diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-06-07 12:22:15 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-06-07 12:22:15 +0200 |
commit | 5f4457a4f62cc9d78e04c0eb12ff0540899aad89 (patch) | |
tree | 0b973d527ea6b2ae31e08da0746b4965a3c5a6d8 /drivers/usb/serial/sierra.c | |
parent | 9b94b3a19b13e094c10f65f24bc358f6ffe4eacd (diff) | |
parent | b87297fb405ef13cac375f202d114323b076a56d (diff) |
Merge branch 'linus' into x86/cpu
Diffstat (limited to 'drivers/usb/serial/sierra.c')
-rw-r--r-- | drivers/usb/serial/sierra.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index d9bf9a5c20e..913225c6161 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -14,7 +14,7 @@ Whom based his on the Keyspan driver by Hugh Blemings <hugh@blemings.org> */ -#define DRIVER_VERSION "v.1.3.2" +#define DRIVER_VERSION "v.1.3.3" #define DRIVER_AUTHOR "Kevin Lloyd <klloyd@sierrawireless.com>" #define DRIVER_DESC "USB Driver for Sierra Wireless USB modems" @@ -259,9 +259,21 @@ static int sierra_send_setup(struct tty_struct *tty, val |= 0x02; /* If composite device then properly report interface */ - if (serial->num_ports == 1) + if (serial->num_ports == 1) { interface = sierra_calc_interface(serial); + /* Control message is sent only to interfaces with + * interrupt_in endpoints + */ + if (port->interrupt_in_urb) { + /* send control message */ + return usb_control_msg(serial->dev, + usb_rcvctrlpipe(serial->dev, 0), + 0x22, 0x21, val, interface, + NULL, 0, USB_CTRL_SET_TIMEOUT); + } + } + /* Otherwise the need to do non-composite mapping */ else { if (port->bulk_out_endpointAddress == 2) @@ -270,12 +282,13 @@ static int sierra_send_setup(struct tty_struct *tty, interface = 1; else if (port->bulk_out_endpointAddress == 5) interface = 2; - } - return usb_control_msg(serial->dev, + return usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 0x22, 0x21, val, interface, NULL, 0, USB_CTRL_SET_TIMEOUT); + + } } return 0; @@ -585,9 +598,6 @@ static int sierra_open(struct tty_struct *tty, } } - if (tty) - tty->low_latency = 1; - sierra_send_setup(tty, port); /* start up the interrupt endpoint if we have one */ |