Re: [PATCH v2] dts: Disable DMA support on the BK4 vf610 device's fsl_lpuart driver

From: Lukasz Majewski
Date: Fri Oct 25 2019 - 06:00:14 EST


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.
> >
> > Without it the driver hangs when some distortion happens on UART
> > lines.
> >
> > Signed-off-by: Lukasz Majewski <lukma@xxxxxxx>
> > Suggested-by: Robin Murphy <robin.murphy@xxxxxxx>
>
> Subject prefix should be 'ARM: dts: ...'. I fixed it up and applied
> the patch.
>
> Shawn

Thanks :-)


Best regards,

Lukasz Majewski

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