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From: Vaibhav Gupta <vaibhavgupta40@gmail.com>
To: Bjorn Helgaas <helgaas@kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Bjorn Helgaas <bjorn@helgaas.com>,
	Vaibhav Gupta <vaibhav.varodek@gmail.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-kernel-mentees@lists.linuxfoundation.org,
	linux-kernel@vger.kernel.org, linux-media@vger.kernel.org
Subject: Re: [Linux-kernel-mentees] [PATCH v2 0/6] [media] pci: use generic power management
Date: Fri, 17 Jul 2020 10:26:48 +0530	[thread overview]
Message-ID: <20200717045648.GA121727@gmail.com> (raw)
In-Reply-To: <20200717035608.97254-1-vaibhavgupta40@gmail.com>

On Fri, Jul 17, 2020 at 09:26:02AM +0530, Vaibhav Gupta wrote:
> Linux Kernel Mentee: Remove Legacy Power Management.
> 
> The purpose of this patch series is to upgrade power management in media
> drivers. This has been done by upgrading .suspend() and .resume() callbacks.
> 
> The upgrade makes sure that the involvement of PCI Core does not change the
> order of operations executed in a driver. Thus, does not change its behavior.
> 
> In general, drivers with legacy PM, .suspend() and .resume() make use of PCI
> helper functions like pci_enable/disable_device_mem(), pci_set_power_state(),
> pci_save/restore_state(), pci_enable/disable_device(), etc. to complete
> their job.
> 
> The conversion requires the removal of those function calls, change the
> callbacks' definition accordingly and make use of dev_pm_ops structure.
> 
> v2: v1 possibly broke cx23885 and cx25821.
v1 didn't break anything in real as patch was not applied. But it could have.
> 
> All patches are compile-tested only.
> 
> Test tools:
>     - Compiler: gcc (GCC) 10.1.0
>     - allmodconfig build: make -j$(nproc) W=1 all
> 
> Vaibhav Gupta (6):
>   sta2x11: use generic power management
>   cx23885: use generic power management
>   cx25821: use generic power management
>   cx88: use generic power management
>   meye: use generic power management
>   tw68: use generic power management
> 
>  drivers/media/pci/cx23885/cx23885-core.c |  3 --
>  drivers/media/pci/cx25821/cx25821-core.c |  3 --
>  drivers/media/pci/cx88/cx88-video.c      | 52 +++++--------------
>  drivers/media/pci/meye/meye.c            | 15 ++----
>  drivers/media/pci/sta2x11/sta2x11_vip.c  | 63 ++++++------------------
>  drivers/media/pci/tw68/tw68-core.c       | 30 +++++------
>  6 files changed, 44 insertions(+), 122 deletions(-)
> 
> -- 
> 2.27.0
> 
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      parent reply	other threads:[~2020-07-17  4:58 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-17  3:56 [Linux-kernel-mentees] [PATCH v2 0/6] [media] pci: use generic power management Vaibhav Gupta
2020-07-17  3:56 ` [Linux-kernel-mentees] [PATCH v2 1/6] sta2x11: " Vaibhav Gupta
2020-07-17  3:56 ` [Linux-kernel-mentees] [PATCH v2 2/6] cx23885: " Vaibhav Gupta
2020-07-17  3:56 ` [Linux-kernel-mentees] [PATCH v2 3/6] cx25821: " Vaibhav Gupta
2020-07-17  3:56 ` [Linux-kernel-mentees] [PATCH v2 4/6] cx88: " Vaibhav Gupta
2020-07-17  7:14   ` kernel test robot
2020-07-17  7:24     ` Vaibhav Gupta
2020-07-17 10:31       ` Vaibhav Gupta
2020-07-17 10:49         ` Hans Verkuil
2020-07-17 10:51           ` Vaibhav Gupta
2020-07-17  3:56 ` [Linux-kernel-mentees] [PATCH v2 5/6] meye: " Vaibhav Gupta
2020-07-17  3:56 ` [Linux-kernel-mentees] [PATCH v2 6/6] tw68: " Vaibhav Gupta
2020-07-17  4:56 ` Vaibhav Gupta [this message]

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