From patchwork Mon Sep 12 19:07:40 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 9327665 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4A12A6048B for ; Mon, 12 Sep 2016 19:08:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3514128E91 for ; Mon, 12 Sep 2016 19:08:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 29B3528E98; Mon, 12 Sep 2016 19:08:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A509F28E91 for ; Mon, 12 Sep 2016 19:08:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757979AbcILTHu (ORCPT ); Mon, 12 Sep 2016 15:07:50 -0400 Received: from mezzanine.sirena.org.uk ([106.187.55.193]:32974 "EHLO mezzanine.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755619AbcILTHs (ORCPT ); Mon, 12 Sep 2016 15:07:48 -0400 Received: from debutante.sirena.org.uk ([2a01:348:6:8808:fab::3] helo=debutante) by mezzanine.sirena.org.uk with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1bjWZy-0003Az-W6; Mon, 12 Sep 2016 19:07:45 +0000 Received: from broonie by debutante with local (Exim 4.87) (envelope-from ) id 1bjWZw-0002jE-87; Mon, 12 Sep 2016 20:07:40 +0100 From: Mark Brown To: Heiner Kallweit Cc: Mark Brown , Mark Brown , "linux-spi@vger.kernel.org" In-Reply-To: Message-Id: Date: Mon, 12 Sep 2016 20:07:40 +0100 X-SA-Exim-Connect-IP: 2a01:348:6:8808:fab::3 X-SA-Exim-Mail-From: broonie@sirena.org.uk Subject: Applied "spi: fsl-espi: centralize populating struct spi_transfer" to the spi tree X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: No (on mezzanine.sirena.org.uk); Unknown failure Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The patch spi: fsl-espi: centralize populating struct spi_transfer has been applied to the spi tree at git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark From 96361fafbbfc8a07b4c7ec09d96d742ef68bfbad Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Wed, 7 Sep 2016 22:54:00 +0200 Subject: [PATCH] spi: fsl-espi: centralize populating struct spi_transfer Better structure the code by population all elements of struct spi_transfer in one place. Signed-off-by: Heiner Kallweit Signed-off-by: Mark Brown --- drivers/spi/spi-fsl-espi.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c index 2bfaff64beb8..7fc9a2c66396 100644 --- a/drivers/spi/spi-fsl-espi.c +++ b/drivers/spi/spi-fsl-espi.c @@ -272,17 +272,8 @@ static int fsl_espi_bufs(struct spi_device *spi, struct spi_transfer *t) static int fsl_espi_do_trans(struct spi_message *m, struct spi_transfer *trans) { struct spi_device *spi = m->spi; - struct spi_transfer *t, *first; int ret = 0; - first = list_first_entry(&m->transfers, struct spi_transfer, - transfer_list); - list_for_each_entry(t, &m->transfers, transfer_list) { - trans->speed_hz = t->speed_hz; - trans->bits_per_word = t->bits_per_word; - trans->delay_usecs = max(first->delay_usecs, t->delay_usecs); - } - fsl_espi_setup_transfer(spi, trans); if (trans->len) @@ -305,8 +296,6 @@ static int fsl_espi_trans(struct spi_message *m, struct spi_transfer *trans, tx_only = fsl_espi_copy_to_buf(m, mspi); - trans->tx_buf = mspi->local_buf; - trans->rx_buf = mspi->local_buf; ret = fsl_espi_do_trans(m, trans); /* If there is at least one RX byte then copy it to rx_buff */ @@ -319,8 +308,9 @@ static int fsl_espi_trans(struct spi_message *m, struct spi_transfer *trans, static int fsl_espi_do_one_msg(struct spi_master *master, struct spi_message *m) { + struct mpc8xxx_spi *mspi = spi_master_get_devdata(m->spi->master); u8 *rx_buf = NULL; - unsigned int xfer_len = 0; + unsigned int delay_usecs = 0, xfer_len = 0; struct spi_transfer *t, trans = {}; int ret; @@ -333,9 +323,19 @@ static int fsl_espi_do_one_msg(struct spi_master *master, rx_buf = t->rx_buf; if ((t->tx_buf) || (t->rx_buf)) xfer_len += t->len; + if (t->delay_usecs > delay_usecs) + delay_usecs = t->delay_usecs; } + t = list_first_entry(&m->transfers, struct spi_transfer, + transfer_list); + trans.len = xfer_len; + trans.speed_hz = t->speed_hz; + trans.bits_per_word = t->bits_per_word; + trans.delay_usecs = delay_usecs; + trans.tx_buf = mspi->local_buf; + trans.rx_buf = mspi->local_buf; ret = fsl_espi_trans(m, &trans, rx_buf);