linux-kernel - Re: [EXT] [PATCH v1 2/2] qlcninc: use generic power management

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Date:   Thu, 2 Jul 2020 16:22:44 +0300
From:   Igor Russkikh <irusskikh@...vell.com>
To:     Vaibhav Gupta <vaibhavgupta40@...il.com>,
        Bjorn Helgaas <helgaas@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>, <bjorn@...gaas.com>,
        Vaibhav Gupta <vaibhav.varodek@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        "Manish Chopra" <manishc@...vell.com>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-kernel-mentees@...ts.linuxfoundation.org>,
        <skhan@...uxfoundation.org>
Subject: Re: [EXT] [PATCH v1 2/2] qlcninc: use generic power management



On 02/07/2020 9:36 am, Vaibhav Gupta wrote:
> External Email
> 
> ----------------------------------------------------------------------
> With legacy PM, drivers themselves were responsible for managing the
> device's power states and takes care of register states. And they use PCI
> helper functions to do it.
> 
> After upgrading to the generic structure, PCI core will take care of
> required tasks and drivers should do only device-specific operations.
> 
> .suspend() calls __qlcnic_shutdown, which then calls qlcnic_82xx_shutdown;
> .resume()  calls __qlcnic_resume,   which then calls qlcnic_82xx_resume;
> 
> Both ...82xx..() are define in
> drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c and are used only in
> drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c.
> 
> Hence upgrade them and remove PCI function calls, like pci_save_state()
> and
> pci_enable_wake(), inside them
> 
> Compile-tested only.
> 
> Signed-off-by: Vaibhav Gupta <vaibhavgupta40@...il.com>

Acked-by: Igor Russkikh <irusskikh@...vell.com>

Thanks!