linux-kernel - Re: [PATCH v2 0/8] PCI: pciehp: Rework hotplug interrupt routine

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Date:   Wed, 14 Sep 2016 11:41:17 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>
Cc:     Mayurkumar Patel <mayurkumar.patel@...el.com>,
        Rajat Jain <rajatja@...gle.com>,
        MikaWesterberg@...ux.intel.com, linux-pci@...r.kernel.org,
        Rafael J Wysocki <rafael.j.wysocki@...el.com>,
        linux-kernel@...r.kernel.org, Keith Busch <keith.busch@...el.com>,
        Luis Antonio Tarazona-Duarte 
        <luis.antonio.tarazona-duarte@...el.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH v2 0/8] PCI: pciehp: Rework hotplug interrupt routine

On Mon, Sep 12, 2016 at 04:08:47PM -0500, Bjorn Helgaas wrote:
> This is mostly Mayurkumar's work from [1] and [2].  I split [2] into two
> patches and reworked it to keep the enclosing loop around the pciehp ISR.
> 
> The patches I added are trivial ones to clarify variable names, make dmesg
> messages consistent, and remove useless code.
> 
> [1] 1471554479-42083-1-git-send-email-mayurkumar.patel@...el.com
> [2] 92EBB4272BF81E4089A7126EC1E7B28466598F35@...MSX101.ger.corp.intel.com
> 
> ---
> 
> Bjorn Helgaas (5):
>       PCI: pciehp: Rename pcie_isr() locals for clarity
>       PCI: pciehp: Return IRQ_NONE when we can't read interrupt status
>       PCI: pciehp: Remove unnecessary guard
>       PCI: pciehp: Clean up dmesg "Slot(%s)" messages
>       PCI: pciehp: Remove useless pciehp_get_latch_status() calls
> 
> Mayurkumar Patel (3):
>       PCI: pciehp: Process all hotplug events before looking for new ones
>       PCI: pciehp: Don't re-read Slot Status when queuing hotplug event
>       PCI: pciehp: Don't re-read Slot Status when handling surprise event
> 
> 
>  drivers/pci/hotplug/pciehp_ctrl.c |   83 ++++++++++++---------------------
>  drivers/pci/hotplug/pciehp_hpc.c  |   94 ++++++++++++++++++++-----------------
>  2 files changed, 82 insertions(+), 95 deletions(-)

I don't have any machines with native PCIe hotplug support enabled but
regardless the series looks good to me,

Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>