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From: Ian Campbell <ijc@debian.org>
To: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	Gregory Clement <gregory.clement@free-electrons.com>,
	Lior Amsalem <alior@marvell.com>,
	Boris Brezillon <boris.brezillon@free-electrons.com>,
	Tawfik Bayouk <tawfik@marvell.com>,
	Nicolas Schichan <nschichan@freebox.fr>,
	stable@vger.kernel.org, Nadav Haklai <nadavh@marvell.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/3] bus: mvebu-mbus: do not set WIN_CTRL_SYNCBARRIER on non io-coherent platforms.
Date: Tue, 02 Jun 2015 08:14:11 +0100	[thread overview]
Message-ID: <1433229251.5748.290.camel@debian.org> (raw)
In-Reply-To: <1432802414-12355-2-git-send-email-thomas.petazzoni@free-electrons.com>

On Thu, 2015-05-28 at 10:40 +0200, Thomas Petazzoni wrote:
> From: Nicolas Schichan <nschichan@freebox.fr>
> 
> Commit a0b5cd4ac2d6 ("bus: mvebu-mbus: use automatic I/O
> synchronization barriers") enabled the usage of automatic I/O
> synchronization barriers by enabling bit WIN_CTRL_SYNCBARRIER in the
> control registers of MBus windows, but on non io-coherent platforms
> (orion5x, kirkwood and dove) the WIN_CTRL_SYNCBARRIER bit in
> the window control register is either reserved (all windows except 6
> and 7) or enables read-only protection (windows 6 and 7).
> 
> Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> Cc: <stable@vger.kernel.org> # v4.0+
> Fixes: a0b5cd4ac2d6 ("bus: mvebu-mbus: use automatic I/O synchronization barriers")
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

Tested-by: Ian Campbell <ijc@debian.org> (On QNAP TS-419P, it fixed SATA
reset issue)



WARNING: multiple messages have this Message-ID (diff)
From: ijc@debian.org (Ian Campbell)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/3] bus: mvebu-mbus: do not set WIN_CTRL_SYNCBARRIER on non io-coherent platforms.
Date: Tue, 02 Jun 2015 08:14:11 +0100	[thread overview]
Message-ID: <1433229251.5748.290.camel@debian.org> (raw)
In-Reply-To: <1432802414-12355-2-git-send-email-thomas.petazzoni@free-electrons.com>

On Thu, 2015-05-28 at 10:40 +0200, Thomas Petazzoni wrote:
> From: Nicolas Schichan <nschichan@freebox.fr>
> 
> Commit a0b5cd4ac2d6 ("bus: mvebu-mbus: use automatic I/O
> synchronization barriers") enabled the usage of automatic I/O
> synchronization barriers by enabling bit WIN_CTRL_SYNCBARRIER in the
> control registers of MBus windows, but on non io-coherent platforms
> (orion5x, kirkwood and dove) the WIN_CTRL_SYNCBARRIER bit in
> the window control register is either reserved (all windows except 6
> and 7) or enables read-only protection (windows 6 and 7).
> 
> Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> Cc: <stable@vger.kernel.org> # v4.0+
> Fixes: a0b5cd4ac2d6 ("bus: mvebu-mbus: use automatic I/O synchronization barriers")
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

Tested-by: Ian Campbell <ijc@debian.org> (On QNAP TS-419P, it fixed SATA
reset issue)

  parent reply	other threads:[~2015-06-02  7:14 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-28  8:40 [PATCH 0/3] bus: mvebu-mbus: important fixes and improvements Thomas Petazzoni
2015-05-28  8:40 ` [PATCH 1/3] bus: mvebu-mbus: do not set WIN_CTRL_SYNCBARRIER on non io-coherent platforms Thomas Petazzoni
2015-05-28  8:40   ` Thomas Petazzoni
2015-05-28  9:15   ` Gregory CLEMENT
2015-05-28  9:15     ` Gregory CLEMENT
2015-06-02  7:14   ` Ian Campbell [this message]
2015-06-02  7:14     ` Ian Campbell
2015-05-28  8:40 ` [PATCH 2/3] Revert "bus: mvebu-mbus: make sure SDRAM CS for DMA don't overlap the MBus bridge window" Thomas Petazzoni
2015-05-28  8:40   ` Thomas Petazzoni
2015-05-28  8:49   ` Arnd Bergmann
2015-05-28  8:49     ` Arnd Bergmann
2015-05-28  9:01     ` Thomas Petazzoni
2015-05-28  9:01       ` Thomas Petazzoni
2015-05-28 15:58     ` Greg KH
2015-05-28 15:58       ` Greg KH
2015-05-28  9:17   ` Gregory CLEMENT
2015-05-28  9:17     ` Gregory CLEMENT
2015-05-28 15:59     ` Greg KH
2015-05-28 15:59       ` Greg KH
2015-05-28  8:40 ` [PATCH 3/3] bus: mvebu-mbus: add mv_mbus_dram_info_nooverlap() Thomas Petazzoni
2015-05-28  8:49   ` Thomas Petazzoni

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