[PATCH] Staging: comedi: fix coding style issue in pcmuio.c
Damian Varayud
davarayud at gmail.com
Thu Nov 11 14:28:12 UTC 2010
This is a patch to the pcmuio.c file that fixes up braces, overlines and printk warnings found by the checkpatch.pl tool
Signed-off-by: Ezequiel Medina <ezemed7 at gmail.com>
---
drivers/staging/comedi/drivers/pcmuio.c | 151 ++++++++++++++++++-------------
1 files changed, 88 insertions(+), 63 deletions(-)
diff --git a/drivers/staging/comedi/drivers/pcmuio.c b/drivers/staging/comedi/drivers/pcmuio.c
index 7a92874..d0bd454 100644
--- a/drivers/staging/comedi/drivers/pcmuio.c
+++ b/drivers/staging/comedi/drivers/pcmuio.c
@@ -64,7 +64,8 @@ In the 48-channel version:
On subdev 0, the first 24 channels channels are edge-detect channels.
-In the 96-channel board you have the collowing channels that can do edge detection:
+In the 96-channel board you have the collowing channels that can do edge
+detection:
subdev 0, channels 0-24 (first 24 channels of 1st ASIC)
subdev 2, channels 0-24 (first 24 channels of 2nd ASIC)
@@ -72,7 +73,8 @@ subdev 2, channels 0-24 (first 24 channels of 2nd ASIC)
Configuration Options:
[0] - I/O port base address
[1] - IRQ (for first ASIC, or first 24 channels)
- [2] - IRQ for second ASIC (pcmuio96 only - IRQ for chans 48-72 .. can be the same as first irq!)
+ [2] - IRQ for second ASIC (pcmuio96 only - IRQ for chans 48-72 ..
+ can be the same as first irq!)
*/
#include <linux/interrupt.h>
@@ -119,9 +121,9 @@ Configuration Options:
#define REG_PORT4 0x4
#define REG_PORT5 0x5
#define REG_INT_PENDING 0x6
-#define REG_PAGELOCK 0x7 /* page selector register, upper 2 bits select a page
- and bits 0-5 are used to 'lock down' a particular
- port above to make it readonly. */
+#define REG_PAGELOCK 0x7/* page selector register, upper 2 bits select a page
+ and bits 0-5 are used to 'lock down' a particular
+ port above to make it readonly. */
#define REG_POL0 0x8
#define REG_POL1 0x9
#define REG_POL2 0xA
@@ -138,7 +140,7 @@ Configuration Options:
#define REG_PAGE_BITOFFSET 6
#define REG_LOCK_BITOFFSET 0
#define REG_PAGE_MASK (~((0x1<<REG_PAGE_BITOFFSET)-1))
-#define REG_LOCK_MASK ~(REG_PAGE_MASK)
+#define REG_LOCK_MASK (~(REG_PAGE_MASK))
#define PAGE_POL 1
#define PAGE_ENAB 2
#define PAGE_INT_ID 3
@@ -180,14 +182,16 @@ struct pcmuio_subdev_private {
/* The below is only used for intr subdevices */
struct {
- int asic; /* if non-negative, this subdev has an interrupt asic */
+ int asic; /* if non-negative, this subdev has an
+ * interrupt asic */
int first_chan; /* if nonnegative, the first channel id for
interrupts. */
- int num_asic_chans; /* the number of asic channels in this subdev
- that have interrutps */
+ int num_asic_chans; /* the number of asic channels in
+ * this subdev that have interrutps */
int asic_chan; /* if nonnegative, the first channel id with
respect to the asic that has interrupts */
- int enabled_mask; /* subdev-relative channel mask for channels
+ int enabled_mask; /* subdev-relative
+ channel mask for channels
we are interested in */
int active;
int stop_count;
@@ -196,14 +200,19 @@ struct pcmuio_subdev_private {
} intr;
};
-/* this structure is for data unique to this hardware driver. If
- several hardware drivers keep similar information in this structure,
- feel free to suggest moving the variable to the struct comedi_device struct. */
+/* this structure is for data unique to this hardware driver.
+ If several hardware drivers keep similar information in this structure
+ feel free to suggest moving the variable to the struct comedi_device
+ struct.*/
struct pcmuio_private {
struct {
- unsigned char pagelock; /* current page and lock */
- unsigned char pol[NUM_PAGED_REGS]; /* shadow of POLx registers */
- unsigned char enab[NUM_PAGED_REGS]; /* shadow of ENABx registers */
+ unsigned char pagelock;
+ /* current page and lock */
+ unsigned char pol[NUM_PAGED_REGS];
+ /* shadow of POLx registers */
+ unsigned char enab[NUM_PAGED_REGS];
+ /* shadow of ENABx registers */
+
int num;
unsigned long iobase;
unsigned int irq;
@@ -261,17 +270,21 @@ static int pcmuio_dio_insn_bits(struct comedi_device *dev,
struct comedi_insn *insn, unsigned int *data);
static int pcmuio_dio_insn_config(struct comedi_device *dev,
struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data);
+ struct comedi_insn *insn, unsigned int *data);
static irqreturn_t interrupt_pcmuio(int irq, void *d);
-static void pcmuio_stop_intr(struct comedi_device *, struct comedi_subdevice *);
-static int pcmuio_cancel(struct comedi_device *dev, struct comedi_subdevice *s);
+static void pcmuio_stop_intr(struct comedi_device *,
+ struct comedi_subdevice *);
+static int pcmuio_cancel(struct comedi_device *dev,
+ struct comedi_subdevice *s);
static int pcmuio_cmd(struct comedi_device *dev, struct comedi_subdevice *s);
-static int pcmuio_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
+static int pcmuio_cmdtest(struct comedi_device *dev,
+ struct comedi_subdevice *s,
struct comedi_cmd *cmd);
/* some helper functions to deal with specifics of this device's registers */
-static void init_asics(struct comedi_device *dev); /* sets up/clears ASIC chips to defaults */
+/* sets up/clears ASIC chips to defaults */
+static void init_asics(struct comedi_device *dev);
static void switch_page(struct comedi_device *dev, int asic, int page);
#ifdef notused
static void lock_port(struct comedi_device *dev, int asic, int port);
@@ -284,7 +297,8 @@ static void unlock_port(struct comedi_device *dev, int asic, int port);
* in the driver structure, dev->board_ptr contains that
* address.
*/
-static int pcmuio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
+static int pcmuio_attach(struct comedi_device *dev,
+ struct comedi_devconfig *it)
{
struct comedi_subdevice *s;
int sdev_no, chans_left, n_subdevs, port, asic, thisasic_chanct = 0;
@@ -295,7 +309,7 @@ static int pcmuio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
irq[0] = it->options[1];
irq[1] = it->options[2];
- printk("comedi%d: %s: io: %lx ", dev->minor, driver.driver_name,
+ printk(KERN_ERR "comedi%d: %s: io: %lx ", dev->minor, driver.driver_name,
iobase);
dev->iobase = iobase;
@@ -318,16 +332,18 @@ static int pcmuio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
* convenient macro defined in comedidev.h.
*/
if (alloc_private(dev, sizeof(struct pcmuio_private)) < 0) {
- printk("cannot allocate private data structure\n");
+ printk(KERN_ERR "cannot allocate private data structure\n");
return -ENOMEM;
}
for (asic = 0; asic < MAX_ASICS; ++asic) {
devpriv->asics[asic].num = asic;
devpriv->asics[asic].iobase = dev->iobase + asic * ASIC_IOSIZE;
- devpriv->asics[asic].irq = 0; /* this gets actually set at the end of
- this function when we
- request_irqs */
+ devpriv->asics[asic].irq = 0; /* this gets actually set
+ * at the end of
+ * this function when we
+ * request_irqs
+ */
spin_lock_init(&devpriv->asics[asic].spinlock);
}
@@ -337,7 +353,7 @@ static int pcmuio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
kcalloc(n_subdevs, sizeof(struct pcmuio_subdev_private),
GFP_KERNEL);
if (!devpriv->sprivs) {
- printk("cannot allocate subdevice private data structures\n");
+ printk(KERN_ERR "cannot allocate subdevice private data structures\n");
return -ENOMEM;
}
/*
@@ -348,7 +364,7 @@ static int pcmuio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
* 96-channel version of the board.
*/
if (alloc_subdevices(dev, n_subdevs) < 0) {
- printk("cannot allocate subdevice data structures\n");
+ printk(KERN_ERR "cannot allocate subdevice data structures\n");
return -ENOMEM;
}
@@ -375,7 +391,8 @@ static int pcmuio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
/* save the ioport address for each 'port' of 8 channels in the
subdevice */
- for (byte_no = 0; byte_no < PORTS_PER_SUBDEV; ++byte_no, ++port) {
+ for (byte_no = 0; byte_no < PORTS_PER_SUBDEV;
+ ++byte_no, ++port) {
if (port >= PORTS_PER_ASIC) {
port = 0;
++asic;
@@ -387,7 +404,8 @@ static int pcmuio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
if (thisasic_chanct <
CHANS_PER_PORT * INTR_PORTS_PER_ASIC
&& subpriv->intr.asic < 0) {
- /* this is an interrupt subdevice, so setup the struct */
+ /* this is an interrupt subdevice,
+ * so setup the struct */
subpriv->intr.asic = asic;
subpriv->intr.active = 0;
subpriv->intr.stop_count = 0;
@@ -409,7 +427,8 @@ static int pcmuio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
chans_left -= s->n_chan;
if (!chans_left) {
- asic = 0; /* reset the asic to our first asic, to do intr subdevs */
+ asic = 0; /* reset the asic to our first asic,
+ * to do intr subdevs */
port = 0;
}
@@ -432,11 +451,11 @@ static int pcmuio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
devpriv->asics[asic].irq = irq[asic];
}
- dev->irq = irq[0]; /* grr.. wish comedi dev struct supported multiple
- irqs.. */
+ dev->irq = irq[0]; /* grr.. wish comedi dev struct
+ * supported multiple irqs.. */
if (irq[0]) {
- printk("irq: %u ", irq[0]);
+ printk(KERN_ERR "irq: %u ", irq[0]);
if (irq[1] && thisboard->num_asics == 2)
printk("second ASIC irq: %u ", irq[1]);
} else {
@@ -460,7 +479,7 @@ static int pcmuio_detach(struct comedi_device *dev)
{
int i;
- printk("comedi%d: %s: remove\n", dev->minor, driver.driver_name);
+ printk(KERN_ERR "comedi%d: %s: remove\n", dev->minor, driver.driver_name);
if (dev->iobase)
release_region(dev->iobase, ASIC_IOSIZE * thisboard->num_asics);
@@ -501,7 +520,7 @@ static int pcmuio_dio_insn_bits(struct comedi_device *dev,
#ifdef DAMMIT_ITS_BROKEN
/* DEBUG */
- printk("write mask: %08x data: %08x\n", data[0], data[1]);
+ printk(KERN_ERR "write mask: %08x data: %08x\n", data[0], data[1]);
#endif
s->state = 0;
@@ -529,15 +548,18 @@ static int pcmuio_dio_insn_bits(struct comedi_device *dev,
#endif
if (write_mask_byte) {
- /* this byte has some write_bits -- so set the output lines */
- byte &= ~write_mask_byte; /* clear bits for write mask */
- byte |= ~data_byte & write_mask_byte; /* set to inverted data_byte */
+ /* this byte has some write_bits -- so set
+ * the output lines */
+ /* clear bits for write mask */
+ byte &= ~write_mask_byte;
+ /* set to inverted data_byte */
+ byte |= ~data_byte & write_mask_byte;
/* Write out the new digital output state */
outb(byte, ioaddr);
}
#ifdef DAMMIT_ITS_BROKEN
/* DEBUG */
- printk("data_out_byte %02x\n", (unsigned)byte);
+ printk(KERN_ERR "data_out_byte %02x\n", (unsigned)byte);
#endif
/* save the digital input lines for this byte.. */
s->state |= ((unsigned int)byte) << offset;
@@ -548,7 +570,7 @@ static int pcmuio_dio_insn_bits(struct comedi_device *dev,
#ifdef DAMMIT_ITS_BROKEN
/* DEBUG */
- printk("s->state %08x data_out %08x\n", s->state, data[1]);
+ printk(KERN_ERR "s->state %08x data_out %08x\n", s->state, data[1]);
#endif
return 2;
@@ -595,9 +617,11 @@ static int pcmuio_dio_insn_config(struct comedi_device *dev,
byte &= ~(1 << bit_no);
/**< set input channel to '0' */
- /* write out byte -- this is the only time we actually affect the
- hardware as all channels are implicitly output -- but input
- channels are set to float-high */
+ /* write out byte -- this is the only
+ * time we actually affect the
+ * hardware as all channels are
+ * implicitly output -- but input
+ * channels are set to float-high */
outb(byte, ioaddr);
/* save to io_bits */
@@ -651,7 +675,7 @@ static void init_asics(struct comedi_device *dev)
outb(0xff, baseaddr + REG_ENAB0); */
/* END DEBUG */
- switch_page(dev, asic, 0); /* switch back to default page 0 */
+ switch_page(dev, asic, 0); /* switch back to default page 0 */
}
}
@@ -730,7 +754,8 @@ static irqreturn_t interrupt_pcmuio(int irq, void *d)
REG_INT_ID0 + port);
if (io_lines_with_edges)
- /* clear pending interrupt */
+ /* clear pending
+ * interrupt */
outb(0, iobase +
REG_INT_ID0 +
port);
@@ -749,14 +774,17 @@ static irqreturn_t interrupt_pcmuio(int irq, void *d)
if (triggered) {
struct comedi_subdevice *s;
- /* TODO here: dispatch io lines to subdevs with commands.. */
+ /* TODO here: dispatch io lines
+ * to subdevs with commands.. */
printk
("PCMUIO DEBUG: got edge detect interrupt %d asic %d which_chans: %06x\n",
irq, asic, triggered);
for (s = dev->subdevices;
s < dev->subdevices + dev->n_subdevices;
++s) {
- if (subpriv->intr.asic == asic) { /* this is an interrupt subdev, and it matches this asic! */
+ /* this is an interrupt subdev,
+ * and it matches this asic! */
+ if (subpriv->intr.asic == asic) {
unsigned long flags;
unsigned oldevents;
@@ -777,8 +805,7 @@ static irqreturn_t interrupt_pcmuio(int irq, void *d)
1)) << subpriv->
intr.first_chan;
if (mytrig &
- subpriv->intr.enabled_mask)
- {
+ subpriv->intr.enabled_mask) {
unsigned int val
= 0;
unsigned int n,
@@ -791,18 +818,18 @@ static irqreturn_t interrupt_pcmuio(int irq, void *d)
n < len;
n++) {
ch = CR_CHAN(s->async->cmd.chanlist[n]);
- if (mytrig & (1U << ch)) {
+ if (mytrig & (1U << ch))
val |= (1U << n);
- }
}
- /* Write the scan to the buffer. */
+ /* Write the
+ * scan to the
+ * buffer.*/
if (comedi_buf_put(s->async, ((short *)&val)[0])
&&
comedi_buf_put
(s->async,
((short *)
- &val)[1]))
- {
+ &val)[1])) {
s->async->events |= (COMEDI_CB_BLOCK | COMEDI_CB_EOS);
} else {
/* Overflow! Stop acquisition!! */
@@ -940,7 +967,8 @@ static int pcmuio_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
* Internal trigger function to start acquisition for an 'INTERRUPT' subdevice.
*/
static int
-pcmuio_inttrig_start_intr(struct comedi_device *dev, struct comedi_subdevice *s,
+pcmuio_inttrig_start_intr(struct comedi_device *dev,
+ struct comedi_subdevice *s,
unsigned int trignum)
{
unsigned long flags;
@@ -951,14 +979,12 @@ pcmuio_inttrig_start_intr(struct comedi_device *dev, struct comedi_subdevice *s,
spin_lock_irqsave(&subpriv->intr.spinlock, flags);
s->async->inttrig = 0;
- if (subpriv->intr.active) {
+ if (subpriv->intr.active)
event = pcmuio_start_intr(dev, s);
- }
spin_unlock_irqrestore(&subpriv->intr.spinlock, flags);
- if (event) {
+ if (event)
comedi_event(dev, s);
- }
return 1;
}
@@ -1000,9 +1026,8 @@ static int pcmuio_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
}
spin_unlock_irqrestore(&subpriv->intr.spinlock, flags);
- if (event) {
+ if (event)
comedi_event(dev, s);
- }
return 0;
}
--
1.7.0.4
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