Re: [V2][PATCH] dmaengine: xilinx: dpdma: initialize registers before request_irq

[Vinod Koul]

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