From f93366ff9ac282fc01effe70df0dd84418f8344e Mon Sep 17 00:00:00 2001 From: Heikki Krogerus Date: Thu, 10 Jan 2013 11:25:07 +0200 Subject: [PATCH] serial: 8250_dw: Map IO memory This needs to be done in order to later access the Designware specific registers. Signed-off-by: Heikki Krogerus Reviewed-by: Jamie Iles Acked-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/8250/8250_dw.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index ff83ea518760..e1749012e8e3 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -111,10 +111,13 @@ static int dw8250_probe(struct platform_device *pdev) uart.port.irq = irq->start; uart.port.handle_irq = dw8250_handle_irq; uart.port.type = PORT_8250; - uart.port.flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF | UPF_IOREMAP | - UPF_FIXED_PORT; + uart.port.flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF | UPF_FIXED_PORT; uart.port.dev = &pdev->dev; + uart.port.membase = ioremap(regs->start, resource_size(regs)); + if (!uart.port.membase) + return -ENOMEM; + uart.port.iotype = UPIO_MEM; uart.port.serial_in = dw8250_serial_in; uart.port.serial_out = dw8250_serial_out; -- 2.39.5