Re: [PATCH v10 2/8] PCI: Add new array for keeping track of ordering of reset methods

[Shanker R Donthineni <sdonthineni@xxxxxxxxxx>]

Hi Bjorn,

On 7/27/21 5:59 PM, Bjorn Helgaas wrote:
>> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
>> index fefa6d7b3..42440cb10 100644
>> --- a/drivers/pci/pci.c
>> +++ b/drivers/pci/pci.c
>> @@ -72,6 +72,14 @@ static void pci_dev_d3_sleep(struct pci_dev *dev)
>>               msleep(delay);
>>  }
>>
>> +int pci_reset_supported(struct pci_dev *dev)
>> +{
>> +     u8 null_reset_methods[PCI_NUM_RESET_METHODS] = { 0 };
>> +
>> +     return memcmp(null_reset_methods,
>> +                   dev->reset_methods, sizeof(null_reset_methods));
> I think "return dev->reset_methods[0] != 0;" is sufficient, isn't it?
>

Agree with you, it simplifies code logic and can be moved to "include/linux/pci.h"
with inline definition. Can we change return type to 'bool' instead of 'int' ?

static inline bool pci_reset_supported(struct pci_dev *dev)
{  
    return !!dev->reset_methods[0];
}