[PATCH 8/9] serial: max310x: use new UPIO_BUS as iotype

Hugo Villeneuve
2026-04-23T20:15:17Z

Now that we have a new UPIO_BUS I/O type, use it to register our serial
port and remove obscure membase/iobase workaround.

Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
---
drivers/tty/serial/max310x.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index ac7d3f197c3a5ce3531d5607f48e21a807314021..cd0496e307091dae1f53911abf86726f52d5770d 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1380,14 +1380,7 @@ static int max310x_probe(struct device *dev, const struct max310x_devtype *devty
s->p[i].port.type = PORT_MAX310X;
s->p[i].port.fifosize = MAX310X_FIFO_SIZE;
s->p[i].port.flags = UPF_FIXED_TYPE | UPF_LOW_LATENCY;
- s->p[i].port.iotype = UPIO_PORT;
- s->p[i].port.iobase = i;
- /*
- * Use all ones as membase to make sure uart_configure_port() in
- * serial_core.c does not abort for SPI/I2C devices where the
- * membase address is not applicable.
- */
- s->p[i].port.membase = (void __iomem *)~0;
+ s->p[i].port.iotype = UPIO_BUS;
s->p[i].port.uartclk = uartclk;
s->p[i].port.rs485_config = max310x_rs485_config;
s->p[i].port.rs485_supported = max310x_rs485_supported;

--
2.47.3