[PATCH v2 0/1] ahci: imx: setup power saving methods

Richard Zhu richard.zhuhongxing at gmail.com
Tue Oct 8 05:29:21 EDT 2013


v2: ahci: imx: setup power saving methods
 - kernel build option is replaced by the module parameter(ahci-imx.hp) 

v1: http://www.spinics.net/lists/linux-ide/msg46389.html
 * 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.

This patche is based on for-next branch of
"http://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git"


[v2] ahci: imx: setup power saving methods
drivers/ata/ahci_imx.c |   85 ++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 82 insertions(+), 3 deletions(-)



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