linux-kernel - Re: [PATCH v4 00/12] PCI: aardvark: Fix support for Turris MOX and Compex wifi cards

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Message-ID: <20200518134614.GA31554@e121166-lin.cambridge.arm.com>
Date:   Mon, 18 May 2020 14:46:14 +0100
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Pali Rohár <pali@...nel.org>
Cc:     Gregory CLEMENT <gregory.clement@...tlin.com>,
        Andrew Murray <amurray@...goodpenguin.co.uk>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Remi Pommarel <repk@...plefau.lt>,
        Marek Behún <marek.behun@....cz>,
        Tomasz Maciej Nowak <tmn505@...il.com>,
        Xogium <contact@...ium.me>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH v4 00/12] PCI: aardvark: Fix support for Turris MOX and
 Compex wifi cards

On Mon, May 18, 2020 at 12:30:04PM +0200, Pali Rohár wrote:
> On Sunday 17 May 2020 17:57:02 Gregory CLEMENT wrote:
> > Hello,
> > 
> > > Hello,
> > >
> > > On Thu, 30 Apr 2020 10:06:13 +0200
> > > Pali Rohár <pali@...nel.org> wrote:
> > >
> > >> Marek Behún (5):
> > >>   PCI: aardvark: Improve link training
> > >>   PCI: aardvark: Add PHY support
> > >>   dt-bindings: PCI: aardvark: Describe new properties
> > >>   arm64: dts: marvell: armada-37xx: Set pcie_reset_pin to gpio function
> > >>   arm64: dts: marvell: armada-37xx: Move PCIe comphy handle property
> > >> 
> > >> Pali Rohár (7):
> > >>   PCI: aardvark: Train link immediately after enabling training
> > >>   PCI: aardvark: Don't blindly enable ASPM L0s and don't write to
> > >>     read-only register
> > >>   PCI: of: Zero max-link-speed value is invalid
> > >>   PCI: aardvark: Issue PERST via GPIO
> > >>   PCI: aardvark: Add FIXME comment for PCIE_CORE_CMD_STATUS_REG access
> > >>   PCI: aardvark: Replace custom macros by standard linux/pci_regs.h
> > >>     macros
> > >>   arm64: dts: marvell: armada-37xx: Move PCIe max-link-speed property
> > >
> > > Thanks a lot for this work. For a number of reasons, I'm less involved
> > > in Marvell platform support in Linux, but I reviewed your series and
> > > followed the discussions around it, and I'm happy to give my:
> > >
> > > Acked-by: Thomas Petazzoni <thomas.petazzoni@...tlin.com>
> > 
> > With this acked-by for the series, the reviewed-by from Rob on the
> > binding and the tested-by, I am pretty confident so I applied the
> > patches 10, 11 and 12 on mvebu/dt64.
> > 
> > Thanks,
> > 
> > Gregory
> 
> Thank you!
> 
> Lorenzo, would you now take remaining patches?

Yes - even though I have reservations about patch (5) and the
problem is related to a complete lack of programming model for
these host controllers and a clear separation between what's
done in the OS vs bootloader, PERST handling in this host
bridge is *really* a mess.

I applied 1-9 to pci/aardvark.

Lorenzo