diff options
| author | Francesco Lavra <francescolavra@interfree.it> | 2009-12-08 09:54:11 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-02 23:53:07 +0100 |
| commit | a91b0c502285fd0c569fae1222fdd945ef739233 (patch) | |
| tree | b8aa93dca7ff9f2c7a7764cd6c9820e1570ed8d7 /drivers/usb | |
| parent | USB: serial mct_usb232: move DMA buffers to heap (diff) | |
| download | linux-a91b0c502285fd0c569fae1222fdd945ef739233.tar.xz linux-a91b0c502285fd0c569fae1222fdd945ef739233.zip | |
cdc_acm: add reset_resume method
Add reset resume logic to the cdc acm driver
Signed-off-by: Francesco Lavra <francescolavra@interfree.it>
Acked-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 34d4eb98829e..ef2e6f9c8906 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1460,6 +1460,23 @@ err_out: return rv; } +static int acm_reset_resume(struct usb_interface *intf) +{ + struct acm *acm = usb_get_intfdata(intf); + struct tty_struct *tty; + + mutex_lock(&acm->mutex); + if (acm->port.count) { + tty = tty_port_tty_get(&acm->port); + if (tty) { + tty_hangup(tty); + tty_kref_put(tty); + } + } + mutex_unlock(&acm->mutex); + return acm_resume(intf); +} + #endif /* CONFIG_PM */ #define NOKIA_PCSUITE_ACM_INFO(x) \ @@ -1602,6 +1619,7 @@ static struct usb_driver acm_driver = { #ifdef CONFIG_PM .suspend = acm_suspend, .resume = acm_resume, + .reset_resume = acm_reset_resume, #endif .id_table = acm_ids, #ifdef CONFIG_PM |