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Message-ID: <20240516085119.GH179178@kernel.org>
Date: Thu, 16 May 2024 09:51:19 +0100
From: Simon Horman <horms@...nel.org>
To: Thinh Tran <thinhtr@...ux.ibm.com>
Cc: netdev@...r.kernel.org, kuba@...nel.org, anthony.l.nguyen@...el.com,
	aleksandr.loktionov@...el.com, przemyslaw.kitszel@...el.com,
	pmenzel@...gen.mpg.de, jesse.brandeburg@...el.com,
	davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
	intel-wired-lan@...ts.osuosl.org, rob.thomas@....com,
	Jacob Keller <jacob.e.keller@...el.com>
Subject: Re: [PATCH iwl-net V4,2/2] i40e: Fully suspend and resume IO
 operations in EEH case

On Wed, May 15, 2024 at 04:07:05PM -0500, Thinh Tran wrote:
> When EEH events occurs, the callback functions in the i40e, which are
> managed by the EEH driver, will completely suspend and resume all IO
> operations.
> 
> - In the PCI error detected callback, replaced i40e_prep_for_reset()
>   with i40e_io_suspend(). The change is to fully suspend all I/O
>   operations
> - In the PCI error slot reset callback, replaced pci_enable_device_mem()
>   with pci_enable_device(). This change enables both I/O and memory of
>   the device.
> - In the PCI error resume callback, replaced i40e_handle_reset_warning()
>   with i40e_io_resume(). This change allows the system to resume I/O
>   operations
> 
> Fixes: a5f3d2c17b07 ("powerpc/pseries/pci: Add MSI domains")
> Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>
> Tested-by: Robert Thomas <rob.thomas@....com>
> Signed-off-by: Thinh Tran <thinhtr@...ux.ibm.com>

Reviewed-by: Simon Horman <horms@...nel.org>

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