfree_skb(skb);
+ dev_kfree_skb_irq(skb);
goto unlock;
}
@@ -1619,7 +1627,7 @@ static netdev_tx_t lan743x_tx_xmit_frame(struct lan743x_tx *tx,
* frame assembler clean up was performed inside
* lan743x_tx_frame_add_fragment
*/
- dev_kfree_skb(skb);
+ dev_kfree_skb_irq(skb);
goto unlock;
}
}
@@ -1639,10 +1647,9 @@ 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);
@@ -1716,6 +1723,16 @@ static int lan743x_tx_ring_init(struct lan743x_tx *tx)
ret = -EINVAL;
goto cleanup;
}
+ if (dma_set_mask_and_coherent(&tx->adapter->pdev->dev,
+ DMA_BIT_MASK(64))) {
+ if (dma_set_mask_and_coherent(&tx->adapter->pdev->dev,
+ DMA_BIT_MASK(32))) {
+ dev_warn(&tx->adapter->pdev->dev,
+ "lan743x_: No suitable DMA available\n");
+ ret = -ENOMEM;
+ goto cleanup;
+ }
+ }
ring_allocation_size = ALIGN(tx->ring_size *
sizeof(struct lan743x_tx_descriptor),
PAGE_SIZE);
@@ -2264,6 +2281,16 @@ static int lan743x_rx_ring_init(struct lan743x_rx *rx)
ret = -EINVAL;
goto cleanup;
}
+ if (dma_set_mask_and_coherent(&rx->adapter->pdev->dev,
+ DMA_BIT_MASK(64))) {
+ if (dma_set_mask_and_coherent(&rx->adapter->pdev->dev,
+ DMA_BIT_MASK(32))) {
+ dev_warn(&rx->adapter->pdev->dev,
+ "lan743x_: No suitable DMA available\n");
+ ret = -ENOMEM;
+ goto cleanup;
+ }
+ }
ring_allocation_size = ALIGN(rx->ring_size *
sizeof(struct lan743x_rx_descriptor),
PAGE_SIZE);
@@ -2679,7 +2706,6 @@ static int lan743x_hardware_init(struct lan743x_adapter *adapter,
adapter->intr.irq = adapter->pdev->irq;
lan743x_csr_write(adapter, INT_EN_CLR, 0xFFFFFFFF);
- mutex_init(&adapter->dp_lock);
ret = lan743x_gpio_init(adapter);
if (ret)
@@ -3010,6 +3036,8 @@ static int lan743x_pm_resume(struct device *dev)
if (ret) {
netif_err(adapter, probe, adapter->netdev,
"lan743x_hardware_init returned %d\n", ret);
+ lan743x_pci_cleanup(adapter);
+ return ret;
}
/* open netdev when netdev is at running state while resume.
diff --git a/drivers/net/ethernet/microchip/lan743x_main.h b/drivers/net/ethernet/microchip/lan743x_main.h
index 2d6eea18973e..77273be2d1ee 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.h
+++ b/drivers/net/ethernet/microchip/lan743x_main.h
@@ -702,9 +702,6 @@ struct lan743x_adapter {
struct lan743x_csr csr;
struct lan743x_intr intr;
- /* lock, used to prevent concurrent access to data port */
- struct mutex dp_lock;
-
struct lan743x_gpio gpio;
struct lan743x_ptp ptp;
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-06-20 04:20:15 +0000