Casting spi_driver pointers to "void *" when calling
spi_{,un}register_driver() bypasses all type checking.
Remove the superfluous casts to fix this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
        /* unregister */
        tty_unregister_driver(tty_drv);
        put_tty_driver(tty_drv);
-       spi_unregister_driver((void *)&ifx_spi_driver);
+       spi_unregister_driver(&ifx_spi_driver);
        unregister_reboot_notifier(&ifx_modem_reboot_notifier_block);
 }
 
                goto err_free_tty;
        }
 
-       result = spi_register_driver((void *)&ifx_spi_driver);
+       result = spi_register_driver(&ifx_spi_driver);
        if (result) {
                pr_err("%s: spi_register_driver failed(%d)",
                        DRVNAME, result);
 
        return 0;
 err_unreg_spi:
-       spi_unregister_driver((void *)&ifx_spi_driver);
+       spi_unregister_driver(&ifx_spi_driver);
 err_unreg_tty:
        tty_unregister_driver(tty_drv);
 err_free_tty: