From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: Jonathan Cameron <jic23@kernel.org>
Cc: Shawn Guo <shawn.guo@linaro.org>,
Jonathan Cameron <jic23@cam.ac.uk>,
jimwall@q.com, brian@crystalfontz.com,
Maxime Ripard <maxime.ripard@free-electrons.com>,
linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
devicetree-discuss@lists.ozlabs.org,
Rob Landley <rob@landley.net>,
Rob Herring <rob.herring@calxeda.com>,
Grant Likely <grant.likely@secretlab.ca>
Subject: Re: [PATCHv3 2/3] ARM: mxs: cfa10049: Switch bus i2c1 to bitbanging
Date: Sun, 07 Jul 2013 10:47:21 +0200 [thread overview]
Message-ID: <51D92B19.8000706@free-electrons.com> (raw)
In-Reply-To: <51D7F0E6.2000008@kernel.org>
On 06/07/2013 12:26, Jonathan Cameron wrote:
> On 06/24/2013 06:24 PM, Alexandre Belloni wrote:
>> From: Maxime Ripard <maxime.ripard@free-electrons.com>
>>
>> The ADCs connected to this bus have been experiencing some timeout
>> issues when using the iMX28 i2c controller. Switching back to bitbanging
>> solves this.
>>
>> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
>> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
>
> As there are no disadvantages in taking the driver through IIO and these changes
> through the appropriate arch trees, I'd not propose to take these through IIO
> (even when the discussion is done) unless specifically asked to.
>
Sure, especially since, we may finally not move to i2c bitbanging. I'll
probably resend a new version of those patches separately.
Shawn, please wait for the i2c-mxs PIO/DMA mode discussion to end before
applying. If possible, I would prefer not using bitbanging.
Regards,
--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
WARNING: multiple messages have this Message-ID (diff)
From: alexandre.belloni@free-electrons.com (Alexandre Belloni)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv3 2/3] ARM: mxs: cfa10049: Switch bus i2c1 to bitbanging
Date: Sun, 07 Jul 2013 10:47:21 +0200 [thread overview]
Message-ID: <51D92B19.8000706@free-electrons.com> (raw)
In-Reply-To: <51D7F0E6.2000008@kernel.org>
On 06/07/2013 12:26, Jonathan Cameron wrote:
> On 06/24/2013 06:24 PM, Alexandre Belloni wrote:
>> From: Maxime Ripard <maxime.ripard@free-electrons.com>
>>
>> The ADCs connected to this bus have been experiencing some timeout
>> issues when using the iMX28 i2c controller. Switching back to bitbanging
>> solves this.
>>
>> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
>> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
>
> As there are no disadvantages in taking the driver through IIO and these changes
> through the appropriate arch trees, I'd not propose to take these through IIO
> (even when the discussion is done) unless specifically asked to.
>
Sure, especially since, we may finally not move to i2c bitbanging. I'll
probably resend a new version of those patches separately.
Shawn, please wait for the i2c-mxs PIO/DMA mode discussion to end before
applying. If possible, I would prefer not using bitbanging.
Regards,
--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
WARNING: multiple messages have this Message-ID (diff)
From: Alexandre Belloni <alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
To: Jonathan Cameron <jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Shawn Guo <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Jonathan Cameron <jic23-KWPb1pKIrIJaa/9Udqfwiw@public.gmane.org>,
jimwall@q.com, brian-ZKiFAVwZFM2FeswfMrDH8w@public.gmane.org,
Maxime Ripard
<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
Rob Landley <rob-VoJi6FS/r0vR7s880joybQ@public.gmane.org>,
Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
Grant Likely
<grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
Subject: Re: [PATCHv3 2/3] ARM: mxs: cfa10049: Switch bus i2c1 to bitbanging
Date: Sun, 07 Jul 2013 10:47:21 +0200 [thread overview]
Message-ID: <51D92B19.8000706@free-electrons.com> (raw)
In-Reply-To: <51D7F0E6.2000008-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
On 06/07/2013 12:26, Jonathan Cameron wrote:
> On 06/24/2013 06:24 PM, Alexandre Belloni wrote:
>> From: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
>>
>> The ADCs connected to this bus have been experiencing some timeout
>> issues when using the iMX28 i2c controller. Switching back to bitbanging
>> solves this.
>>
>> Signed-off-by: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
>> Signed-off-by: Alexandre Belloni <alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
>
> As there are no disadvantages in taking the driver through IIO and these changes
> through the appropriate arch trees, I'd not propose to take these through IIO
> (even when the discussion is done) unless specifically asked to.
>
Sure, especially since, we may finally not move to i2c bitbanging. I'll
probably resend a new version of those patches separately.
Shawn, please wait for the i2c-mxs PIO/DMA mode discussion to end before
applying. If possible, I would prefer not using bitbanging.
Regards,
--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
next prev parent reply other threads:[~2013-07-07 8:47 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-24 17:24 [PATCHv3 0/3] Add support for the Nuvoton NAU7802 ADC to the cfa10049 Alexandre Belloni
2013-06-24 17:24 ` Alexandre Belloni
2013-06-24 17:24 ` Alexandre Belloni
2013-06-24 17:24 ` [PATCHv3 1/3] iio: Add Nuvoton NAU7802 ADC driver Alexandre Belloni
2013-06-24 17:24 ` Alexandre Belloni
2013-07-04 9:08 ` Lars-Peter Clausen
2013-07-04 9:08 ` Lars-Peter Clausen
2013-07-06 10:24 ` Jonathan Cameron
2013-07-06 10:24 ` Jonathan Cameron
2013-07-06 10:24 ` Jonathan Cameron
2013-07-09 14:04 ` Alexandre Belloni
2013-07-09 14:04 ` Alexandre Belloni
2013-07-09 17:43 ` Jonathan Cameron
2013-07-09 17:43 ` Jonathan Cameron
2013-06-24 17:24 ` [PATCHv3 2/3] ARM: mxs: cfa10049: Switch bus i2c1 to bitbanging Alexandre Belloni
2013-06-24 17:24 ` Alexandre Belloni
2013-07-02 2:45 ` Fabio Estevam
2013-07-02 2:45 ` Fabio Estevam
2013-07-02 11:35 ` Alexandre Belloni
2013-07-02 11:35 ` Alexandre Belloni
2013-07-02 11:45 ` Fabio Estevam
2013-07-02 11:45 ` Fabio Estevam
2013-07-02 11:50 ` Alexandre Belloni
2013-07-02 11:50 ` Alexandre Belloni
2013-07-02 14:06 ` Alexandre Belloni
2013-07-02 14:06 ` Alexandre Belloni
2013-07-02 16:33 ` Marek Vasut
2013-07-02 16:33 ` Marek Vasut
2013-07-02 17:15 ` Alexandre Belloni
2013-07-02 17:15 ` Alexandre Belloni
2013-07-02 17:15 ` Alexandre Belloni
2013-07-06 10:26 ` Jonathan Cameron
2013-07-06 10:26 ` Jonathan Cameron
2013-07-06 10:26 ` Jonathan Cameron
2013-07-07 8:47 ` Alexandre Belloni [this message]
2013-07-07 8:47 ` Alexandre Belloni
2013-07-07 8:47 ` Alexandre Belloni
2013-06-24 17:24 ` [PATCHv3 3/3] ARM: mxs: cfa10049: Add NAU7802 ADCs to the device tree Alexandre Belloni
2013-06-24 17:24 ` Alexandre Belloni
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