Re: [PATCH v4 01/12] PCI: aardvark: Train link immediately after enabling training

Rob Herring
2020-05-07T21:05:27Z

On Thu, 30 Apr 2020 10:06:14 +0200, =?UTF-8?q?Pali=20Roh=C3=A1r?= wrote:
> Adding even 100ms (PCI_PM_D3COLD_WAIT) delay between enabling link
> training and starting link training causes detection issues with some
> buggy cards (such as Compex WLE900VX).
>
> Move the code which enables link training immediately before the one
> which starts link traning.
>
> This fixes detection issues of Compex WLE900VX card on Turris MOX after
> cold boot.
>
> Fixes: f4c7d053d7f7 ("PCI: aardvark: Wait for endpoint to be ready...")
> Signed-off-by: Pali Rohár <pali@kernel.org>
> ---
> drivers/pci/controller/pci-aardvark.c | 15 +++++++++------
> 1 file changed, 9 insertions(+), 6 deletions(-)
>

Acked-by: Rob Herring <robh@kernel.org>