From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (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 0751E3C1D68; Mon, 10 Aug 2026 11:30:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786361446; cv=none; b=eY4vwUzWveaBoxp/Yqq2StPvxswJcpdZdC6JbXapor3AIHOUuX6DlDdOApLurDZFElgZ4YZxk/qGnQ9pBOmjhpG4no2PdM7Cefg5R/O8LsqERLnmSwbg74RjPC/mvHzTrspVYxyGExQjbnXUt8bhVjykN9tZmaCpYep1KoXzNZw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786361446; c=relaxed/simple; bh=oqhVXD0fSn3Obxd8COioFUV/TMy2PhHuCN1A1epc9Gs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=UjZdV5QYbx76JKAH1okno0AxJ7sCNttNK8WIFeVDJbNjezCqVG6JDzvCbIHuvU/a+O3gAx6rXfpSg0aQGQeHPNSv/IA1tYdpujPQ3nFXvuVs8ZxGRZ1QSltFlBsr+uPCu0vmXygvkGUVakUee60iTEws0oVzkzoykAX/MMmKca8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=hcXERnn/; arc=none smtp.client-ip=198.175.65.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="hcXERnn/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1786361445; x=1817897445; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=oqhVXD0fSn3Obxd8COioFUV/TMy2PhHuCN1A1epc9Gs=; b=hcXERnn/vsSViCIPaRwjQYzR9sz7iXMMcGR5s00BVkCXzGA34jhKL9c9 nSCIVxwJmtd0n/Cz1DMS7Yl0G8Zr5fB9v0LtXmnzncbvZGVZQJSSlR2Io X4Pbt8aBCPOgt6HEd7HBBKmX11OMb7qewGuGbeLmtZhScWxO/wjyXrZ1x qwgaQRNweNhr4v56Y/hbXdXqiacGRGyTNQlxkvHYC0ujNOHCPP4ofXvYe CxXCfSZvGUDDbfmuyHIRMa7fQcRo+WLMLIGYbYV1mdVQG5d2g0dWZ2yoD rocuM66GXkxR5rk0OUFe58uQpKpR+5JqLuiK48ndOwwtNAsMcWm7J9vsB w==; X-CSE-ConnectionGUID: 5V0euSWARWuunnPBVhknXA== X-CSE-MsgGUID: 2zxMzYoIRqmOqWzzzO3IaA== X-IronPort-AV: E=McAfee;i="6800,10657,11870"; a="97221505" X-IronPort-AV: E=Sophos;i="6.25,215,1779174000"; d="scan'208";a="97221505" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Aug 2026 04:30:44 -0700 X-CSE-ConnectionGUID: V8OOqr/gTgqs8VR5DBF/fA== X-CSE-MsgGUID: 29osdTEcSPe+pNesrLfImQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,215,1779174000"; d="scan'208";a="264999778" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa004.fm.intel.com with ESMTP; 10 Aug 2026 04:30:43 -0700 Received: by black.igk.intel.com (Postfix, from userid 1001) id F172B99; Mon, 10 Aug 2026 13:30:41 +0200 (CEST) Date: Mon, 10 Aug 2026 13:30:41 +0200 From: Mika Westerberg To: fy15309206903@gmail.com Cc: Yehezkel Bernat , Mika Westerberg , Andreas Noever , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] thunderbolt: Use min() for the DMA path credit cap Message-ID: <20260810113041.GI893316@black.igk.intel.com> References: <20260810-tb-dma-credit-min-v1-1-1ea9d3847e7c@gmail.com> 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 In-Reply-To: <20260810-tb-dma-credit-min-v1-1-1ea9d3847e7c@gmail.com> Hi, On Mon, Aug 10, 2026 at 09:38:43AM +0000, Fan Ye via B4 Relay wrote: > From: Fan Ye > > tb_dma_reserve_credits() caps the request against what the adapter has > left by decrementing one credit at a time. The other arm of the same > if() already caps with min(port->total_credits, credits); use min() > here too. > > No functional change: the object code is unchanged. > > Assisted-by: Claude:claude-opus-5 > Signed-off-by: Fan Ye Applied to thunderbolt.git/next, thanks!