From: Wolfram Sang <wsa@the-dreams.de>
To: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: Tero Kristo <t-kristo@ti.com>,
preid@electromag.com.au, Keerthy <j-keerthy@ti.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
linux-renesas-soc@vger.kernel.org,
Grygorii Strashko <grygorii.strashko@ti.com>,
linux-i2c@vger.kernel.org,
Stefan Lengfeld <contact@stefanchrist.eu>,
linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [RFC PATCH 0/4] i2c: core: introduce master_xfer_irqless
Date: Fri, 21 Sep 2018 01:01:32 +0200 [thread overview]
Message-ID: <20180920230132.GE988@kunai> (raw)
In-Reply-To: <20180920161423.13990-1-wsa+renesas@sang-engineering.com>
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On Thu, Sep 20, 2018 at 06:14:19PM +0200, Wolfram Sang wrote:
> To keep the discussion about master_xfer_irqless going, I post here a
> draft how I envision the changes to the I2C core. They are only build
> tested. I am unsure if I can test them on hardware before next week, so
> I'll send them around as RFC already, so people can get an idea and
> comment. Maybe Stefan has some bandwidth to test his imx driver
> implementation on top of this?
>
> A branch can be found here:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git renesas/i2c/xfer_irqless
What I forgot to mention:
At some point, I'd like an adiitional check if the device is flagged to
have very late I2C transfers and trigger a fat warning if not. To keep
bugs visible.
I have ideas but not perfect yet, so I'll leave this as the next step.
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WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@the-dreams.de>
To: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: linux-i2c@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
Stefan Lengfeld <contact@stefanchrist.eu>,
preid@electromag.com.au, linux-omap@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, Keerthy <j-keerthy@ti.com>,
Tero Kristo <t-kristo@ti.com>,
Grygorii Strashko <grygorii.strashko@ti.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: Re: [RFC PATCH 0/4] i2c: core: introduce master_xfer_irqless
Date: Fri, 21 Sep 2018 01:01:32 +0200 [thread overview]
Message-ID: <20180920230132.GE988@kunai> (raw)
In-Reply-To: <20180920161423.13990-1-wsa+renesas@sang-engineering.com>
[-- Attachment #1: Type: text/plain, Size: 850 bytes --]
On Thu, Sep 20, 2018 at 06:14:19PM +0200, Wolfram Sang wrote:
> To keep the discussion about master_xfer_irqless going, I post here a
> draft how I envision the changes to the I2C core. They are only build
> tested. I am unsure if I can test them on hardware before next week, so
> I'll send them around as RFC already, so people can get an idea and
> comment. Maybe Stefan has some bandwidth to test his imx driver
> implementation on top of this?
>
> A branch can be found here:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git renesas/i2c/xfer_irqless
What I forgot to mention:
At some point, I'd like an adiitional check if the device is flagged to
have very late I2C transfers and trigger a fat warning if not. To keep
bugs visible.
I have ideas but not perfect yet, so I'll leave this as the next step.
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WARNING: multiple messages have this Message-ID (diff)
From: wsa@the-dreams.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 0/4] i2c: core: introduce master_xfer_irqless
Date: Fri, 21 Sep 2018 01:01:32 +0200 [thread overview]
Message-ID: <20180920230132.GE988@kunai> (raw)
In-Reply-To: <20180920161423.13990-1-wsa+renesas@sang-engineering.com>
On Thu, Sep 20, 2018 at 06:14:19PM +0200, Wolfram Sang wrote:
> To keep the discussion about master_xfer_irqless going, I post here a
> draft how I envision the changes to the I2C core. They are only build
> tested. I am unsure if I can test them on hardware before next week, so
> I'll send them around as RFC already, so people can get an idea and
> comment. Maybe Stefan has some bandwidth to test his imx driver
> implementation on top of this?
>
> A branch can be found here:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git renesas/i2c/xfer_irqless
What I forgot to mention:
At some point, I'd like an adiitional check if the device is flagged to
have very late I2C transfers and trigger a fat warning if not. To keep
bugs visible.
I have ideas but not perfect yet, so I'll leave this as the next step.
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next prev parent reply other threads:[~2018-09-20 23:01 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-20 16:14 [RFC PATCH 0/4] i2c: core: introduce master_xfer_irqless Wolfram Sang
2018-09-20 16:14 ` Wolfram Sang
2018-09-20 16:14 ` Wolfram Sang
2018-09-20 16:14 ` [RFC PATCH 1/4] i2c: core: remove outdated DEBUG output Wolfram Sang
2018-09-20 16:14 ` Wolfram Sang
2018-09-20 16:14 ` Wolfram Sang
2018-09-20 17:23 ` Peter Rosin
2018-09-20 17:23 ` Peter Rosin
2018-09-20 17:23 ` Peter Rosin
2018-10-05 16:14 ` Wolfram Sang
2018-10-05 16:14 ` Wolfram Sang
2018-10-05 16:14 ` Wolfram Sang
2018-09-20 16:14 ` [RFC PATCH 2/4] i2c: core: remove level of indentation in i2c_transfer Wolfram Sang
2018-09-20 16:14 ` Wolfram Sang
2018-09-20 16:14 ` Wolfram Sang
2018-09-20 17:26 ` Peter Rosin
2018-09-20 17:26 ` Peter Rosin
2018-09-20 17:26 ` Peter Rosin
2018-09-20 22:46 ` Wolfram Sang
2018-09-20 22:46 ` Wolfram Sang
2018-09-20 22:46 ` Wolfram Sang
2018-10-05 16:15 ` Wolfram Sang
2018-10-05 16:15 ` Wolfram Sang
2018-10-05 16:15 ` Wolfram Sang
2018-09-20 16:14 ` [RFC PATCH 3/4] i2c: core: use I2C locking behaviour also for SMBUS Wolfram Sang
2018-09-20 16:14 ` Wolfram Sang
2018-09-20 16:14 ` Wolfram Sang
2018-09-20 17:31 ` Peter Rosin
2018-09-20 17:31 ` Peter Rosin
2018-09-20 17:31 ` Peter Rosin
2018-09-20 22:48 ` Wolfram Sang
2018-09-20 22:48 ` Wolfram Sang
2018-09-20 22:48 ` Wolfram Sang
2018-09-20 16:14 ` [RFC PATCH 4/4] i2c: core: introduce master_xfer_irqless callback Wolfram Sang
2018-09-20 16:14 ` Wolfram Sang
2018-09-20 16:14 ` Wolfram Sang
2018-09-20 17:41 ` Peter Rosin
2018-09-20 17:41 ` Peter Rosin
2018-09-20 17:41 ` Peter Rosin
2018-09-20 22:55 ` Wolfram Sang
2018-09-20 22:55 ` Wolfram Sang
2018-09-20 22:55 ` Wolfram Sang
2018-10-18 10:44 ` Russell King - ARM Linux
2018-10-18 10:44 ` Russell King - ARM Linux
2018-10-18 10:44 ` Russell King - ARM Linux
2019-02-09 18:03 ` Wolfram Sang
2019-02-09 18:03 ` Wolfram Sang
2018-09-20 22:02 ` [RFC PATCH 0/4] i2c: core: introduce master_xfer_irqless Tony Lindgren
2018-09-20 22:02 ` Tony Lindgren
2018-09-20 22:02 ` Tony Lindgren
2018-09-20 22:56 ` Wolfram Sang
2018-09-20 22:56 ` Wolfram Sang
2018-09-20 22:56 ` Wolfram Sang
2018-10-18 10:35 ` Keerthy
2018-10-18 10:35 ` Keerthy
2018-10-18 10:35 ` Keerthy
2018-09-20 23:01 ` Wolfram Sang [this message]
2018-09-20 23:01 ` Wolfram Sang
2018-09-20 23:01 ` Wolfram Sang
2018-09-23 20:20 ` Stefan Lengfeld
2018-09-23 20:20 ` Stefan Lengfeld
2018-09-23 20:20 ` Stefan Lengfeld
2018-10-07 15:39 ` [RFC PATCH 0/3] " Stefan Lengfeld
2018-10-07 15:39 ` [RFC PATCH 1/3] i2c: imx: implement master_xfer_irqless callback Stefan Lengfeld
2018-10-08 10:06 ` Andy Shevchenko
2018-10-07 15:39 ` [RFC PATCH 2/3] watchdog: da9062: avoid regmap in restart handler Stefan Lengfeld
2018-10-08 10:07 ` Andy Shevchenko
2018-10-07 15:39 ` [RFC PATCH 3/3] ARM: dts: phyboard-mira-dl: rely on PMIC for reboot and watchdog Stefan Lengfeld
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