linux-kernel - Re: [PATCH] sfc/siena: fix driver suspend/resume methods

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Date:   Tue, 17 May 2022 17:55:19 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Peng Wu <wupeng58@...wei.com>
Cc:     <davem@...emloft.net>, <edumazet@...gle.com>,
        <hkallweit1@...il.com>, <bhelgaas@...gle.com>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <liwei391@...wei.com>
Subject: Re: [PATCH] sfc/siena: fix driver suspend/resume methods

On Tue, 17 May 2022 01:23:34 +0000 Peng Wu wrote:
> Fix the missing pci_disable_device() before return
> from efx_pm_resume() in the error handling case.
> 
> Meanwhile, drivers should do this:
> .resume()
> 	pci_enable_device()
> .suspend()
> 	pci_disable_device()
> 
> Signed-off-by: Peng Wu <wupeng58@...wei.com>

Won't the remove function no disable the device, anyway?

If the patch is indeed needed please add a Fixes tag pointing to where
the buggy code was added and repost.

Also since this file is a copy of drivers/net/ethernet/sfc/efx.c
I'm not sure why you're only patching this instance but not the
original.