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authorSamuel Morris <samorris@lexmark.com>2018-05-29 10:06:12 +0000
committerTejun Heo <tj@kernel.org>2018-06-18 10:58:55 -0700
commitaece27a2f01be4bb7683790f69cd1bed3a0929a2 (patch)
tree7a54d8b35b74fe7df3f2e08755c2f01ef7d5f329 /drivers/ata/pata_via.c
parentata: ahci: rpm_put port on port_stop to match rpm_get in port_start (diff)
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ata: ahci_platform: allow disabling of hotplug to save power
A number of resources remain powered to support hotplug. On platforms I've worked with, allowing the ahci_platform to suspend saves about 150mW. This patch enables rpm and allows the device to be auto-suspended through sysfs. Signed-off-by: Samuel Morris <samorris@lexmark.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata/pata_via.c')
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