Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c
index 911b3d2..9295a9a 100644
--- a/drivers/net/ethernet/intel/e100.c
+++ b/drivers/net/ethernet/intel/e100.c
@@ -150,8 +150,6 @@
 
 
 #define DRV_NAME		"e100"
-#define DRV_EXT			"-NAPI"
-#define DRV_VERSION		"3.5.24-k2"DRV_EXT
 #define DRV_DESCRIPTION		"Intel(R) PRO/100 Network Driver"
 #define DRV_COPYRIGHT		"Copyright(c) 1999-2006 Intel Corporation"
 
@@ -165,7 +163,6 @@
 MODULE_DESCRIPTION(DRV_DESCRIPTION);
 MODULE_AUTHOR(DRV_COPYRIGHT);
 MODULE_LICENSE("GPL v2");
-MODULE_VERSION(DRV_VERSION);
 MODULE_FIRMWARE(FIRMWARE_D101M);
 MODULE_FIRMWARE(FIRMWARE_D101S);
 MODULE_FIRMWARE(FIRMWARE_D102E);
@@ -387,7 +384,7 @@
 	cb_ok       = 0x2000,
 };
 
-/**
+/*
  * cb_command - Command Block flags
  * @cb_tx_nc:  0: controller does CRC (normal),  1: CRC from skb memory
  */
@@ -1534,7 +1531,7 @@
 	e100_hw_reset(nic);
 
 	netif_err(nic, hw, nic->netdev, "e100_hw_init\n");
-	if (!in_interrupt() && (err = e100_self_test(nic)))
+	if ((err = e100_self_test(nic)))
 		return err;
 
 	if ((err = e100_phy_init(nic)))
@@ -2158,7 +2155,7 @@
 	nic->rx_to_use = nic->rx_to_clean = NULL;
 	nic->ru_running = RU_UNINITIALIZED;
 
-	if (!(nic->rxs = kcalloc(count, sizeof(struct rx), GFP_ATOMIC)))
+	if (!(nic->rxs = kcalloc(count, sizeof(struct rx), GFP_KERNEL)))
 		return -ENOMEM;
 
 	for (rx = nic->rxs, i = 0; i < count; rx++, i++) {
@@ -2316,7 +2313,7 @@
 	e100_rx_clean_list(nic);
 }
 
-static void e100_tx_timeout(struct net_device *netdev)
+static void e100_tx_timeout(struct net_device *netdev, unsigned int txqueue)
 {
 	struct nic *nic = netdev_priv(netdev);
 
@@ -2430,16 +2427,19 @@
 {
 	struct nic *nic = netdev_priv(netdev);
 	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
-	strlcpy(info->version, DRV_VERSION, sizeof(info->version));
 	strlcpy(info->bus_info, pci_name(nic->pdev),
 		sizeof(info->bus_info));
 }
 
-#define E100_PHY_REGS 0x1C
+#define E100_PHY_REGS 0x1D
 static int e100_get_regs_len(struct net_device *netdev)
 {
 	struct nic *nic = netdev_priv(netdev);
-	return 1 + E100_PHY_REGS + sizeof(nic->mem->dump_buf);
+
+	/* We know the number of registers, and the size of the dump buffer.
+	 * Calculate the total size in bytes.
+	 */
+	return (1 + E100_PHY_REGS) * sizeof(u32) + sizeof(nic->mem->dump_buf);
 }
 
 static void e100_get_regs(struct net_device *netdev,
@@ -2453,14 +2453,18 @@
 	buff[0] = ioread8(&nic->csr->scb.cmd_hi) << 24 |
 		ioread8(&nic->csr->scb.cmd_lo) << 16 |
 		ioread16(&nic->csr->scb.status);
-	for (i = E100_PHY_REGS; i >= 0; i--)
-		buff[1 + E100_PHY_REGS - i] =
-			mdio_read(netdev, nic->mii.phy_id, i);
+	for (i = 0; i < E100_PHY_REGS; i++)
+		/* Note that we read the registers in reverse order. This
+		 * ordering is the ABI apparently used by ethtool and other
+		 * applications.
+		 */
+		buff[1 + i] = mdio_read(netdev, nic->mii.phy_id,
+					E100_PHY_REGS - 1 - i);
 	memset(nic->mem->dump_buf, 0, sizeof(nic->mem->dump_buf));
 	e100_exec_cb(nic, NULL, e100_dump);
 	msleep(10);
-	memcpy(&buff[2 + E100_PHY_REGS], nic->mem->dump_buf,
-		sizeof(nic->mem->dump_buf));
+	memcpy(&buff[1 + E100_PHY_REGS], nic->mem->dump_buf,
+	       sizeof(nic->mem->dump_buf));
 }
 
 static void e100_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
@@ -2597,7 +2601,7 @@
 {
 	struct ethtool_cmd cmd;
 	struct nic *nic = netdev_priv(netdev);
-	int i, err;
+	int i;
 
 	memset(data, 0, E100_TEST_LEN * sizeof(u64));
 	data[0] = !mii_link_ok(&nic->mii);
@@ -2605,7 +2609,7 @@
 	if (test->flags & ETH_TEST_FL_OFFLINE) {
 
 		/* save speed, duplex & autoneg settings */
-		err = mii_ethtool_gset(&nic->mii, &cmd);
+		mii_ethtool_gset(&nic->mii, &cmd);
 
 		if (netif_running(netdev))
 			e100_down(nic);
@@ -2614,7 +2618,7 @@
 		data[4] = e100_loopback_test(nic, lb_phy);
 
 		/* restore speed, duplex & autoneg settings */
-		err = mii_ethtool_sset(&nic->mii, &cmd);
+		mii_ethtool_sset(&nic->mii, &cmd);
 
 		if (netif_running(netdev))
 			e100_up(nic);
@@ -2993,11 +2997,10 @@
 	struct net_device *netdev = pci_get_drvdata(pdev);
 	struct nic *nic = netdev_priv(netdev);
 
-	if (netif_running(netdev))
-		e100_down(nic);
 	netif_device_detach(netdev);
 
-	pci_save_state(pdev);
+	if (netif_running(netdev))
+		e100_down(nic);
 
 	if ((nic->flags & wol_magic) | e100_asf(nic)) {
 		/* enable reverse auto-negotiation */
@@ -3014,7 +3017,7 @@
 		*enable_wake = false;
 	}
 
-	pci_clear_master(pdev);
+	pci_disable_device(pdev);
 }
 
 static int __e100_power_off(struct pci_dev *pdev, bool wake)
@@ -3028,23 +3031,27 @@
 	return 0;
 }
 
-#ifdef CONFIG_PM
-static int e100_suspend(struct pci_dev *pdev, pm_message_t state)
+static int __maybe_unused e100_suspend(struct device *dev_d)
 {
 	bool wake;
-	__e100_shutdown(pdev, &wake);
-	return __e100_power_off(pdev, wake);
+
+	__e100_shutdown(to_pci_dev(dev_d), &wake);
+
+	return 0;
 }
 
-static int e100_resume(struct pci_dev *pdev)
+static int __maybe_unused e100_resume(struct device *dev_d)
 {
-	struct net_device *netdev = pci_get_drvdata(pdev);
+	struct net_device *netdev = dev_get_drvdata(dev_d);
 	struct nic *nic = netdev_priv(netdev);
+	int err;
 
-	pci_set_power_state(pdev, PCI_D0);
-	pci_restore_state(pdev);
-	/* ack any pending wake events, disable PME */
-	pci_enable_wake(pdev, PCI_D0, 0);
+	err = pci_enable_device(to_pci_dev(dev_d));
+	if (err) {
+		netdev_err(netdev, "Resume cannot enable PCI device, aborting\n");
+		return err;
+	}
+	pci_set_master(to_pci_dev(dev_d));
 
 	/* disable reverse auto-negotiation */
 	if (nic->phy == phy_82552_v) {
@@ -3056,13 +3063,13 @@
 		           smartspeed & ~(E100_82552_REV_ANEG));
 	}
 
-	netif_device_attach(netdev);
 	if (netif_running(netdev))
 		e100_up(nic);
 
+	netif_device_attach(netdev);
+
 	return 0;
 }
-#endif /* CONFIG_PM */
 
 static void e100_shutdown(struct pci_dev *pdev)
 {
@@ -3150,16 +3157,17 @@
 	.resume = e100_io_resume,
 };
 
+static SIMPLE_DEV_PM_OPS(e100_pm_ops, e100_suspend, e100_resume);
+
 static struct pci_driver e100_driver = {
 	.name =         DRV_NAME,
 	.id_table =     e100_id_table,
 	.probe =        e100_probe,
 	.remove =       e100_remove,
-#ifdef CONFIG_PM
+
 	/* Power Management hooks */
-	.suspend =      e100_suspend,
-	.resume =       e100_resume,
-#endif
+	.driver.pm =	&e100_pm_ops,
+
 	.shutdown =     e100_shutdown,
 	.err_handler = &e100_err_handler,
 };
@@ -3167,7 +3175,7 @@
 static int __init e100_init_module(void)
 {
 	if (((1 << debug) - 1) & NETIF_MSG_DRV) {
-		pr_info("%s, %s\n", DRV_DESCRIPTION, DRV_VERSION);
+		pr_info("%s\n", DRV_DESCRIPTION);
 		pr_info("%s\n", DRV_COPYRIGHT);
 	}
 	return pci_register_driver(&e100_driver);