From 4b2d73898fdd75cc841a2a6fc978fdc7b5f5247a Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Thu, 21 Apr 2016 12:04:40 -0700 Subject: [PATCH] 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 Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/ni_mio_common.c | 21 ++++++++++----------- 1 file changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index 5f6eedb..1f661f2 100644 --- 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 -- 2.7.4