From: Gustavo Silva Date: Wed, 21 Apr 2010 05:34:35 +0000 (-0500) Subject: Staging: comedi: drivers: fix coding style issues in das16.c X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=3c0d681e7d31fe747a2cbed0a93dd92049521683;p=openwrt%2Fstaging%2Fblogic.git Staging: comedi: drivers: fix coding style issues in das16.c This is a patch to the das16.c file that fixes up the following issues found by the checkpatch.pl tool. WARNING: line over 80 characters x 23 ERROR: spaces required around that '?' (ctx:VxV) x 2 ERROR: spaces required around that ':' (ctx:VxV) x 2 WARNING: printk() should include KERN_ facility level x 17 WARNING: braces {} are not necessary for single statement blocks x 8 Signed-off-by: Gustavo Silva Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/das16.c b/drivers/staging/comedi/drivers/das16.c index f2aadda9b241..ccee4f1802d6 100644 --- a/drivers/staging/comedi/drivers/das16.c +++ b/drivers/staging/comedi/drivers/das16.c @@ -74,7 +74,8 @@ Keithley Manuals: 4922.PDF (das-1400) 4923.PDF (das1200, 1400, 1600) -Computer boards manuals also available from their website www.measurementcomputing.com +Computer boards manuals also available from their website +www.measurementcomputing.com */ @@ -92,7 +93,8 @@ Computer boards manuals also available from their website www.measurementcomputi /* #define DEBUG */ #ifdef DEBUG -#define DEBUG_PRINT(format, args...) printk("das16: " format, ## args) +#define DEBUG_PRINT(format, args...) \ + printk(KERN_DEBUG "das16: " format, ## args) #else #define DEBUG_PRINT(format, args...) #endif @@ -186,15 +188,16 @@ Computer boards manuals also available from their website www.measurementcomputi */ -static const int sample_size = 2; /* size in bytes of a sample from board */ +/* size in bytes of a sample from board */ +static const int sample_size = 2; #define DAS16_TRIG 0 #define DAS16_AI_LSB 0 #define DAS16_AI_MSB 1 #define DAS16_MUX 2 #define DAS16_DIO 3 -#define DAS16_AO_LSB(x) ((x)?6:4) -#define DAS16_AO_MSB(x) ((x)?7:5) +#define DAS16_AO_LSB(x) ((x) ? 6 : 4) +#define DAS16_AO_MSB(x) ((x) ? 7 : 5) #define DAS16_STATUS 8 #define BUSY (1<<7) #define UNIPOLAR (1<<6) @@ -271,7 +274,7 @@ static const struct comedi_lrange range_das1x02_unip = { 4, { }; static const struct comedi_lrange range_das16jr = { 9, { - /* also used by 16/330 */ + /* also used by 16/330 */ BIP_RANGE(10), BIP_RANGE(5), BIP_RANGE(2.5), @@ -547,7 +550,8 @@ static const struct das16_board das16_boards[] = { .id = 0x20, }, { - .name = "das-1401", /* 4919.pdf and 4922.pdf (keithley user's manual) */ + /* 4919.pdf and 4922.pdf (keithley user's manual) */ + .name = "das-1401", .ai = das16_ai_rinsn, .ai_nbits = 12, .ai_speed = 10000, @@ -558,10 +562,11 @@ static const struct das16_board das16_boards[] = { .i8255_offset = 0x0, .i8254_offset = 0x0c, .size = 0x408, - .id = 0xc0 /* 4919.pdf says id bits are 0xe0, 4922.pdf says 0xc0 */ + .id = 0xc0 /* 4919.pdf says id bits are 0xe0, 4922.pdf says 0xc0 */ }, { - .name = "das-1402", /* 4919.pdf and 4922.pdf (keithley user's manual) */ + /* 4919.pdf and 4922.pdf (keithley user's manual) */ + .name = "das-1402", .ai = das16_ai_rinsn, .ai_nbits = 12, .ai_speed = 10000, @@ -572,7 +577,7 @@ static const struct das16_board das16_boards[] = { .i8255_offset = 0x0, .i8254_offset = 0x0c, .size = 0x408, - .id = 0xc0 /* 4919.pdf says id bits are 0xe0, 4922.pdf says 0xc0 */ + .id = 0xc0 /* 4919.pdf says id bits are 0xe0, 4922.pdf says 0xc0 */ }, { .name = "das-1601", /* 4919.pdf */ @@ -704,7 +709,8 @@ static const struct das16_board das16_boards[] = { .name = "das16/jr/ctr5", /* ? */ }, { - .name = "cio-das16/m1/16", /* cio-das16_m1_16.pdf, this board is a bit quirky, no dma */ + /* cio-das16_m1_16.pdf, this board is a bit quirky, no dma */ + .name = "cio-das16/m1/16", }, #endif }; @@ -736,14 +742,19 @@ struct das16_private_struct { unsigned int clockbase; /* master clock speed in ns */ volatile unsigned int control_state; /* dma, interrupt and trigger control bits */ volatile unsigned long adc_byte_count; /* number of bytes remaining */ - unsigned int divisor1; /* divisor dividing master clock to get conversion frequency */ - unsigned int divisor2; /* divisor dividing master clock to get conversion frequency */ + /* divisor dividing master clock to get conversion frequency */ + unsigned int divisor1; + /* divisor dividing master clock to get conversion frequency */ + unsigned int divisor2; unsigned int dma_chan; /* dma channel */ uint16_t *dma_buffer[2]; dma_addr_t dma_buffer_addr[2]; unsigned int current_buffer; volatile unsigned int dma_transfer_size; /* target number of bytes to transfer per dma shot */ - /* user-defined analog input and output ranges defined from config options */ + /** + * user-defined analog input and output ranges + * defined from config options + */ struct comedi_lrange *user_ai_range_table; struct comedi_lrange *user_ao_range_table; @@ -798,7 +809,10 @@ static int das16_cmd_test(struct comedi_device *dev, struct comedi_subdevice *s, if (err) return 1; - /* step 2: make sure trigger sources are unique and mutually compatible */ + /** + * step 2: make sure trigger sources are unique and + * mutually compatible + */ if (cmd->scan_begin_src != TRIG_TIMER && cmd->scan_begin_src != TRIG_EXT && cmd->scan_begin_src != TRIG_FOLLOW) @@ -893,12 +907,15 @@ static int das16_cmd_test(struct comedi_device *dev, struct comedi_subdevice *s, if (CR_CHAN(cmd->chanlist[i]) != (start_chan + i) % s->n_chan) { comedi_error(dev, - "entries in chanlist must be consecutive channels, counting upwards\n"); + "entries in chanlist must be " + "consecutive channels, " + "counting upwards\n"); err++; } if (CR_RANGE(cmd->chanlist[i]) != gain) { comedi_error(dev, - "entries in chanlist must all have the same gain\n"); + "entries in chanlist must all " + "have the same gain\n"); err++; } } @@ -920,12 +937,13 @@ static int das16_cmd_exec(struct comedi_device *dev, struct comedi_subdevice *s) if (devpriv->dma_chan == 0 || (dev->irq == 0 && devpriv->timer_mode == 0)) { comedi_error(dev, - "irq (or use of 'timer mode') dma required to execute comedi_cmd"); + "irq (or use of 'timer mode') dma required to " + "execute comedi_cmd"); return -1; } if (cmd->flags & TRIG_RT) { - comedi_error(dev, - "isa dma transfers cannot be performed with TRIG_RT, aborting"); + comedi_error(dev, "isa dma transfers cannot be performed with " + "TRIG_RT, aborting"); return -1; } @@ -933,16 +951,17 @@ static int das16_cmd_exec(struct comedi_device *dev, struct comedi_subdevice *s) cmd->stop_arg * cmd->chanlist_len * sizeof(uint16_t); /* disable conversions for das1600 mode */ - if (thisboard->size > 0x400) { + if (thisboard->size > 0x400) outb(DAS1600_CONV_DISABLE, dev->iobase + DAS1600_CONV); - } + /* set scan limits */ byte = CR_CHAN(cmd->chanlist[0]); byte |= CR_CHAN(cmd->chanlist[cmd->chanlist_len - 1]) << 4; outb(byte, dev->iobase + DAS16_MUX); /* set gain (this is also burst rate register but according to - * computer boards manual, burst rate does nothing, even on keithley cards) */ + * computer boards manual, burst rate does nothing, even on + * keithley cards) */ if (thisboard->ai_pg != das16_pg_none) { range = CR_RANGE(cmd->chanlist[0]); outb((das16_gainlists[thisboard->ai_pg])[range], @@ -1005,9 +1024,9 @@ static int das16_cmd_exec(struct comedi_device *dev, struct comedi_subdevice *s) outb(devpriv->control_state, dev->iobase + DAS16_CONTROL); /* Enable conversions if using das1600 mode */ - if (thisboard->size > 0x400) { + if (thisboard->size > 0x400) outb(0, dev->iobase + DAS1600_CONV); - } + return 0; } @@ -1030,9 +1049,9 @@ static int das16_cancel(struct comedi_device *dev, struct comedi_subdevice *s) } /* disable burst mode */ - if (thisboard->size > 0x400) { + if (thisboard->size > 0x400) outb(0, dev->iobase + DAS1600_BURST); - } + spin_unlock_irqrestore(&dev->spinlock, flags); @@ -1085,11 +1104,11 @@ static int das16_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, } msb = inb(dev->iobase + DAS16_AI_MSB); lsb = inb(dev->iobase + DAS16_AI_LSB); - if (thisboard->ai_nbits == 12) { + if (thisboard->ai_nbits == 12) data[n] = ((lsb >> 4) & 0xf) | (msb << 4); - } else { + else data[n] = lsb | (msb << 8); - } + } return n; @@ -1207,8 +1226,8 @@ static int disable_dma_on_even(struct comedi_device *dev) residue = get_dma_residue(devpriv->dma_chan); } if (i == disable_limit) { - comedi_error(dev, - "failed to get an even dma transfer, could be trouble."); + comedi_error(dev, "failed to get an even dma transfer, " + "could be trouble."); } return residue; } @@ -1254,7 +1273,8 @@ static void das16_interrupt(struct comedi_device *dev) } else num_bytes = devpriv->dma_transfer_size - residue; - if (cmd->stop_src == TRIG_COUNT && num_bytes >= devpriv->adc_byte_count) { + if (cmd->stop_src == TRIG_COUNT && + num_bytes >= devpriv->adc_byte_count) { num_bytes = devpriv->adc_byte_count; async->events |= COMEDI_CB_EOA; } @@ -1275,9 +1295,9 @@ static void das16_interrupt(struct comedi_device *dev) set_dma_count(devpriv->dma_chan, devpriv->dma_transfer_size); enable_dma(devpriv->dma_chan); /* reenable conversions for das1600 mode, (stupid hardware) */ - if (thisboard->size > 0x400 && devpriv->timer_mode == 0) { + if (thisboard->size > 0x400 && devpriv->timer_mode == 0) outb(0x00, dev->iobase + DAS1600_CONV); - } + } release_dma_lock(dma_flags); @@ -1330,25 +1350,25 @@ static int das16_probe(struct comedi_device *dev, struct comedi_devconfig *it) status = inb(dev->iobase + DAS16_STATUS); - if ((status & UNIPOLAR)) { + if ((status & UNIPOLAR)) devpriv->ai_unipolar = 1; - } else { + else devpriv->ai_unipolar = 0; - } - if ((status & DAS16_MUXBIT)) { + + if ((status & DAS16_MUXBIT)) devpriv->ai_singleended = 1; - } else { + else devpriv->ai_singleended = 0; - } + /* diobits indicates boards */ diobits = inb(dev->iobase + DAS16_DIO) & 0xf0; - printk(" id bits are 0x%02x\n", diobits); + printk(KERN_INFO " id bits are 0x%02x\n", diobits); if (thisboard->id != diobits) { - printk(" requested board's id bits are 0x%x (ignore)\n", + printk(KERN_INFO " requested board's id bits are 0x%x (ignore)\n", thisboard->id); } @@ -1363,10 +1383,10 @@ static int das1600_mode_detect(struct comedi_device *dev) if (status & DAS1600_CLK_10MHZ) { devpriv->clockbase = 100; - printk(" 10MHz pacer clock\n"); + printk(KERN_INFO " 10MHz pacer clock\n"); } else { devpriv->clockbase = 1000; - printk(" 1MHz pacer clock\n"); + printk(KERN_INFO " 1MHz pacer clock\n"); } reg_dump(dev); @@ -1406,14 +1426,15 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it) if (timer_mode) irq = 0; - printk("comedi%d: das16:", dev->minor); + printk(KERN_INFO "comedi%d: das16:", dev->minor); /* check that clock setting is valid */ if (it->options[3]) { if (it->options[3] != 0 && it->options[3] != 1 && it->options[3] != 10) { printk - ("\n Invalid option. Master clock must be set to 1 or 10 (MHz)\n"); + ("\n Invalid option. Master clock must be set " + "to 1 or 10 (MHz)\n"); return -EINVAL; } } @@ -1425,23 +1446,23 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it) if (thisboard->size < 0x400) { printk(" 0x%04lx-0x%04lx\n", iobase, iobase + thisboard->size); if (!request_region(iobase, thisboard->size, "das16")) { - printk(" I/O port conflict\n"); + printk(KERN_ERR " I/O port conflict\n"); return -EIO; } } else { - printk(" 0x%04lx-0x%04lx 0x%04lx-0x%04lx\n", + printk(KERN_INFO " 0x%04lx-0x%04lx 0x%04lx-0x%04lx\n", iobase, iobase + 0x0f, iobase + 0x400, iobase + 0x400 + (thisboard->size & 0x3ff)); if (!request_region(iobase, 0x10, "das16")) { - printk(" I/O port conflict: 0x%04lx-0x%04lx\n", + printk(KERN_ERR " I/O port conflict: 0x%04lx-0x%04lx\n", iobase, iobase + 0x0f); return -EIO; } if (!request_region(iobase + 0x400, thisboard->size & 0x3ff, "das16")) { release_region(iobase, 0x10); - printk(" I/O port conflict: 0x%04lx-0x%04lx\n", + printk(KERN_ERR " I/O port conflict: 0x%04lx-0x%04lx\n", iobase + 0x400, iobase + 0x400 + (thisboard->size & 0x3ff)); return -EIO; @@ -1452,7 +1473,7 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it) /* probe id bits to make sure they are consistent */ if (das16_probe(dev, it)) { - printk(" id bits do not match selected board, aborting\n"); + printk(KERN_ERR " id bits do not match selected board, aborting\n"); return -EINVAL; } dev->board_name = thisboard->name; @@ -1474,7 +1495,7 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it) if (ret < 0) return ret; dev->irq = irq; - printk(" ( irq = %u )", irq); + printk(KERN_INFO " ( irq = %u )", irq); } else if (irq == 0) { printk(" ( no irq )"); } else { @@ -1488,16 +1509,15 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it) /* allocate dma buffers */ int i; for (i = 0; i < 2; i++) { - devpriv->dma_buffer[i] = pci_alloc_consistent(NULL, - DAS16_DMA_SIZE, - &devpriv-> - dma_buffer_addr - [i]); + devpriv->dma_buffer[i] = pci_alloc_consistent( + NULL, DAS16_DMA_SIZE, + &devpriv->dma_buffer_addr[i]); + if (devpriv->dma_buffer[i] == NULL) return -ENOMEM; } if (request_dma(dma_chan, "das16")) { - printk(" failed to allocate dma channel %i\n", + printk(KERN_ERR " failed to allocate dma channel %i\n", dma_chan); return -EINVAL; } @@ -1506,11 +1526,11 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it) disable_dma(devpriv->dma_chan); set_dma_mode(devpriv->dma_chan, DMA_MODE_READ); release_dma_lock(flags); - printk(" ( dma = %u)\n", dma_chan); + printk(KERN_INFO " ( dma = %u)\n", dma_chan); } else if (dma_chan == 0) { - printk(" ( no dma )\n"); + printk(KERN_INFO " ( no dma )\n"); } else { - printk(" invalid dma channel\n"); + printk(KERN_ERR " invalid dma channel\n"); return -EINVAL; } @@ -1569,7 +1589,7 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it) s->subdev_flags |= SDF_DIFF; } s->maxdata = (1 << thisboard->ai_nbits) - 1; - if (devpriv->user_ai_range_table) { /* user defined ai range */ + if (devpriv->user_ai_range_table) { /* user defined ai range */ s->range_table = devpriv->user_ai_range_table; } else if (devpriv->ai_unipolar) { s->range_table = das16_ai_uni_lranges[thisboard->ai_pg]; @@ -1592,11 +1612,12 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it) s->subdev_flags = SDF_WRITABLE; s->n_chan = 2; s->maxdata = (1 << thisboard->ao_nbits) - 1; - if (devpriv->user_ao_range_table) { /* user defined ao range */ + /* user defined ao range */ + if (devpriv->user_ao_range_table) s->range_table = devpriv->user_ao_range_table; - } else { + else s->range_table = &range_unknown; - } + s->insn_write = thisboard->ao; } else { s->type = COMEDI_SUBD_UNUSED; @@ -1656,7 +1677,7 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it) static int das16_detach(struct comedi_device *dev) { - printk("comedi%d: das16: remove\n", dev->minor); + printk(KERN_INFO "comedi%d: das16: remove\n", dev->minor); das16_reset(dev); @@ -1750,8 +1771,8 @@ static void das16_ai_munge(struct comedi_device *dev, for (i = 0; i < num_samples; i++) { data[i] = le16_to_cpu(data[i]); - if (thisboard->ai_nbits == 12) { + if (thisboard->ai_nbits == 12) data[i] = (data[i] >> 4) & 0xfff; - } + } }