lkml.org 
[lkml]   [2005]   [Jul]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] SERIAL: add MMIO support to 8250_pnp
Date
Add support for UARTs in MMIO space and clean up a little whitespace.

HP legacy-free ia64 machines need this.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>

Index: work/drivers/serial/8250_pnp.c
===================================================================
--- work.orig/drivers/serial/8250_pnp.c 2005-07-27 09:57:10.000000000 -0600
+++ work/drivers/serial/8250_pnp.c 2005-07-27 10:07:09.000000000 -0600
@@ -394,7 +394,7 @@
}

static int __devinit
-serial_pnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev_id)
+serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
{
struct uart_port port;
int ret, line, flags = dev_id->driver_data;
@@ -406,15 +406,23 @@
}

memset(&port, 0, sizeof(struct uart_port));
- port.irq = pnp_irq(dev,0);
- port.iobase = pnp_port_start(dev, 0);
+ port.irq = pnp_irq(dev, 0);
+ if (pnp_port_valid(dev, 0)) {
+ port.iobase = pnp_port_start(dev, 0);
+ port.iotype = UPIO_PORT;
+ } else if (pnp_mem_valid(dev, 0)) {
+ port.mapbase = pnp_mem_start(dev, 0);
+ port.iotype = UPIO_MEM;
+ port.flags = UPF_IOREMAP;
+ } else
+ return -ENODEV;

#ifdef SERIAL_DEBUG_PNP
- printk("Setup PNP port: port %x, irq %d, type %d\n",
- port.iobase, port.irq, port.iotype);
+ printk("Setup PNP port: port %x, mem 0x%lx, irq %d, type %d\n",
+ port.iobase, port.mapbase, port.irq, port.iotype);
#endif

- port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF;
+ port.flags |= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF;
port.uartclk = 1843200;
port.dev = &dev->dev;

@@ -426,7 +434,7 @@

}

-static void __devexit serial_pnp_remove(struct pnp_dev * dev)
+static void __devexit serial_pnp_remove(struct pnp_dev *dev)
{
long line = (long)pnp_get_drvdata(dev);
if (line)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2005-07-28 00:55    [from the cache]
©2003-2011 Jasper Spaans