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authorRichard Zhu <r65037@freescale.com>2011-12-14 13:11:07 +0800
committerJason Liu <r64343@freescale.com>2012-01-09 21:10:56 +0800
commit45cf5693f4ac00e726e1502cb2bec41378d402eb (patch)
treef6779027fcd7756e733a3eaf6f515affa4f79775 /arch
parenta1f59a174840d38529e1bf709649ee10b2b188f4 (diff)
ENGR00170244-5 ARM: AHCI: Enable PDDQ mode on mx53 loco 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')
-rwxr-xr-xarch/arm/mach-mx5/board-mx53_loco.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
index 56f88d185a95..257933af0177 100755
--- a/arch/arm/mach-mx5/board-mx53_loco.c
+++ b/arch/arm/mach-mx5/board-mx53_loco.c
@@ -480,9 +480,9 @@ static int mx53_loco_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);