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>,
David Airlie <airlied@linux.ie>, Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org,
linux-kernel-mentees@lists.linuxfoundation.org,
Shuah Khan <skhan@linuxfoundation.org>
Subject: Re: [PATCH v1 0/3] char: use generic power management
Date: Mon, 17 Aug 2020 13:19:21 +0530 [thread overview]
Message-ID: <20200817074921.GE5869@gmail.com> (raw)
In-Reply-To: <20200717074937.296192-1-vaibhavgupta40@gmail.com>
On Fri, Jul 17, 2020 at 01:19:34PM +0530, Vaibhav Gupta wrote:
> Linux Kernel Mentee: Remove Legacy Power Management.
>
> The purpose of this patch series is to upgrade power management in char
> 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.
>
> All patches are compile-tested only.
>
> Test tools:
> - Compiler: gcc (GCC) 10.1.0
> - allmodconfig build: make -j$(nproc) W=1 all
>
> Vaibhav Gupta (3):
> amd64-agp: use generic power management
> sis-agp: use generic power management
> via-agp: use generic power management
>
> drivers/char/agp/amd64-agp.c | 24 ++++++------------------
> drivers/char/agp/sis-agp.c | 25 ++++++-------------------
> drivers/char/agp/via-agp.c | 25 +++++--------------------
> 3 files changed, 17 insertions(+), 57 deletions(-)
>
> --
> 2.27.0
>
next prev parent reply other threads:[~2020-08-17 7:51 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-17 7:49 [PATCH v1 0/3] char: use generic power management Vaibhav Gupta
2020-07-17 7:49 ` [PATCH v1 1/3] amd64-agp: " Vaibhav Gupta
2020-07-17 7:49 ` [PATCH v1 2/3] sis-agp: " Vaibhav Gupta
2020-07-17 7:49 ` [PATCH v1 3/3] via-agp: " Vaibhav Gupta
2020-08-17 7:49 ` Vaibhav Gupta [this message]
2021-01-12 8:09 ` [PATCH v2 0/3] char: " Vaibhav Gupta
2021-01-12 8:09 ` [PATCH v2 1/3] amd64-agp: " Vaibhav Gupta
2021-01-12 8:09 ` [PATCH v2 2/3] sis-agp: " Vaibhav Gupta
2021-01-12 8:09 ` [PATCH v2 3/3] via-agp: " Vaibhav Gupta
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