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authorJohan Hovold <johan@kernel.org>2017-03-16 17:13:57 +0100
committerJohan Hovold <johan@kernel.org>2017-03-28 11:14:13 +0200
commit5e07240a12101af8481a90283da766905caf35f8 (patch)
tree7623060ec682beac7cdcf8913b3f497aedddc514 /drivers/usb/serial
parentd69f138747b92856cad63437f859f27da9d8ea70 (diff)
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>
Diffstat (limited to 'drivers/usb/serial')
-rw-r--r--drivers/usb/serial/f81534.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/usb/serial/f81534.c b/drivers/usb/serial/f81534.c
index be106f4e3e57..365e3acd6c6c 100644
--- a/drivers/usb/serial/f81534.c
+++ b/drivers/usb/serial/f81534.c
@@ -681,12 +681,13 @@ static int f81534_calc_num_ports(struct usb_serial *serial,
++num_port;
}
- if (num_port)
- return num_port;
+ if (!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",
- __func__);
- return 4; /* Nothing found, oldest version IC */
+ return num_port;
}
static void f81534_set_termios(struct tty_struct *tty,