From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f175.google.com (mail-pl1-f175.google.com [209.85.214.175]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2F44F149C6F; Wed, 26 Feb 2025 07:44:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.175 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740555874; cv=none; b=HkxuRxMrtyiyO5qGAuZy0up1ln9e5D2W17irq9xR88efV6uCI1oUvpn8PSG9UnFumJRW5W8U5Fn6Mxi8W96aPNDxa204WOVDtAnhrEZ+yIHjdfDENtlQoXsPZvK/kjB3g3Y9RMewfoAJkhIyacZ/PUFdr0GRvFVc+u/Q7KjjD1A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740555874; c=relaxed/simple; bh=sVTr9P08wLEoZNATz96q1PTTYceN12xYE4kv7FxL9QU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Pi8dfJ7IAjuLqyVbpe1VHtNEQrSmtdphn/TfenawzfbxPlqpFwsvtn20qzmnNHpiOxUPaFpRTN/64/peP+4rXLYG2TzXu9oaFiKeSVgr1mufM8Bek5b5DiY1D02wkw3VMac2lwDgNLe4X95guCtZI7KSuQaC8EWyDcpR8tfyz7A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.com; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.214.175 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pl1-f175.google.com with SMTP id d9443c01a7336-220bfdfb3f4so30936515ad.2; Tue, 25 Feb 2025 23:44:32 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740555872; x=1741160672; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=dQOCEjoccYRv48sIbAeIdqJWevhdKtzIw5YdKtxmEXE=; b=qL4TPra3B0/Tq+TinpDUMKfH7MiBgdCWR5FJDadineEjbGq4aa97JAlvD37JtTT2H3 BZIJdtdhcfM0EMvz0Uz6UunYu6IcNcs4GcNCxWJY1mMY7zLcfQOqP/gwdOWU3lQHC+jh uVRVxrxUCKrCYedrBPcxXKw/uURNAhLotV0mxUUV+O5EDUCzN9hvabRtI8v6+r+fXD5R xw1ByKEv7nFQMqB+6S9eqroVtkiutHw127KCECjMPitmHza5ElWt8JEpK5hkr+FcPUwn zOJV0hHN324t6N9rIG8qhuuoQrwMsnQfCy++pIoPtNX3QrEPOVQjMJ0JGpcxKsGREsIV odNg== X-Forwarded-Encrypted: i=1; AJvYcCW47vvAML3YKC0O2nyRQ27qk3r+P3OTcCX4jPJNtzzhDrDb2pS7VomBqmZa2Nw7/IAvv+7uvM9Sonrz@vger.kernel.org, AJvYcCXzVFDVQew7xzm8OcWUaQnSVTQWDG0wzDXzzhWuJcoe8SwkeP6iRP3TScBwwIpEqdIUc9jxoQWZVz83Vlw=@vger.kernel.org X-Gm-Message-State: AOJu0YzCLd7lzVorR9ao8LXRJpnfhaUGFd1WKihCsUTZ/bKq/9OSoAhq M3gSBkTp7Hx6DmdgQNuu43HArnIX6e3S6Kf2LIxkm9VXoyp9NsI2 X-Gm-Gg: ASbGncvDfNP/WTRnMEyH3ieNpGxPlbcqLH2UQXSHsVD2oL9Yzt7omFlEzWmNNnBUJrj UhhcBmO+I0T5NlqgKL3gmr1mbZ5ILmtmF+K5BlAVs0RNDrrAL2At4RFrquIelXOtaXSOnCArutu 0tX7b2hoEzDTPNIEQpFuf/a15JYoSk8wBgEnRCEcX9nptwOAy8Q2L0KxCI0BMTl9UgcLztetOIu v7/NF93fEgLNytYyW0l/B7eFbPNCtEp30GmgT+5ORH+2owiioH3PZnNXaOXoZ6SMVNsNGiiPTKD /QymDQG+pENR9U64sT7AKmRF42xDfTRG02VLj0PdNUK3gRSctYFslWhs4QQ8 X-Google-Smtp-Source: AGHT+IHRZRmiTH6c9ab75sTRBstxNyTvsl49ihEj5SrJcAYx5j6VbliD/Y3naIO/rnimqZvuLaHzDg== X-Received: by 2002:a17:903:1aee:b0:223:28a8:6101 with SMTP id d9443c01a7336-22328a8662dmr22567125ad.29.1740555870941; Tue, 25 Feb 2025 23:44:30 -0800 (PST) Received: from localhost (fpd11144dd.ap.nuro.jp. [209.17.68.221]) by smtp.gmail.com with UTF8SMTPSA id d9443c01a7336-2230a0944d4sm26060085ad.140.2025.02.25.23.44.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Feb 2025 23:44:30 -0800 (PST) Date: Wed, 26 Feb 2025 16:44:28 +0900 From: Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= To: Hans Zhang <18255117159@163.com> Cc: jingoohan1@gmail.com, shradha.t@samsung.com, manivannan.sadhasivam@linaro.org, lpieralisi@kernel.org, robh@kernel.org, bhelgaas@google.com, Frank.Li@nxp.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, rockswang7@gmail.com, Niklas Cassel Subject: Re: [v5] PCI: dwc: Add the debugfs property to provide the LTSSM status of the PCIe link Message-ID: <20250226074428.GF951736@rocinante> References: <20250223141848.231232-1-18255117159@163.com> Precedence: bulk X-Mailing-List: linux-pci@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: <20250223141848.231232-1-18255117159@163.com> Hello, > Add the debugfs property to provide a view of the current link's LTSSM > status from the root port device. > > /sys/kernel/debug/dwc_pcie_/ltssm_status Applied to controller/dwc, thank you! Krzysztof