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From: Wolfram Sang <wsa@kernel.org>
To: Rob Herring <robh@kernel.org>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>,
	Andreas Kemnade <andreas@kemnade.info>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	linux-omap@vger.kernel.org, linux-i2c@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	Linux ARM Mailing List <linux-arm-kernel@lists.infradead.org>,
	Tony Lindgren <tony@atomide.com>, Nishanth Menon <nm@ti.com>
Subject: Re: [PATCH v2] dt-bindings: i2c: Move i2c-omap.txt to YAML format
Date: Sat, 8 May 2021 00:02:57 +0200	[thread overview]
Message-ID: <20210507220257.GA1612@kunai> (raw)
In-Reply-To: <20210507214323.GB2902038@robh.at.kernel.org>

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> Actually, for DMA with I2C I'd like to see someone show a usecase 
> and data where it's actually beneficial. 

The usecase I mostly hear is transferring firmware from/to the i2c
client. Something up to 1MB sent in 64KB chunks. Haven't had this myself
on the desk, though.


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WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@kernel.org>
To: Rob Herring <robh@kernel.org>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>,
	Andreas Kemnade <andreas@kemnade.info>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	linux-omap@vger.kernel.org, linux-i2c@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	Linux ARM Mailing List <linux-arm-kernel@lists.infradead.org>,
	Tony Lindgren <tony@atomide.com>, Nishanth Menon <nm@ti.com>
Subject: Re: [PATCH v2] dt-bindings: i2c: Move i2c-omap.txt to YAML format
Date: Sat, 8 May 2021 00:02:57 +0200	[thread overview]
Message-ID: <20210507220257.GA1612@kunai> (raw)
In-Reply-To: <20210507214323.GB2902038@robh.at.kernel.org>


[-- Attachment #1.1: Type: text/plain, Size: 285 bytes --]


> Actually, for DMA with I2C I'd like to see someone show a usecase 
> and data where it's actually beneficial. 

The usecase I mostly hear is transferring firmware from/to the i2c
client. Something up to 1MB sent in 64KB chunks. Haven't had this myself
on the desk, though.


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

  reply	other threads:[~2021-05-07 22:03 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-06 14:00 [PATCH v2] dt-bindings: i2c: Move i2c-omap.txt to YAML format Vignesh Raghavendra
2021-05-06 14:00 ` Vignesh Raghavendra
2021-05-06 18:55 ` Nishanth Menon
2021-05-06 18:55   ` Nishanth Menon
2021-05-07  6:54 ` Grygorii Strashko
2021-05-07  6:54   ` Grygorii Strashko
2021-05-07 14:15   ` Vignesh Raghavendra
2021-05-07 14:15     ` Vignesh Raghavendra
2021-05-07 14:36     ` Andreas Kemnade
2021-05-07 14:36       ` Andreas Kemnade
2021-05-07 17:24       ` Grygorii Strashko
2021-05-07 17:24         ` Grygorii Strashko
2021-05-07 21:43         ` Rob Herring
2021-05-07 21:43           ` Rob Herring
2021-05-07 22:02           ` Wolfram Sang [this message]
2021-05-07 22:02             ` Wolfram Sang
2021-05-10 11:06         ` Vignesh Raghavendra
2021-05-10 11:06           ` Vignesh Raghavendra
2021-05-26  6:52           ` Tony Lindgren
2021-05-26  6:52             ` Tony Lindgren
2021-05-07 21:19 ` Rob Herring
2021-05-07 21:19   ` Rob Herring

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