linux-kernel - Re: [PATCH v6 0/6] Fix support of dw-edma HDMA NATIVE IP in remote setup

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Message-ID: <20240120151340.GA6371@thinkpad>
Date: Sat, 20 Jan 2024 20:43:40 +0530
From: Manivannan Sadhasivam <mani@...nel.org>
To: Köry Maincent <kory.maincent@...tlin.com>
Cc: Manivannan Sadhasivam <mani@...nel.org>,
	Serge Semin <fancer.lancer@...il.com>,
	Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
	Vinod Koul <vkoul@...nel.org>, Cai Huoqing <cai.huoqing@...ux.dev>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
	Herve Codina <herve.codina@...tlin.com>
Subject: Re: [PATCH v6 0/6] Fix support of dw-edma HDMA NATIVE IP in remote
 setup

On Fri, Jan 12, 2024 at 11:16:37AM +0100, Köry Maincent wrote:
> On Wed, 22 Nov 2023 22:42:42 +0530
> Manivannan Sadhasivam <mani@...nel.org> wrote:
> 
> > > For all of that you'll need to fix the
> > > dw_pcie_edma_find_chip()/dw_pcie_edma_detect() method somehow.
> > > 
> > > Alternatively, to keep things simple you can convert the
> > > dw_pcie_edma_find_chip()/dw_pcie_edma_detect() methods to just relying
> > > on the HDMA settings being fully specified by the low-level drivers.
> > >   
> > 
> > This looks like the best possible solution at the moment. Thanks for the
> > insight!
> > 
> > I will post the patches together with the HDMA enablement ones.
> 
> Hello Manivannan,
> 
> What is the status of this series?
> Do you want to wait for designware-ep.c to be HDMA compatible before merging
> the fixes? Do you expect us to do something? We can't work on the
> designware-ep.c driver as we do not have such hardware.
> Shouldn't fixes be merged as soon as possible?
> 

I've reviewed all the patches, but I do not merge them. It is upto the dmaengine
maintainer (Vinod) to merge the patches. Anyway, we are in v6.8 merge window, so
you can rebase on top of v6.8-rc1 once released and post the patches.

- Mani

> Regards,
> -- 
> Köry Maincent, Bootlin
> Embedded Linux and kernel engineering
> https://bootlin.com

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