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Re: [Qemu-devel] [RFC PATCH 4/5] ppc: Express dependencies of the Sam460


From: Thomas Huth
Subject: Re: [Qemu-devel] [RFC PATCH 4/5] ppc: Express dependencies of the Sam460EX machines with kconfig
Date: Wed, 30 Jan 2019 13:03:38 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

On 2019-01-30 12:29, BALATON Zoltan wrote:
> Hello,
> 
> On Wed, 30 Jan 2019, Thomas Huth wrote:
>> Most of the dependencies are now directly selected by the SAM460EX
>> switch. We can drop CONFIG_VGA_CIRRUS since this device is already
>> selected automatically when CONFIG_PCI_DEVICES is set.
>>
>> Cc: BALATON Zoltan <address@hidden>
>> Signed-off-by: Thomas Huth <address@hidden>
>> ---
>> default-configs/ppc-softmmu.mak | 10 ----------
>> hw/display/Kconfig              |  1 +
>> hw/ppc/Kconfig                  | 12 ++++++++++++
>> hw/usb/Kconfig                  |  2 +-
>> 4 files changed, 14 insertions(+), 11 deletions(-)
>>
>> diff --git a/default-configs/ppc-softmmu.mak
>> b/default-configs/ppc-softmmu.mak
>> index 513a8e9..5265d8a 100644
>> --- a/default-configs/ppc-softmmu.mak
>> +++ b/default-configs/ppc-softmmu.mak
>> @@ -25,16 +25,6 @@ CONFIG_PCI_EXPRESS=y
>>
>> # For Sam460ex
>> CONFIG_SAM460EX=y
>> -CONFIG_USB_EHCI_SYSBUS=y
>> -CONFIG_SM501=y
>> -CONFIG_DDC=y
>> -CONFIG_IDE_SII3112=y
>> -CONFIG_I2C=y
>> -CONFIG_AT24C=y
>> -CONFIG_BITBANG_I2C=y
>> -CONFIG_M41T80=y
>> -CONFIG_VGA_CIRRUS=y
>> -CONFIG_SMBUS_EEPROM=y
>>
>> # For Macs
>> CONFIG_MAC_OLDWORLD=y
>> diff --git a/hw/display/Kconfig b/hw/display/Kconfig
>> index c784fe8..f8e6136 100644
>> --- a/hw/display/Kconfig
>> +++ b/hw/display/Kconfig
>> @@ -76,6 +76,7 @@ config MILKYMIST_TMU2
>> config SM501
>>     bool
>>     depends on I2C
>> +    select DDC
>>
>> config TCX
>>     bool
>> diff --git a/hw/ppc/Kconfig b/hw/ppc/Kconfig
>> index f6b4206..8bd25ed 100644
>> --- a/hw/ppc/Kconfig
>> +++ b/hw/ppc/Kconfig
>> @@ -24,9 +24,21 @@ config PPC440
>>
>> config PPC4XX
>>     bool
>> +    select BITBANG_I2C
>> +    select PCI
>>
>> config SAM460EX
>>     bool
>> +    select AT24C
> 
> I don't recognise this as needed. Is it for dependency of something?

Oh, sorry, I apparently missed that one up. The device has been
added for the e500 machine instead:

 https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg03492.html

... so this line belongs to the "config E500" section instead.

>> +    select PFLASH_CFI01
>> +    select IDE_SII3112
>> +    select ISA_BUS          # FIXME: Currently required for IDE_SII3112
> 
> This is not really a dependency of SII3112 but of ide/core so this maybe
> this belongs to IDE config?

It definitely needs fixing, that's why I've got a FIXME here :-)

I've now had a closer look, and the problem is that CONFIG_IDE_PCI
currently causes ioport.o to be pulled in. That seems unnecessary. I'll
continue the discussion in the related patch ("ide: split ioport
registration to a separate file")...

> Otherwise I don't care much if it still compiles so
> 
> Reviewed-by: BALATON Zoltan <address@hidden>

Thanks!

  Thomas



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