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From: Wolfram Sang <wsa@kernel.org>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Gregor Riepl <onitake@gmail.com>,
	linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Kamal Dasu <kamal.dasu@broadcom.com>,
	Broadcom internal kernel review list
	<bcm-kernel-feedback-list@broadcom.com>,
	Andi Shyti <andi.shyti@kernel.org>,
	Florian Fainelli <florian.fainelli@broadcom.com>
Subject: Re: [PATCH] i2c: brcmstb: Add support for atomic transfers
Date: Wed, 11 Oct 2023 16:48:50 +0200	[thread overview]
Message-ID: <ZSa10t1kdUBfiVhR@ninjato> (raw)
In-Reply-To: <b4b91fb3-07b0-41c2-a97c-d1a045924fdc@samsung.com>


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> I guess that i2c core takes care of NOT multiplexing atomic and standard 
> i2c transfers.

Atomic transfers are only used iff the system is in a certain state,
check i2c_in_atomic_xfer_mode(). Then and only then, transfers are
atomic. All of them. Neither bus drivers nor clients can choose them.


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  reply	other threads:[~2023-10-11 14:49 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20231006144123eucas1p111cbbdbd70927ffbd697f7edf6b7ae1c@eucas1p1.samsung.com>
2023-10-06 14:41 ` [PATCH] i2c: brcmstb: Add support for atomic transfers Marek Szyprowski
2023-10-09 20:41   ` Florian Fainelli
2023-10-11  9:57     ` Marek Szyprowski
2023-10-11 15:43       ` Florian Fainelli
2023-10-11 10:23   ` Gregor Riepl
2023-10-11 11:47     ` Marek Szyprowski
2023-10-11 14:48       ` Wolfram Sang [this message]
2023-10-11 13:40   ` Andi Shyti

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