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Date: Mon, 4 Mar 2024 11:49:00 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: Frank Li <Frank.li@nxp.com>
Cc: Jingoo Han <jingoohan1@gmail.com>,
	Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
	Lorenzo Pieralisi <lpieralisi@kernel.org>,
	Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= <kw@linux.com>,
	Rob Herring <robh@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>,
	Marek Vasut <marek.vasut+renesas@gmail.com>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
	Kishon Vijay Abraham I <kishon@kernel.org>,
	Serge Semin <fancer.lancer@gmail.com>, linux-pci@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
	linux-arm-msm@vger.kernel.org, mhi@lists.linux.dev,
	Siddharth Vadapalli <s-vadapalli@ti.com>
Subject: Re: [PATCH v3 3/5] PCI: dwc: Pass the eDMA mapping format flag
 directly from glue drivers
Message-ID: <20240304061900.GF2647@thinkpad>
References: <20240226-dw-hdma-v3-0-cfcb8171fc24@linaro.org>
 <20240226-dw-hdma-v3-3-cfcb8171fc24@linaro.org>
 <Zdy8lVU6r+JO6OSJ@lizhi-Precision-Tower-5810>
 <20240227074533.GH2587@thinkpad>
 <Zd4eLBXscaV1WkbV@lizhi-Precision-Tower-5810>
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In-Reply-To: <Zd4eLBXscaV1WkbV@lizhi-Precision-Tower-5810>

On Tue, Feb 27, 2024 at 12:38:52PM -0500, Frank Li wrote:
> On Tue, Feb 27, 2024 at 01:15:33PM +0530, Manivannan Sadhasivam wrote:
> > On Mon, Feb 26, 2024 at 11:30:13AM -0500, Frank Li wrote:
> > > On Mon, Feb 26, 2024 at 05:07:28PM +0530, Manivannan Sadhasivam wrote:
> > > > Instead of maintaining a separate capability for glue drivers that cannot
> > > > support auto detection of the eDMA mapping format, let's pass the mapping
> > > > format directly from them.
> > > 
> > > Sorry, what's mapping? is it register address layout?
> > > 
> > 
> > Memory map containing the register layout for iATU, DMA etc...
> 
> the world 'map' is too general. can you use 'register map' at least at one
> place? There are bunch 'map' related DMA, such iommu map, stream id map, 
> memory page map. The reader need go though whole thread to figure out it is
> register map. 
> 

This is what used from the start and also what "mf" corresponds to. So I had to
use the same terminology.

- Mani

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