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Date:   Fri, 25 Oct 2019 12:00:00 +0200
From:   Lukasz Majewski <lukma@denx.de>
To:     Shawn Guo <shawnguo@kernel.org>
Cc:     linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        Mark Rutland <mark.rutland@arm.com>,
        Rob Herring <robh+dt@kernel.org>,
        Stefan Agner <stefan@agner.ch>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Robin Murphy <robin.murphy@arm.com>
Subject: Re: [PATCH v2] dts: Disable DMA support on the BK4 vf610 device's
 fsl_lpuart driver
Message-ID: <20191025120000.5dbb837d@jawa>
In-Reply-To: <20191025085515.GH3208@dragon>
References: <20191010090802.16383-1-lukma@denx.de>
        <20191025085515.GH3208@dragon>
Organization: denx.de
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Hi Shawn,

> On Thu, Oct 10, 2019 at 11:08:02AM +0200, Lukasz Majewski wrote:
> > This change disables the DMA support (RX/TX) on the NXP's fsl_lpuart
> > driver - the PIO mode is used instead. This change is necessary for
> > better robustness of BK4's device use cases with many potentially
> > interrupted short serial transfers.
> >=20
> > Without it the driver hangs when some distortion happens on UART
> > lines.
> >=20
> > Signed-off-by: Lukasz Majewski <lukma@denx.de>
> > Suggested-by: Robin Murphy <robin.murphy@arm.com> =20
>=20
> Subject prefix should be 'ARM: dts: ...'.  I fixed it up and applied
> the patch.
>=20
> Shawn

Thanks :-)


Best regards,

Lukasz Majewski

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