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author | Olof Johansson <olof@lixom.net> | 2015-04-03 13:20:42 -0700 |
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committer | Olof Johansson <olof@lixom.net> | 2015-04-03 13:20:42 -0700 |
commit | 5602d12a861340e9ed2c17cdefc500fa12b52446 (patch) | |
tree | 2d2776ce7d159a3381b54034e51d36eb7007e50e /drivers/usb/serial/usb-serial.c | |
parent | 0a47acfa16a5043f5fad562abb8e3e4b53367a43 (diff) | |
parent | 27842bb18b004a2802f4b3221c79ce638c4bf6ee (diff) | |
download | linux-5602d12a861340e9ed2c17cdefc500fa12b52446.tar.gz linux-5602d12a861340e9ed2c17cdefc500fa12b52446.tar.bz2 linux-5602d12a861340e9ed2c17cdefc500fa12b52446.zip |
Merge tag 'qcom-cleanup-for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom into next/cleanup
Merge "qcom cleanup changes for 4.1" from Kumar Gala:
General cleanups for MSM/QCOM for 4.1
* Removal of mach-msm and associated drivers cleanups that have been
ack'd by associated maintainers
* tag 'qcom-cleanup-for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom:
mmc: Remove msm_sdcc driver
gpio: Remove gpio-msm-v1 driver
ARM: Remove mach-msm and associated ARM architecture code
+ Linux 4.0-rc3
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
-rw-r--r-- | drivers/usb/serial/usb-serial.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 475723c006f9..529066bbc7e8 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -687,6 +687,21 @@ static void serial_port_dtr_rts(struct tty_port *port, int on) drv->dtr_rts(p, on); } +static ssize_t port_number_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct usb_serial_port *port = to_usb_serial_port(dev); + + return sprintf(buf, "%u\n", port->port_number); +} +static DEVICE_ATTR_RO(port_number); + +static struct attribute *usb_serial_port_attrs[] = { + &dev_attr_port_number.attr, + NULL +}; +ATTRIBUTE_GROUPS(usb_serial_port); + static const struct tty_port_operations serial_port_ops = { .carrier_raised = serial_port_carrier_raised, .dtr_rts = serial_port_dtr_rts, @@ -902,6 +917,7 @@ static int usb_serial_probe(struct usb_interface *interface, port->dev.driver = NULL; port->dev.bus = &usb_serial_bus_type; port->dev.release = &usb_serial_port_release; + port->dev.groups = usb_serial_port_groups; device_initialize(&port->dev); } @@ -940,8 +956,9 @@ static int usb_serial_probe(struct usb_interface *interface, port = serial->port[i]; if (kfifo_alloc(&port->write_fifo, PAGE_SIZE, GFP_KERNEL)) goto probe_error; - buffer_size = max_t(int, serial->type->bulk_out_size, - usb_endpoint_maxp(endpoint)); + buffer_size = serial->type->bulk_out_size; + if (!buffer_size) + buffer_size = usb_endpoint_maxp(endpoint); port->bulk_out_size = buffer_size; port->bulk_out_endpointAddress = endpoint->bEndpointAddress; |