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staging: comedi: addi_apci_3xxx: tidy up v_APCI3XXX_Interrupt()

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Remove the extra comments and rename the CamelCase local variables.

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 2013-06-12 16:06:02 -07:00 committed by Greg Kroah-Hartman
parent ae57b69639
commit be68a01e30
1 changed files with 9 additions and 43 deletions
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52
drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.c
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@ -582,67 +582,33 @@ static int i_APCI3XXX_InsnReadAnalogInput(struct comedi_device *dev,
return i_ReturnValue; return i_ReturnValue;
} }
/*
+----------------------------------------------------------------------------+
| Function name : void v_APCI3XXX_Interrupt (int irq, |
| void *d) |
+----------------------------------------------------------------------------+
| Task :Interrupt handler for APCI3XXX |
| When interrupt occurs this gets called. |
| First it finds which interrupt has been generated and |
| handles corresponding interrupt |
+----------------------------------------------------------------------------+
| Input Parameters : - |
+----------------------------------------------------------------------------+
| Return Value : - |
+----------------------------------------------------------------------------+
*/
static void v_APCI3XXX_Interrupt(int irq, void *d) static void v_APCI3XXX_Interrupt(int irq, void *d)
{ {
struct comedi_device *dev = d; struct comedi_device *dev = d;
struct addi_private *devpriv = dev->private; struct addi_private *devpriv = dev->private;
unsigned char b_CopyCpt = 0; unsigned int status;
unsigned int dw_Status = 0; int i;
/***************************/
/* Test if interrupt occur */ /* Test if interrupt occur */
/***************************/ status = readl(devpriv->dw_AiBase + 16);
if ((status & 0x2) == 0x2) {
dw_Status = readl(devpriv->dw_AiBase + 16);
if ( (dw_Status & 0x2UL) == 0x2UL) {
/***********************/
/* Reset the interrupt */ /* Reset the interrupt */
/***********************/ writel(status, devpriv->dw_AiBase + 16);
writel(dw_Status, devpriv->dw_AiBase + 16);
/*****************************/
/* Test if interrupt enabled */ /* Test if interrupt enabled */
/*****************************/
if (devpriv->b_EocEosInterrupt == 1) { if (devpriv->b_EocEosInterrupt == 1) {
/********************************/
/* Read all analog inputs value */ /* Read all analog inputs value */
/********************************/ for (i = 0; i < devpriv->ui_AiNbrofChannels; i++) {
unsigned int val;
for (b_CopyCpt = 0; val = readl(devpriv->dw_AiBase + 28);
b_CopyCpt < devpriv->ui_AiNbrofChannels; devpriv->ui_AiReadData[i] = val;
b_CopyCpt++) {
devpriv->ui_AiReadData[b_CopyCpt] =
(unsigned int)readl(devpriv->dw_AiBase + 28);
} }
/**************************/
/* Set the interrupt flag */ /* Set the interrupt flag */
/**************************/
devpriv->b_EocEosInterrupt = 2; devpriv->b_EocEosInterrupt = 2;
/**********************************************/
/* Send a signal to from kernel to user space */ /* Send a signal to from kernel to user space */
/**********************************************/
send_sig(SIGIO, devpriv->tsk_Current, 0); send_sig(SIGIO, devpriv->tsk_Current, 0);
} }
} }