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Message-Id: <20091217011558.346236779@mini.kroah.org>
Date: Wed, 16 Dec 2009 17:14:15 -0800
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,
Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>
Subject: [04/90] ALSA: hda - Terradici HDA controllers does not support 64-bit mode
2.6.31-stable review patch. If anyone has any objections, please let us know.
------------------
From: Jaroslav Kysela <perex@...ex.cz>
commit 396087eaead95fcb29eb36f1e59517aeb58c545e upstream.
Confirmed from vendor and tests in RedHat bugzilla #536782 .
Signed-off-by: Jaroslav Kysela <perex@...ex.cz>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
sound/pci/hda/hda_intel.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2392,6 +2392,11 @@ static int __devinit azx_create(struct s
}
}
+ /* disable 64bit DMA address for Teradici */
+ /* it does not work with device 6549:1200 subsys e4a2:040b */
+ if (chip->driver_type == AZX_DRIVER_TERA)
+ gcap &= ~ICH6_GCAP_64OK;
+
/* allow 64bit DMA address if supported by H/W */
if ((gcap & ICH6_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64)))
pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(64));
--
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