serial: 8250_pci: Remove empty stub pci_quatech_exit()

The ->exit() callback is checked for presence anyway,
no need to have an empty stub.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211026133452.61657-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 1c2eb44..5d43de1 100644 (file)
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1298,10 +1298,6 @@ static int pci_quatech_setup(struct serial_private *priv,
        return pci_default_setup(priv, board, port, idx);
 }
 
-static void pci_quatech_exit(struct pci_dev *dev)
-{
-}
-
 static int pci_default_setup(struct serial_private *priv,
                  const struct pciserial_board *board,
                  struct uart_8250_port *port, int idx)
@@ -2176,7 +2172,6 @@ static struct pci_serial_quirk pci_serial_quirks[] = {
                .subdevice      = PCI_ANY_ID,
                .init           = pci_quatech_init,
                .setup          = pci_quatech_setup,
-               .exit           = pci_quatech_exit,
        },
        /*
         * Panacom