From patchwork Thu Mar 25 12:51:47 2010
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Subject: [1/1,v2] pata_via: HDD of VT6410/6415/6330 cannot be detected issue
Date: Thu, 25 Mar 2010 02:51:47 -0000
From: JosephChan@via.com.tw
X-Patchwork-Id: 48514
Message-Id: <9E058EE846170743AF7338FE064CB5AB38B477@exchtp04.taipei.via.com.tw>
To: <linux-ide@vger.kernel.org>, <stable@kernel.org>,
 <linux-kernel@vger.kernel.org>
Cc: <sshtylyov@mvista.com>, <jeff@garzik.org>, <tj@kernel.org>

When using VT6410/6415/6330 chips on some VIA's platforms, the HDD connects to VT6410/6415/6330 cannot be detected.
It is because the driver detects wrong via_isa_bridge ID, and then cause the this issue happen.
This patch will fix this problem.


Signed-off-by: Joseph Chan<josephchan@via.com.tw>


--- a/drivers/ata/pata_via.c	2010-03-16 06:00:01.000000000 -0400
+++ b/drivers/ata/pata_via.c	2010-03-25 08:47:15.000000000 -0400
@@ -576,6 +576,10 @@
 			u8 rev = isa->revision;
 			pci_dev_put(isa);
 
+			if ((id->device == 0x0415 || id->device == 0x3164) &&
+			      (config->id != id->device))
+				continue;
+
 			if (rev >= config->rev_min && rev <= config->rev_max)
 				break;
 		}