Re: [Patch] thunderbolt: Add quirk to reset downstream port

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On 11/21/2023 11:34 PM, Greg KH wrote:
On Tue, Nov 21, 2023 at 11:17:01PM +0530, Sanath S wrote:
Boot firmware on AMD's Yellow Carp and Pink Sardine allocates
very minimal buses for PCIe downstream ports. This results in
failure to extend the daisy chain.

Add quirk to reset the downstream port to help reset the topology
created by boot firmware.

Suggested-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Signed-off-by: Sanath S <Sanath.S@xxxxxxx>
Fixes: e390909ac763("thunderbolt: Add vendor specific NHI quirk for auto-clearing interrupt status")
Cc: <stable@xxxxxxxxxxxxxxx>
What commit id does this fix?

thanks,

greg k-h




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