The pci1710_handle_every_sample() and pci1710_handle_fifo() helpers, called by the interrupt handler, both have multiple comedi_handle_events() calls. Remove these and just do a single comedi_handle_events() at the end of the interrupt handler. Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx> Cc: Ian Abbott <abbotti@xxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/comedi/drivers/adv_pci1710.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c index 6068f40..7ad59ab 100644 --- a/drivers/staging/comedi/drivers/adv_pci1710.c +++ b/drivers/staging/comedi/drivers/adv_pci1710.c @@ -666,14 +666,12 @@ static void pci1710_handle_every_sample(struct comedi_device *dev, if (status & Status_FE) { dev_dbg(dev->class_dev, "A/D FIFO empty (%4x)\n", status); s->async->events |= COMEDI_CB_ERROR; - comedi_handle_events(dev, s); return; } if (status & Status_FF) { dev_dbg(dev->class_dev, "A/D FIFO Full status (Fatal Error!) (%4x)\n", status); s->async->events |= COMEDI_CB_ERROR; - comedi_handle_events(dev, s); return; } @@ -696,8 +694,6 @@ static void pci1710_handle_every_sample(struct comedi_device *dev, } outb(0, dev->iobase + PCI171x_CLRINT); /* clear our INT request */ - - comedi_handle_events(dev, s); } static int move_block_from_fifo(struct comedi_device *dev, @@ -731,14 +727,12 @@ static void pci1710_handle_fifo(struct comedi_device *dev, if (!(m & Status_FH)) { dev_dbg(dev->class_dev, "A/D FIFO not half full! (%4x)\n", m); s->async->events |= COMEDI_CB_ERROR; - comedi_handle_events(dev, s); return; } if (m & Status_FF) { dev_dbg(dev->class_dev, "A/D FIFO Full status (Fatal Error!) (%4x)\n", m); s->async->events |= COMEDI_CB_ERROR; - comedi_handle_events(dev, s); return; } @@ -758,12 +752,10 @@ static void pci1710_handle_fifo(struct comedi_device *dev, if (cmd->stop_src == TRIG_COUNT && s->async->scans_done >= cmd->stop_arg) { s->async->events |= COMEDI_CB_EOA; - comedi_handle_events(dev, s); return; } outb(0, dev->iobase + PCI171x_CLRINT); /* clear our INT request */ - comedi_handle_events(dev, s); } static irqreturn_t interrupt_service_pci1710(int irq, void *d) @@ -802,6 +794,8 @@ static irqreturn_t interrupt_service_pci1710(int irq, void *d) else pci1710_handle_fifo(dev, s); + comedi_handle_events(dev, s); + return IRQ_HANDLED; } -- 2.0.3 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel