staging: comedi: ni_mio_common: handle_b_interrupt() does not need ao_mite_status

This function only handles the analog input interrupts, the dma was already
handled.

Remove the unecessary parameter and fix ni_E_interrupts() so that the comedi
events are properly handled.

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>

diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index 5f6eedb..1f661f2 100644 (file)
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -1387,8 +1387,7 @@ static void ack_b_interrupt(struct comedi_device *dev, unsigned short b_status)
 
 static void handle_b_interrupt(struct comedi_device *dev,
                               struct comedi_subdevice *s,
-                              unsigned short b_status,
-                              unsigned int ao_mite_status)
+                              unsigned short b_status)
 {
        if (b_status == 0xffff)
                return;
@@ -1417,8 +1416,6 @@ static void handle_b_interrupt(struct comedi_device *dev,
                }
        }
 #endif
-
-       comedi_handle_events(dev, s);
 }
 
 static void ni_ai_munge(struct comedi_device *dev, struct comedi_subdevice *s,
@@ -5155,7 +5152,6 @@ static irqreturn_t ni_E_interrupt(int irq, void *d)
        unsigned short a_status;
        unsigned short b_status;
        unsigned int ai_mite_status = 0;
-       unsigned int ao_mite_status = 0;
        unsigned long flags;
 #ifdef PCIDMA
        struct ni_private *devpriv = dev->private;
@@ -5172,6 +5168,7 @@ static irqreturn_t ni_E_interrupt(int irq, void *d)
 #ifdef PCIDMA
        if (devpriv->mite) {
                unsigned long flags_too;
+               unsigned int m_status;
 
                spin_lock_irqsave(&devpriv->mite_channel_lock, flags_too);
                if (devpriv->ai_mite_chan)
@@ -5179,9 +5176,8 @@ static irqreturn_t ni_E_interrupt(int irq, void *d)
                                                        dev->read_subdev);
 
                if (s_ao && devpriv->ao_mite_chan) {
-                       ao_mite_status = mite_ack_linkc(devpriv->ao_mite_chan,
-                                                       s_ao);
-                       if (ao_mite_status & CHSR_LINKC)
+                       m_status = mite_ack_linkc(devpriv->ao_mite_chan, s_ao);
+                       if (m_status & CHSR_LINKC)
                                mite_sync_dma(devpriv->ao_mite_chan, s_ao);
                }
 
@@ -5192,9 +5188,12 @@ static irqreturn_t ni_E_interrupt(int irq, void *d)
        ack_b_interrupt(dev, b_status);
        if ((a_status & NISTC_AI_STATUS1_INTA) || (ai_mite_status & CHSR_INT))
                handle_a_interrupt(dev, a_status, ai_mite_status);
-       if (s_ao &&
-           ((b_status & NISTC_AO_STATUS1_INTB) || (ao_mite_status & CHSR_INT)))
-               handle_b_interrupt(dev, s_ao, b_status, ao_mite_status);
+       if (s_ao) {
+               if (b_status & NISTC_AO_STATUS1_INTB)
+                       handle_b_interrupt(dev, s_ao, b_status);
+               /* handle any interrupt or dma events */
+               comedi_handle_events(dev, s_ao);
+       }
        handle_gpct_interrupt(dev, 0);
        handle_gpct_interrupt(dev, 1);
 #ifdef PCIDMA