diff options
| author | David S. Miller <davem@davemloft.net> | 2009-10-06 22:43:16 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-06 22:43:16 -0700 |
| commit | 7ecc59c1b7fd5749667fc31f8683099cbef38977 (patch) | |
| tree | 560d8ce48fac50758d1af6d722bc0bb0c7de2a34 /drivers/isdn/gigaset/asyncdata.c | |
| parent | bcdce7195e0eab55b37dbd53be53057f38006380 (diff) | |
| parent | 1cec9727fbfd7baff2034796154be1a0297bcedd (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'drivers/isdn/gigaset/asyncdata.c')
| -rw-r--r-- | drivers/isdn/gigaset/asyncdata.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/isdn/gigaset/asyncdata.c b/drivers/isdn/gigaset/asyncdata.c index 234cc5d5331..44a58e6f8f6 100644 --- a/drivers/isdn/gigaset/asyncdata.c +++ b/drivers/isdn/gigaset/asyncdata.c @@ -334,7 +334,14 @@ static inline int iraw_loop(unsigned char c, unsigned char *src, int numbytes, return startbytes - numbytes; } -/* process a block of data received from the device +/** + * gigaset_m10x_input() - process a block of data received from the device + * @inbuf: received data and device descriptor structure. + * + * Called by hardware module {ser,usb}_gigaset with a block of received + * bytes. Separates the bytes received over the serial data channel into + * user data and command replies (locked/unlocked) according to the + * current state of the interface. */ void gigaset_m10x_input(struct inbuf_t *inbuf) { @@ -543,16 +550,17 @@ static struct sk_buff *iraw_encode(struct sk_buff *skb, int head, int tail) return iraw_skb; } -/* gigaset_send_skb - * called by common.c to queue an skb for sending - * and start transmission if necessary - * parameters: - * B Channel control structure - * skb +/** + * gigaset_m10x_send_skb() - queue an skb for sending + * @bcs: B channel descriptor structure. + * @skb: data to send. + * + * Called by i4l.c to encode and queue an skb for sending, and start + * transmission if necessary. + * * Return value: - * number of bytes accepted for sending - * (skb->len if ok, 0 if out of buffer space) - * or error code (< 0, eg. -EINVAL) + * number of bytes accepted for sending (skb->len) if ok, + * error code < 0 (eg. -ENOMEM) on error */ int gigaset_m10x_send_skb(struct bc_state *bcs, struct sk_buff *skb) { |