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

Alan Stern
2020-12-16T16:46:07Z

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 The ehci-tegra driver is obsolete now, remove it.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@protonmail.com>
> Tested-by: Nicolas Chauvet <kwizart@gmail.com>
> Tested-by: Peter Geis <pgwipeout@gmail.com>
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---
> 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