[PATCH] PCI: stm32: Fix LTSSM EP race with start link.
Manivannan Sadhasivam
manivannan.sadhasivam at oss.qualcomm.com
Mon Nov 17 07:10:47 PST 2025
On Fri, 14 Nov 2025 08:45:52 +0100, Christian Bruel wrote:
> If the host has deasserted PERST# and started link training before the link
> is started on EP side, enabling LTSSM before the endpoint registers are
> initialized in the perst_irq handler results in probing incorrect values.
>
> Thus, wait for the PERST# level-triggered interrupt to start link training
> at the end of initialization and cleanup the stm32_pcie_[start stop]_link
> functions.
>
> [...]
Applied, thanks!
[1/1] PCI: stm32: Fix LTSSM EP race with start link.
commit: acca17da9c9f53c0aa05bbdef255213d36dc09db
Best regards,
--
Manivannan Sadhasivam <mani at kernel.org>
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