On Wed, Mar 20, 2024 at 06:32:10PM +0200, Andy Shevchenko wrote: > When iDMA 64-bit device is powered off, the IRQ status register > is all 1:s. This is never happen in real case and signalling that > the device is simply powered off. Don't try to serve interrupts > that are not ours. ... > dev_vdbg(idma64->dma.dev, "%s: status=%#x\n", __func__, status); Dunno if I actually also need to move this message to after the checks... > + /* Since IRQ may be shared, check if DMA controller is powered on */ > + if (status == GENMASK(31, 0)) > + return IRQ_NONE; > + > /* Check if we have any interrupt from the DMA controller */ > if (!status) > return IRQ_NONE; -- With Best Regards, Andy Shevchenko
