In order to save power consumption amap. * Disable sata phy internal pll reference clock when sysetem enter into suspend mode, enable it after resume. * Enter into test power down mode when there is no sata disk detected on the port and 'AHCI_IMX_PHY_POWER_DOWN_MODE' is enabled. [v1] ahci: imx: setup power saving methods drivers/ata/Kconfig | 8 +++++ drivers/ata/ahci_imx.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++-- 2 files changed, 83 insertions(+), 3 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
