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authorTejun Heo <htejun@gmail.com>2006-11-02 04:17:23 +0100
committerJeff Garzik <jeff@garzik.org>2006-12-02 04:41:31 +0100
commit98fa4b60c673526fdd478d9719e41cd9e2b84986 (patch)
tree696cb1f0d19bbda6dc9030eb11e4b2754472dfaa /drivers/ata/sata_sis.c
parent[PATCH] pdc202xx_old: Fix name clashes with PA-RISC (diff)
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[PATCH] ahci: preserve PORTS_IMPL over host resets
Instead of writing 0xf blindly, preserve the content of write-once PORTS_IMPL register over host resets. This patch is taken from Jeff Garzik's AHCI init update patch. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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