[PATCH] USB: USB_OTG does not depend on PM

[Arnd Bergmann]

USB_OTG initially depended on USB_SUSPEND, which was later turned into
PM_RUNTIME and finally into PM. I don't know at what point the dependency
became unnecessary but it appears to work fine without CONFIG_PM now.

However, we get lots of warnings in randconfig kernels like:

warning: (USB_OTG_FSM && FSL_USB2_OTG && USB_MV_OTG) selects USB_OTG which has unmet direct dependencies (USB_SUPPORT && USB && PM)

whenever CONFIG_PM is disabled and something else selects USB_OTG.
Let's just drop the dependency to avoid the warnings.

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
I keep seeing this one in my ARM randconfig test

diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
index a99c89e78126..9c5cdf30ca74 100644
--- a/drivers/usb/core/Kconfig
+++ b/drivers/usb/core/Kconfig
@@ -43,7 +43,6 @@ config USB_DYNAMIC_MINORS
 
 config USB_OTG
 	bool "OTG support"
-	depends on PM
 	default n
 	help
 	  The most notable feature of USB OTG is support for a

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