Fix the checkpatch.pl issues. WARNING: Block comments use * on subsequent lines
Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com> Cc: Ian Abbott <abbo...@mev.co.uk> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- drivers/staging/comedi/drivers/ni_mio_common.c | 211 ++++++++++++++----------- 1 file changed, 117 insertions(+), 94 deletions(-) diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index 7ce53fd..317b04e 100644 --- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -1,56 +1,53 @@ /* - comedi/drivers/ni_mio_common.c - Hardware driver for DAQ-STC based boards - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 1997-2001 David A. Schleef <d...@schleef.org> - Copyright (C) 2002-2006 Frank Mori Hess <fmh...@users.sourceforge.net> - - 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. -*/ + * Hardware driver for DAQ-STC based boards + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 1997-2001 David A. Schleef <d...@schleef.org> + * Copyright (C) 2002-2006 Frank Mori Hess <fmh...@users.sourceforge.net> + * + * 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. + */ /* - This file is meant to be included by another file, e.g., - ni_atmio.c or ni_pcimio.c. - - Interrupt support originally added by Truxton Fulton - <t...@truxton.com> - - References (from ftp://ftp.natinst.com/support/manuals): - - 340747b.pdf AT-MIO E series Register Level Programmer Manual - 341079b.pdf PCI E Series RLPM - 340934b.pdf DAQ-STC reference manual - 67xx and 611x registers (from ftp://ftp.ni.com/support/daq/mhddk/documentation/) - release_ni611x.pdf - release_ni67xx.pdf - Other possibly relevant info: - - 320517c.pdf User manual (obsolete) - 320517f.pdf User manual (new) - 320889a.pdf delete - 320906c.pdf maximum signal ratings - 321066a.pdf about 16x - 321791a.pdf discontinuation of at-mio-16e-10 rev. c - 321808a.pdf about at-mio-16e-10 rev P - 321837a.pdf discontinuation of at-mio-16de-10 rev d - 321838a.pdf about at-mio-16de-10 rev N - - ISSUES: - - - the interrupt routine needs to be cleaned up - - 2006-02-07: S-Series PCI-6143: Support has been added but is not - fully tested as yet. Terry Barnaby, BEAM Ltd. -*/ + * This file is meant to be included by another file, e.g., + * ni_atmio.c or ni_pcimio.c. + * + * Interrupt support originally added by Truxton Fulton <t...@truxton.com> + * + * References (ftp://ftp.natinst.com/support/manuals): + * 340747b.pdf AT-MIO E series Register Level Programmer Manual + * 341079b.pdf PCI E Series RLPM + * 340934b.pdf DAQ-STC reference manual + * + * 67xx and 611x registers (ftp://ftp.ni.com/support/daq/mhddk/documentation/) + * release_ni611x.pdf + * release_ni67xx.pdf + * + * Other possibly relevant info: + * 320517c.pdf User manual (obsolete) + * 320517f.pdf User manual (new) + * 320889a.pdf delete + * 320906c.pdf maximum signal ratings + * 321066a.pdf about 16x + * 321791a.pdf discontinuation of at-mio-16e-10 rev. c + * 321808a.pdf about at-mio-16e-10 rev P + * 321837a.pdf discontinuation of at-mio-16de-10 rev d + * 321838a.pdf about at-mio-16de-10 rev N + * + * ISSUES: + * - the interrupt routine needs to be cleaned up + * + * 2006-02-07: S-Series PCI-6143: Support has been added but is not + * fully tested as yet. Terry Barnaby, BEAM Ltd. + */ #include <linux/interrupt.h> #include <linux/sched.h> @@ -828,8 +825,10 @@ static void ni_clear_ai_fifo(struct comedi_device *dev) ni_writeb(dev, 0, NI_M_STATIC_AI_CTRL_REG(0)); ni_writeb(dev, 1, NI_M_STATIC_AI_CTRL_REG(0)); #if 0 - /* the NI example code does 3 convert pulses for 625x boards, - but that appears to be wrong in practice. */ + /* + * The NI example code does 3 convert pulses for 625x + * boards, But that appears to be wrong in practice. + */ ni_stc_writew(dev, NISTC_AI_CMD1_CONVERT_PULSE, NISTC_AI_CMD1_REG); ni_stc_writew(dev, NISTC_AI_CMD1_CONVERT_PULSE, @@ -971,8 +970,10 @@ static int ni_ao_wait_for_dma_load(struct comedi_device *dev) b_status = ni_stc_readw(dev, NISTC_AO_STATUS1_REG); if (b_status & NISTC_AO_STATUS1_FIFO_HF) break; - /* if we poll too often, the pci bus activity seems - to slow the dma transfer down */ + /* + * If we poll too often, the pci bus activity seems + * to slow the dma transfer down. + */ udelay(10); } if (i == timeout) { @@ -1145,9 +1146,7 @@ static void ni_handle_fifo_half_full(struct comedi_device *dev) } #endif -/* - Empties the AI fifo -*/ +/* Empties the AI fifo */ static void ni_handle_fifo_dregs(struct comedi_device *dev) { struct ni_private *devpriv = dev->private; @@ -1348,8 +1347,10 @@ static void handle_a_interrupt(struct comedi_device *dev, unsigned short status, NISTC_AI_STATUS1_SC_TC | NISTC_AI_STATUS1_START1)) { if (status == 0xffff) { dev_err(dev->class_dev, "Card removed?\n"); - /* we probably aren't even running a command now, - * so it's a good idea to be careful. */ + /* + * We probably aren't even running a command now, + * so it's a good idea to be careful. + */ if (comedi_is_subdevice_running(s)) { s->async->events |= COMEDI_CB_ERROR; comedi_handle_events(dev, s); @@ -1378,8 +1379,11 @@ static void handle_a_interrupt(struct comedi_device *dev, unsigned short status, if (status & NISTC_AI_STATUS1_FIFO_HF) { int i; static const int timeout = 10; - /* pcmcia cards (at least 6036) seem to stop producing interrupts if we - *fail to get the fifo less than half full, so loop to be sure.*/ + /* + * PCMCIA cards (at least 6036) seem to stop producing + * interrupts if we fail to get the fifo less than half + * full, so loop to be sure. + */ for (i = 0; i < timeout; ++i) { ni_handle_fifo_half_full(dev); if ((ni_stc_readw(dev, NISTC_AI_STATUS1_REG) & @@ -1560,8 +1564,11 @@ static int ni_ao_setup_MITE_dma(struct comedi_device *dev) if (devpriv->is_611x || devpriv->is_6713) { mite_prep_dma(devpriv->ao_mite_chan, 32, 32); } else { - /* doing 32 instead of 16 bit wide transfers from memory - makes the mite do 32 bit pci transfers, doubling pci bandwidth. */ + /* + * Doing 32 instead of 16 bit wide transfers from + * memory makes the mite do 32 bit pci transfers, + * doubling pci bandwidth. + */ mite_prep_dma(devpriv->ao_mite_chan, 16, 32); } mite_dma_arm(devpriv->ao_mite_chan); @@ -1576,11 +1583,10 @@ static int ni_ao_setup_MITE_dma(struct comedi_device *dev) #endif /* PCIDMA */ /* - used for both cancel ioctl and board initialization - - this is pretty harsh for a cancel, but it works... + * used for both cancel ioctl and board initialization + * + * this is pretty harsh for a cancel, but it works... */ - static int ni_ai_reset(struct comedi_device *dev, struct comedi_subdevice *s) { struct ni_private *devpriv = dev->private; @@ -2261,8 +2267,10 @@ static int ni_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) /* start configuration */ ni_stc_writew(dev, NISTC_RESET_AI_CFG_START, NISTC_RESET_REG); - /* disable analog triggering for now, since it - * interferes with the use of pfi0 */ + /* + * Disable analog triggering for now, since it interferes + * with the use of pfi0. + */ devpriv->an_trig_etc_reg &= ~NISTC_ATRIG_ETC_ENA; ni_stc_writew(dev, devpriv->an_trig_etc_reg, NISTC_ATRIG_ETC_REG); @@ -2834,9 +2842,11 @@ static int ni_ao_inttrig(struct comedi_device *dev, if (trig_num != cmd->start_arg) return -EINVAL; - /* Null trig at beginning prevent ao start trigger from executing more than - once per command (and doing things like trying to allocate the ao dma channel - multiple times) */ + /* + * Null trig at beginning prevent ao start trigger from executing more + * than once per command (and doing things like trying to allocate the + * ao dma channel multiple times). + */ s->async->inttrig = NULL; ni_set_bits(dev, NISTC_INTB_ENA_REG, @@ -3808,16 +3818,20 @@ static int ni_serial_sw_readwrite8(struct comedi_device *dev, udelay((devpriv->serial_interval_ns + 999) / 1000); for (mask = 0x80; mask; mask >>= 1) { - /* Output current bit; note that we cannot touch s->state - because it is a per-subdevice field, and serial is - a separate subdevice from DIO. */ + /* + * Output current bit; note that we cannot touch s->state + * because it is a per-subdevice field, and serial is + * a separate subdevice from DIO. + */ devpriv->dio_output &= ~NISTC_DIO_SDOUT; if (data_out & mask) devpriv->dio_output |= NISTC_DIO_SDOUT; ni_stc_writew(dev, devpriv->dio_output, NISTC_DIO_OUT_REG); - /* Assert SDCLK (active low, inverted), wait for half of - the delay, deassert SDCLK, and wait for the other half. */ + /* + * Assert SDCLK (active low, inverted), wait for half of + * the delay, deassert SDCLK, and wait for the other half. + */ devpriv->dio_control |= NISTC_DIO_SDCLK; ni_stc_writew(dev, devpriv->dio_control, NISTC_DIO_CTRL_REG); @@ -3864,8 +3878,10 @@ static int ni_serial_insn_config(struct comedi_device *dev, data[1] = SERIAL_DISABLED; devpriv->serial_interval_ns = data[1]; } else if (data[1] <= SERIAL_600NS) { - /* Warning: this clock speed is too fast to reliably - control SCXI. */ + /* + * Warning: this clock speed is too fast to reliably + * control SCXI. + */ devpriv->dio_control &= ~NISTC_DIO_CTRL_HW_SER_TIMEBASE; clk_fout |= NISTC_CLK_FOUT_SLOW_TIMEBASE; clk_fout &= ~NISTC_CLK_FOUT_DIO_SER_OUT_DIV2; @@ -3881,10 +3897,12 @@ static int ni_serial_insn_config(struct comedi_device *dev, devpriv->dio_control |= NISTC_DIO_CTRL_HW_SER_TIMEBASE; clk_fout |= NISTC_CLK_FOUT_SLOW_TIMEBASE | NISTC_CLK_FOUT_DIO_SER_OUT_DIV2; - /* Note: NISTC_CLK_FOUT_DIO_SER_OUT_DIV2 only affects - 600ns/1.2us. If you turn divide_by_2 off with the - slow clock, you will still get 10us, except then - all your delays are wrong. */ + /* + * Note: NISTC_CLK_FOUT_DIO_SER_OUT_DIV2 only affects + * 600ns/1.2us. If you turn divide_by_2 off with the + * slow clock, you will still get 10us, except then + * all your delays are wrong. + */ data[1] = SERIAL_10US; devpriv->serial_interval_ns = data[1]; } else { @@ -4291,13 +4309,13 @@ static int ni_6143_pwm_config(struct comedi_device *dev, static int pack_mb88341(int addr, int val, int *bitstring) { /* - Fujitsu MB 88341 - Note that address bits are reversed. Thanks to - Ingo Keen for noticing this. - - Note also that the 88341 expects address values from - 1-12, whereas we use channel numbers 0-11. The NI - docs use 1-12, also, so be careful here. + * Fujitsu MB 88341 + * Note that address bits are reversed. Thanks to + * Ingo Keen for noticing this. + * + * Note also that the 88341 expects address values from + * 1-12, whereas we use channel numbers 0-11. The NI + * docs use 1-12, also, so be careful here. */ addr++; *bitstring = ((addr & 0x1) << 11) | @@ -4767,9 +4785,12 @@ static int cs5529_ai_insn_read(struct comedi_device *dev, unsigned int channel_select; const unsigned int INTERNAL_REF = 0x1000; - /* Set calibration adc source. Docs lie, reference select bits 8 to 11 + /* + * Set calibration adc source. Docs lie, reference select bits 8 to 11 * do nothing. bit 12 seems to chooses internal reference voltage, bit - * 13 causes the adc input to go overrange (maybe reads external reference?) */ + * 13 causes the adc input to go overrange (maybe reads external + * reference?) + */ if (insn->chanspec & CR_ALT_SOURCE) channel_select = INTERNAL_REF; else @@ -4836,8 +4857,10 @@ static int ni_mseries_get_pll_parameters(unsigned int reference_period_ns, static const unsigned int pico_per_nano = 1000; const unsigned int reference_picosec = reference_period_ns * pico_per_nano; - /* m-series wants the phased-locked loop to output 80MHz, which is divided by 4 to - * 20 MHz for most timing clocks */ + /* + * m-series wants the phased-locked loop to output 80MHz, which is + * divided by 4 to 20 MHz for most timing clocks + */ static const unsigned int target_picosec = 12500; static const unsigned int fudge_factor_80_to_20Mhz = 4; int best_period_picosec = 0; -- 2.6.3 _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
