From: Wolfram Sang <wsa@kernel.org>
To: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"Ian Dannapel" <iansdannapel@gmail.com>,
linux@rempel-privat.de, Erik.Schumacher@iris-sensing.com,
shawnguo@kernel.org, s.hauer@pengutronix.de,
linux-kernel@vger.kernel.org,
Michael.Glembotzki@iris-sensing.com, linux-imx@nxp.com,
kernel@pengutronix.de, festevam@gmail.com,
linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org
Subject: Re: [PATCH] i2c: imx: remove unnecessary delay at startup
Date: Tue, 15 Mar 2022 08:44:05 +0100 [thread overview]
Message-ID: <YjBDxcTgdjGhWr6k@ninjato> (raw)
In-Reply-To: <20220315055935.GB14588@pengutronix.de>
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> Maybe. I do not see what exact problem is this sleep addressing. How
> exact the can get stable? Is it addressing some clock issue or wading
> until something happening on the bus?
Yeah, it is really hard to see why it is there. And given that the
introducing commit is from 2009, we can't really expect an active
userbase reporting breakage. So, although it may be a useless delay, I'd
like to see an opt-in approach for not using it.
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prev parent reply other threads:[~2022-03-15 7:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-14 9:59 [PATCH] i2c: imx: remove unnecessary delay at startup Ian Dannapel
2022-03-14 10:13 ` Uwe Kleine-König
2022-03-15 5:59 ` Oleksij Rempel
2022-03-15 7:44 ` Wolfram Sang [this message]
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