linux-kernel - [156/156] pata_via: fix VT6410/6415/6330 detection issue

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Message-Id: <20100330224901.391243378@linux.site>
Date:	Tue, 30 Mar 2010 15:43:10 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Joseph Chan <josephchan@....com.tw>,
	Jeff Garzik <jgarzik@...hat.com>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [156/156] pata_via: fix VT6410/6415/6330 detection issue

2.6.33-stable review patch.  If anyone has any objections, please let us know.

------------------

From: JosephChan@....com.tw <JosephChan@....com.tw>

commit bc8a67386fd462914269fa93446e1891955a8bb3 upstream.

When using VT6410/6415/6330 chips on some VIA's platforms, the HDD
connection to VT6410/6415/6330 cannot be detected.

It is because the driver detects wrong via_isa_bridge ID, and then
causes this issue to happen.

Signed-off-by: Joseph Chan <josephchan@....com.tw>
Signed-off-by: Jeff Garzik <jgarzik@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/ata/pata_via.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/ata/pata_via.c
+++ b/drivers/ata/pata_via.c
@@ -588,6 +588,10 @@ static int via_init_one(struct pci_dev *
 			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;
 		}


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