Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Mon, 27 Jul 2020 23:41:44 +0530
From:   Vaibhav Gupta <vaibhavgupta40@gmail.com>
To:     Jens Axboe <axboe@kernel.dk>
Cc:     Bjorn Helgaas <helgaas@kernel.org>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Bjorn Helgaas <bjorn@helgaas.com>,
        Vaibhav Gupta <vaibhav.varodek@gmail.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-kernel-mentees@lists.linuxfoundation.org,
        Shuah Khan <skhan@linuxfoundation.org>
Subject: Re: [PATCH v2] ata: use generic power management
Message-ID: <20200727181144.GA543@gmail.com>
References: <20200727173923.694872-1-vaibhavgupta40@gmail.com>
 <20200727174012.GA696265@gmail.com>
 <2b4738b0-5c2c-8ee2-83f9-10b961a5d0d3@kernel.dk>
 <20200727175119.GA700880@gmail.com>
 <99b7cc57-1b4f-6c0b-00c6-08e22021c373@kernel.dk>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <99b7cc57-1b4f-6c0b-00c6-08e22021c373@kernel.dk>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Mon, Jul 27, 2020 at 11:59:05AM -0600, Jens Axboe wrote:
> On 7/27/20 11:51 AM, Vaibhav Gupta wrote:
> > On Mon, Jul 27, 2020 at 11:42:51AM -0600, Jens Axboe wrote:
> >> On 7/27/20 11:40 AM, Vaibhav Gupta wrote:
> >>> The patch is compile-tested only.
> >>
> >> Please test and verify actual functionality, if you're serious about
> >> potentially getting this into the kernel.
> >>
> > Hello Jens,
> > 
> > Sadly I don't have the hardware. This upgrade is part of my Linux Kernel
> > Mentorship Program project. Like other PCI drivers which I have updated, I could
> > do compile-testing only. Though this patch covers 54 drivers but the actual
> > change is done only in drivers/ata/libata-core. Since rest of the drivers
> > make use of the same ata_pci_device_suspend/resume(), it was a chain reaction. I
> > only had to change variable binding in "struct pci_driver" variable of dependent
> > drivers.
> 
> That's understandable, but you should find at least some hardware (maybe remotely
> accessible) to test this on. I'm not going to apply this without some confidence
> that it actually works, and compile only testing is a far cry from that. Lots of
> code compiles, but fails miserably at runtime.
> 
> While it's touching 54 drivers, at least basic coverage of the most popular
> choices will give everybody some confidence that it works in general.
>
Yes, I agree. Actually with previous drivers, I was able to get help from
maintainers and/or supporters for the hardware testing. Is that possible for
this patch?

Thanks
Vaibhav Gupta 
> -- 
> Jens Axboe
>