On 12/04/19 6:06 PM, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
>
> Historically the power supply management in this driver has been handled
> in two separate places in parallel. Device-tree users simply defined an
> appropriate regulator, while two boards with no DT support (da830-evm and
> omapl138-hawk) passed functions defined in their respective board files
> over platform data. These functions simply used legacy GPIO calls to
> watch the oc GPIO for interrupts and disable the vbus GPIO when the irq
> fires.
>
> Commit d193abf1c913 ("usb: ohci-da8xx: add vbus and overcurrent gpios")
> updated these GPIO calls to the modern API and moved them inside the
> driver.
>
> This however is not the optimal solution for the vbus GPIO as it
> duplicates code. Instead we should model the GPIO as a fixed regulator
> that can be controlled with a GPIO.
>
> This series adds fixed regulators for all users of vbus GPIO, adds
> overcurrent protection using the existing vbus regulator in the USB
> driver and removes the vbus GPIO calls once they're no longer used.
>
> Tested on da830-evm with the module both built-in and loadable.
Applied to v5.2/soc with Alan's ack applied on 3/6
Thanks,
Sekhar
