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authorGreg Felix <gregfelixlkml@gmail.com>2005-07-28 15:54:15 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-07-28 15:54:15 -0400
commit7b6dbd6872ca1d0c03dc0e0a7108d79c8dafa793 (patch)
tree54160c4c0aa0970d3daa8b9a8f40c7a31f9527fe /drivers/net/gt96100eth.c
parent6b6a93c6876ea1c530d5d3f68e3678093a27fab0 (diff)
libata: Check PCI sub-class code before disabling AHCI
This patch adds functionality to check the PCI sub-class code of an AHCI capable device before disabling AHCI. It fixes a bug where an ICH7 sata controller is being setup by the BIOS as sub-class 1 (ide) and the AHCI control registers weren't being initialized, thus causing an IO error in piix_disable_ahci(). Signed-off-by: Gregory Felix <greg.felix@gmail.com>
Diffstat (limited to 'drivers/net/gt96100eth.c')
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