linux-kernel - Re: [RFC PATCH 09/35] nvme-pci: Change PCIBIOS

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Message-ID: <f48dece5-7483-73ac-38bb-0dce323f404c@gmail.com>
Date:   Mon, 13 Jul 2020 20:24:28 +0200
From:   Saheed Bolarinwa <refactormyself@...il.com>
To:     "Rajashekar, Revanth" <revanth.rajashekar@...el.com>,
        helgaas@...nel.org, Keith Busch <kbusch@...nel.org>,
        Jens Axboe <axboe@...com>, Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>
Cc:     skhan@...uxfoundation.org, linux-kernel@...r.kernel.org,
        linux-nvme@...ts.infradead.org, linux-pci@...r.kernel.org,
        bjorn@...gaas.com, linux-kernel-mentees@...ts.linuxfoundation.org
Subject: Re: [RFC PATCH 09/35] nvme-pci: Change PCIBIOS_SUCCESSFUL to 0


On 7/13/20 6:42 PM, Rajashekar, Revanth wrote:
> Hi,
>
> On 7/13/2020 6:22 AM, Saheed O. Bolarinwa wrote:
>> In reference to the PCI spec (Chapter 2), PCIBIOS* is an x86 concept.
>> Their scope should be limited within arch/x86.
>>
>> Change all PCIBIOS_SUCCESSFUL to 0
>>
>> Signed-off-by: "Saheed O. Bolarinwa" <refactormyself@...il.com>
>> ---
>>   drivers/nvme/host/pci.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
>> index b1d18f0633c7..d426efb53f44 100644
>> --- a/drivers/nvme/host/pci.c
>> +++ b/drivers/nvme/host/pci.c
>> @@ -1185,7 +1185,7 @@ static void nvme_warn_reset(struct nvme_dev *dev, u32 csts)
>>   
>>   	result = pci_read_config_word(to_pci_dev(dev->dev), PCI_STATUS,
>>   				      &pci_status);
>> -	if (result == PCIBIOS_SUCCESSFUL)
>> +	if (result == 0)
> How about simplifying the check to if (!result)?

Thank you for the review.  I did in PATCH 10/35. I will merge both.

I wanted to separate the goal from the fix but I see it's confusing.

- Saheed