diff options
Diffstat (limited to 'drivers/isdn/gigaset/gigaset.h')
| -rw-r--r-- | drivers/isdn/gigaset/gigaset.h | 42 |
1 files changed, 2 insertions, 40 deletions
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h index 7acae34e66e..446a078224a 100644 --- a/drivers/isdn/gigaset/gigaset.h +++ b/drivers/isdn/gigaset/gigaset.h @@ -902,47 +902,9 @@ static inline void gigaset_rcv_error(struct sk_buff *procskb, /* bitwise byte inversion table */ extern __u8 gigaset_invtab[]; /* in common.c */ - /* append received bytes to inbuf */ -static inline int gigaset_fill_inbuf(struct inbuf_t *inbuf, - const unsigned char *src, - unsigned numbytes) -{ - unsigned n, head, tail, bytesleft; - - gig_dbg(DEBUG_INTR, "received %u bytes", numbytes); - - if (!numbytes) - return 0; - - bytesleft = numbytes; - tail = atomic_read(&inbuf->tail); - head = atomic_read(&inbuf->head); - gig_dbg(DEBUG_INTR, "buffer state: %u -> %u", head, tail); - - while (bytesleft) { - if (head > tail) - n = head - 1 - tail; - else if (head == 0) - n = (RBUFSIZE-1) - tail; - else - n = RBUFSIZE - tail; - if (!n) { - dev_err(inbuf->cs->dev, - "buffer overflow (%u bytes lost)", bytesleft); - break; - } - if (n > bytesleft) - n = bytesleft; - memcpy(inbuf->data + tail, src, n); - bytesleft -= n; - tail = (tail + n) % RBUFSIZE; - src += n; - } - gig_dbg(DEBUG_INTR, "setting tail to %u", tail); - atomic_set(&inbuf->tail, tail); - return numbytes != bytesleft; -} +int gigaset_fill_inbuf(struct inbuf_t *inbuf, const unsigned char *src, + unsigned numbytes); /* =========================================================================== * Functions implemented in interface.c |