Re: [Qemu-devel] [PATCH v2 02/25] hw/arm: Express dependencies of the highbank machines with Kconfig

[Paolo Bonzini <pbonzini@redhat.com>]

On 14/02/19 20:17, Peter Maydell wrote:
> On Wed, 13 Feb 2019 at 08:38, Thomas Huth <thuth@redhat.com> wrote:
>>
>> Add Kconfig dependencies for the highbank machine (and the midway
>> machine).
>> This patch is slightly based on earlier work by Ákos Kovács (i.e.
>> his "hw/arm/Kconfig: Add ARM Kconfig" patch).
>>
>> Signed-off-by: Thomas Huth <thuth@redhat.com>
>> ---
>>  default-configs/arm-softmmu.mak |  4 +---
>>  hw/arm/Kconfig                  | 12 ++++++++++++
>>  2 files changed, 13 insertions(+), 3 deletions(-)
>>
>> diff --git a/default-configs/arm-softmmu.mak b/default-configs/arm-softmmu.mak
>> index 3baafc4..59734ee 100644
>> --- a/default-configs/arm-softmmu.mak
>> +++ b/default-configs/arm-softmmu.mak
>> @@ -6,6 +6,7 @@ CONFIG_ARM_V7M=y
>>  CONFIG_PCI_DEVICES=y
>>
>>  CONFIG_EXYNOS4=y
>> +CONFIG_HIGHBANK=y
>>
>>  CONFIG_VGA=y
>>  CONFIG_NAND=y
>> @@ -54,14 +55,12 @@ CONFIG_PL022=y
>>  CONFIG_PL031=y
>>  CONFIG_PL041=y
>>  CONFIG_PL050=y
>> -CONFIG_PL061=y
>>  CONFIG_PL080=y
>>  CONFIG_PL110=y
>>  CONFIG_PL181=y
>>  CONFIG_PL190=y
>>  CONFIG_PL330=y
>>  CONFIG_CADENCE=y
>> -CONFIG_XGMAC=y
> 
> Could you explain the logic for when CONFIG_*=y
> lines get deleted from the arm-softmmu.mak?
> In this patch PL061 has been deleted, but PL011,
> PL022, PL031 have not, though all these devices are
> used in both Highbank and in other not-yet-converted
> machine types. What's the difference ?

I think it's a mistake.  I'd not remove any CONFIG_*=y except in a final
separate patch.

Paolo