diff options
| author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2022-06-24 23:54:24 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-27 14:41:31 +0200 |
| commit | 34619de1b8cb52afa90bbeb3b4fbad34c28f19cf (patch) | |
| tree | 1e58b35ab75d393d556f2ee9f1a0e01e763eab83 /drivers/tty/serial/8250/8250_early.c | |
| parent | eb47b59afb7e46c952d7b03884245364990d4910 (diff) | |
serial: Consolidate BOTH_EMPTY use
Per file BOTH_EMPTY defines are littering our source code here and
there. Define once in serial.h and create helper for the check
too.
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220624205424.12686-7-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/8250/8250_early.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250_early.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c index e52585064565..f271becfc46c 100644 --- a/drivers/tty/serial/8250/8250_early.c +++ b/drivers/tty/serial/8250/8250_early.c @@ -84,8 +84,6 @@ static void serial8250_early_out(struct uart_port *port, int offset, int value) } } -#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) - static void serial_putc(struct uart_port *port, unsigned char c) { unsigned int status; @@ -94,7 +92,7 @@ static void serial_putc(struct uart_port *port, unsigned char c) for (;;) { status = serial8250_early_in(port, UART_LSR); - if ((status & BOTH_EMPTY) == BOTH_EMPTY) + if (uart_lsr_tx_empty(status)) break; cpu_relax(); } |