From: Bjorn Helgaas bhelgaas@google.com
vga_arb_device_card_gone() has always been empty. Remove it.
Signed-off-by: Bjorn Helgaas bhelgaas@google.com Signed-off-by: Huacai Chen chenhuacai@loongson.cn --- drivers/gpu/vga/vgaarb.c | 16 +--------------- 1 file changed, 1 insertion(+), 15 deletions(-)
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c index 05174fd7e7ef..7cd989c5d03b 100644 --- a/drivers/gpu/vga/vgaarb.c +++ b/drivers/gpu/vga/vgaarb.c @@ -122,8 +122,6 @@ static int vga_str_to_iostate(char *buf, int str_size, int *io_state) /* 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) { @@ -825,10 +823,6 @@ 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); @@ -1078,9 +1072,7 @@ 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 */ @@ -1097,8 +1089,6 @@ 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; @@ -1442,10 +1432,6 @@ 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