From patchwork Thu Sep 17 20:24:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Kleine-Budde X-Patchwork-Id: 11783529 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 08F5192C for ; Thu, 17 Sep 2020 20:24:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E932A208B6 for ; Thu, 17 Sep 2020 20:24:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726353AbgIQUY3 (ORCPT ); Thu, 17 Sep 2020 16:24:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726216AbgIQUY3 (ORCPT ); Thu, 17 Sep 2020 16:24:29 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5B448C06174A for ; Thu, 17 Sep 2020 13:24:29 -0700 (PDT) Received: from heimdall.vpn.pengutronix.de ([2001:67c:670:205:1d::14] helo=blackshift.org) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1kJ0S6-0001Ow-Ls; Thu, 17 Sep 2020 22:24:22 +0200 From: Marc Kleine-Budde To: Mark Brown Cc: Shawn Guo , NXP Linux Team , linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, kernel@pengutronix.de, Marc Kleine-Budde Subject: [PATCH] spi: spi-imx: spi_imx_transfer(): add support for effective_speed_hz Date: Thu, 17 Sep 2020 22:24:20 +0200 Message-Id: <20200917202420.1914104-1-mkl@pengutronix.de> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:205:1d::14 X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-spi@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org This patch implementes the reporting of the effectivly used speed_hz for the transfer by setting tfr->effective_speed_hz. See the following patch, which adds this feature to the SPI core for more information: 5d7e2b5ed585 spi: core: allow reporting the effectivly used speed_hz for a transfer Signed-off-by: Marc Kleine-Budde --- drivers/spi/spi-imx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 38a5f1304cec..13692c69676f 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -1503,6 +1503,8 @@ static int spi_imx_transfer(struct spi_device *spi, { struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master); + transfer->effective_speed_hz = spi_imx->spi_bus_clk; + /* flush rxfifo before transfer */ while (spi_imx->devtype_data->rx_available(spi_imx)) readl(spi_imx->base + MXC_CSPIRXDATA);