From e4d127ddc83c5fbd93b9c8e2e4fe63b820ac28b6 Mon Sep 17 00:00:00 2001 From: David Bauer Date: Sat, 22 May 2021 10:37:06 +0200 Subject: [PATCH] common.c: fix kernel 5.10 builds with CONFIG_PM enabled Building the xr_usb_serial module fails for Kenel 5.10 with CONFIG_PM enabled: xr_usb_serial_common.c:1574:15: error: 'ASYNCB_INITIALIZED' undeclared (first use in this function); did you mean 'RCU_INITIALIZER'? Use tty_port_initialized in order to determine the status of the TTY port. This is compatible with Kernel 5.10 and at least Kernel 5.4. Signed-off-by: David Bauer --- xr_usb_serial_common-1a/xr_usb_serial_common.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/xr_usb_serial_common-1a/xr_usb_serial_common.c +++ b/xr_usb_serial_common-1a/xr_usb_serial_common.c @@ -1571,7 +1571,7 @@ static int xr_usb_serial_suspend(struct if (cnt) return 0; - if (test_bit(ASYNCB_INITIALIZED, &xr_usb_serial->port.flags)) + if (tty_port_initialized(&xr_usb_serial->port)) stop_data_traffic(xr_usb_serial); return 0; @@ -1592,7 +1592,7 @@ static int xr_usb_serial_resume(struct u if (cnt) return 0; - if (test_bit(ASYNCB_INITIALIZED, &xr_usb_serial->port.flags)) { + if (tty_port_initialized(&xr_usb_serial->port)) { rv = usb_submit_urb(xr_usb_serial->ctrlurb, GFP_NOIO); spin_lock_irq(&xr_usb_serial->write_lock); @@ -1623,7 +1623,7 @@ static int xr_usb_serial_reset_resume(st { struct xr_usb_serial *xr_usb_serial = usb_get_intfdata(intf); struct tty_struct *tty; - if (test_bit(ASYNCB_INITIALIZED, &xr_usb_serial->port.flags)){ + if (tty_port_initialized(&xr_usb_serial->port)){ #if LINUX_VERSION_CODE > KERNEL_VERSION(3, 9, 0) tty_port_tty_hangup(&xr_usb_serial->port, false); #else