openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

USB: serial: f81534: clean up calc_num_ports 

Clean up calc_num_ports with respect to handling older chips that lack
config data.

Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold 2017-03-16 17:13:57 +01:00
parent d69f138747
commit 5e07240a12
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/usb/serial/f81534.c
View File

@ -681,12 +681,13 @@ static int f81534_calc_num_ports(struct usb_serial *serial,
++num_port; ++num_port;
} }
if (num_port) if (!num_port) {
return num_port; dev_warn(&serial->interface->dev,
"no config found, assuming 4 ports\n");
num_port = 4; /* Nothing found, oldest version IC */
}
dev_warn(&serial->interface->dev, "%s: Read Failed. default 4 ports\n", return num_port;
__func__);
return 4; /* Nothing found, oldest version IC */
} }
static void f81534_set_termios(struct tty_struct *tty, static void f81534_set_termios(struct tty_struct *tty,