diff options
| author |   Jiri Slaby <jslaby@suse.cz> | 2022-09-27 13:18:16 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-30 14:58:45 +0200 |
| commit | d8544c9c7cf77100be9340c61a9e3e88fe4bb12c (patch) | |
| tree | 24c7ecd95900a8386fc49724e768a9884ae9eeab /drivers/tty | |
| parent | tty: serial: allow pxa.c to be COMPILE_TESTed (diff) | |
| download | linux-dev-d8544c9c7cf77100be9340c61a9e3e88fe4bb12c.tar.xz linux-dev-d8544c9c7cf77100be9340c61a9e3e88fe4bb12c.zip | |
tty: serial: extend lqasc_tx_ready() to lqasc_console_putchar()
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>
Link: https://lore.kernel.org/r/20220927111819.18516-1-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/lantiq.c | 9 |
1 files 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); } |