linux-kernel - Re: r8169 on n2100 (was Re: r8169 mac address change (was Re: [0/3] 2.6.19-rc2: known regressions))

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Date:	Sun, 17 Dec 2006 00:52:45 +0100
From:	Lennert Buytenhek <buytenh@...tstofly.org>
To:	Francois Romieu <romieu@...zoreil.com>
Cc:	Martin Michlmayr <tbm@...ius.com>,
	Riku Voipio <riku.voipio@....fi>, linux-kernel@...r.kernel.org
Subject: Re: r8169 on n2100 (was Re: r8169 mac address change (was Re: [0/3] 2.6.19-rc2: known regressions))

On Sun, Dec 17, 2006 at 12:31:34AM +0100, Francois Romieu wrote:

> > Sounds good.  How about something like the patch below plus the
> > corresponding r8169 diff?
> 
> Go wild.

Martin/Riku, I'm pretty busy with other stuff at the moment, can you
give this (on top of 2.6.20-rc1) a spin?  


Index: linux-2.6.19/arch/arm/mach-iop32x/n2100.c
===================================================================
--- linux-2.6.19.orig/arch/arm/mach-iop32x/n2100.c
+++ linux-2.6.19/arch/arm/mach-iop32x/n2100.c
@@ -123,9 +123,13 @@ static struct hw_pci n2100_pci __initdat
 
 static int __init n2100_pci_init(void)
 {
-	if (machine_is_n2100())
+	if (machine_is_n2100()) {
 		pci_common_init(&n2100_pci);
 
+		pci_get_bus_and_slot(0, 0x08)->broken_parity_status = 1;
+		pci_get_bus_and_slot(0, 0x10)->broken_parity_status = 1;
+	}
+
 	return 0;
 }
 
Index: linux-2.6.19/drivers/net/r8169.c
===================================================================
--- linux-2.6.19.orig/drivers/net/r8169.c
+++ linux-2.6.19/drivers/net/r8169.c
@@ -225,7 +225,6 @@ MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl
 
 static int rx_copybreak = 200;
 static int use_dac;
-static int ignore_parity_err;
 static struct {
 	u32 msg_enable;
 } debug = { -1 };
@@ -471,8 +470,6 @@ module_param(use_dac, int, 0);
 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
 module_param_named(debug, debug.msg_enable, int, 0);
 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
-module_param_named(ignore_parity_err, ignore_parity_err, bool, 0);
-MODULE_PARM_DESC(ignore_parity_err, "Ignore PCI parity error as target. Default: false");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(RTL8169_VERSION);
 
@@ -2388,7 +2385,7 @@ static void rtl8169_pcierr_interrupt(str
 	 *
 	 * Feel free to adjust to your needs.
 	 */
-	if (ignore_parity_err)
+	if (pdev->broken_parity_status)
 		pci_cmd &= ~PCI_COMMAND_PARITY;
 	else
 		pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
-
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