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From: Rob Herring <robh@kernel.org>
To: "Pali Rohár" <pali@kernel.org>
Cc: "Miquel Raynal" <miquel.raynal@bootlin.com>,
	"Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
	linux-arm-kernel@lists.infradead.org,
	"Vinod Koul" <vkoul@kernel.org>,
	"Tomasz Maciej Nowak" <tmn505@gmail.com>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Marek Behún" <marek.behun@nic.cz>,
	linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
	"Kishon Vijay Abraham I" <kishon@ti.com>
Subject: Re: [PATCH 2/2] PCI: aardvark: Fix initialization with old Marvell's Arm Trusted Firmware
Date: Wed, 30 Sep 2020 13:17:53 -0500	[thread overview]
Message-ID: <20200930181753.GA3170411@bogus> (raw)
In-Reply-To: <20200902144344.16684-3-pali@kernel.org>

On Wed, 02 Sep 2020 16:43:44 +0200, Pali Rohár wrote:
> Old ATF automatically power on pcie phy and does not provide SMC call for
> phy power on functionality which leads to aardvark initialization failure:
> 
> [    0.330134] mvebu-a3700-comphy d0018300.phy: unsupported SMC call, try updating your firmware
> [    0.338846] phy phy-d0018300.phy.1: phy poweron failed --> -95
> [    0.344753] advk-pcie d0070000.pcie: Failed to initialize PHY (-95)
> [    0.351160] advk-pcie: probe of d0070000.pcie failed with error -95
> 
> This patch fixes above failure by ignoring 'not supported' error in
> aardvark driver. In this case it is expected that phy is already power on.
> 
> Signed-off-by: Pali Rohár <pali@kernel.org>
> Fixes: 366697018c9a ("PCI: aardvark: Add PHY support")
> ---
>  drivers/pci/controller/pci-aardvark.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 

Reviewed-by: Rob Herring <robh@kernel.org>

WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
To: "Pali Rohár" <pali@kernel.org>
Cc: "Tomasz Maciej Nowak" <tmn505@gmail.com>,
	"Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
	linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
	"Marek Behún" <marek.behun@nic.cz>,
	"Vinod Koul" <vkoul@kernel.org>,
	"Miquel Raynal" <miquel.raynal@bootlin.com>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Kishon Vijay Abraham I" <kishon@ti.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/2] PCI: aardvark: Fix initialization with old Marvell's Arm Trusted Firmware
Date: Wed, 30 Sep 2020 13:17:53 -0500	[thread overview]
Message-ID: <20200930181753.GA3170411@bogus> (raw)
In-Reply-To: <20200902144344.16684-3-pali@kernel.org>

On Wed, 02 Sep 2020 16:43:44 +0200, Pali Rohár wrote:
> Old ATF automatically power on pcie phy and does not provide SMC call for
> phy power on functionality which leads to aardvark initialization failure:
> 
> [    0.330134] mvebu-a3700-comphy d0018300.phy: unsupported SMC call, try updating your firmware
> [    0.338846] phy phy-d0018300.phy.1: phy poweron failed --> -95
> [    0.344753] advk-pcie d0070000.pcie: Failed to initialize PHY (-95)
> [    0.351160] advk-pcie: probe of d0070000.pcie failed with error -95
> 
> This patch fixes above failure by ignoring 'not supported' error in
> aardvark driver. In this case it is expected that phy is already power on.
> 
> Signed-off-by: Pali Rohár <pali@kernel.org>
> Fixes: 366697018c9a ("PCI: aardvark: Add PHY support")
> ---
>  drivers/pci/controller/pci-aardvark.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 

Reviewed-by: Rob Herring <robh@kernel.org>

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  reply	other threads:[~2020-09-30 18:17 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-02 14:43 [PATCH 0/2] PCI: aardvark: Fix comphy with old ATF Pali Rohár
2020-09-02 14:43 ` Pali Rohár
2020-09-02 14:43 ` [PATCH 1/2] phy: marvell: comphy: Convert internal SMCC firmware return codes to errno Pali Rohár
2020-09-02 14:43   ` Pali Rohár
2020-09-02 16:13   ` Andrew Lunn
2020-09-02 16:13     ` Andrew Lunn
2020-09-02 16:56     ` Pali Rohár
2020-09-02 16:56       ` Pali Rohár
2020-09-02 17:00       ` Andrew Lunn
2020-09-02 17:00         ` Andrew Lunn
2020-09-02 17:05         ` Pali Rohár
2020-09-02 17:05           ` Pali Rohár
2020-09-02 17:20           ` Andrew Lunn
2020-09-02 17:20             ` Andrew Lunn
2020-09-02 17:45             ` Pali Rohár
2020-09-02 17:45               ` Pali Rohár
2020-09-30 18:17   ` Rob Herring
2020-09-30 18:17     ` Rob Herring
2020-09-02 14:43 ` [PATCH 2/2] PCI: aardvark: Fix initialization with old Marvell's Arm Trusted Firmware Pali Rohár
2020-09-02 14:43   ` Pali Rohár
2020-09-30 18:17   ` Rob Herring [this message]
2020-09-30 18:17     ` Rob Herring
2020-09-16 15:14 ` [PATCH 0/2] PCI: aardvark: Fix comphy with old ATF Tomasz Maciej Nowak
2020-09-16 15:14   ` Tomasz Maciej Nowak
2020-09-21 13:09   ` Pali Rohár
2020-09-21 13:09     ` Pali Rohár
2020-10-02 12:00 ` Pali Rohár
2020-10-02 12:00   ` Pali Rohár
2020-10-02 13:37 ` Lorenzo Pieralisi
2020-10-02 13:37   ` Lorenzo Pieralisi
2020-10-02 14:26   ` Pali Rohár
2020-10-02 14:26     ` Pali Rohár
2020-10-02 14:38     ` Lorenzo Pieralisi
2020-10-02 14:38       ` Lorenzo Pieralisi
2020-10-02 14:52       ` Pali Rohár
2020-10-02 14:52         ` Pali Rohár
2020-10-02 15:03         ` Lorenzo Pieralisi
2020-10-02 15:03           ` Lorenzo Pieralisi
2020-10-02 15:07           ` Pali Rohár
2020-10-02 15:07             ` Pali Rohár
2020-10-02 15:15             ` Lorenzo Pieralisi
2020-10-02 15:15               ` Lorenzo Pieralisi
2020-10-02 15:20               ` Pali Rohár
2020-10-02 15:20                 ` Pali Rohár

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