From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wolfram Sang <wsa@the-dreams.de>
Subject: Re: [PATCH v2] Input: elants_i2c - Use DMA safe i2c when possible
Date: Thu, 11 Oct 2018 09:29:53 +0200
Message-ID: <20181011072953.ddkemhnntjisli3q@katana>
References: <20181010200017.255874-1-swboyd@chromium.org>
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In-Reply-To: <20181010200017.255874-1-swboyd@chromium.org>
Sender: linux-kernel-owner@vger.kernel.org
To: Stephen Boyd <swboyd@chromium.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org
List-Id: linux-input@vger.kernel.org


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On Wed, Oct 10, 2018 at 01:00:17PM -0700, Stephen Boyd wrote:
> This irq handler is always reading bytes from the device into a
> kmalloced buffer, so it's safe to mark this transaction as DMA safe.
> This avoids bouncing the buffer when an i2c controller decides to use
> DMA for a transaction.
>=20
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Signed-off-by: Stephen Boyd <swboyd@chromium.org>

For the record:

Acked-by: Wolfram Sang <wsa@the-dreams.de>


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