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PCI/VGA: Remove empty vga_arb_device_card_gone()

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vga_arb_device_card_gone() has always been empty.  Remove it.

Link: https://lore.kernel.org/r/20220224224753.297579-9-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas 2022-02-24 16:47:50 -06:00
parent 37114e4d15
commit dc593fd48a
1 changed files with 1 additions and 15 deletions
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16
drivers/pci/vgaarb.c
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@ -123,8 +123,6 @@ both:
/* this is only used a cookie - it should not be dereferenced */
static struct pci_dev *vga_default;
static void vga_arb_device_card_gone(struct pci_dev *pdev);
/* Find somebody in our list */
static struct vga_device *vgadev_find(struct pci_dev *pdev)
{
@ -878,10 +876,6 @@ static bool vga_arbiter_del_pci_device(struct pci_dev *pdev)
/* Remove entry from list */
list_del(&vgadev->list);
vga_count--;
/* Notify userland driver that the device is gone so it discards
* it's copies of the pci_dev pointer
*/
vga_arb_device_card_gone(pdev);
/* Wake up all possible waiters */
wake_up_all(&vga_wait_queue);
@ -1131,9 +1125,7 @@ static ssize_t vga_arb_read(struct file *file, char __user *buf,
if (lbuf == NULL)
return -ENOMEM;
/* Shields against vga_arb_device_card_gone (pci_dev going
* away), and allows access to vga list
*/
/* Protects vga_list */
spin_lock_irqsave(&vga_lock, flags);
/* If we are targeting the default, use it */
@ -1150,8 +1142,6 @@ static ssize_t vga_arb_read(struct file *file, char __user *buf,
/* Wow, it's not in the list, that shouldn't happen,
* let's fix us up and return invalid card
*/
if (pdev == priv->target)
vga_arb_device_card_gone(pdev);
spin_unlock_irqrestore(&vga_lock, flags);
len = sprintf(lbuf, "invalid");
goto done;
@ -1495,10 +1485,6 @@ static int vga_arb_release(struct inode *inode, struct file *file)
return 0;
}
static void vga_arb_device_card_gone(struct pci_dev *pdev)
{
}
/*
* callback any registered clients to let them know we have a
* change in VGA cards