Add the context save/restore for the control module register
used for OMAP4430 musb with UTMI embedded PHY interface.
Signed-off-by: Hema HK <hemahk@xxxxxx>
Cc: Felipe Balbi <balbi@xxxxxx>
Cc: Tony Lindgren <tony@xxxxxxxxxxx>
Cc: Paul Walmsley <paul@xxxxxxxxx>
---
arch/arm/mach-omap2/omap_phy_internal.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c
index c50441f..e2e605f 100644
--- a/arch/arm/mach-omap2/omap_phy_internal.c
+++ b/arch/arm/mach-omap2/omap_phy_internal.c
@@ -44,6 +44,7 @@
static struct clk *phyclk, *clk48m, *clk32k;
static void __iomem *ctrl_base;
+static int usbotghs_control;
int omap4430_phy_init(struct device *dev)
{
@@ -130,6 +131,9 @@ int omap4430_phy_suspend(struct device *dev, int suspend)
omap4430_phy_set_clk(dev, 0);
/* Power down the phy */
__raw_writel(PHY_PD, ctrl_base + CONTROL_DEV_CONF);
+
+ /* save the context */
+ usbotghs_control = __raw_readl(ctrl_base + USBOTGHS_CONTROL);
} else {
/* Enable the internel phy clcoks */
omap4430_phy_set_clk(dev, 1);
@@ -138,6 +142,9 @@ int omap4430_phy_suspend(struct device *dev, int suspend)
__raw_writel(~PHY_PD, ctrl_base + CONTROL_DEV_CONF);
mdelay(200);
}
+
+ /* restore the context */
+ __raw_writel(usbotghs_control, ctrl_base + USBOTGHS_CONTROL);
}
return 0;
--
1.7.0.4
--
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