On Fri, Sep 06, 2019 at 03:40:29PM +0300, Jarkko Nikula wrote: > I failed to notice the pci_set_master() call is needless in the > commit 21aa3983d619 ("i2c: designware-pci: Switch over to MSI interrupts") > due the fact driver don't support DMA. Hmm, MSI still needs bus mastering to be enabled, no?