linux-kernel - [PATCH] ide-generic: jmicron fix

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Message-Id: <1159917920.17553.95.camel@localhost.localdomain>
Date:	Wed, 04 Oct 2006 00:25:20 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	linux-kernel@...r.kernel.org
Subject: [PATCH] ide-generic: jmicron fix

Some people find their Jmicron pata port reports its disabled even
though it has devices on it and was boot probed. Fix this

(Candidate for 2.6.18.*, less so for 2.6.19 as we've got a proper
jmicron driver on the merge for that to replace ide-generic support)

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.18-mm3/drivers/ide/pci/generic.c linux-2.6.18-mm3/drivers/ide/pci/generic.c
--- linux.vanilla-2.6.18-mm3/drivers/ide/pci/generic.c	2006-10-03 19:23:03.166273120 +0100
+++ linux-2.6.18-mm3/drivers/ide/pci/generic.c	2006-10-03 16:57:36.000000000 +0100
@@ -236,11 +236,13 @@
 
 	if (dev->vendor == PCI_VENDOR_ID_JMICRON && PCI_FUNC(dev->devfn) != 1)
 		goto out;
-
-	pci_read_config_word(dev, PCI_COMMAND, &command);
-	if (!(command & PCI_COMMAND_IO)) {
-		printk(KERN_INFO "Skipping disabled %s IDE controller.\n", d->name);
-		goto out;
+	
+	if (dev->vendor != PCI_VENDOR_ID_JMICRON) {
+		pci_read_config_word(dev, PCI_COMMAND, &command);
+		if (!(command & PCI_COMMAND_IO)) {
+			printk(KERN_INFO "Skipping disabled %s IDE controller.\n", d->name);
+			goto out;
+		}
 	}
 	ret = ide_setup_pci_device(dev, d);
 out:

-
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