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staging: comedi: pcmmio: cleanup indent levels in interrupt_pcmmio() 

Remove the extra indent levels in this function that resulted from
code removed in previous patches.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-12-09 15:31:12 -07:00 committed by Greg Kroah-Hartman
parent 0cc9a4e4b6
commit cd756e3d1b
1 changed files with 73 additions and 109 deletions
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182
drivers/staging/comedi/drivers/pcmmio.c
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@ -359,126 +359,90 @@ static irqreturn_t interrupt_pcmmio(int irq, void *d)
struct comedi_device *dev = d; struct comedi_device *dev = d;
struct pcmmio_private *devpriv = dev->private; struct pcmmio_private *devpriv = dev->private;
struct comedi_subdevice *s = dev->read_subdev; struct comedi_subdevice *s = dev->read_subdev;
unsigned triggered = 0;
int got1 = 0; int got1 = 0;
unsigned long flags;
unsigned char int_pend;
unsigned long flags; spin_lock_irqsave(&devpriv->pagelock, flags);
unsigned triggered = 0;
/* it is an interrupt for ASIC #asic */
unsigned char int_pend;
spin_lock_irqsave(&devpriv->pagelock, flags); int_pend = inb(dev->iobase + PCMMIO_INT_PENDING_REG);
int_pend &= 0x07;
int_pend = inb(dev->iobase + PCMMIO_INT_PENDING_REG); if (int_pend) {
int_pend &= 0x07; int port;
for (port = 0; port < INTR_PORTS_PER_ASIC; ++port) {
if (int_pend) { if (int_pend & (0x1 << port)) {
int port; unsigned char io_lines_with_edges = 0;
for (port = 0; port < INTR_PORTS_PER_ASIC; switch_page(dev, PCMMIO_PAGE_INT_ID);
++port) { io_lines_with_edges = inb(dev->iobase +
if (int_pend & (0x1 << port)) {
unsigned char
io_lines_with_edges = 0;
switch_page(dev, PCMMIO_PAGE_INT_ID);
io_lines_with_edges =
inb(dev->iobase +
PCMMIO_PAGE_REG(port)); PCMMIO_PAGE_REG(port));
if (io_lines_with_edges) /* clear pending interrupt */
/* if (io_lines_with_edges)
* clear pending outb(0, dev->iobase +
* interrupt PCMMIO_PAGE_REG(port));
*/
outb(0, dev->iobase +
PCMMIO_PAGE_REG(port));
triggered |= triggered |= io_lines_with_edges << port * 8;
io_lines_with_edges << }
port * 8; }
}
++got1;
}
spin_unlock_irqrestore(&devpriv->pagelock, flags);
if (triggered) {
/* TODO here: dispatch io lines to subdevs with commands */
unsigned long flags;
unsigned oldevents;
spin_lock_irqsave(&devpriv->spinlock, flags);
oldevents = s->async->events;
if (devpriv->active) {
unsigned mytrig = ((triggered >> 0) & ((1 << 24) - 1)) << 0;
if (mytrig & devpriv->enabled_mask) {
unsigned int val = 0;
unsigned int n, ch, len;
len = s->async->cmd.chanlist_len;
for (n = 0; n < len; n++) {
ch = CR_CHAN(s->async->cmd.chanlist[n]);
if (mytrig & (1U << ch))
val |= (1U << n);
}
/* Write the scan to the buffer. */
if (comedi_buf_put(s->async, val) &&
comedi_buf_put (s->async, val >> 16)) {
s->async->events |= (COMEDI_CB_BLOCK | COMEDI_CB_EOS);
} else {
/* Overflow! Stop acquisition!! */
/* TODO: STOP_ACQUISITION_CALL_HERE!! */
pcmmio_stop_intr(dev, s);
} }
++got1; /* Check for end of acquisition. */
} if (!devpriv->continuous) {
/* stop_src == TRIG_COUNT */
spin_unlock_irqrestore(&devpriv->pagelock, flags); if (devpriv->stop_count > 0) {
devpriv->stop_count--;
if (triggered) { if (devpriv->stop_count == 0) {
/* s->async->events |= COMEDI_CB_EOA;
* TODO here: dispatch io lines to subdevs /* TODO: STOP_ACQUISITION_CALL_HERE!! */
* with commands.. pcmmio_stop_intr(dev, s);
*/
unsigned long flags;
unsigned oldevents;
spin_lock_irqsave(&devpriv->spinlock,
flags);
oldevents = s->async->events;
if (devpriv->active) {
unsigned mytrig =
((triggered >> 0)
&
((0x1 << 24) -
1)) << 0;
if (mytrig &
devpriv->enabled_mask) {
unsigned int val
= 0;
unsigned int n,
ch, len;
len =
s->
async->cmd.chanlist_len;
for (n = 0;
n < len;
n++) {
ch = CR_CHAN(s->async->cmd.chanlist[n]);
if (mytrig & (1U << ch))
val |= (1U << n);
}
/* Write the scan to the buffer. */
if (comedi_buf_put(s->async, val)
&&
comedi_buf_put
(s->async,
val >> 16)) {
s->async->events |= (COMEDI_CB_BLOCK | COMEDI_CB_EOS);
} else {
/* Overflow! Stop acquisition!! */
/* TODO: STOP_ACQUISITION_CALL_HERE!! */
pcmmio_stop_intr
(dev,
s);
}
/* Check for end of acquisition. */
if (!devpriv->continuous) {
/* stop_src == TRIG_COUNT */
if (devpriv->stop_count > 0) {
devpriv->stop_count--;
if (devpriv->stop_count == 0) {
s->async->events |= COMEDI_CB_EOA;
/* TODO: STOP_ACQUISITION_CALL_HERE!! */
pcmmio_stop_intr
(dev,
s);
}
}
}
}
} }
}
spin_unlock_irqrestore }
(&devpriv->spinlock, flags);
if (oldevents !=
s->async->events) {
comedi_event(dev, s);
}
} }
}
spin_unlock_irqrestore(&devpriv->spinlock, flags);
if (oldevents != s->async->events)
comedi_event(dev, s);
}
if (!got1) if (!got1)
return IRQ_NONE; /* interrupt from other source */ return IRQ_NONE; /* interrupt from other source */