linux-kernel - [PATCH 0/2] PCI: aardvark: Fix comphy with old ATF

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Date:   Wed,  2 Sep 2020 16:43:42 +0200
From:   Pali Rohár <pali@...nel.org>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Marek Behún <marek.behun@....cz>,
        Tomasz Maciej Nowak <tmn505@...il.com>
Cc:     linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/2] PCI: aardvark: Fix comphy with old ATF

This patch series fixes regression introduced in commit 366697018c9a
("PCI: aardvark: Add PHY support") which caused aardvark driver
initialization failure on EspressoBin board with factory version of
Arm Trusted Firmware provided by Marvell.

Second patch depends on the first patch, so please add appropriate
Fixes/Cc:stable@ tags to have both patches correctly backported to
stable kernels.

I have tested both patches with Marvell ATF firmware ebin-17.10-uart.zip
and with upstream ATF+uboot and aardvark was initialized successfully.
Without this patch series on ebin-17.10-uart.zip aardvark initialization
failed.

Pali Rohár (2):
  phy: marvell: comphy: Convert internal SMCC firmware return codes to
    errno
  PCI: aardvark: Fix initialization with old Marvell's Arm Trusted
    Firmware

 drivers/pci/controller/pci-aardvark.c        |  4 +++-
 drivers/phy/marvell/phy-mvebu-a3700-comphy.c | 14 +++++++++++---
 drivers/phy/marvell/phy-mvebu-cp110-comphy.c | 14 +++++++++++---
 3 files changed, 25 insertions(+), 7 deletions(-)

-- 
2.20.1