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Message-ID: <Zbptka6O7T1tdTuZ@lizhi-Precision-Tower-5810>
Date: Wed, 31 Jan 2024 10:56:01 -0500
From: Frank Li <Frank.li@....com>
To: Bjorn Helgaas <helgaas@...nel.org>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>, Jingoo Han <jingoohan1@...il.com>,
Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof WilczyĆski <kw@...ux.com>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, imx@...ts.linux.dev,
linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
Serge Semin <fancer.lancer@...il.com>
Subject: Re: [PATCH 2/6] PCI: dwc: Change arguments of
dw_pcie_prog_outbound_atu()
On Wed, Jan 31, 2024 at 09:41:15AM -0600, Bjorn Helgaas wrote:
> Nit: could the subject line be more specific than "change arguments"?
> E.g., something about collecting dw_pcie_prog_outbound_atu() arguments
> in a struct? If you know that's the fundamental change, it's a lot
> easier to read the commit log and the patch because you know the goal.
How about
"Consolidate arguments of dw_pcie_prog_outbound_atu() into a structure"
Frank
>
> On Tue, Jan 30, 2024 at 07:45:27PM -0500, Frank Li wrote:
> > From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
> >
> > This is a preparation before adding the Msg-type outbound iATU
> > mapping. The respective update will require two more arguments added
> > to __dw_pcie_prog_outbound_atu(). That will make the already
> > complicated function prototype even more hard to comprehend accepting
> > _eight_ arguments. In order to prevent that and keep the code
> > more-or-less readable all the outbound iATU-related arguments are
> > moved to the new config-structure: struct dw_pcie_ob_atu_cfg pointer
> > to which shall be passed to dw_pcie_prog_outbound_atu(). The structure
> > is supposed to be locally defined and populated with the outbound iATU
> > settings implied by the caller context.
> >
> > As a result of the denoted change there is no longer need in having
> > the two distinctive methods for the Host and End-point outbound iATU
> > setups since the corresponding code can directly call the
> > dw_pcie_prog_outbound_atu() method with the config-structure
> > populated. Thus dw_pcie_prog_ep_outbound_atu() is dropped.
> >
> > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
> > Reviewed-by: Serge Semin <fancer.lancer@...il.com>
> > Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> > Signed-off-by: Frank Li <Frank.Li@....com>
> > ...
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