Re: [PATCH v2 4/4] hw/char/pl011: check if UART is enabled before RX or TX operation

[Peter Maydell]

On Tue, 17 Jan 2023 at 22:05, Evgeny Iakovlev
<eiakovlev@linux.microsoft.com> wrote:
>
> UART should be enabled in general and have RX enabled specifically to be
> able to receive data from peripheral device. Same goes for transmitting
> data to peripheral device and a TXE flag.
>
> Check if UART CR register has EN and RXE or TXE bits enabled before
> trying to receive or transmit data.
>
> Signed-off-by: Evgeny Iakovlev <eiakovlev@linux.microsoft.com>
> ---
>  hw/char/pl011.c | 22 +++++++++++++++++++---
>  1 file changed, 19 insertions(+), 3 deletions(-)

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM