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Date:   Mon, 11 Jan 2021 22:42:21 +0100
From:   Wolfram Sang <>
To:     Mikko Perttunen <>
Cc:,,,,,, Muhammed Fazal <>,
Subject: Re: [PATCH v2] i2c: tegra-bpmp: ignore DMA safe buffer flag

On Mon, Jan 11, 2021 at 05:58:16PM +0200, Mikko Perttunen wrote:
> From: Muhammed Fazal <>
> Ignore I2C_M_DMA_SAFE flag as it does not make a difference
> for bpmp-i2c, but causes -EINVAL to be returned for valid
> transactions.

I wonder if bailing out on an unknown flag shouldn't be revisited in
general? I mean this will happen again when a new I2C_M_* flag is

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