On Wed, 2013-07-31 at 19:57 +0800, Nishanth Menon wrote: > > If you notice the reference code I send, atleast on TWL6035/37 variants > of Palmas, USB IRQ unmask is mandatory for power on with USB cable - > example usage scenario: extremely low battery, device powered off, plug > in usb cable to restart charging - you'd like to initiate charging logic > in bootloader, but that wont work if the device does not do OFF-ON > transition with usb cable plugged in for vbus. > Why do we need to add Palmas USB_IRQ unmask logic in shutdown? Does that mean for all platform using Palmas has to unmask USB IRQ (including those do not power vbus through Palmas)? Can't we just have a simple shutdown function but have the VBus programming been done in USB driver or maybe platform driver since it is platform specific control?
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