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authorMike Loptien <mike.loptien@se-eng.com>2013-03-15 13:36:25 -0600
committerStefan Reinauer <stefan.reinauer@coreboot.org>2013-03-17 19:55:29 +0100
commit60d84ca22b57ae5705c0659aa07a59a3407c094e (patch)
tree3bba04a5e3caa8b0cab10272f087e519c703db22 /src/ec
parent109c08e05ac482c72c541ae1a3e408a686c9fb03 (diff)
ASROCK Fam14 DSDT: Remove INI method from AZHD device
I am removing the _INI method from the AZHD device because it does not seem to do anything and causes errors in the FWTS[1] (Firmware Test Suite) test 'method'. The INI method performs device specific initialization and is run when OSPM loads a description table. It must only access OperationRegions that have been indicated as available by the _REG (Region) method. We do not have a _REG method and during my testing, I added a REG method but it did not seem to make a difference in the PCI register space. The bit fields defined as NSDI (Disable No Snoop), NSDO (Disable No Snoop Override), and NSEN (Enable No Snoop Request) do not ever get written from their default values. And writing to these bit fields does not seem to be necessary because I did not notice any change in audio functionality. In an effort to clean up as many FWTS errors as possible, I propose removing this method altogether. I have seen no change in operation (audio works with and without this method) and there does not seem to be any change in lspci or dmesg. FWTS information can be found here: [1]: https://wiki.ubuntu.com/Kernel/Reference/fwts This is the same change as made to Persimmon in Change-ID If8d86f: http://review.coreboot.org/#/c/2726/ Change-Id: Iae70c3d0af1cdaca31b206ad6daba4d38ee6b780 Signed-off-by: Mike Loptien <mike.loptien@se-eng.com> Reviewed-on: http://review.coreboot.org/2742 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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