[PATCH v2 5/8] serial: 8250: Simplify serial8250_match_port()

Uwe Kleine-König (The Capable Hub) <[email protected]> Tue, 4 Aug 2026 10:57:57 +0200
Newsgroups gmane.linux.serial,gmane.linux.kernel
Message-ID <ffdccf0570be9c48736e117dcb554e48e658cbb0.1785832297.git.u.kleine-koenig@baylibre.com>
For 8250 devices .iotype is never UPIO_BUS, so drop the respective if
branch.

Suggested-by: Hugo Villeneuve <[email protected]>
Link: https://lore.kernel.org/linux-serial/[email protected]
Signed-off-by: Uwe Kleine-König (The Capable Hub) <[email protected]>
---
 drivers/tty/serial/8250/8250_core.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 3e53ef54ad7d..f113f8d5d158 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -649,8 +649,6 @@ static bool serial8250_match_port(const struct uart_port *port1,
 		return hub6_match_port(port1, port2);
 	else if (uart_iotype_mmio(port1->iotype))
 		return port1->mapbase == port2->mapbase;
-	else if (port1->iotype == UPIO_BUS)
-		return true;
 	else
 		return false;
 }
-- 
2.55.0.11.g153666a7d9bb