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From: Wolfram Sang <wsa@the-dreams.de>
To: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Cc: linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	ludovic.desroches@microchip.com, nicolas.ferre@microchip.com,
	alexandre.belloni@bootlin.com, robh+dt@kernel.org,
	peda@axentia.se, linux@armlinux.org.uk
Subject: Re: [PATCH v4 1/4] i2c: at91: Send bus clear command if SDA is down
Date: Tue, 5 May 2020 16:37:39 +0200	[thread overview]
Message-ID: <20200505143739.GE2468@ninjato> (raw)
In-Reply-To: <20200225155012.22764-1-codrin.ciubotariu@microchip.com>

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On Tue, Feb 25, 2020 at 05:50:09PM +0200, Codrin Ciubotariu wrote:
> After a transfer timeout, some faulty I2C slave devices might hold down
> the SDA pin. We can generate a bus clear command, hoping that the slave
> might release the pins.
> If the CLEAR command is not supported, we will use gpio recovery, if
> available, to reset the bus.
> 
> Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>

Applied to for-next, thanks!


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      parent reply	other threads:[~2020-05-05 14:37 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-25 15:50 [PATCH v4 1/4] i2c: at91: Send bus clear command if SDA is down Codrin Ciubotariu
     [not found] ` <20200225155012.22764-1-codrin.ciubotariu-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org>
2020-02-25 15:50   ` [PATCH v4 2/4] ARM: at91/dt: sama5d3: add i2c gpio pinctrl Codrin Ciubotariu
2020-03-09 21:20     ` Alexandre Belloni
2020-02-25 15:50 ` [PATCH v4 3/4] ARM: at91/dt: sama5d4: " Codrin Ciubotariu
2020-03-09 21:20   ` Alexandre Belloni
2020-02-25 15:50 ` [PATCH v4 4/4] ARM: at91/dt: sama5d2: " Codrin Ciubotariu
     [not found]   ` <20200225155012.22764-4-codrin.ciubotariu-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org>
2020-03-09 21:20     ` Alexandre Belloni
2020-03-29 21:13 ` [PATCH v4 1/4] i2c: at91: Send bus clear command if SDA is down Ludovic.Desroches
2020-04-21  7:51   ` Codrin.Ciubotariu
2020-05-05 14:37 ` Wolfram Sang [this message]

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