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r8169: don't use pci_irq_vector() in atomic context
authorThomas Gleixner <tglx@linutronix.de>
Tue, 28 Dec 2021 21:02:30 +0000 (22:02 +0100)
committerJakub Kicinski <kuba@kernel.org>
Tue, 28 Dec 2021 23:59:05 +0000 (15:59 -0800)
Since referenced change pci_irq_vector() can't be used in atomic
context any longer. This conflicts with our usage of this function
in rtl8169_netpoll(). Therefore store the interrupt number in
struct rtl8169_private.

Fixes: 495c66aca3da ("genirq/msi: Convert to new functions")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/3cd24763-f307-78f5-76ed-a5fbf315fb28@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/ethernet/realtek/r8169_main.c

index 3d68433..7161a5b 100644 (file)
@@ -615,6 +615,7 @@ struct rtl8169_private {
        struct ring_info tx_skb[NUM_TX_DESC];   /* Tx data buffers */
        u16 cp_cmd;
        u32 irq_mask;
+       int irq;
        struct clk *clk;
 
        struct {
@@ -4712,7 +4713,7 @@ static int rtl8169_close(struct net_device *dev)
 
        cancel_work_sync(&tp->wk.work);
 
-       free_irq(pci_irq_vector(pdev, 0), tp);
+       free_irq(tp->irq, tp);
 
        phy_disconnect(tp->phydev);
 
@@ -4733,7 +4734,7 @@ static void rtl8169_netpoll(struct net_device *dev)
 {
        struct rtl8169_private *tp = netdev_priv(dev);
 
-       rtl8169_interrupt(pci_irq_vector(tp->pci_dev, 0), tp);
+       rtl8169_interrupt(tp->irq, tp);
 }
 #endif
 
@@ -4767,8 +4768,7 @@ static int rtl_open(struct net_device *dev)
        rtl_request_firmware(tp);
 
        irqflags = pci_dev_msi_enabled(pdev) ? IRQF_NO_THREAD : IRQF_SHARED;
-       retval = request_irq(pci_irq_vector(pdev, 0), rtl8169_interrupt,
-                            irqflags, dev->name, tp);
+       retval = request_irq(tp->irq, rtl8169_interrupt, irqflags, dev->name, tp);
        if (retval < 0)
                goto err_release_fw_2;
 
@@ -4785,7 +4785,7 @@ out:
        return retval;
 
 err_free_irq:
-       free_irq(pci_irq_vector(pdev, 0), tp);
+       free_irq(tp->irq, tp);
 err_release_fw_2:
        rtl_release_firmware(tp);
        rtl8169_rx_clear(tp);
@@ -5360,6 +5360,7 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
                dev_err(&pdev->dev, "Can't allocate interrupt\n");
                return rc;
        }
+       tp->irq = pci_irq_vector(pdev, 0);
 
        INIT_WORK(&tp->wk.work, rtl_task);
 
@@ -5435,8 +5436,7 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
                return rc;
 
        netdev_info(dev, "%s, %pM, XID %03x, IRQ %d\n",
-                   rtl_chip_infos[chipset].name, dev->dev_addr, xid,
-                   pci_irq_vector(pdev, 0));
+                   rtl_chip_infos[chipset].name, dev->dev_addr, xid, tp->irq);
 
        if (jumbo_max)
                netdev_info(dev, "jumbo features [frames: %d bytes, tx checksumming: %s]\n",