From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D748322065 for ; Tue, 21 Nov 2023 18:05:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="dCWz9bft" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 04F1AC433BA; Tue, 21 Nov 2023 18:05:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700589901; bh=PrYlDSh1KBKY9nagnX9e/CAxyEWyzd/7cpff2wOc4d0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dCWz9bft7GOg0xCs3XqYU93HlqP0iTjUumlFjUIAeORz4ELrJWXdZHIIAyiSUjec9 MIwykqkrj3utYxnPuOd9txndbD9zUY8q12wOCym2nxYPKCC8SE8cfxIYaXQlNwXQXl FvFf841GDAQloRn78ZE7dvVzfo4lJqiD1Bp/LGAE= Date: Tue, 21 Nov 2023 19:04:58 +0100 From: Greg KH To: Sanath S Cc: andreas.noever@gmail.com, michael.jamet@intel.com, mika.westerberg@linux.intel.com, YehezkelShB@gmail.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Mario Limonciello , stable@vger.kernel.org Subject: Re: [Patch] thunderbolt: Add quirk to reset downstream port Message-ID: <2023112111-shelf-deeply-6a03@gregkh> References: <20231121174701.3922587-1-Sanath.S@amd.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231121174701.3922587-1-Sanath.S@amd.com> 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 > Signed-off-by: Sanath S > Cc: What commit id does this fix? thanks, greg k-h