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 6DA55176242; Wed, 12 Jun 2024 12:56:15 +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=1718196975; cv=none; b=a0VD/4dlIEayVs9fM0s2TwJzp3uB0kXIxXS6FfNo7umBcr/AAqYOHWP0cfMXwAxeT7DWlKW0XU5xcESdWRcDn8cyVbHYQCAOatj/KCdTicWDEdSNP0x06xVIseQt2aXtSGVYm069k6j62f2g0/lEnTPAxKrqqH1paQYUv/hueG4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718196975; c=relaxed/simple; bh=vC9PIDpzXrCacBIhJJgdsjD8Um8Uxd7/bCl31OF839E=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=LIeOsHixNauIY5OaAlkqvlK1uPJD4s2rj6gDPxlVGKtj+kqzy2gNfrmmRlhwSz7ELsMAihpwWubAIvwLQn2uAzAVdSrShYaZ57TzW75PZkVB2UrXuwmdmYsTTL84RXvlqpD8v7aEBurhQFhRSjPaciTF9NkCI7zsH704PuYU+gY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=OadiCEKi; 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="OadiCEKi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5F60C3277B; Wed, 12 Jun 2024 12:56:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1718196975; bh=vC9PIDpzXrCacBIhJJgdsjD8Um8Uxd7/bCl31OF839E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OadiCEKiy1nMfAnYMcuXaWH/gBTgDvDBGujMq8dCw898nXDbdoxFSZhhWuGc6pseQ EOS3yfJSzX596GINM4CuPqMNWFLpTBWmcPBXM3g02tVh7r9pxpyLErybWbCWUqPXoV NL8jLLNQ5JDfDeh/agrcK/IVWoZBSqyF+mtHPdzo= Date: Wed, 12 Jun 2024 14:56:12 +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: <2024061254-oval-womb-a6c1@gregkh> References: <20240601092646.52139-1-joswang1221@gmail.com> <20240611142953.12057-1-joswang1221@gmail.com> <2024061219-reroute-strike-7230@gregkh> 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=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Wed, Jun 12, 2024 at 08:47:31PM +0800, joswang wrote: > On Wed, Jun 12, 2024 at 3:58 PM Greg KH wrote: > > > > 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 > > Patches 1/3 and 2/3 are other cases. The maintainer is reviewing them > and has no accurate conclusion yet, so only patches 3/3 are submitted. How are we supposed to know this? A patch series should be taken all at once, right? confused, greg k-h