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Re: [Qemu-devel] [PATCH 06/14] sdhci: refactor same sysbus/pci propertie


From: Philippe Mathieu-Daudé
Subject: Re: [Qemu-devel] [PATCH 06/14] sdhci: refactor same sysbus/pci properties into a common one
Date: Thu, 14 Dec 2017 15:40:17 -0300

>>  /* Capabilities registers provide information on supported features of this
>>   * specific host controller implementation */
>> -static Property sdhci_pci_properties[] = {
>> +static Property sdhci_properties[] = {
>>      DEFINE_PROP_UINT32("capareg", SDHCIState, capareg,
>>              SDHC_CAPAB_REG_DEFAULT),
>>      DEFINE_PROP_UINT32("maxcurr", SDHCIState, maxcurr, 0),
>> +    DEFINE_PROP_BOOL("pending-insert-quirk", SDHCIState, 
>> pending_insert_quirk,
>> +                     false),
>
> I like the reduction of code in this patch, but aren't we now going to
> have device properties that aren't actually connected to anything?

I'm not sure I understand, ar you worried about the PCI_SDHCI will now
have this property but not use it?

I couldn't find any machine using SDHCI via PCI and was tempted to
just remove this code,
the only references to it is the REDHAT_SDHCI from commits ece5e5bfa13
and 224d10ff5ae.

Maybe an attempt to write SDHCI qtests via PCI?

>>      DEFINE_PROP_END_OF_LIST(),
>>  };
>>
>> +/* --- qdev PCI --- */
>> +
>>  static void sdhci_pci_realize(PCIDevice *dev, Error **errp)
>>  {
>>      SDHCIState *s = PCI_SDHCI(dev);
>> @@ -1295,7 +1299,7 @@ static void sdhci_pci_class_init(ObjectClass *klass, 
>> void *data)
>>      k->class_id = PCI_CLASS_SYSTEM_SDHCI;
>>      set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
>>      dc->vmsd = &sdhci_vmstate;
>> -    dc->props = sdhci_pci_properties;
>> +    dc->props = sdhci_properties;
>>      dc->reset = sdhci_poweron_reset;
>>  }
>>
>> @@ -1310,14 +1314,7 @@ static const TypeInfo sdhci_pci_info = {
>>      },
>>  };
>>
>> -static Property sdhci_sysbus_properties[] = {
>> -    DEFINE_PROP_UINT32("capareg", SDHCIState, capareg,
>> -            SDHC_CAPAB_REG_DEFAULT),
>> -    DEFINE_PROP_UINT32("maxcurr", SDHCIState, maxcurr, 0),
>> -    DEFINE_PROP_BOOL("pending-insert-quirk", SDHCIState, 
>> pending_insert_quirk,
>> -                     false),
>> -    DEFINE_PROP_END_OF_LIST(),
>> -};
>> +/* --- qdev SysBus --- */



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