1ATA_DEV_ENABLE_PM(9)         libata Core Internals        ATA_DEV_ENABLE_PM(9)
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NAME

6       ata_dev_enable_pm - enable SATA interface power management
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SYNOPSIS

9       void ata_dev_enable_pm(struct ata_device * dev, enum link_pm policy);
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ARGUMENTS

12       dev
13           device to enable power management
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15       policy
16           the link power management policy
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DESCRIPTION

19       Enable SATA Interface power management. This will enable Device
20       Interface Power Management (DIPM) for min_power policy, and then call
21       driver specific callbacks for enabling Host Initiated Power management.
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LOCKING

24       Caller.
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RETURNS

27       -EINVAL if IPM is not supported, 0 otherwise.
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AUTHOR

30       Jeff Garzik
31           Author.
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34Kernel Hackers Manual 2.6.         June 2019              ATA_DEV_ENABLE_PM(9)
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