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authorMyron Stowe <mstowe@redhat.com>2011-10-28 23:48:38 +0200
committerJesse Barnes <jbarnes@virtuousgeek.org>2012-01-06 21:10:42 +0100
commit96c5590058d7fded14f43af2ab521436cecf3125 (patch)
tree673577f86b1ee8886c27cc86333fdfdc6cc783ac /net/key
parentPCI: Xtensa: convert pcibios_set_master() to a non-inlined function (diff)
downloadlinux-96c5590058d7fded14f43af2ab521436cecf3125.tar.xz
linux-96c5590058d7fded14f43af2ab521436cecf3125.zip
PCI: Pull PCI 'latency timer' setup up into the core
The 'latency timer' of PCI devices, both Type 0 and Type 1, is setup in architecture-specific code [see: 'pcibios_set_master()']. There are two approaches being taken by all the architectures - check if the 'latency timer' is currently set between 16 and 255 and if not bring it within bounds, or, do nothing (and then there is the gratuitously different PA-RISC implementation). There is nothing architecture-specific about PCI's 'latency timer' so this patch pulls its setup functionality up into the PCI core by creating a generic 'pcibios_set_master()' function using the '__weak' attribute which can be used by all architectures as a default which, if necessary, can then be over-ridden by architecture-specific code. No functional change. Signed-off-by: Myron Stowe <myron.stowe@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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