diff options
| author | Richard Zhu <r65037@freescale.com> | 2011-12-14 13:11:39 +0800 |
|---|---|---|
| committer | Richard Zhu <r65037@freescale.com> | 2011-12-15 10:14:17 +0800 |
| commit | 7d1547c3125e40b6fc4c8340529c5e5e441a9a71 (patch) | |
| tree | 6547d8d9230698b6573d4f9928fceb1085f727cb /arch | |
| parent | c82f51202ddb67576fe916d056a653445fcdecf4 (diff) | |
ENGR00170244-6 ARM: AHCI: Enable PDDQ mode on mx53 smd board
In order to save the power consumption, enable the
PDDQ mode of AHCI PHY when there is no sata disk
on the port
Signed-off-by: Richard Zhu <r65037@freescale.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mx5/board-mx53_smd.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/mach-mx5/board-mx53_smd.c b/arch/arm/mach-mx5/board-mx53_smd.c index 3f7091c4cdda..50fec0737b36 100644 --- a/arch/arm/mach-mx5/board-mx53_smd.c +++ b/arch/arm/mach-mx5/board-mx53_smd.c @@ -558,9 +558,9 @@ static int mx53_smd_sata_init(struct device *dev, void __iomem *addr) tmpdata = clk_get_rate(clk) / 1000; clk_put(clk); - sata_init(addr, tmpdata); - - return ret; + ret = sata_init(addr, tmpdata); + if (ret == 0) + return ret; release_sata_ref_clk: clk_disable(sata_ref_clk); |