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 C1C8116B736; Wed, 12 Jun 2024 07:58:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718179113; cv=none; b=RrvfCsDmCIOn3cPbNNmiURjadYoKgvIPgfjSMQUHZ05UdVNkgAJvVA+I1bL9x4A3KH5mbHAkTUF69Y/CJzPrk4MmqWsB5X+vG61JVaYheMTs5yuVV1bdhDI3w4XRr2lb+BGB20fyKDHfFuB17AkkHXj6J1KlQo/vgIARRNXip/Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718179113; c=relaxed/simple; bh=AID1zA96gkZSX2MHB5QKswBCGsVCtrNxcelcI+moxa4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=V3rhmt7oZdiXmr0AXmpWN5LG5YPrS6ju01Dz/bdmCoWapEEHvxNj+VYT92GQvmdsEBYaCS90wIz27CeeHWWe2zKeaLtRdf88VsySdqvDFONmfeNXqkoDV6G8Fye5riwSLOT6+/eBvln9gaB8VZAYVjAlnMeA+J4cvxsKuE9su7U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=N1nWtVyq; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="N1nWtVyq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 22E36C3277B; Wed, 12 Jun 2024 07:58:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1718179113; bh=AID1zA96gkZSX2MHB5QKswBCGsVCtrNxcelcI+moxa4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=N1nWtVyqi3KkcPW53SNQFwQHL6iSykojhlPJboyfKMyj1JKiAU9V9fD+WgwKeQ90w F0RW7nIwz2arYXUOsOXik6LQ/EUfFC4m8q9/tWE3Xcn1HUgxmDbGQEspXtmE7pgcb2 JPyxeqO5ujLWjSt2bO+MATeKXXeSP2FXmN97PhVg= Date: Wed, 12 Jun 2024 09:58:30 +0200 From: Greg KH To: joswang Cc: Thinh.Nguyen@synopsys.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Jos Wang Subject: Re: [PATCH v3, 3/3] usb: dwc3: core: Workaround for CSR read timeout Message-ID: <2024061219-reroute-strike-7230@gregkh> References: <20240601092646.52139-1-joswang1221@gmail.com> <20240611142953.12057-1-joswang1221@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <20240611142953.12057-1-joswang1221@gmail.com> On Tue, Jun 11, 2024 at 10:29:53PM +0800, joswang wrote: > From: Jos Wang > > This is a workaround for STAR 4846132, which only affects > DWC_usb31 version2.00a operating in host mode. > > There is a problem in DWC_usb31 version 2.00a operating > in host mode that would cause a CSR read timeout When CSR > read coincides with RAM Clock Gating Entry. By disable > Clock Gating, sacrificing power consumption for normal > operation. > > Signed-off-by: Jos Wang > --- > v1 -> v2: > - add "dt-bindings: usb: dwc3: Add snps,p2p3tranok quirk" patch > v2 -> v3: > - code refactor > - modify comment, add STAR number, workaround applied in host mode > - modify commit message, add STAR number, workaround applied in host mode > - modify Author Jos Wang > --- > drivers/usb/dwc3/core.c | 20 +++++++++++++++++++- > 1 file changed, 19 insertions(+), 1 deletion(-) Where are patches 1/3 and 2/3 of this series? thanks, greg k-h