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From: Wolfram Sang <wsa@the-dreams.de>
To: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: narmstrong@baylibre.com, khilman@baylibre.com,
	linux-kernel@vger.kernel.org, b.galvani@gmail.com,
	jian.hu@amlogic.com, linux-i2c@vger.kernel.org,
	linux-amlogic@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] i2c: meson: implement the master_xfer_atomic callback
Date: Mon, 13 Jan 2020 23:15:32 +0100	[thread overview]
Message-ID: <20200113221532.GC2689@ninjato> (raw)
In-Reply-To: <20200107232901.891177-1-martin.blumenstingl@googlemail.com>


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On Wed, Jan 08, 2020 at 12:29:01AM +0100, Martin Blumenstingl wrote:
> Boards with some of the 32-bit SoCs (mostly Meson8 and Meson8m2) use a
> Ricoh RN5T618 PMU which acts as system power controller. The driver for
> the system power controller may need to the I2C bus just before shutting
> down or rebooting the system. At this stage the interrupts may be
> disabled already.
> 
> Implement the master_xfer_atomic callback so the driver for the RN5T618
> PMU can communicate properly with the PMU when shutting down or
> rebooting the board. The CTRL register has a status bit which can be
> polled to determine when processing has completed. According to the
> public S805 datasheet the value 0 means "idle" and 1 means "running".
> 
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>

Applied to for-next, thanks!


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_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic

WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@the-dreams.de>
To: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: linux-i2c@vger.kernel.org, linux-amlogic@lists.infradead.org,
	khilman@baylibre.com, narmstrong@baylibre.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, b.galvani@gmail.com,
	jian.hu@amlogic.com
Subject: Re: [PATCH] i2c: meson: implement the master_xfer_atomic callback
Date: Mon, 13 Jan 2020 23:15:32 +0100	[thread overview]
Message-ID: <20200113221532.GC2689@ninjato> (raw)
In-Reply-To: <20200107232901.891177-1-martin.blumenstingl@googlemail.com>

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On Wed, Jan 08, 2020 at 12:29:01AM +0100, Martin Blumenstingl wrote:
> Boards with some of the 32-bit SoCs (mostly Meson8 and Meson8m2) use a
> Ricoh RN5T618 PMU which acts as system power controller. The driver for
> the system power controller may need to the I2C bus just before shutting
> down or rebooting the system. At this stage the interrupts may be
> disabled already.
> 
> Implement the master_xfer_atomic callback so the driver for the RN5T618
> PMU can communicate properly with the PMU when shutting down or
> rebooting the board. The CTRL register has a status bit which can be
> polled to determine when processing has completed. According to the
> public S805 datasheet the value 0 means "idle" and 1 means "running".
> 
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>

Applied to for-next, thanks!


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WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@the-dreams.de>
To: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: narmstrong@baylibre.com, khilman@baylibre.com,
	linux-kernel@vger.kernel.org, b.galvani@gmail.com,
	jian.hu@amlogic.com, linux-i2c@vger.kernel.org,
	linux-amlogic@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] i2c: meson: implement the master_xfer_atomic callback
Date: Mon, 13 Jan 2020 23:15:32 +0100	[thread overview]
Message-ID: <20200113221532.GC2689@ninjato> (raw)
In-Reply-To: <20200107232901.891177-1-martin.blumenstingl@googlemail.com>


[-- Attachment #1.1: Type: text/plain, Size: 860 bytes --]

On Wed, Jan 08, 2020 at 12:29:01AM +0100, Martin Blumenstingl wrote:
> Boards with some of the 32-bit SoCs (mostly Meson8 and Meson8m2) use a
> Ricoh RN5T618 PMU which acts as system power controller. The driver for
> the system power controller may need to the I2C bus just before shutting
> down or rebooting the system. At this stage the interrupts may be
> disabled already.
> 
> Implement the master_xfer_atomic callback so the driver for the RN5T618
> PMU can communicate properly with the PMU when shutting down or
> rebooting the board. The CTRL register has a status bit which can be
> polled to determine when processing has completed. According to the
> public S805 datasheet the value 0 means "idle" and 1 means "running".
> 
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>

Applied to for-next, thanks!


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_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2020-01-13 22:15 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-07 23:29 [PATCH] i2c: meson: implement the master_xfer_atomic callback Martin Blumenstingl
2020-01-07 23:29 ` Martin Blumenstingl
2020-01-07 23:29 ` Martin Blumenstingl
2020-01-08 13:03 ` Neil Armstrong
2020-01-08 13:03   ` Neil Armstrong
2020-01-08 13:03   ` Neil Armstrong
2020-01-13 22:15 ` Wolfram Sang [this message]
2020-01-13 22:15   ` Wolfram Sang
2020-01-13 22:15   ` Wolfram Sang

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