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

[Heinrich Schuchardt]

On 14.12.20 18:03, Heinrich Schuchardt wrote:
> On 14.12.20 17:24, 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>
>
> After applying this patch series to origin/next ddaa9497858
>
>     make configs/rpi_arm64_defconfig
>
> gives me
>
>     CONFIG_RNG_SANDBOX=y
>     CONFIG_RNG_IPROC200=n
>

Forget the above. Something went wrong on my side.

--

If you do not select DM_RNG, RNG_IPROC200 will not be selected.

Please, configure the devices. Then run 'make savedefconfig' and copy
defconfig to the original defconfig to get all the changes.

Best regards

Heinrich

>
>>
>> ---
>>
>>  configs/rpi_4_32b_defconfig | 1 +
>>  configs/rpi_4_defconfig     | 1 +
>>  configs/rpi_arm64_defconfig | 1 +
>>  drivers/rng/iproc_rng200.c  | 1 -
>>  4 files changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/configs/rpi_4_32b_defconfig b/configs/rpi_4_32b_defconfig
>> index 5ddd838fd5..b8cd0acf2d 100644
>> --- a/configs/rpi_4_32b_defconfig
>> +++ b/configs/rpi_4_32b_defconfig
>> @@ -58,3 +58,4 @@ CONFIG_PHYS_TO_BUS=y
>>  CONFIG_ADDR_MAP=y
>>  CONFIG_SYS_NUM_ADDR_MAP=2
>>  CONFIG_OF_LIBFDT_OVERLAY=y
>> +CONFIG_RNG_IPROC200=y
>> diff --git a/configs/rpi_4_defconfig b/configs/rpi_4_defconfig
>> index 2590d0a696..9bde5b43d8 100644
>> --- a/configs/rpi_4_defconfig
>> +++ b/configs/rpi_4_defconfig
>> @@ -56,3 +56,4 @@ CONFIG_SYS_WHITE_ON_BLACK=y
>>  CONFIG_CONSOLE_SCROLL_LINES=10
>>  CONFIG_PHYS_TO_BUS=y
>>  CONFIG_OF_LIBFDT_OVERLAY=y
>> +CONFIG_RNG_IPROC200=y
>> diff --git a/configs/rpi_arm64_defconfig b/configs/rpi_arm64_defconfig
>> index 2639219a1a..42b7ec33c7 100644
>> --- a/configs/rpi_arm64_defconfig
>> +++ b/configs/rpi_arm64_defconfig
>> @@ -50,3 +50,4 @@ CONFIG_SYS_WHITE_ON_BLACK=y
>>  CONFIG_CONSOLE_SCROLL_LINES=10
>>  CONFIG_PHYS_TO_BUS=y
>>  CONFIG_OF_LIBFDT_OVERLAY=y
>> +CONFIG_RNG_IPROC200=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)
>>
>