n_gsm: introduce enum gsm_mux_state (329aa6e6) · Commits · 戴 / test

drivers/tty/n_gsm.c

+21 −12

Original line number	Diff line number	Diff line
		@@ -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;
		}
		}