From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/net/ethernet/micrel/ksz884x.c | 184 ++++++++++++++++++++-------------------------
1 files changed, 82 insertions(+), 102 deletions(-)
diff --git a/kernel/drivers/net/ethernet/micrel/ksz884x.c b/kernel/drivers/net/ethernet/micrel/ksz884x.c
index 623a05d..1fa1606 100644
--- a/kernel/drivers/net/ethernet/micrel/ksz884x.c
+++ b/kernel/drivers/net/ethernet/micrel/ksz884x.c
@@ -1,17 +1,9 @@
-/**
+// SPDX-License-Identifier: GPL-2.0-only
+/*
* drivers/net/ethernet/micrel/ksx884x.c - Micrel KSZ8841/2 PCI Ethernet driver
*
* Copyright (c) 2009-2010 Micrel, Inc.
* Tristram Ha <Tristram.Ha@micrel.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -967,7 +959,7 @@
* struct ksz_dma_buf - OS dependent DMA buffer data structure
* @skb: Associated socket buffer.
* @dma: Associated physical DMA address.
- * len: Actual len used.
+ * @len: Actual len used.
*/
struct ksz_dma_buf {
struct sk_buff *skb;
@@ -1262,6 +1254,7 @@
* @multi_list_size: Multicast address list size.
* @enabled: Indication of hardware enabled.
* @rx_stop: Indication of receive process stop.
+ * @reserved2: none
* @features: Hardware features to enable.
* @overrides: Hardware features to override.
* @parent: Pointer to parent, network device private structure.
@@ -1455,7 +1448,7 @@
* struct dev_priv - Network device private data structure
* @adapter: Adapter device information.
* @port: Port information.
- * @monitor_time_info: Timer to monitor ports.
+ * @monitor_timer_info: Timer to monitor ports.
* @proc_sem: Semaphore for proc accessing.
* @id: Device ID.
* @mii_if: MII interface information.
@@ -1574,6 +1567,7 @@
/**
* hw_block_intr - block hardware interrupts
+ * @hw: The hardware instance.
*
* This function blocks all interrupts of the hardware and returns the current
* interrupt enable mask so that interrupts can be restored later.
@@ -1826,6 +1820,7 @@
* port_r_mib_pkt - read dropped packet counts
* @hw: The hardware instance.
* @port: The port index.
+ * @last: last one
* @cnt: Buffer to store the receive and transmit dropped packet counts.
*
* This routine reads the dropped packet counts of the port.
@@ -1979,7 +1974,7 @@
* port_chk_shift - check port bit
* @hw: The hardware instance.
* @port: The port index.
- * @offset: The offset of the register.
+ * @addr: The offset of the register.
* @shift: Number of bits to shift.
*
* This function checks whether the specified port is set in the register or
@@ -2001,7 +1996,7 @@
* port_cfg_shift - set port bit
* @hw: The hardware instance.
* @port: The port index.
- * @offset: The offset of the register.
+ * @addr: The offset of the register.
* @shift: Number of bits to shift.
* @set: The flag indicating whether the port is to be set or not.
*
@@ -2173,7 +2168,7 @@
num = (data & BROADCAST_STORM_RATE_HI);
num <<= 8;
num |= (data & BROADCAST_STORM_RATE_LO) >> 8;
- num = (num * 100 + BROADCAST_STORM_VALUE / 2) / BROADCAST_STORM_VALUE;
+ num = DIV_ROUND_CLOSEST(num * 100, BROADCAST_STORM_VALUE);
*percent = (u8) num;
}
@@ -4397,9 +4392,9 @@
DESC_ALIGNMENT;
adapter->desc_pool.alloc_virt =
- pci_zalloc_consistent(adapter->pdev,
- adapter->desc_pool.alloc_size,
- &adapter->desc_pool.dma_addr);
+ dma_alloc_coherent(&adapter->pdev->dev,
+ adapter->desc_pool.alloc_size,
+ &adapter->desc_pool.dma_addr, GFP_KERNEL);
if (adapter->desc_pool.alloc_virt == NULL) {
adapter->desc_pool.alloc_size = 0;
return 1;
@@ -4432,13 +4427,16 @@
/**
* free_dma_buf - release DMA buffer resources
* @adapter: Adapter information structure.
+ * @dma_buf: pointer to buf
+ * @direction: to or from device
*
* This routine is just a helper function to release the DMA buffer resources.
*/
static void free_dma_buf(struct dev_info *adapter, struct ksz_dma_buf *dma_buf,
int direction)
{
- pci_unmap_single(adapter->pdev, dma_buf->dma, dma_buf->len, direction);
+ dma_unmap_single(&adapter->pdev->dev, dma_buf->dma, dma_buf->len,
+ direction);
dev_kfree_skb(dma_buf->skb);
dma_buf->skb = NULL;
dma_buf->dma = 0;
@@ -4463,16 +4461,15 @@
dma_buf = DMA_BUFFER(desc);
if (dma_buf->skb && dma_buf->len != adapter->mtu)
- free_dma_buf(adapter, dma_buf, PCI_DMA_FROMDEVICE);
+ free_dma_buf(adapter, dma_buf, DMA_FROM_DEVICE);
dma_buf->len = adapter->mtu;
if (!dma_buf->skb)
dma_buf->skb = alloc_skb(dma_buf->len, GFP_ATOMIC);
if (dma_buf->skb && !dma_buf->dma)
- dma_buf->dma = pci_map_single(
- adapter->pdev,
- skb_tail_pointer(dma_buf->skb),
- dma_buf->len,
- PCI_DMA_FROMDEVICE);
+ dma_buf->dma = dma_map_single(&adapter->pdev->dev,
+ skb_tail_pointer(dma_buf->skb),
+ dma_buf->len,
+ DMA_FROM_DEVICE);
/* Set descriptor. */
set_rx_buf(desc, dma_buf->dma);
@@ -4550,11 +4547,10 @@
/* Free memory. */
if (adapter->desc_pool.alloc_virt)
- pci_free_consistent(
- adapter->pdev,
- adapter->desc_pool.alloc_size,
- adapter->desc_pool.alloc_virt,
- adapter->desc_pool.dma_addr);
+ dma_free_coherent(&adapter->pdev->dev,
+ adapter->desc_pool.alloc_size,
+ adapter->desc_pool.alloc_virt,
+ adapter->desc_pool.dma_addr);
/* Reset resource pool. */
adapter->desc_pool.alloc_size = 0;
@@ -4570,6 +4566,7 @@
* ksz_free_buffers - free buffers used in the descriptors
* @adapter: Adapter information structure.
* @desc_info: Descriptor information structure.
+ * @direction: to or from device
*
* This local routine frees buffers used in the DMA buffers.
*/
@@ -4597,12 +4594,10 @@
static void ksz_free_mem(struct dev_info *adapter)
{
/* Free transmit buffers. */
- ksz_free_buffers(adapter, &adapter->hw.tx_desc_info,
- PCI_DMA_TODEVICE);
+ ksz_free_buffers(adapter, &adapter->hw.tx_desc_info, DMA_TO_DEVICE);
/* Free receive buffers. */
- ksz_free_buffers(adapter, &adapter->hw.rx_desc_info,
- PCI_DMA_FROMDEVICE);
+ ksz_free_buffers(adapter, &adapter->hw.rx_desc_info, DMA_FROM_DEVICE);
/* Free descriptors. */
ksz_free_desc(adapter);
@@ -4664,9 +4659,8 @@
dma_buf->len = skb_headlen(skb);
- dma_buf->dma = pci_map_single(
- hw_priv->pdev, skb->data, dma_buf->len,
- PCI_DMA_TODEVICE);
+ dma_buf->dma = dma_map_single(&hw_priv->pdev->dev, skb->data,
+ dma_buf->len, DMA_TO_DEVICE);
set_tx_buf(desc, dma_buf->dma);
set_tx_len(desc, dma_buf->len);
@@ -4683,11 +4677,10 @@
dma_buf = DMA_BUFFER(desc);
dma_buf->len = skb_frag_size(this_frag);
- dma_buf->dma = pci_map_single(
- hw_priv->pdev,
- skb_frag_address(this_frag),
- dma_buf->len,
- PCI_DMA_TODEVICE);
+ dma_buf->dma = dma_map_single(&hw_priv->pdev->dev,
+ skb_frag_address(this_frag),
+ dma_buf->len,
+ DMA_TO_DEVICE);
set_tx_buf(desc, dma_buf->dma);
set_tx_len(desc, dma_buf->len);
@@ -4707,9 +4700,8 @@
} else {
dma_buf->len = len;
- dma_buf->dma = pci_map_single(
- hw_priv->pdev, skb->data, dma_buf->len,
- PCI_DMA_TODEVICE);
+ dma_buf->dma = dma_map_single(&hw_priv->pdev->dev, skb->data,
+ dma_buf->len, DMA_TO_DEVICE);
set_tx_buf(desc, dma_buf->dma);
set_tx_len(desc, dma_buf->len);
}
@@ -4734,7 +4726,8 @@
/**
* transmit_cleanup - clean up transmit descriptors
- * @dev: Network device.
+ * @hw_priv: Network device.
+ * @normal: break if owned
*
* This routine is called to clean up the transmitted buffers.
*/
@@ -4763,9 +4756,8 @@
}
dma_buf = DMA_BUFFER(desc);
- pci_unmap_single(
- hw_priv->pdev, dma_buf->dma, dma_buf->len,
- PCI_DMA_TODEVICE);
+ dma_unmap_single(&hw_priv->pdev->dev, dma_buf->dma,
+ dma_buf->len, DMA_TO_DEVICE);
/* This descriptor contains the last buffer in the packet. */
if (dma_buf->skb) {
@@ -4791,7 +4783,7 @@
/**
* transmit_done - transmit done processing
- * @dev: Network device.
+ * @hw_priv: Network device.
*
* This routine is called when the transmit interrupt is triggered, indicating
* either a packet is sent successfully or there are transmit errors.
@@ -4897,13 +4889,14 @@
/**
* netdev_tx_timeout - transmit timeout processing
* @dev: Network device.
+ * @txqueue: index of hanging queue
*
* This routine is called when the transmit timer expires. That indicates the
* hardware is not running correctly because transmit interrupts are not
* triggered to free up resources so that the transmit routine can continue
* sending out packets. The hardware is reset to correct the problem.
*/
-static void netdev_tx_timeout(struct net_device *dev)
+static void netdev_tx_timeout(struct net_device *dev, unsigned int txqueue)
{
static unsigned long last_reset;
@@ -4992,15 +4985,13 @@
struct dev_info *hw_priv = priv->adapter;
struct ksz_dma_buf *dma_buf;
struct sk_buff *skb;
- int rx_status;
/* Received length includes 4-byte CRC. */
packet_len = status.rx.frame_len - 4;
dma_buf = DMA_BUFFER(desc);
- pci_dma_sync_single_for_cpu(
- hw_priv->pdev, dma_buf->dma, packet_len + 4,
- PCI_DMA_FROMDEVICE);
+ dma_sync_single_for_cpu(&hw_priv->pdev->dev, dma_buf->dma,
+ packet_len + 4, DMA_FROM_DEVICE);
do {
/* skb->data != skb->head */
@@ -5029,7 +5020,7 @@
dev->stats.rx_bytes += packet_len;
/* Notify upper layer for received packet. */
- rx_status = netif_rx(skb);
+ netif_rx(skb);
return 0;
}
@@ -5174,9 +5165,9 @@
return received;
}
-static void rx_proc_task(unsigned long data)
+static void rx_proc_task(struct tasklet_struct *t)
{
- struct dev_info *hw_priv = (struct dev_info *) data;
+ struct dev_info *hw_priv = from_tasklet(hw_priv, t, rx_tasklet);
struct ksz_hw *hw = &hw_priv->hw;
if (!hw->enabled)
@@ -5196,9 +5187,9 @@
}
}
-static void tx_proc_task(unsigned long data)
+static void tx_proc_task(struct tasklet_struct *t)
{
- struct dev_info *hw_priv = (struct dev_info *) data;
+ struct dev_info *hw_priv = from_tasklet(hw_priv, t, tx_tasklet);
struct ksz_hw *hw = &hw_priv->hw;
hw_ack_intr(hw, KS884X_INT_TX_MASK);
@@ -5451,10 +5442,8 @@
rc = request_irq(dev->irq, netdev_intr, IRQF_SHARED, dev->name, dev);
if (rc)
return rc;
- tasklet_init(&hw_priv->rx_tasklet, rx_proc_task,
- (unsigned long) hw_priv);
- tasklet_init(&hw_priv->tx_tasklet, tx_proc_task,
- (unsigned long) hw_priv);
+ tasklet_setup(&hw_priv->rx_tasklet, rx_proc_task);
+ tasklet_setup(&hw_priv->tx_tasklet, tx_proc_task);
hw->promiscuous = 0;
hw->all_multi = 0;
@@ -5701,7 +5690,7 @@
* from the bridge.
*/
if ((hw->features & STP_SUPPORT) && !promiscuous &&
- (dev->priv_flags & IFF_BRIDGE_PORT)) {
+ netif_is_bridge_port(dev)) {
struct ksz_switch *sw = hw->ksz_switch;
int port = priv->port.first_port;
@@ -5844,8 +5833,7 @@
/* Get address of MII PHY in use. */
case SIOCGMIIPHY:
data->phy_id = priv->id;
-
- /* Fallthrough... */
+ fallthrough;
/* Read MII PHY register. */
case SIOCGMIIREG:
@@ -6093,14 +6081,6 @@
sizeof(info->bus_info));
}
-/**
- * netdev_get_regs_len - get length of register dump
- * @dev: Network device.
- *
- * This function returns the length of the register dump.
- *
- * Return length of the register dump.
- */
static struct hw_regs {
int start;
int end;
@@ -6114,6 +6094,14 @@
{ 0, 0 }
};
+/**
+ * netdev_get_regs_len - get length of register dump
+ * @dev: Network device.
+ *
+ * This function returns the length of the register dump.
+ *
+ * Return length of the register dump.
+ */
static int netdev_get_regs_len(struct net_device *dev)
{
struct hw_regs *range = hw_regs_range;
@@ -6255,6 +6243,8 @@
return EEPROM_SIZE * 2;
}
+#define EEPROM_MAGIC 0x10A18842
+
/**
* netdev_get_eeprom - get EEPROM data
* @dev: Network device.
@@ -6265,8 +6255,6 @@
*
* Return 0 if successful; otherwise an error code.
*/
-#define EEPROM_MAGIC 0x10A18842
-
static int netdev_get_eeprom(struct net_device *dev,
struct ethtool_eeprom *eeprom, u8 *data)
{
@@ -6403,7 +6391,7 @@
/**
* netdev_get_ringparam - get tx/rx ring parameters
* @dev: Network device.
- * @pause: Ethtool RING settings data structure.
+ * @ring: Ethtool RING settings data structure.
*
* This procedure returns the TX/RX ring settings.
*/
@@ -6524,7 +6512,6 @@
int i;
int n;
int p;
- int rc;
u64 counter[TOTAL_PORT_COUNTER_NUM];
mutex_lock(&hw_priv->lock);
@@ -6545,19 +6532,19 @@
if (1 == port->mib_port_cnt && n < SWITCH_PORT_NUM) {
p = n;
- rc = wait_event_interruptible_timeout(
+ wait_event_interruptible_timeout(
hw_priv->counter[p].counter,
2 == hw_priv->counter[p].read,
HZ * 1);
} else
for (i = 0, p = n; i < port->mib_port_cnt - n; i++, p++) {
if (0 == i) {
- rc = wait_event_interruptible_timeout(
+ wait_event_interruptible_timeout(
hw_priv->counter[p].counter,
2 == hw_priv->counter[p].read,
HZ * 2);
} else if (hw->port_mib[p].cnt_ptr) {
- rc = wait_event_interruptible_timeout(
+ wait_event_interruptible_timeout(
hw_priv->counter[p].counter,
2 == hw_priv->counter[p].read,
HZ * 1);
@@ -6708,7 +6695,7 @@
/**
* dev_monitor - periodic monitoring
- * @ptr: Network device pointer.
+ * @t: timer list containing a network device pointer.
*
* This routine is run in a kernel timer to monitor the network device.
*/
@@ -6936,14 +6923,14 @@
char banner[sizeof(version)];
struct ksz_switch *sw = NULL;
- result = pci_enable_device(pdev);
+ result = pcim_enable_device(pdev);
if (result)
return result;
result = -ENODEV;
- if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) ||
- pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
+ if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) ||
+ dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)))
return result;
reg_base = pci_resource_start(pdev, 0);
@@ -7162,17 +7149,14 @@
kfree(info);
}
-#ifdef CONFIG_PM
-static int pcidev_resume(struct pci_dev *pdev)
+static int __maybe_unused pcidev_resume(struct device *dev_d)
{
int i;
- struct platform_info *info = pci_get_drvdata(pdev);
+ struct platform_info *info = dev_get_drvdata(dev_d);
struct dev_info *hw_priv = &info->dev_info;
struct ksz_hw *hw = &hw_priv->hw;
- pci_set_power_state(pdev, PCI_D0);
- pci_restore_state(pdev);
- pci_enable_wake(pdev, PCI_D0, 0);
+ device_wakeup_disable(dev_d);
if (hw_priv->wol_enable)
hw_cfg_wol_pme(hw, 0);
@@ -7189,10 +7173,10 @@
return 0;
}
-static int pcidev_suspend(struct pci_dev *pdev, pm_message_t state)
+static int __maybe_unused pcidev_suspend(struct device *dev_d)
{
int i;
- struct platform_info *info = pci_get_drvdata(pdev);
+ struct platform_info *info = dev_get_drvdata(dev_d);
struct dev_info *hw_priv = &info->dev_info;
struct ksz_hw *hw = &hw_priv->hw;
@@ -7214,12 +7198,9 @@
hw_cfg_wol_pme(hw, 1);
}
- pci_save_state(pdev);
- pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
- pci_set_power_state(pdev, pci_choose_state(pdev, state));
+ device_wakeup_enable(dev_d);
return 0;
}
-#endif
static char pcidev_name[] = "ksz884xp";
@@ -7233,11 +7214,10 @@
MODULE_DEVICE_TABLE(pci, pcidev_table);
+static SIMPLE_DEV_PM_OPS(pcidev_pm_ops, pcidev_suspend, pcidev_resume);
+
static struct pci_driver pci_device_driver = {
-#ifdef CONFIG_PM
- .suspend = pcidev_suspend,
- .resume = pcidev_resume,
-#endif
+ .driver.pm = &pcidev_pm_ops,
.name = pcidev_name,
.id_table = pcidev_table,
.probe = pcidev_init,
--
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