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Message-ID: <20240129222417.GA477936@bhelgaas>
Date: Mon, 29 Jan 2024 16:24:17 -0600
From: Bjorn Helgaas <helgaas@...nel.org>
To: Thomas Richard <thomas.richard@...tlin.com>
Cc: Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <brgl@...ev.pl>,
Andy Shevchenko <andy@...nel.org>, Tony Lindgren <tony@...mide.com>,
Haojian Zhuang <haojian.zhuang@...aro.org>,
Vignesh R <vigneshr@...com>, Aaro Koskinen <aaro.koskinen@....fi>,
Janusz Krzysztofik <jmkrzyszt@...il.com>,
Andi Shyti <andi.shyti@...nel.org>, Peter Rosin <peda@...ntia.se>,
Vinod Koul <vkoul@...nel.org>,
Kishon Vijay Abraham I <kishon@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
Tom Joseph <tjoseph@...ence.com>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof Wilczyński <kw@...ux.com>,
Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org,
linux-i2c@...r.kernel.org, linux-phy@...ts.infradead.org,
linux-pci@...r.kernel.org, gregory.clement@...tlin.com,
theo.lebrun@...tlin.com, thomas.petazzoni@...tlin.com,
u-kumar1@...com
Subject: Re: [PATCH v2 13/15] PCI: cadence: add resume support to
cdns_pcie_host_setup()
On Mon, Jan 29, 2024 at 04:16:49PM -0600, Bjorn Helgaas wrote:
> On Fri, Jan 26, 2024 at 03:43:39PM -0600, Bjorn Helgaas wrote:
> > On Fri, Jan 26, 2024 at 03:36:55PM +0100, Thomas Richard wrote:
> > > From: Théo Lebrun <theo.lebrun@...tlin.com>
> > >
> > > That function mixes probe structure init and hardware config.
> > > The whole hardware config part must be done at resume after a suspend to
> > > ram.
> > > We therefore pass it a boolean flag determining if we are at probe or at
> > > resume.
> > ...
> > It'd be super nice to have them the same. Passing in a "probe" flag
> > works but seems a little harder to read in cdns_pcie_host_setup() and
> > you have to keep track of what it means in the callers.
>
> Maybe a better way to say this is that this patch uses the "probe"
> flag to select the behavior of cdns_pcie_host_setup(), and I think it
> would be nicer to split those two behaviors into separate functions.
Oops, sorry, Andy, I wrote this before I saw your similar response
from last Friday. Didn't mean to repeat what you already said!
Bjorn
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