On Fri, Jan 27, 2012 at 08:25:37AM +1100, Benjamin Herrenschmidt wrote:
> On Thu, 2012-01-26 at 13:00 -0800, Ira W. Snyder wrote:
> >
> > @@ -970,7 +984,13 @@ static ssize_t data_en_show(struct device *dev, struct
> > device_attribute *attr,
> > char *buf)
> > {
> >
On Thu, 2012-01-26 at 13:00 -0800, Ira W. Snyder wrote:
>
> @@ -970,7 +984,13 @@ static ssize_t data_en_show(struct device *dev, struct
> device_attribute *attr,
> char *buf)
> {
> struct fpga_device *priv = dev_get_drvdata(dev);
> - return snprintf(buf,
When the system is under heavy load, we occasionally saw a problem where
the system would get a legitimate interrupt when they should be
disabled.
This was caused by the data_dma_cb() DMA callback unconditionally
re-enabling FPGA interrupts even when data dumping is disabled. When
data dumping was
