linux-kernel - Re: [PATCH v11 09/11] PCI: brcmstb: Accommodate MSI for older chips

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Date:   Thu, 10 Sep 2020 10:20:59 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jim Quinlan <james.quinlan@...adcom.com>
Cc:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Christoph Hellwig <hch@....de>, linux-pci@...r.kernel.org,
        Robin Murphy <robin.murphy@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        bcm-kernel-feedback-list@...adcom.com,
        open list <linux-kernel@...r.kernel.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Subject: Re: [PATCH v11 09/11] PCI: brcmstb: Accommodate MSI for older chips

On Mon, 24 Aug 2020 15:30:22 -0400, Jim Quinlan wrote:
> From: Jim Quinlan <jquinlan@...adcom.com>
> 
> Older BrcmSTB chips do not have a separate register for MSI interrupts; the
> MSIs are in a register that also contains unrelated interrupts.  In
> addition, the interrupts lie in bits [31..24] for these legacy chips.  This
> commit provides common code for both legacy and non-legacy MSI interrupt
> registers.
> 
> Signed-off-by: Jim Quinlan <jquinlan@...adcom.com>
> Acked-by: Florian Fainelli <f.fainelli@...il.com>
> ---
>  drivers/pci/controller/pcie-brcmstb.c | 71 +++++++++++++++++++--------
>  1 file changed, 50 insertions(+), 21 deletions(-)
> 

Reviewed-by: Rob Herring <robh@...nel.org>