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SubjectRe: [PATCH 1/4] tty: serial: extend lqasc_tx_ready() to lqasc_console_putchar()
On Tue, 27 Sep 2022, Jiri Slaby wrote:

> There is one more place where lqasc_tx_ready() can be used now:
> lqasc_console_putchar(). So replace the open-coded variant by the
> helper.
>
> Suggested-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
> Signed-off-by: Jiri Slaby <jslaby@suse.cz>

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

> ---
> drivers/tty/serial/lantiq.c | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/tty/serial/lantiq.c b/drivers/tty/serial/lantiq.c
> index 6da1b7496c6c..ba9739af30ed 100644
> --- a/drivers/tty/serial/lantiq.c
> +++ b/drivers/tty/serial/lantiq.c
> @@ -606,15 +606,12 @@ static const struct uart_ops lqasc_pops = {
> static void
> lqasc_console_putchar(struct uart_port *port, unsigned char ch)
> {
> - int fifofree;
> -
> if (!port->membase)
> return;
>
> - do {
> - fifofree = (__raw_readl(port->membase + LTQ_ASC_FSTAT)
> - & ASCFSTAT_TXFREEMASK) >> ASCFSTAT_TXFREEOFF;
> - } while (fifofree == 0);
> + while (!lqasc_tx_ready(port))
> + ;
> +
> writeb(ch, port->membase + LTQ_ASC_TBUF);
> }
>
>
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