On Tue, Jul 07, 2026 at 03:22:43PM +0530, Balaji Selvanathan wrote:
> Add IRQ status validation to distinguish legitimate UART data from
> electrical noise in the RX FIFO.
>
> When the UART cable is disconnected, the floating RX line can pick up
> noise that the GENI hardware interprets as valid data and places in
> the FIFO. So, check the RX IRQ status register for RX watermark or last
> flags before reporting pending data.
>
> Signed-off-by: Balaji Selvanathan <[email protected]>

Reviewed-by: Varadarajan Narayanan <[email protected]>

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