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Re: [PATCH 5/6] hw/char/exynos4210_uart: Add receive DMA support


From: Peter Maydell
Subject: Re: [PATCH 5/6] hw/char/exynos4210_uart: Add receive DMA support
Date: Fri, 17 Jan 2020 13:44:24 +0000

On Fri, 10 Jan 2020 at 20:39, Guenter Roeck <address@hidden> wrote:
>
> To support receive DMA, we need to inform the DMA controller if receive data
> is available. Otherwise the DMA controller keeps requesting data, causing
> receive errors.
>
> Implement this using an interrupt line. The instantiating code then needs
> to connect the interrupt with the matching DMA controller GPIO pin.
>
> Signed-off-by: Guenter Roeck <address@hidden>

Reviewed-by: Peter Maydell <address@hidden>

thanks
-- PMM



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