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authorBjorn Helgaas <bhelgaas@google.com>2015-06-24 20:46:38 (GMT)
committerBjorn Helgaas <bhelgaas@google.com>2015-07-14 18:40:11 (GMT)
commiteefaf338820ecd3fb14da496f8a740612257a341 (patch)
tree39cdf37d303eec70a3de68594051d3d5601d2996 /drivers/pci/probe.c
parentd1541dc977d376406f4584d8eb055488655c98ec (diff)
downloadlinux-eefaf338820ecd3fb14da496f8a740612257a341.tar.xz
PCI: Revert aeb30016fec3 ("PCI: add Intel USB specific reset method")
Revert aeb30016fec3 ("PCI: add Intel USB specific reset method"). We checked for "dev->class == PCI_CLASS_SERIAL_USB", but dev->class contains the entire three-byte base class/sub-class/interface, while PCI_CLASS_SERIAL_USB is only the two-byte base class/sub-class. This error meant that we used the Intel device-specific reset on devices with class code 0x000c03 instead of those with class code 0x0c03xx. 0x000c03 is a reserved value in the 0x00 backwards compatibility base class and shouldn't match any devices, so I think reset_intel_generic_dev() always failed. I considered adding a shift, but I can't test it, so it's as likely to break something as to fix something. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: Yu Zhao <yu.zhao@intel.com> CC: Mathias Nyman <mathias.nyman@intel.com>
Diffstat (limited to 'drivers/pci/probe.c')
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