tree 4187f662de96e222040b4c7068d34a15678fac83
parent cb97fbbcac15982406e0c74cd5512a8b6fcf10b3
author Jason Gunthorpe <jgunthorpe@obsidianresearch.com> 1485978522 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1486736444 +0100

fpga zynq: Check for errors after completing DMA

The completion did not check the interrupt status to see if any error
bits were asserted, check error bits and dump some registers if things
went wrong.

A few fixes are needed to make this work, the IXR_ERROR_FLAGS_MASK was
wrong, it included the done bits, which shows a bug in mask/unmask_irqs
which were using the wrong bits, simplify all of this stuff.

Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Moritz Fischer <moritz.fischer@ettus.com>
Acked-by: Alan Tull <atull@opensource.altera.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>