Re: [PATCH V3 5/6] tty: serial: meson: meson_uart_shutdown omit clear AML_UART_TX_EN bit

[Martin Blumenstingl]

On Thu, Dec 30, 2021 at 11:22 AM Yu Tu <yu.tu@xxxxxxxxxxx> wrote:
[...]
>         val = readl(port->membase + AML_UART_CONTROL);
> -       val &= ~AML_UART_RX_EN;
> +       val &= ~(AML_UART_RX_EN | AML_UART_TX_EN);
>         val &= ~(AML_UART_RX_INT_EN | AML_UART_TX_INT_EN);
>         writel(val, port->membase + AML_UART_CONTROL);
This looks fine to me but I think it would be good to Cc the author of
commit 855ddcab352c15 ("ARM: meson: serial: only disable tx irq on
stop")
The meson_uart driver which Carlo added eight years ago did clear
AML_UART_TX_EN here, but it was changed with the commit I mentioned
above.


Best regards,
Martin