On 30-04-21, 14:40, quanyang.wang@xxxxxxxxxxxxx wrote: > From: Quanyang Wang <quanyang.wang@xxxxxxxxxxxxx> > > In some scenarios (kdump), dpdma hardware irqs has been enabled when > calling request_irq in probe function, and then the dpdma irq handler > xilinx_dpdma_irq_handler is invoked to access xdev->chan[i]. But at > this moment xdev->chan[i] hasn't been initialized. > > We should ensure the dpdma controller to be in a consistent and > clean state before further initialization. So add dpdma_hw_init() > to do this. > > Furthermore, in xilinx_dpdma_disable_irq, disable all interrupts > instead of error interrupts. Applied, thanks -- ~Vinod