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author | Olof Johansson <olof@lixom.net> | 2012-11-06 07:51:06 -0800 |
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committer | Olof Johansson <olof@lixom.net> | 2012-11-06 07:51:06 -0800 |
commit | 66267ee58732bb4c21c7bbba004ee481b8ad2b30 (patch) | |
tree | bf7f72e623d7c1ca6472e0a1286e802cd3bff139 /drivers/usb/serial/whiteheat.c | |
parent | 6ed68a6d83e4497dc33581ccc82b4fa3e7e8226d (diff) | |
parent | f58007762f537ba13674a3138b3f4c20fff1cba9 (diff) | |
download | linux-stable-66267ee58732bb4c21c7bbba004ee481b8ad2b30.tar.gz linux-stable-66267ee58732bb4c21c7bbba004ee481b8ad2b30.tar.bz2 linux-stable-66267ee58732bb4c21c7bbba004ee481b8ad2b30.zip |
Merge branch 'arm-next' of git://git.xilinx.com/linux-xlnx into next/cleanup
From Michal Simek:
* 'arm-next' of git://git.xilinx.com/linux-xlnx:
zynq: move static peripheral mappings
zynq: remove use of CLKDEV_LOOKUP
zynq: use pl310 device tree bindings
zynq: use GIC device tree bindings
+ Linux 3.7-rc3
Diffstat (limited to 'drivers/usb/serial/whiteheat.c')
-rw-r--r-- | drivers/usb/serial/whiteheat.c | 60 |
1 files changed, 27 insertions, 33 deletions
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index 346c7efc20b0..b9fca3586d74 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -83,6 +83,8 @@ static int whiteheat_firmware_attach(struct usb_serial *serial); /* function prototypes for the Connect Tech WhiteHEAT serial converter */ static int whiteheat_attach(struct usb_serial *serial); static void whiteheat_release(struct usb_serial *serial); +static int whiteheat_port_probe(struct usb_serial_port *port); +static int whiteheat_port_remove(struct usb_serial_port *port); static int whiteheat_open(struct tty_struct *tty, struct usb_serial_port *port); static void whiteheat_close(struct usb_serial_port *port); @@ -117,6 +119,8 @@ static struct usb_serial_driver whiteheat_device = { .num_ports = 4, .attach = whiteheat_attach, .release = whiteheat_release, + .port_probe = whiteheat_port_probe, + .port_remove = whiteheat_port_remove, .open = whiteheat_open, .close = whiteheat_close, .ioctl = whiteheat_ioctl, @@ -218,15 +222,12 @@ static int whiteheat_attach(struct usb_serial *serial) { struct usb_serial_port *command_port; struct whiteheat_command_private *command_info; - struct usb_serial_port *port; - struct whiteheat_private *info; struct whiteheat_hw_info *hw_info; int pipe; int ret; int alen; __u8 *command; __u8 *result; - int i; command_port = serial->port[COMMAND_PORT]; @@ -285,22 +286,6 @@ static int whiteheat_attach(struct usb_serial *serial) serial->type->description, hw_info->sw_major_rev, hw_info->sw_minor_rev); - for (i = 0; i < serial->num_ports; i++) { - port = serial->port[i]; - - info = kmalloc(sizeof(struct whiteheat_private), GFP_KERNEL); - if (info == NULL) { - dev_err(&port->dev, - "%s: Out of memory for port structures\n", - serial->type->description); - goto no_private; - } - - info->mcr = 0; - - usb_set_serial_port_data(port, info); - } - command_info = kmalloc(sizeof(struct whiteheat_command_private), GFP_KERNEL); if (command_info == NULL) { @@ -333,16 +318,10 @@ no_firmware: "%s: please contact support@connecttech.com\n", serial->type->description); kfree(result); + kfree(command); return -ENODEV; no_command_private: - for (i = serial->num_ports - 1; i >= 0; i--) { - port = serial->port[i]; - info = usb_get_serial_port_data(port); - kfree(info); -no_private: - ; - } kfree(result); no_result_buffer: kfree(command); @@ -350,21 +329,36 @@ no_command_buffer: return -ENOMEM; } - static void whiteheat_release(struct usb_serial *serial) { struct usb_serial_port *command_port; - struct whiteheat_private *info; - int i; /* free up our private data for our command port */ command_port = serial->port[COMMAND_PORT]; kfree(usb_get_serial_port_data(command_port)); +} - for (i = 0; i < serial->num_ports; i++) { - info = usb_get_serial_port_data(serial->port[i]); - kfree(info); - } +static int whiteheat_port_probe(struct usb_serial_port *port) +{ + struct whiteheat_private *info; + + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) + return -ENOMEM; + + usb_set_serial_port_data(port, info); + + return 0; +} + +static int whiteheat_port_remove(struct usb_serial_port *port) +{ + struct whiteheat_private *info; + + info = usb_get_serial_port_data(port); + kfree(info); + + return 0; } static int whiteheat_open(struct tty_struct *tty, struct usb_serial_port *port) |