Messages in this thread Patch in this message | | | Subject | [PATCH] sata-via: enable magic transmission fix for vt6420 | From | Peter Zijlstra <> | Date | Sun, 14 Nov 2010 13:31:51 +0100 |
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I was able to reproduce and test the transmission error on vt6420 hardware with the 2G WD drives. Adding the controller ID to this fix seems to result in a properly working system.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> --- drivers/ata/sata_via.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c index 4730c42..2822492 100644 --- a/drivers/ata/sata_via.c +++ b/drivers/ata/sata_via.c @@ -577,7 +577,7 @@ static void svia_configure(struct pci_dev *pdev) } /* - * vt6421 has problems talking to some drives. The following + * vt642[01] has problems talking to some drives. The following * is the fix from Joseph Chan <JosephChan@via.com.tw>. * * When host issues HOLD, device may send up to 20DW of data @@ -597,7 +597,7 @@ static void svia_configure(struct pci_dev *pdev) * https://bugzilla.kernel.org/show_bug.cgi?id=15173 * http://article.gmane.org/gmane.linux.ide/46352 */ - if (pdev->device == 0x3249) { + if (pdev->device == 0x3249 || pdev->device == 0x3149) { pci_read_config_byte(pdev, 0x52, &tmp8); tmp8 |= 1 << 2; pci_write_config_byte(pdev, 0x52, tmp8);
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