diff options
| -rw-r--r-- | drivers/tty/n_gsm.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 7fee5a580f21..82e3d88c1f3f 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -173,6 +173,20 @@ struct gsm_control { int error; /* Error if any */ }; +enum gsm_mux_state { + GSM_SEARCH, + GSM_START, + GSM_ADDRESS, + GSM_CONTROL, + GSM_LEN, + GSM_DATA, + GSM_FCS, + GSM_OVERRUN, + GSM_LEN0, + GSM_LEN1, + GSM_SSOF, +}; + /* * Each GSM mux we have is represented by this structure. If we are * operating as an ldisc then we use this structure as our ldisc @@ -197,18 +211,7 @@ struct gsm_mux { /* Framing Layer */ unsigned char *buf; - int state; -#define GSM_SEARCH 0 -#define GSM_START 1 -#define GSM_ADDRESS 2 -#define GSM_CONTROL 3 -#define GSM_LEN 4 -#define GSM_DATA 5 -#define GSM_FCS 6 -#define GSM_OVERRUN 7 -#define GSM_LEN0 8 -#define GSM_LEN1 9 -#define GSM_SSOF 10 + enum gsm_mux_state state; unsigned int len; unsigned int address; unsigned int count; @@ -1934,6 +1937,9 @@ static void gsm0_receive(struct gsm_mux *gsm, unsigned char c) break; } break; + default: + pr_debug("%s: unhandled state: %d\n", __func__, gsm->state); + break; } } @@ -2008,6 +2014,9 @@ static void gsm1_receive(struct gsm_mux *gsm, unsigned char c) break; case GSM_OVERRUN: /* Over-long - eg a dropped SOF */ break; + default: + pr_debug("%s: unhandled state: %d\n", __func__, gsm->state); + break; } } |