From: Andi Shyti <andi.shyti@kernel.org>
To: "Théo Lebrun" <theo.lebrun@bootlin.com>
Cc: Linus Walleij <linus.walleij@linaro.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 v3 03/11] i2c: nomadik: simplify IRQ masking logic
Date: Fri, 8 Mar 2024 00:01:48 +0100 [thread overview]
Message-ID: <422szb2dtgnq56xznfqsqtqs3dai2jipnntrp6yb2og353whs7@g4ia5ynnmqu6> (raw)
In-Reply-To: <20240306-mbly-i2c-v3-3-605f866aa4ec@bootlin.com>
Hi Theo,
On Wed, Mar 06, 2024 at 06:59:23PM +0100, Théo Lebrun wrote:
> IRQ_MASK and I2C_CLEAR_ALL_INTS both mask available interrupts. IRQ_MASK
> removes top options (bits 29-31). I2C_CLEAR_ALL_INTS removes reserved
> options including top bits. Keep the latter.
>
> 31 29 27 25 23 21 19 17 15 13 11 09 07 05 03 01
> 30 28 26 24 22 20 18 16 14 12 10 08 06 04 02 00
> --- IRQ_MASK: --------------------------------------------------
> 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
> 0 0 0
> --- I2C_CLEAR_ALL_INTS: ----------------------------------------
> 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
>
> Notice I2C_CLEAR_ALL_INTS is more restrictive than IRQ_MASK.
>
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
> Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
You did answer my question in v2, thanks, Theo!
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Andi
next prev parent reply other threads:[~2024-03-07 23:01 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-06 17:59 [PATCH v3 00/11] Add Mobileye EyeQ5 support to the Nomadik I2C controller & use hrtimers for timeouts Théo Lebrun
2024-03-06 17:59 ` [PATCH v3 01/11] dt-bindings: i2c: nomadik: add mobileye,eyeq5-i2c bindings and example Théo Lebrun
2024-03-06 19:36 ` Rob Herring
2024-03-06 20:17 ` Rob Herring
2024-03-06 17:59 ` [PATCH v3 02/11] i2c: nomadik: rename private struct pointers from dev to priv Théo Lebrun
2024-03-06 17:59 ` [PATCH v3 03/11] i2c: nomadik: simplify IRQ masking logic Théo Lebrun
2024-03-07 23:01 ` Andi Shyti [this message]
2024-03-08 8:57 ` Théo Lebrun
2024-03-08 12:27 ` Andi Shyti
2024-03-08 13:33 ` Théo Lebrun
2024-03-06 17:59 ` [PATCH v3 04/11] i2c: nomadik: use bitops helpers Théo Lebrun
2024-03-07 23:04 ` Andi Shyti
2024-03-06 17:59 ` [PATCH v3 05/11] i2c: nomadik: support short xfer timeouts using waitqueue & hrtimer Théo Lebrun
2024-03-06 17:59 ` [PATCH v3 06/11] i2c: nomadik: replace jiffies by ktime for FIFO flushing timeout Théo Lebrun
2024-03-06 17:59 ` [PATCH v3 07/11] i2c: nomadik: fetch i2c-transfer-timeout-us property from devicetree Théo Lebrun
2024-03-06 17:59 ` [PATCH v3 08/11] i2c: nomadik: support Mobileye EyeQ5 I2C controller Théo Lebrun
2024-03-07 23:11 ` Andi Shyti
2024-03-08 9:16 ` Théo Lebrun
2024-03-08 12:28 ` Andi Shyti
2024-03-08 22:54 ` Andi Shyti
2024-03-11 8:59 ` Théo Lebrun
2024-03-06 17:59 ` [PATCH v3 09/11] i2c: nomadik: sort includes Théo Lebrun
2024-03-06 19:51 ` Linus Walleij
2024-03-07 23:11 ` Andi Shyti
2024-03-06 17:59 ` [PATCH v3 10/11] MIPS: mobileye: eyeq5: add 5 I2C controller nodes Théo Lebrun
2024-03-08 12:25 ` Andi Shyti
2024-03-06 17:59 ` [PATCH v3 11/11] MIPS: mobileye: eyeq5: add evaluation board I2C temp sensor Théo Lebrun
2024-03-08 12:26 ` Andi Shyti
2024-03-08 22:52 ` (subset) [PATCH v3 00/11] Add Mobileye EyeQ5 support to the Nomadik I2C controller & use hrtimers for timeouts Andi Shyti
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