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| author |   Ingo Molnar <mingo@elte.hu> | 2009-05-11 14:44:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-11 14:44:31 +0200 |
| commit | 41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51 (patch) | |
| tree | 51c50bcb67a5039448ddfa1869d7948cab1217e9 /drivers/usb/serial/sierra.c | |
| parent | x86 gart: reimplement IOMMU_LEAK feature by using DMA_API_DEBUG (diff) | |
| parent | Linux 2.6.30-rc5 (diff) | |
| download | linux-dev-41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51.tar.xz linux-dev-41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51.zip | |
Merge commit 'v2.6.30-rc5' into core/iommu
Merge reason: core/iommu was on an .30-rc1 base,
update it to .30-rc5 to refresh.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 d9bf9a5c20ec..913225c61610 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 */ |