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From: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>
To: Russell King <rmk@arm.linux.org.uk>
Cc: linux-serial@vger.kernel.org, ambx1@neo.rr.com
Subject: Re: [PATCH] make 8250_pnp use pnp_manual_config_dev()
Date: Tue, 10 May 2005 10:07:15 -0300	[thread overview]
Message-ID: <20050510130715.GF3907@cathedrallabs.org> (raw)
In-Reply-To: <20050510135128.C3358@flint.arm.linux.org.uk>

[-- Attachment #1: Type: text/plain, Size: 580 bytes --]

> > Hi,
> > 	this patch makes 8250_pnp use pnp_manual_config_dev() so
> > 	pnp_reserve_{io,irq} option will be valid for serial ports too.
> > 	Please consider applying
> 
> Please copy this to Adam Belay.  There are some problems with PNP
> serial ports because they can clash with with standard addresses
> for x86 ports.
> 
> We don't particularly want to reconfigure the standard x86 ports
> to some other addresses just because we've already detected them
> and claimed their resources external to PNP.
OK, adding Adam Belay to CC and attaching the patch again.

--
Aristeu


[-- Attachment #2: 8250_pnp-use_pnp_manual_config_dev.patch --]
[-- Type: text/plain, Size: 949 bytes --]

o Use pnp_manual_config_dev()

Signed-off-by: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>

Index: 2.6/drivers/serial/8250_pnp.c
===================================================================
--- 2.6.orig/drivers/serial/8250_pnp.c	2005-05-09 17:33:05.000000000 -0300
+++ 2.6/drivers/serial/8250_pnp.c	2005-05-09 17:33:59.000000000 -0300
@@ -397,6 +397,7 @@
 serial_pnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev_id)
 {
 	struct uart_port port;
+	struct pnp_resource_table table;
 	int ret, line, flags = dev_id->driver_data;
 
 	if (flags & UNKNOWN_DEV) {
@@ -418,6 +419,13 @@
 	port.uartclk = 1843200;
 	port.dev = &dev->dev;
 
+	pnp_init_resource_table(&table);
+	pnp_resource_change(&table.port_resource[0], port.iobase, 8);
+	pnp_resource_change(&table.irq_resource[0], port.irq, 1);
+
+	if (pnp_manual_config_dev(dev, &table, 0))
+		return -ENODEV;
+
 	line = serial8250_register_port(&port);
 
 	if (line >= 0)

  reply	other threads:[~2005-05-10 13:31 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-10 12:15 [PATCH] make 8250_pnp use pnp_manual_config_dev() Aristeu Sergio Rozanski Filho
2005-05-10 12:51 ` Russell King
2005-05-10 13:07   ` Aristeu Sergio Rozanski Filho [this message]
2005-05-11 20:24     ` Adam Belay
2005-05-11 20:48       ` Aristeu Sergio Rozanski Filho

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