[PATCH v2 2/2] config: Enable iProc RNG200 driver in RPi4 configs

[Peter Robinson]

On Tue, Dec 15, 2020 at 9:50 AM <matthias.bgg at kernel.org> wrote:
>
> From: Matthias Brugger <mbrugger at suse.com>
>
> We find the iProc RNG200 in the Raspberry Pi 4. Add it to all it's
> config so that it can be used.
>
> Signed-off-by: Matthias Brugger <mbrugger at suse.com>
Tested-by: Peter Robinson <pbrobinson at gmail.com>

Tested on a RPi4 class device

> ---
>
> Changes in v2:
> - fix defconfigs using savedefconfig (Heinrich)
>
>  configs/rpi_4_32b_defconfig | 2 ++
>  configs/rpi_4_defconfig     | 2 ++
>  configs/rpi_arm64_defconfig | 2 ++
>  drivers/rng/iproc_rng200.c  | 1 -
>  4 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/configs/rpi_4_32b_defconfig b/configs/rpi_4_32b_defconfig
> index 5ddd838fd5..4039e46c81 100644
> --- a/configs/rpi_4_32b_defconfig
> +++ b/configs/rpi_4_32b_defconfig
> @@ -36,6 +36,8 @@ CONFIG_PCI_BRCMSTB=y
>  CONFIG_PINCTRL=y
>  # CONFIG_PINCTRL_GENERIC is not set
>  CONFIG_DM_RESET=y
> +CONFIG_DM_RNG=y
> +CONFIG_RNG_IPROC200=y
>  # CONFIG_REQUIRE_SERIAL_CONSOLE is not set
>  CONFIG_USB=y
>  CONFIG_DM_USB=y
> diff --git a/configs/rpi_4_defconfig b/configs/rpi_4_defconfig
> index 2590d0a696..46b6cc3046 100644
> --- a/configs/rpi_4_defconfig
> +++ b/configs/rpi_4_defconfig
> @@ -36,6 +36,8 @@ CONFIG_PCI_BRCMSTB=y
>  CONFIG_PINCTRL=y
>  # CONFIG_PINCTRL_GENERIC is not set
>  CONFIG_DM_RESET=y
> +CONFIG_DM_RNG=y
> +CONFIG_RNG_IPROC200=y
>  # CONFIG_REQUIRE_SERIAL_CONSOLE is not set
>  CONFIG_USB=y
>  CONFIG_DM_USB=y
> diff --git a/configs/rpi_arm64_defconfig b/configs/rpi_arm64_defconfig
> index 2639219a1a..b75144036d 100644
> --- a/configs/rpi_arm64_defconfig
> +++ b/configs/rpi_arm64_defconfig
> @@ -33,6 +33,8 @@ CONFIG_PCI_BRCMSTB=y
>  CONFIG_PINCTRL=y
>  # CONFIG_PINCTRL_GENERIC is not set
>  CONFIG_DM_RESET=y
> +CONFIG_DM_RNG=y
> +CONFIG_RNG_IPROC200=y
>  # CONFIG_REQUIRE_SERIAL_CONSOLE is not set
>  CONFIG_USB=y
>  CONFIG_DM_USB=y
> diff --git a/drivers/rng/iproc_rng200.c b/drivers/rng/iproc_rng200.c
> index 1063f43953..378f6cf48d 100644
> --- a/drivers/rng/iproc_rng200.c
> +++ b/drivers/rng/iproc_rng200.c
> @@ -50,7 +50,6 @@ static void iproc_rng200_enable(struct iproc_rng200_platdata *pdata, bool enable
>                 val &= ~RNG_CTRL_RNG_RBGEN_ENABLE;
>
>         writel(val, rng_base + RNG_CTRL_OFFSET);
> -
>  }
>
>  static void iproc_rng200_restart(struct iproc_rng200_platdata *pdata)
> --
> 2.29.2
>