Re: [PATCH v1 7/8] usb: host: ehci-tegra: Remove the driver

[Alan Stern]

On Tue, Dec 15, 2020 at 11:21:12PM +0300, Dmitry Osipenko wrote:
> The ChipIdea driver now provides USB2 host mode support for NVIDIA Tegra
> SoCs. The ehci-tegra driver is obsolete now, remove it.
> 
> Tested-by: Matt Merhar <mattmerhar@xxxxxxxxxxxxxx>
> Tested-by: Nicolas Chauvet <kwizart@xxxxxxxxx>
> Tested-by: Peter Geis <pgwipeout@xxxxxxxxx>
> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
> ---
>  drivers/usb/host/Kconfig      |   9 -
>  drivers/usb/host/Makefile     |   1 -
>  drivers/usb/host/ehci-tegra.c | 604 ----------------------------------
>  3 files changed, 614 deletions(-)
>  delete mode 100644 drivers/usb/host/ehci-tegra.c
> 
> diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
> index 31e59309da1f..9c9e6ff9c43a 100644
> --- a/drivers/usb/host/Kconfig
> +++ b/drivers/usb/host/Kconfig
> @@ -266,15 +266,6 @@ config USB_EHCI_HCD_AT91
>  	  Enables support for the on-chip EHCI controller on
>  	  Atmel chips.
>  
> -config USB_EHCI_TEGRA
> -	tristate "NVIDIA Tegra HCD support"
> -	depends on ARCH_TEGRA
> -	select USB_EHCI_ROOT_HUB_TT
> -	select USB_TEGRA_PHY
> -	help
> -	  This driver enables support for the internal USB Host Controllers
> -	  found in NVIDIA Tegra SoCs. The controllers are EHCI compliant.

For people upgrading from earlier kernel versions, do you think it
would help to add a pointer here telling them which Kconfig option
they need to enable now in order to get this functionality?

Alan Stern