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SubjectRe: [PATCH v7 0/4] Introduce usb charger framework to deal with the usb gadget power negotation
On Mon, Jan 04, 2016 at 11:04:26AM +0800, Baolin Wang wrote:
> Currently the Linux kernel does not provide any standard integration of this
> feature that integrates the USB subsystem with the system power regulation
> provided by PMICs meaning that either vendors must add this in their kernels
> or USB gadget devices based on Linux (such as mobile phones) may not behave
> as they should. Thus provide a standard framework for doing this in kernel.
>
> Now introduce one user with wm831x_power to support and test the usb charger,
> which is pending testing. Moreover there may be other potential users will use
> it in future.
>
> Changes since v5:
> - Remove the notifier chain things from the gadget and introduce one callback
> function to report to the usb charger when the gadget state is changed.
> - Flesh out the port type detection which combines the USB negotiation and
> PMICs detection.
> - Supply the notification mechanism to userspace when charger state is changed.
> - Integrate with the vbus staff in the gadget API.
> - Spilt up the functionality for userspace with one file per USB charger type.
> - Rebase on "4.4-rc7".

You already sent out v7, so this should be v8, right? What changed
since v7? Why resend it if nothing changed?

confused,

greg k-h

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