linux-kernel - Re: [PATCH V2 2/7] PCI: handle FLR failure and allow other reset types

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Message-ID: <20171129173642.GC27742@infradead.org>
Date:   Wed, 29 Nov 2017 09:36:42 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Sinan Kaya <okaya@...eaurora.org>
Cc:     linux-pci@...r.kernel.org, timur@...eaurora.org,
        linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V2 2/7] PCI: handle FLR failure and allow other reset
 types

On Mon, Nov 27, 2017 at 01:20:23AM -0500, Sinan Kaya wrote:
> pci_flr_wait() and pci_af_flr() functions assume graceful return even
> though the device is inaccessible under error conditions.
> 
> Return -ENOTTY in error cases so that __pci_reset_function_locked() can
> try other reset types if AF_FLR/FLR reset fails.

Looks good,

Reviewed-by: Christoph Hellwig <hch@....de>