linux-kernel - Re: [PATCH v3] ata: use generic power management

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Date:   Mon, 17 Aug 2020 07:06:03 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Vaibhav Gupta <vaibhavgupta40@...il.com>,
        Bjorn Helgaas <helgaas@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Bjorn Helgaas <bjorn@...gaas.com>,
        Vaibhav Gupta <vaibhav.varodek@...il.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Christoph Hellwig <hch@....de>,
        "Gustavo A . R . Silva" <gustavoars@...nel.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Prabhakar Kushwaha <pkushwaha@...vell.com>,
        Alex Shi <alex.shi@...ux.alibaba.com>,
        Michał Mirosław <mirq-linux@...e.qmqm.pl>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jiri Slaby <jslaby@...e.cz>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Paul Gortmaker <paul.gortmaker@...driver.com>,
        Jia-Ju Bai <baijiaju1990@...il.com>,
        Javier Martinez Canillas <javier@....samsung.com>,
        Zhang Rui <rui.zhang@...el.com>
Cc:     linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH v3] ata: use generic power management

On 8/17/20 2:25 AM, Vaibhav Gupta wrote:
> Hello,
> 
> I am working to upgrade power management framework support for PCI drivers, as
> my project under the Linux Kernel Mentorship Program.
> 
> The ultimate goal is to completely remove the legacy framework. And for this we
> need to remove ".suspend" and ".resume" pointers from "struct pci_driver".
> 
> The patch is doing the change for the same. The actual suspend() and
> resume() callbacks are defined in drivers/ata/libata-core.c and are exported.
> Which are then used by other files.
> 
> Thus removing those pointers, included 54 files in this patch. Although, the
> actual changes are done in few files only. The changes should work fine as I
> have done similar changes for other drivers too which made their way into the
> kernel. Still, tests on few ata devices are necessary.

Didn't we agree to split this up into separate patches??

> I tried but unfortunately, I couldn't find or arrange devices to test upon. I
> have added the authors of the previous commit(s) for respective drivers as
> recipients. It would be very helpful if someone can test it on a device.

Does qemu support any of the affected drivers?

-- 
Jens Axboe