| Date | Wed, 16 Dec 2009 17:14:15 -0800 | From | Greg KH <> | Subject | [04/90] ALSA: hda - Terradici HDA controllers does not support 64-bit mode |
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2.6.31-stable review patch. If anyone has any objections, please let us know.
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From: Jaroslav Kysela <perex@perex.cz>
commit 396087eaead95fcb29eb36f1e59517aeb58c545e upstream.
Confirmed from vendor and tests in RedHat bugzilla #536782 .
Signed-off-by: Jaroslav Kysela <perex@perex.cz> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.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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