Re: [PATCH] arm64: defconfig: Enable PCIe hotplug support

From: Manivannan Sadhasivam

Date: Tue Oct 27 2026 - 23:17:50 EST


On Wed, Jul 29, 2026 at 07:29:02PM +0530, Krishna Chaitanya Chundru wrote:
>
>
> On 7/29/2026 11:32 AM, Krzysztof Kozlowski wrote:
> > On 28/07/2026 18:07, Krishna Chaitanya Chundru wrote:
> >> Enable CONFIG_HOTPLUG_PCI_PCIE to support native PCIe hotplug
> >> controllers on arm64 platforms.
> > Which ones benefit from this? Why do we want it in our development
> > defconfig?
> Sorry I should have  added all the details in the commit.
> Qualcomm platforms like Glymur and Hamoa have PCIe root ports/root complexes
> with native hotplug capability (including USB4
> PCIe tunneling ports), so CONFIG_HOTPLUG_PCI_PCIE is needed for hotplug to
> work on them. We'd like it on by default in our
> development defconfig so it works out of the box during bring-up/testing
> without every developer needing to enable it
> manually.

It doesn't just affect the developer environment, but end users also.

With the added justification in the commit message:

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxxxxxxxx>

- Mani

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