From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 258C912AAEA; Mon, 26 Feb 2024 13:48:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708955287; cv=none; b=XsyvzOgo56twMHmqqP7UYwT/LGuAKuRUsdG75jH/NXJyjVE3nVIC8GfGLTIjwwXc28K93MgqMyjSagCmIGe3A02AUPz72wt1qYC+DI7ZnWCS7xFduO7o9xgNswUbnVGu67jvNyWi6WOZDSfcW3ZrOOXgBIMQ54I7aoJ5U4M/plg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708955287; c=relaxed/simple; bh=L67kHgGCs3Cvh/Ei0DU5lrJ2B7SBYL1CCN3r0aBSxi8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=r0ZANzpe/QpX96eXSAgzCOxvhuLLk87qAaMCDAo/qpnRO8F4FEGaqTCNxfWXIRdcSzjgq/rIDQUcyV6Vfovhof2J+OtaIU5JR2Lp+6p5xXKtsj/SaWjDV6Ck0aSl2+ujkqFq0X0oHVR/o9tbZT04oDWdHHElXwCVkQrOlRnqIec= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rutwcfwO; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="rutwcfwO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5260FC433C7; Mon, 26 Feb 2024 13:48:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708955286; bh=L67kHgGCs3Cvh/Ei0DU5lrJ2B7SBYL1CCN3r0aBSxi8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=rutwcfwO+1mZuPVh6Ci4AcY7Ya4wOx1sky29F46LrI2lonSlcnrvFy9RjBONyMTwA k9va0k3b3hBTuoGx/ddvBD3XrePARb3WpZ56M+/YCXPxxQarwpfu/UBwfFU/pUj+RN Uc6barYERG9ipNDYsIp1+Fe/9erC3pLShGA+SyQNP88OYU5XtnMBJXcgRRfZY12fzE 2P3Nur+CTXqYaRgZkNegjaYduiK59Y/Zqgpup2hnN452xKB2281z8LC2Ko0BmhzNZp vrPjbNjMSuXsKrs1H9/yft788udGXbcCLd3MBBmdMZvONR4Zg9RzBC/CGbCGsH6K59 UgHUa1KFYjrDQ== Date: Mon, 26 Feb 2024 13:48:00 +0000 From: Mark Brown To: David Lechner Cc: Martin Sperl , David Jander , Jonathan Cameron , Michael Hennerich , Nuno =?iso-8859-1?Q?S=E1?= , Alain Volmat , Maxime Coquelin , Alexandre Torgue , linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-iio@vger.kernel.org Subject: Re: [PATCH v2 1/5] spi: add spi_optimize_message() APIs Message-ID: <4a593988-52bb-4013-84fb-d1a51c8005c3@sirena.org.uk> References: <20240219-mainline-spi-precook-message-v2-0-4a762c6701b9@baylibre.com> <20240219-mainline-spi-precook-message-v2-1-4a762c6701b9@baylibre.com> Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="FPOaDaMVfIrc5CmE" Content-Disposition: inline In-Reply-To: <20240219-mainline-spi-precook-message-v2-1-4a762c6701b9@baylibre.com> X-Cookie: Nobody knows the trouble I've been. --FPOaDaMVfIrc5CmE Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Feb 19, 2024 at 04:33:18PM -0600, David Lechner wrote: > This adds a new spi_optimize_message() function that can be used to > optimize SPI messages that are used more than once. Peripheral drivers > that use the same message multiple times can use this API to perform SPI > message validation and controller-specific optimizations once and then > reuse the message while avoiding the overhead of revalidating the > message on each spi_(a)sync() call. This doesn't apply against current code, please check and resend. --FPOaDaMVfIrc5CmE Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmXclo8ACgkQJNaLcl1U h9DzSgf+L8IJqP9QTipdvVCKI4xrZNaK+TzwF6i23M+QYOOAK+4hq0fRRSva44uc kkh1+iGYBYbxuQpN35y3lMkueSvMVPQgUyBSe2q9SOVzykwxfrvIZKwv5I9eULi7 itkQUHeceYVLOoH2nD5dKIA7Jd/p9W5z3tC6yh/xqXwFuldwT9+Y7eqM8SUISwXW d36mL+h1mj+ZerR70EsYYipUH0J8r/dJ035AeZRkWXV5YGicaHna9WJBT8hN5H5v 73vjAsnxohg1/wS6B7KvfXg6NekWfTWcde7eWkgkaJqgz4eKzNgUgBDUdhfGRXNa 4G15gBS0jIs/UHLyXcbalpTOdzH4Uw== =5Wju -----END PGP SIGNATURE----- --FPOaDaMVfIrc5CmE--