From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailout2.samsung.com (mailout2.samsung.com [203.254.224.25]) (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 4FD6E27FB18 for ; Thu, 18 Sep 2025 05:18:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.254.224.25 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758172700; cv=none; b=bZ9ZqnbwywAAbJx+Dg4Fak1feCDDXKof7dh8LRF3SQ3WcijoEsHclMTtl28O3bSeq0ar8dF4aIdyfjnOf3rKeEAs5eJy25FuHC4+EtThiz8ntDRcLb+ocFrJ0UUlJMi06R1r0PHoFBJ4e+8TuriJj6FVCQuOVbK3O20aL/fnzaw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758172700; c=relaxed/simple; bh=fZf3KUsg7TCNTOWtDcvxpkU6IoooWYXFis9GMSIjWv8=; h=From:To:Cc:In-Reply-To:Subject:Date:Message-ID:MIME-Version: Content-Type:References; b=KYEMX404MY6PToi43pdI8v8r/CHodcMtOBcMxLlvvr66TQAJZqMl0rzv4WhaNmfkmkunXtH9oPWAkZgRN/ivI0g5Lrtk6CKj59B5u9LS6A4KMZl/pzz4EXPho5cPAsKW6CesI1v0cgMYJPTJTnSXspwM7Y9ui5M/xKWz8Y4nosk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com; spf=pass smtp.mailfrom=samsung.com; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b=tUmCjqVg; arc=none smtp.client-ip=203.254.224.25 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=samsung.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="tUmCjqVg" Received: from epcas5p3.samsung.com (unknown [182.195.41.41]) by mailout2.samsung.com (KnoxPortal) with ESMTP id 20250918051814epoutp02683438701a8e0308cd315fa67f2971b1~mSMArvU7O2494024940epoutp02J for ; Thu, 18 Sep 2025 05:18:14 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout2.samsung.com 20250918051814epoutp02683438701a8e0308cd315fa67f2971b1~mSMArvU7O2494024940epoutp02J DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1758172694; bh=zYYaazXEoaA47Z6YAhN7Q2mEYZHKsAgAX/eQnU0qqxc=; h=From:To:Cc:In-Reply-To:Subject:Date:References:From; b=tUmCjqVgDj7ueMX52I/bqfBjZ+pt2JjBaad5lk9lKPA7xhe8PCnW1mWNrCLpank/w TVvBTwF6YfOKzTNgvYIqGcbNmZUf6oMEvZB/bSHQNg6NXIXVe8KO0XKCKgIFAWSxyE iWfpbycULHATqQ84CixTD4dp1koLhekqqPQ42XHU= Received: from epsnrtp02.localdomain (unknown [182.195.42.154]) by epcas5p1.samsung.com (KnoxPortal) with ESMTPS id 20250918051814epcas5p10ec0d7619d703aeeb316c67653f16c22~mSMAH4rP_2895528955epcas5p10; Thu, 18 Sep 2025 05:18:14 +0000 (GMT) Received: from epcas5p1.samsung.com (unknown [182.195.38.94]) by epsnrtp02.localdomain (Postfix) with ESMTP id 4cS3nG6xl8z2SSKk; Thu, 18 Sep 2025 05:18:10 +0000 (GMT) Received: from epsmtip1.samsung.com (unknown [182.195.34.30]) by epcas5p3.samsung.com (KnoxPortal) with ESMTPA id 20250918051810epcas5p3a5c83da6d649a4729b7276bcef4bcef1~mSL8gmD4f2794027940epcas5p31; Thu, 18 Sep 2025 05:18:10 +0000 (GMT) Received: from INBRO002756 (unknown [107.122.3.168]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20250918051807epsmtip1fb442832e26bc55315d8712329278f9a~mSL50ebAg2306723067epsmtip1J; Thu, 18 Sep 2025 05:18:07 +0000 (GMT) From: "Alim Akhtar" To: "'Ram Kumar Dwivedi'" , , , , , , , , Cc: , , , , "'Krzysztof Kozlowski'" In-Reply-To: <20250917140933.2042689-2-quic_rdwivedi@quicinc.com> Subject: RE: [PATCH V6 1/4] ufs: dt-bindings: Document gear and rate limit properties Date: Thu, 18 Sep 2025 10:48:04 +0530 Message-ID: <06fb01dc285b$9fb00440$df100cc0$@samsung.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQJRoHUYa79wgWtyawBlQOaHwFj68gJOjc3tAfKTdSizi2z2YA== Content-Language: en-us X-CMS-MailID: 20250918051810epcas5p3a5c83da6d649a4729b7276bcef4bcef1 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P cpgsPolicy: CPGSC10-542,Y X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250917141019epcas5p466578f1a7322594d653ac3c3eb3e7cf0 References: <20250917140933.2042689-1-quic_rdwivedi@quicinc.com> <20250917140933.2042689-2-quic_rdwivedi@quicinc.com> > -----Original Message----- > From: Ram Kumar Dwivedi > Sent: Wednesday, September 17, 2025 7:40 PM > To: alim.akhtar@samsung.com; avri.altman@wdc.com; bvanassche@acm.org; > robh@kernel.org; krzk+dt@kernel.org; conor+dt@kernel.org; mani@kernel.org; > James.Bottomley@HansenPartnership.com; martin.petersen@oracle.com > Cc: linux-scsi@vger.kernel.org; devicetree@vger.kernel.org; linux- > kernel@vger.kernel.org; linux-arm-msm@vger.kernel.org; Krzysztof Kozlowski > > Subject: [PATCH V6 1/4] ufs: dt-bindings: Document gear and rate limit > properties > > Add optional "limit-hs-gear" and "limit-rate" properties to the UFS controller > common binding. These properties allow limiting the maximum HS gear and rate. > > This is useful in cases where the customer board may have signal integrity, clock > configuration or layout issues that prevent reliable operation at higher gears. > Such limitations are especially critical in those platforms, where stability is > prioritized over peak performance. > > Reviewed-by: Krzysztof Kozlowski > Signed-off-by: Ram Kumar Dwivedi > --- Thanks! Reviewed-by: Alim Akhtar