Tony Lindgren 7e1a0ec065 usb: phy: twl4030-usb: Fix regressions to runtime PM on omaps ... commit 96be39ab34 upstream. Commit 30a70b026b ("usb: musb: fix obex in g_nokia.ko causing kernel panic") attempted to fix runtime PM handling for PHYs that are on the I2C bus. Commit 3063a12be2 ("usb: musb: fix PHY power on/off") then changed things around to enable of PHYs that rely on runtime PM. These changes however broke idling of the PHY and causes at least 100 mW extra power consumption on omaps, which is a lot with the idle power consumption being below 10 mW range on many devices. As calling phy_power_on/off from runtime PM calls in the USB causes complicated issues with I2C connected PHYs, let's just let the PHY do it's own runtime PM as needed. This leaves out the dependency between PHYs and USB controller drivers for runtime PM. Let's fix the regression for twl4030-usb by adding minimal runtime PM support. This allows idling the PHY on disconnect. Note that we are changing to use standard runtime PM handling for twl4030_phy_init() as that function just checks the state and does not initialize the PHY. The PHY won't get initialized until in twl4030_phy_power_on(). Fixes: 30a70b026b ("usb: musb: fix obex in g_nokia.ko causing kernel panic") Fixes: 3063a12be2 ("usb: musb: fix PHY power on/off") Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2014-10-05 14:52:14 -07:00
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Kconfig
Makefile
phy-bcm-kona-usb2.c
phy-core.c
phy-exynos-dp-video.c
phy-exynos-mipi-video.c
phy-mvebu-sata.c
phy-omap-usb2.c
phy-twl4030-usb.c	usb: phy: twl4030-usb: Fix regressions to runtime PM on omaps	2014-10-05 14:52:14 -07:00