From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 1224E3264C2; Mon, 21 Sep 2026 05:17:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789967881; cv=none; b=jLLUYuJoAERjdGvD4TGOtdI51sWK7bD3lpNal+dVbJAQQkprFL0j1B/1Gknf7oODFbn7MNFgCF+4r3VNtGLLOsmiU3vp6JQNTebjCfUAvcDhu0gYcL7oZF4p/fRBWkl15oVBoIMxtA7arBtxmT7J+6ok+ggaLQ/LbMby4dKgWCo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789967881; c=relaxed/simple; bh=jsjTM2XZlkrtehIfrb/bALST2lPPLWt2mNncUxMvkWk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jQj8V2fG3/KP6CT2aVpo84rlLOu6uaucTkyVw/+PIzMNkKzuD1waCDX+O8C5PvjQBEFU0HMgqwZ7FyW4+YSQ6ERY7JFTwBTO/tHPLuEdKErlrnuH6mLpm9m6CxuOBLCW5joRd+3kpyjgdbPK0OwfMhVDqO3mkG94CFwioTlGz1Y= 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=Bm+1KkLC; arc=none smtp.client-ip=192.198.163.10 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="Bm+1KkLC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789967880; x=1821503880; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=jsjTM2XZlkrtehIfrb/bALST2lPPLWt2mNncUxMvkWk=; b=Bm+1KkLCeQvvdr/8Kn6exRM5QmVtI0wUYppuDZP8f+o0I45V2jCCp9P/ oDeZwius03cy9KhNyeVQ3LyNYPPKCqfpjwKZVU6aihdC/aRsvC0c/Rxf6 AFrkenRMjDehUa2ywa9Y9awJy50Z7zRXagUlUkmEAao28jzxTHurMhcN0 cca0jZv7gw6EdDf/opsEI6z+Owa62s3diIOQ5aCJEAyiF8cBeU1Lo2e39 OV2H8j+6TZlWNidd/CnL4rgnjfcpxpkERWEtB7890eZ91CrtgHuf5rd9y gYi9wwbKGkL7POQiGb/1SP9zAE65dES/yJ3UdqIs5SdBocT+9ApUYpL9m w==; X-CSE-ConnectionGUID: oto+q54IT6uVzsWny9dhhQ== X-CSE-MsgGUID: jLq8femVQxuETnSMCctVWA== X-IronPort-AV: E=McAfee;i="6800,10657,11911"; a="101807032" X-IronPort-AV: E=Sophos;i="6.27,114,1787036400"; d="scan'208";a="101807032" Received: from fmviesa013.fm.intel.com ([10.60.135.153]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Sep 2026 22:17:59 -0700 X-CSE-ConnectionGUID: jiDRPCpOQ6WngwMXqLbmZA== X-CSE-MsgGUID: fvfqXfaGQAulBS6MINfZgA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,114,1787036400"; d="scan'208";a="3807107" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa013.fm.intel.com with ESMTP; 20 Sep 2026 22:17:59 -0700 Received: by black.igk.intel.com (Postfix, from userid 1001) id 4BB7F99; Mon, 21 Sep 2026 07:17:50 +0200 (CEST) Date: Mon, 21 Sep 2026 07:17:50 +0200 From: Mika Westerberg To: Hans de Goede Cc: Andi Shyti , linux-i2c@vger.kernel.org, linux-acpi@vger.kernel.org Subject: Re: [PATCH 1/2] i2c: acpi: Use I2C_M_DMA_SAFE in acpi_gsb_i2c_[read|write]_bytes() Message-ID: <20260921051750.GN106095@black.igk.intel.com> References: <20260919193642.43058-1-johannes.goede@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-acpi@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: <20260919193642.43058-1-johannes.goede@oss.qualcomm.com> On Sat, Sep 19, 2026 at 09:36:41PM +0200, Hans de Goede wrote: > The main read / write "buffer" is kzalloc()ed and as such is safe to > directly use for DMA (unlike stack mem). Add the I2C_M_DMA_SAFE flag > to the transfers using these buffers. > > Signed-off-by: Hans de Goede Acked-by: Mika Westerberg