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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>,
	David Airlie <airlied@linux.ie>, Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-kernel-mentees@lists.linuxfoundation.org,
	linux-kernel@vger.kernel.org
Subject: Re: [Linux-kernel-mentees] [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
> 
_______________________________________________
Linux-kernel-mentees mailing list
Linux-kernel-mentees@lists.linuxfoundation.org
https://lists.linuxfoundation.org/mailman/listinfo/linux-kernel-mentees

WARNING: multiple messages have this Message-ID (diff)
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
> 

  parent reply	other threads:[~2020-08-17  7:51 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-17  7:49 [Linux-kernel-mentees] [PATCH v1 0/3] char: use generic power management Vaibhav Gupta
2020-07-17  7:49 ` Vaibhav Gupta
2020-07-17  7:49 ` [Linux-kernel-mentees] [PATCH v1 1/3] amd64-agp: " Vaibhav Gupta
2020-07-17  7:49   ` Vaibhav Gupta
2020-07-17  7:49 ` [Linux-kernel-mentees] [PATCH v1 2/3] sis-agp: " Vaibhav Gupta
2020-07-17  7:49   ` Vaibhav Gupta
2020-07-17  7:49 ` [Linux-kernel-mentees] [PATCH v1 3/3] via-agp: " Vaibhav Gupta
2020-07-17  7:49   ` Vaibhav Gupta
2020-08-17  7:49 ` Vaibhav Gupta [this message]
2020-08-17  7:49   ` [PATCH v1 0/3] char: " Vaibhav Gupta
2021-01-12  8:09 ` [Linux-kernel-mentees] [PATCH v2 " Vaibhav Gupta
2021-01-12  8:09   ` Vaibhav Gupta
2021-01-12  8:09   ` [Linux-kernel-mentees] [PATCH v2 1/3] amd64-agp: " Vaibhav Gupta
2021-01-12  8:09     ` Vaibhav Gupta
2021-01-12  8:09   ` [Linux-kernel-mentees] [PATCH v2 2/3] sis-agp: " Vaibhav Gupta
2021-01-12  8:09     ` Vaibhav Gupta
2021-01-12  8:09   ` [Linux-kernel-mentees] [PATCH v2 3/3] via-agp: " Vaibhav Gupta
2021-01-12  8:09     ` Vaibhav Gupta

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