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From: Miquel Raynal <miquel.raynal@bootlin•com>
To: Baruch Siach <baruch@tkos•co.il>
Cc: Mark Rutland <mark.rutland@arm•com>, Andrew Lunn <andrew@lunn•ch>,
	Jason Cooper <jason@lakedaemon•net>,
	devicetree@vger•kernel.org, Marc Zyngier <marc.zyngier@arm•com>,
	Gregory Clement <gregory.clement@bootlin•com>,
	Maxime Chevallier <maxime.chevallier@bootlin•com>,
	Nadav Haklai <nadavh@marvell•com>,
	Hans de Goede <hdegoede@redhat•com>,
	Rob Herring <robh+dt@kernel•org>,
	Antoine Tenart <antoine.tenart@bootlin•com>,
	Jens Axboe <axboe@kernel•dk>,
	Thomas Petazzoni <thomas.petazzoni@bootlin•com>,
	linux-ide@vger•kernel.org, Thomas Gleixner <tglx@linutronix•de>,
	linux-arm-kernel@lists•infradead.org,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail•com>
Subject: Re: [PATCH 4/5] arm64: dts: marvell: armada-8040-clearfog: Drop non-existent SATA port
Date: Mon, 25 Feb 2019 11:58:26 +0100	[thread overview]
Message-ID: <20190225115826.5bc17f6d@xps13> (raw)
In-Reply-To: <87tvgt7o0q.fsf@tarshish>

Hi Baruch,

Baruch Siach <baruch@tkos•co.il> wrote on Sun, 24 Feb 2019 07:29:09
+0200:

> Hi Miquel,
> 
> On Fri, Feb 22 2019, Miquel Raynal wrote:
> 
> > There is no CP110 SATA port available on the 8040 Clearfog A8k, SATA
> > may be used thanks to a mPCIe -> SATA extension board only. Hence, the
> > cp1_sata0 node must be removed from the device tree.  
> 
> Not true. You can use the mini PCIe serdes as SATA directly if you
> configure it as such. You only need to invert the serdes Rx pair
> polarity. This is the default configuration for the Clearfog GT-8K CON3
> mini-PCIe slot (CP1, lane #0) in current mainline U-Boot. I verified
> that this setup works on Clearfog GT-8K.
> 
> This patch would break mini PCIe direct SATA.

Thanks for explaining, I am a little bit surprised that it actually
uses the SATA host IP on CP110 but fine. So can you tell me which SATA
port is used in this case? Because I will have to update the DT
representation along with the CP110 changes.

Thanks,
Miquèl

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  reply	other threads:[~2019-02-25 10:58 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-22 14:53 [PATCH 0/5] Enable per-port SATA interrupts and drop an hack in the IRQ subsystem Miquel Raynal
2019-02-22 14:53 ` [PATCH 1/5] ata: libahci: Ensure the host interrupt status bits are cleared Miquel Raynal
2019-02-22 14:53 ` [PATCH 2/5] ata: libahci_platform: Support per-port interrupts Miquel Raynal
2019-02-22 15:26   ` Hans de Goede
2019-02-22 15:31     ` Miquel Raynal
2019-02-22 15:52       ` Hans de Goede
2019-02-22 16:03         ` Miquel Raynal
2019-02-22 16:10           ` Hans de Goede
2019-02-25 18:08             ` Jens Axboe
2019-02-22 16:41           ` Marc Zyngier
2019-02-22 14:53 ` [PATCH 3/5] irqchip/irq-mvebu-icu: Move the double SATA ports interrupt hack Miquel Raynal
2019-02-23 19:19   ` Marc Zyngier
2019-02-25 15:22     ` Miquel Raynal
2019-02-22 14:53 ` [PATCH 4/5] arm64: dts: marvell: armada-8040-clearfog: Drop non-existent SATA port Miquel Raynal
2019-02-24  5:29   ` Baruch Siach
2019-02-25 10:58     ` Miquel Raynal [this message]
2019-02-25 12:15       ` Baruch Siach
2019-02-25 13:05         ` Russell King - ARM Linux admin
2019-02-27  5:16           ` Baruch Siach
2019-02-22 14:53 ` [PATCH 5/5] arm64: dts: marvell: armada-cp110: Switch to per-port SATA interrupts Miquel Raynal
2019-02-22 15:13   ` Russell King - ARM Linux admin
2019-02-22 15:29     ` Miquel Raynal
2019-02-23 19:21   ` Marc Zyngier

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