Re: [EXT] RE: [PATCH v7 5/9] PCI: dwc: Avoid reading a register to detect whether eDMA exists

[Serge Semin <fancer.lancer@xxxxxxxxx>]

Hi Frank

On Fri, Dec 09, 2022 at 03:52:42PM +0000, Frank Li wrote:
> Hi Serge,
> 
> > From: Serge Semin, Sent: Thursday, December 8, 2022 11:01 PM
> >
> > Cc += Frank Li
> >
> > @Frank could you have a look at the thread and check the content of
> > the CSRs dbi+0x8f8 and dbi+0x978 on available to you DW PCIe +EDMA
> > devices?
> 

> [    2.598038] imx6q-pcie 5f010000.pcie_ep: imx_add_pcie_ep: +0x8f8 = 3438302a, +0x978 = 00010001

Thanks for the reply. So it's 4.80a with the legacy viewport-based
access. Alas it isn't what we need in this thread. We'll need
@Mani's respond in order to decide how to fix the auto-detection
procedure.

-Serge(y)

> 
> Frank Li
> 
>