From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C5006C369A4 for ; Thu, 10 Apr 2025 09:05:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=X3E7h0i7sk6Gjo3jDCcMHtR+tGckVx/AF+ztmKxJhKU=; b=4zZYbTJwxz8WCY EFLJ7OWSy7KIQ39QC7MFyhlSKr4fAUcdVXr3KuSD21y7GcnnGQ0WjEVBwqD6XskH1FDHFunjIi7E3 gBkYL5hnuEXb4w0J2rV9ksheXsr6qSNUB0I+/mMP8qNAc+nBhBhnEQwXG0fjpNa+0WmH+SSJUikj6 egoaq/mxao2hiht0hwCqhTCA5SSLNha+QhrsESxeu5HC1u2HyjGnTaYNQ5st9vCf+mKvv+Fyhwl5h aI4WH0CuBQPdegpaVDAyc2Fycv/oqpdqGoE1w9Lf4BYgQlL7CU8o6BqEUL23+ayBLn2qXq4FILiz9 RcgpZL4jmLAe1dEfNJhQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u2nr3-00000009s7Y-1RCU; Thu, 10 Apr 2025 09:05:49 +0000 Received: from nyc.source.kernel.org ([147.75.193.91]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1u2nfa-00000009pE0-3uYn for linux-rockchip@lists.infradead.org; Thu, 10 Apr 2025 08:54:00 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 91B8BA49AA9; Thu, 10 Apr 2025 08:48:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 72E8EC4CEE9; Thu, 10 Apr 2025 08:53:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744275237; bh=OfkMO8sGSlJHq96r1UtN9ITYye3UhRVwLEpYzTkkmlE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=swNgFMrWfDycN+qXDY98b/FeV6036ZLTMdp51e8IXVxH5Vs/DugXxHAtbAb7Pw8N6 vkh9QYqxYnVF+C3BnoO8cYFoiMoEV4P7GbAQA0bQserYwcRHNtM+CoahxTwS1sEBfH zqWpV/J8ws1Yss7b9Zl9Ny6gjQfUt6UWS/kYHAv/9unr90dd3RRSeSSjvssK7l0v4X oZvoHK6XtjTgKt2GIOVBcwm+jg4/RSAY/IevEodkWGV5zn3ciZ/ic3rB6szbxNQE7U QrJZc7Yde7gyPurvrjBd+vYSNW9AKax2BkrbQlw4/XviKLXJQ5N2er7IKcO7zvgCbK zuhS/Nz+Xh3Fg== Date: Thu, 10 Apr 2025 10:53:53 +0200 From: Niklas Cassel To: Shawn Lin Cc: Bjorn Helgaas , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , linux-pci@vger.kernel.org, linux-rockchip@lists.infradead.org Subject: Re: [PATCH] PCI: dw-rockchip: Enable L0S capability Message-ID: References: <1744248981-43371-1-git-send-email-shawn.lin@rock-chips.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1744248981-43371-1-git-send-email-shawn.lin@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250410_015359_045717_6D778492 X-CRM114-Status: GOOD ( 10.91 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On Thu, Apr 10, 2025 at 09:36:21AM +0800, Shawn Lin wrote: > L0S capability isn't enabled on all SoCs by default, so enabling it > in order to make ASPM L0S work on Rockchip platforms. We have been > testing it for quite a long time and the default FTS number provided > by DWC core is broken since it fits only for DWC PHY IP but not for > other types of PHY IP from other vendors. I also think it makes sense to split this to two patches. Modifying N_FTS is completely different from enabling L0S, so please have a 1/2 patch that overrides N_FTS and a 2/2 patch that enables L0S. Kind regards, Niklas _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip