From: Wolfram Sang <wsa@kernel.org>
To: "Théo Lebrun" <theo.lebrun@bootlin.com>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Andi Shyti <andi.shyti@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mips@vger.kernel.org,
Gregory Clement <gregory.clement@bootlin.com>,
Vladimir Kondratiev <vladimir.kondratiev@mobileye.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Tawfik Bayouk <tawfik.bayouk@mobileye.com>
Subject: Re: [PATCH v2 08/11] i2c: nomadik: fetch i2c-transfer-timeout-us property from devicetree
Date: Mon, 4 Mar 2024 10:25:38 +0100 [thread overview]
Message-ID: <ZeWTklsK36jSzZWW@ninjato> (raw)
In-Reply-To: <20240229-mbly-i2c-v2-8-b32ed18c098c@bootlin.com>
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On Thu, Feb 29, 2024 at 07:10:56PM +0100, Théo Lebrun wrote:
> Allow overriding the default timeout value (200ms) from devicetree,
> using the generic i2c-transfer-timeout-us property.
>
> The i2c_adapter->timeout field is an unaccurate jiffies amount;
> i2c-nomadik uses hrtimers for timeouts below one jiffy.
>
> Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
I agree to get the DT property here in the driver. We may later refactor
it to handle it in the I2C core. Syncing this new property with the
existing 'adapter->timeout' will be a tad annoying, though. But I guess
the shorter timeouts are a desired feature these days...
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@kernel.org>
To: "Théo Lebrun" <theo.lebrun@bootlin.com>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Andi Shyti <andi.shyti@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mips@vger.kernel.org,
Gregory Clement <gregory.clement@bootlin.com>,
Vladimir Kondratiev <vladimir.kondratiev@mobileye.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Tawfik Bayouk <tawfik.bayouk@mobileye.com>
Subject: Re: [PATCH v2 08/11] i2c: nomadik: fetch i2c-transfer-timeout-us property from devicetree
Date: Mon, 4 Mar 2024 10:25:38 +0100 [thread overview]
Message-ID: <ZeWTklsK36jSzZWW@ninjato> (raw)
In-Reply-To: <20240229-mbly-i2c-v2-8-b32ed18c098c@bootlin.com>
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On Thu, Feb 29, 2024 at 07:10:56PM +0100, Théo Lebrun wrote:
> Allow overriding the default timeout value (200ms) from devicetree,
> using the generic i2c-transfer-timeout-us property.
>
> The i2c_adapter->timeout field is an unaccurate jiffies amount;
> i2c-nomadik uses hrtimers for timeouts below one jiffy.
>
> Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
I agree to get the DT property here in the driver. We may later refactor
it to handle it in the I2C core. Syncing this new property with the
existing 'adapter->timeout' will be a tad annoying, though. But I guess
the shorter timeouts are a desired feature these days...
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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next prev parent reply other threads:[~2024-03-04 9:25 UTC|newest]
Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-29 18:10 [PATCH v2 00/11] Add Mobileye EyeQ5 support to the Nomadik I2C controller & use hrtimers for timeouts Théo Lebrun
2024-02-29 18:10 ` Théo Lebrun
2024-02-29 18:10 ` [PATCH v2 01/11] dt-bindings: i2c: nomadik: add mobileye,eyeq5-i2c bindings and example Théo Lebrun
2024-02-29 18:10 ` Théo Lebrun
2024-02-29 19:26 ` Rob Herring
2024-02-29 19:26 ` Rob Herring
2024-03-01 15:11 ` Rob Herring
2024-03-01 15:11 ` Rob Herring
2024-03-01 15:47 ` Théo Lebrun
2024-03-01 15:47 ` Théo Lebrun
2024-02-29 18:10 ` [PATCH v2 02/11] dt-bindings: hwmon: lm75: use common hwmon schema Théo Lebrun
2024-02-29 18:10 ` Théo Lebrun
2024-02-29 19:26 ` Rob Herring
2024-02-29 19:26 ` Rob Herring
2024-03-01 6:37 ` Krzysztof Kozlowski
2024-03-01 6:37 ` Krzysztof Kozlowski
2024-03-01 6:53 ` Guenter Roeck
2024-03-01 6:53 ` Guenter Roeck
2024-03-01 9:41 ` Théo Lebrun
2024-03-01 9:41 ` Théo Lebrun
2024-03-01 10:13 ` Krzysztof Kozlowski
2024-03-01 10:13 ` Krzysztof Kozlowski
2024-03-01 10:44 ` Théo Lebrun
2024-03-01 10:44 ` Théo Lebrun
2024-03-01 11:35 ` Krzysztof Kozlowski
2024-03-01 11:35 ` Krzysztof Kozlowski
2024-03-01 14:09 ` Théo Lebrun
2024-03-01 14:09 ` Théo Lebrun
2024-03-01 14:13 ` Krzysztof Kozlowski
2024-03-01 14:13 ` Krzysztof Kozlowski
2024-03-01 15:35 ` Rob Herring
2024-03-01 15:35 ` Rob Herring
2024-03-01 15:52 ` Théo Lebrun
2024-03-01 15:52 ` Théo Lebrun
2024-03-01 15:38 ` Rob Herring
2024-03-01 15:38 ` Rob Herring
2024-03-01 19:21 ` Guenter Roeck
2024-03-01 19:21 ` Guenter Roeck
2024-02-29 18:10 ` [PATCH v2 03/11] i2c: nomadik: rename private struct pointers from dev to priv Théo Lebrun
2024-02-29 18:10 ` Théo Lebrun
2024-03-02 0:16 ` [SPAM] " Andi Shyti
2024-03-02 0:16 ` Andi Shyti
2024-03-04 9:13 ` Wolfram Sang
2024-03-04 9:13 ` Wolfram Sang
2024-02-29 18:10 ` [PATCH v2 04/11] i2c: nomadik: simplify IRQ masking logic Théo Lebrun
2024-02-29 18:10 ` Théo Lebrun
2024-03-02 0:39 ` [SPAM] " Andi Shyti
2024-03-02 0:39 ` Andi Shyti
2024-03-04 9:46 ` Théo Lebrun
2024-03-04 9:46 ` Théo Lebrun
2024-02-29 18:10 ` [PATCH v2 05/11] i2c: nomadik: use bitops helpers Théo Lebrun
2024-02-29 18:10 ` Théo Lebrun
2024-03-02 1:31 ` Andi Shyti
2024-03-02 1:31 ` Andi Shyti
2024-03-04 10:00 ` Théo Lebrun
2024-03-04 10:00 ` Théo Lebrun
2024-02-29 18:10 ` [PATCH v2 06/11] i2c: nomadik: support short xfer timeouts using waitqueue & hrtimer Théo Lebrun
2024-02-29 18:10 ` Théo Lebrun
2024-03-04 9:18 ` Wolfram Sang
2024-03-04 9:18 ` Wolfram Sang
2024-03-04 10:14 ` Théo Lebrun
2024-03-04 10:14 ` Théo Lebrun
2024-03-04 11:37 ` Wolfram Sang
2024-03-04 11:37 ` Wolfram Sang
2024-03-04 13:54 ` [SPAM] " Andi Shyti
2024-03-04 13:54 ` Andi Shyti
2024-03-04 14:32 ` Théo Lebrun
2024-03-04 14:32 ` Théo Lebrun
2024-03-04 15:09 ` Andi Shyti
2024-03-04 15:09 ` Andi Shyti
2024-02-29 18:10 ` [PATCH v2 07/11] i2c: nomadik: replace jiffies by ktime for FIFO flushing timeout Théo Lebrun
2024-02-29 18:10 ` Théo Lebrun
2024-03-04 9:23 ` Wolfram Sang
2024-03-04 9:23 ` Wolfram Sang
2024-03-04 13:55 ` Andi Shyti
2024-03-04 13:55 ` Andi Shyti
2024-02-29 18:10 ` [PATCH v2 08/11] i2c: nomadik: fetch i2c-transfer-timeout-us property from devicetree Théo Lebrun
2024-02-29 18:10 ` Théo Lebrun
2024-02-29 21:04 ` Linus Walleij
2024-02-29 21:04 ` Linus Walleij
2024-03-04 9:25 ` Wolfram Sang [this message]
2024-03-04 9:25 ` Wolfram Sang
2024-03-04 13:57 ` Andi Shyti
2024-03-04 13:57 ` Andi Shyti
2024-02-29 18:10 ` [PATCH v2 09/11] i2c: nomadik: support Mobileye EyeQ5 I2C controller Théo Lebrun
2024-02-29 18:10 ` Théo Lebrun
2024-02-29 21:08 ` Linus Walleij
2024-02-29 21:08 ` Linus Walleij
2024-03-04 9:27 ` Wolfram Sang
2024-03-04 9:27 ` Wolfram Sang
2024-03-04 10:25 ` Théo Lebrun
2024-03-04 10:25 ` Théo Lebrun
2024-03-04 14:08 ` Andi Shyti
2024-03-04 14:08 ` Andi Shyti
2024-03-04 14:53 ` Théo Lebrun
2024-03-04 14:53 ` Théo Lebrun
2024-02-29 18:10 ` [PATCH v2 10/11] MIPS: mobileye: eyeq5: add 5 I2C controller nodes Théo Lebrun
2024-02-29 18:10 ` Théo Lebrun
2024-02-29 21:09 ` Linus Walleij
2024-02-29 21:09 ` Linus Walleij
2024-02-29 18:10 ` [PATCH v2 11/11] MIPS: mobileye: eyeq5: add evaluation board I2C temp sensor Théo Lebrun
2024-02-29 18:10 ` Théo Lebrun
2024-02-29 21:09 ` Linus Walleij
2024-02-29 21:09 ` Linus Walleij
2024-03-06 1:49 ` [PATCH v2 00/11] Add Mobileye EyeQ5 support to the Nomadik I2C controller & use hrtimers for timeouts Andi Shyti
2024-03-06 1:49 ` Andi Shyti
2024-03-06 9:34 ` Théo Lebrun
2024-03-06 9:34 ` Théo Lebrun
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