linux-kernel - Re: [PATCH v2] PCI: rockchip: Avoid accessing PCIe registers with clocks gated

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Date:   Tue, 22 Jun 2021 11:31:58 +0100
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Javier Martinez Canillas <javierm@...hat.com>,
        linux-kernel@...r.kernel.org
Cc:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Peter Robinson <pbrobinson@...il.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        linux-arm-kernel@...ts.infradead.org,
        Shawn Lin <shawn.lin@...k-chips.com>,
        linux-rockchip@...ts.infradead.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH v2] PCI: rockchip: Avoid accessing PCIe registers with clocks gated

On Tue, 8 Jun 2021 10:04:09 +0200, Javier Martinez Canillas wrote:
> IRQ handlers that are registered for shared interrupts can be called at
> any time after have been registered using the request_irq() function.
> 
> It's up to drivers to ensure that's always safe for these to be called.
> 
> Both the "pcie-sys" and "pcie-client" interrupts are shared, but since
> their handlers are registered very early in the probe function, an error
> later can lead to these handlers being executed before all the required
> resources have been properly setup.
> 
> [...]

Applied to pci/rockchip, thanks!

[1/1] PCI: rockchip: Avoid accessing PCIe registers with clocks gated
      https://git.kernel.org/lpieralisi/pci/c/c025f5b2e5

Thanks,
Lorenzo