From 7e573494b8940dd9089de734f47e6933fb46474d Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Tue, 3 May 2016 12:29:39 -0700 Subject: [PATCH] staging: comedi: das16m1: tidy up copyright and comedi comments Fix the checkpatch.pl issue: WARNING: Block comments use * on subsequent lines Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/das16m1.c | 98 ++++++++++++------------ 1 file changed, 47 insertions(+), 51 deletions(-) diff --git a/drivers/staging/comedi/drivers/das16m1.c b/drivers/staging/comedi/drivers/das16m1.c index 3a37373fbb6f..90d3869553c9 100644 --- a/drivers/staging/comedi/drivers/das16m1.c +++ b/drivers/staging/comedi/drivers/das16m1.c @@ -1,56 +1,52 @@ /* - comedi/drivers/das16m1.c - CIO-DAS16/M1 driver - Author: Frank Mori Hess, based on code from the das16 - driver. - Copyright (C) 2001 Frank Mori Hess - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 2000 David A. Schleef - - 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. -*/ + * Comedi driver for CIO-DAS16/M1 + * Author: Frank Mori Hess, based on code from the das16 driver. + * Copyright (C) 2001 Frank Mori Hess + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 2000 David A. Schleef + * + * 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. + */ + /* -Driver: das16m1 -Description: CIO-DAS16/M1 -Author: Frank Mori Hess -Devices: [Measurement Computing] CIO-DAS16/M1 (das16m1) -Status: works - -This driver supports a single board - the CIO-DAS16/M1. -As far as I know, there are no other boards that have -the same register layout. Even the CIO-DAS16/M1/16 is -significantly different. - -I was _barely_ able to reach the full 1 MHz capability -of this board, using a hard real-time interrupt -(set the TRIG_RT flag in your struct comedi_cmd and use -rtlinux or RTAI). The board can't do dma, so the bottleneck is -pulling the data across the ISA bus. I timed the interrupt -handler, and it took my computer ~470 microseconds to pull 512 -samples from the board. So at 1 Mhz sampling rate, -expect your CPU to be spending almost all of its -time in the interrupt handler. - -This board has some unusual restrictions for its channel/gain list. If the -list has 2 or more channels in it, then two conditions must be satisfied: -(1) - even/odd channels must appear at even/odd indices in the list -(2) - the list must have an even number of entries. - -Options: - [0] - base io address - [1] - irq (optional, but you probably want it) - -irq can be omitted, although the cmd interface will not work without it. -*/ + * Driver: das16m1 + * Description: CIO-DAS16/M1 + * Author: Frank Mori Hess + * Devices: [Measurement Computing] CIO-DAS16/M1 (das16m1) + * Status: works + * + * This driver supports a single board - the CIO-DAS16/M1. As far as I know, + * there are no other boards that have the same register layout. Even the + * CIO-DAS16/M1/16 is significantly different. + * + * I was _barely_ able to reach the full 1 MHz capability of this board, using + * a hard real-time interrupt (set the TRIG_RT flag in your struct comedi_cmd + * and use rtlinux or RTAI). The board can't do dma, so the bottleneck is + * pulling the data across the ISA bus. I timed the interrupt handler, and it + * took my computer ~470 microseconds to pull 512 samples from the board. So + * at 1 Mhz sampling rate, expect your CPU to be spending almost all of its + * time in the interrupt handler. + * + * This board has some unusual restrictions for its channel/gain list. If the + * list has 2 or more channels in it, then two conditions must be satisfied: + * (1) - even/odd channels must appear at even/odd indices in the list + * (2) - the list must have an even number of entries. + * + * Configuration options: + * [0] - base io address + * [1] - irq (optional, but you probably want it) + * + * irq can be omitted, although the cmd interface will not work without it. + */ #include #include -- 2.30.2