Date:   Fri, 3 Feb 2023 17:35:29 +0100
From:   Wolfram Sang <wsa@kernel.org>
To:     Manikanta Guntupalli <manikanta.guntupalli@amd.com>
Cc:     michal.simek@xilinx.com, michal.simek@amd.com,
        devicetree@vger.kernel.org, andrew@lunn.ch, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org,
        linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org,
        linux-kernel@vger.kernel.org, git@amd.com, srinivas.goud@amd.com,
        shubhrajyoti.datta@amd.com, manion05gk@gmail.com,
        Raviteja Narayanam <raviteja.narayanam@xilinx.com>
Subject: Re: [PATCH V4 2/9] i2c: xiic: Fix Rx and Tx paths in standard mode
Message-ID: <Y9030UKPcfMZDUa7@shikoro>
Mail-Followup-To: Wolfram Sang <wsa@kernel.org>,
        Manikanta Guntupalli <manikanta.guntupalli@amd.com>,
        michal.simek@xilinx.com, michal.simek@amd.com,
        devicetree@vger.kernel.org, andrew@lunn.ch, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org,
        linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org,
        linux-kernel@vger.kernel.org, git@amd.com, srinivas.goud@amd.com,
        shubhrajyoti.datta@amd.com, manion05gk@gmail.com,
        Raviteja Narayanam <raviteja.narayanam@xilinx.com>
References: <1675330898-563-1-git-send-email-manikanta.guntupalli@amd.com>
 <1675330898-563-3-git-send-email-manikanta.guntupalli@amd.com>
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On Thu, Feb 02, 2023 at 03:11:31PM +0530, Manikanta Guntupalli wrote:
> From: Raviteja Narayanam <raviteja.narayanam@xilinx.com>
>=20
> repeated start
>=20
> When a combined message request comes from user space, the
> controller has to initiate repeated start sequence. In standard
> mode, this repeated start sequence is corrupted if there is still
> data in the Tx FIFO.
>=20
> So, always make sure that all the bytes are completely transmitted
> out of the FIFO by waiting for TXEMPTY, if the previous message is
> of Tx type.
>=20
> Signed-off-by: Raviteja Narayanam <raviteja.narayanam@xilinx.com>
> Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@amd.com>
> Acked-by: Michal Simek <michal.simek@amd.com>

Applied to for-next, thanks!


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