/********************************************************************* * * Filename: ircomm_param.h * Version: 1.0 * Description: Parameter handling for the IrCOMM protocol * Status: Experimental. * Author: Dag Brattli * Created at: Mon Jun 7 08:47:28 1999 * Modified at: Wed Aug 25 13:46:33 1999 * Modified by: Dag Brattli * * Copyright (c) 1999 Dag Brattli, All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . * ********************************************************************/ #ifndef IRCOMM_PARAMS_H #define IRCOMM_PARAMS_H #include /* Parameters common to all service types */ #define IRCOMM_SERVICE_TYPE 0x00 #define IRCOMM_PORT_TYPE 0x01 /* Only used in LM-IAS */ #define IRCOMM_PORT_NAME 0x02 /* Only used in LM-IAS */ /* Parameters for both 3 wire and 9 wire */ #define IRCOMM_DATA_RATE 0x10 #define IRCOMM_DATA_FORMAT 0x11 #define IRCOMM_FLOW_CONTROL 0x12 #define IRCOMM_XON_XOFF 0x13 #define IRCOMM_ENQ_ACK 0x14 #define IRCOMM_LINE_STATUS 0x15 #define IRCOMM_BREAK 0x16 /* Parameters for 9 wire */ #define IRCOMM_DTE 0x20 #define IRCOMM_DCE 0x21 #define IRCOMM_POLL 0x22 /* Service type (details) */ #define IRCOMM_3_WIRE_RAW 0x01 #define IRCOMM_3_WIRE 0x02 #define IRCOMM_9_WIRE 0x04 #define IRCOMM_CENTRONICS 0x08 /* Port type (details) */ #define IRCOMM_SERIAL 0x00 #define IRCOMM_PARALLEL 0x01 /* Data format (details) */ #define IRCOMM_WSIZE_5 0x00 #define IRCOMM_WSIZE_6 0x01 #define IRCOMM_WSIZE_7 0x02 #define IRCOMM_WSIZE_8 0x03 #define IRCOMM_1_STOP_BIT 0x00 #define IRCOMM_2_STOP_BIT 0x04 /* 1.5 if char len 5 */ #define IRCOMM_PARITY_DISABLE 0x00 #define IRCOMM_PARITY_ENABLE 0x08 #define IRCOMM_PARITY_ODD 0x00 #define IRCOMM_PARITY_EVEN 0x10 #define IRCOMM_PARITY_MARK 0x20 #define IRCOMM_PARITY_SPACE 0x30 /* Flow control */ #define IRCOMM_XON_XOFF_IN 0x01 #define IRCOMM_XON_XOFF_OUT 0x02 #define IRCOMM_RTS_CTS_IN 0x04 #define IRCOMM_RTS_CTS_OUT 0x08 #define IRCOMM_DSR_DTR_IN 0x10 #define IRCOMM_DSR_DTR_OUT 0x20 #define IRCOMM_ENQ_ACK_IN 0x40 #define IRCOMM_ENQ_ACK_OUT 0x80 /* Line status */ #define IRCOMM_OVERRUN_ERROR 0x02 #define IRCOMM_PARITY_ERROR 0x04 #define IRCOMM_FRAMING_ERROR 0x08 /* DTE (Data terminal equipment) line settings */ #define IRCOMM_DELTA_DTR 0x01 #define IRCOMM_DELTA_RTS 0x02 #define IRCOMM_DTR 0x04 #define IRCOMM_RTS 0x08 /* DCE (Data communications equipment) line settings */ #define IRCOMM_DELTA_CTS 0x01 /* Clear to send has changed */ #define IRCOMM_DELTA_DSR 0x02 /* Data set ready has changed */ #define IRCOMM_DELTA_RI 0x04 /* Ring indicator has changed */ #define IRCOMM_DELTA_CD 0x08 /* Carrier detect has changed */ #define IRCOMM_CTS 0x10 /* Clear to send is high */ #define IRCOMM_DSR 0x20 /* Data set ready is high */ #define IRCOMM_RI 0x40 /* Ring indicator is high */ #define IRCOMM_CD 0x80 /* Carrier detect is high */ #define IRCOMM_DCE_DELTA_ANY 0x0f /* * Parameter state */ struct ircomm_params { /* General control params */ __u8 service_type; __u8 port_type; char port_name[32]; /* Control params for 3- and 9-wire service type */ __u32 data_rate; /* Data rate in bps */ __u8 data_format; __u8 flow_control; char xonxoff[2]; char enqack[2]; __u8 line_status; __u8 _break; __u8 null_modem; /* Control params for 9-wire service type */ __u8 dte; __u8 dce; __u8 poll; /* Control params for Centronics service type */ }; struct ircomm_tty_cb; /* Forward decl. */ int ircomm_param_request(struct ircomm_tty_cb *self, __u8 pi, int flush); extern pi_param_info_t ircomm_param_info; #endif /* IRCOMM_PARAMS_H */ td>mode:
authorJohan Hovold <johan@kernel.org>2017-01-30 11:26:38 +0100
committerJiri Kosina <jkosina@suse.cz>2017-01-31 12:59:32 +0100
commit7a7b5df84b6b4e5d599c7289526eed96541a0654 (patch)
treecf7514c7ddf4410fe37ca9099a2785e1cf08fa7d /tools/testing/selftests/kselftest.h
parent877a021e08ccb6434718c0cc781fdf943c884cc0 (diff)
HID: cp2112: fix sleep-while-atomic
A recent commit fixing DMA-buffers on stack added a shared transfer buffer protected by a spinlock. This is broken as the USB HID request callbacks can sleep. Fix this up by replacing the spinlock with a mutex. Fixes: 1ffb3c40ffb5 ("HID: cp2112: make transfer buffers DMA capable") Cc: stable <stable@vger.kernel.org> # 4.9 Signed-off-by: Johan Hovold <johan@kernel.org> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'tools/testing/selftests/kselftest.h')