From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heikki Krogerus Subject: [PATCHv2 3/5] serial: 8250_dw: Map IO memory Date: Mon, 3 Dec 2012 13:17:57 +0200 Message-ID: <1354533479-27306-4-git-send-email-heikki.krogerus@linux.intel.com> References: <1354533479-27306-1-git-send-email-heikki.krogerus@linux.intel.com> Return-path: In-Reply-To: <1354533479-27306-1-git-send-email-heikki.krogerus@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: Greg Kroah-Hartman Cc: Alan Cox , Jamie Iles , linux-serial@vger.kernel.org, LKML List-Id: linux-serial@vger.kernel.org This needs to be done in order to later access the Designware specific registers. Signed-off-by: Heikki Krogerus --- 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 ff83ea5..300bbed 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, regs->end - regs->start); + 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; -- 1.7.10.4