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Date:   Mon, 1 Feb 2021 23:13:51 +0100
From:   Wolfram Sang <wsa@the-dreams.de>
To:     Kevin Paul Herbert <kph@platinasystems.com>
Cc:     biwen.li@nxp.com, leoyang.li@nxp.com, linux@rempel-privat.de,
        kernel@pengutronix.de, shawnguo@kernel.org, s.hauer@pengutronix.de,
        festevam@gmail.com, aisheng.dong@nxp.com, xiaoning.wang@nxp.com,
        o.rempel@pengutronix.de, linux-i2c@vger.kernel.org,
        linux-kernel@vger.kernel.org, jiafei.pan@nxp.com,
        xiaobo.xie@nxp.com, linux-arm-kernel@lists.infradead.org,
        biwen.li@oss.nxp.com
Subject: Re: [PATCH] i2c-imx.c: Synthesize end of transaction events without
 idle interrupts
Message-ID: <20210201221351.GG24315@kunai>
Mail-Followup-To: Wolfram Sang <wsa@the-dreams.de>,
        Kevin Paul Herbert <kph@platinasystems.com>, biwen.li@nxp.com,
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        shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com,
        aisheng.dong@nxp.com, xiaoning.wang@nxp.com,
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References: <20201222194850.2274527-1-kph@platinasystems.com>
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On Tue, Dec 22, 2020 at 11:48:50AM -0800, Kevin Paul Herbert wrote:
> Only the Layerscape SoCs have interrupts on bus idle, which facilitate
> sending events which complete slave bus transactions.
>=20
> Add support for synthesizing missing events. If we see a master request,
> or a newly addressed slave request, if the last event sent to the backend
> was I2C_SLAVE_READ_REQUESTED, send the backend a I2C_SLAVE_READ_PROCESSED
> followed by I2C_SLAVE_STOP. For all other events, send an I2C_SLAVE_STOP.
>=20
> Signed-off-by: Kevin Paul Herbert <kph@platinasystems.com>

Applied to for-next, thanks!


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