From patchwork Thu Nov 7 15:35:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonas Rebmann X-Patchwork-Id: 13866643 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (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 6A33921502B for ; Thu, 7 Nov 2024 15:35:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730993747; cv=none; b=lTtmxcsMaBqp7IjbPuwmhWoqx897YuMjVlCCFud26DFFPBE5kYupTExYujkg7jdLhF9d1O7TNXLdOaap6SZKNADi8tc/YekVywBCijjbnTGwi5bDT8rx17EC8HJJn1rSnzDE7Kww8vh+rmjg5F/ZKZVfC8iuPIslepF93RxkTIc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730993747; c=relaxed/simple; bh=CnC2sd8Oao1J21P/qBvL/HWz3WS+2cdCs0teDxRpgrQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Q96d6cZllFW3z7cd1iqrtvCW4MWa4KZcQGR7ikvHYYHOMCbg1SvNULoLKGypxUI09uf7DnoYHiI7GtIbePTpAWfYcEW2BAWLLXj7M3L5A0/6LJbseLnL4U9XGGqyMhqTDt7ADTUbJjYuppJgk+LY7Kq6U0gvrXVQDxmVtCKjc00= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from dude04.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::ac]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1t94Xf-0005DD-RL; Thu, 07 Nov 2024 16:35:27 +0100 From: Jonas Rebmann Date: Thu, 07 Nov 2024 16:35:20 +0100 Subject: [PATCH 1/2] spi: imx: pass struct spi_transfer to prepare_transfer() Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241107-imx-spi-word-delay-v1-1-2a969214d796@pengutronix.de> References: <20241107-imx-spi-word-delay-v1-0-2a969214d796@pengutronix.de> In-Reply-To: <20241107-imx-spi-word-delay-v1-0-2a969214d796@pengutronix.de> To: Mark Brown , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-spi@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, kernel@pengutronix.de, Jonas Rebmann X-Mailer: b4 0.14.2 X-SA-Exim-Connect-IP: 2a0a:edc0:0:1101:1d::ac X-SA-Exim-Mail-From: jre@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: imx@lists.linux.dev In an upcoming patch, mx51_ecspi_prepare_transfer() needs access to the word_delay parameter. To enable controller-specific handling of such per-transfer parameters, extend the prepare_transfer() function of the spi_imx_devtype_data interface to take a struct spi_transfer argument, update all controller-specific implementations accordingly. Signed-off-by: Jonas Rebmann --- drivers/spi/spi-imx.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 85bd1a82a34eb4bc76a4b4528e087fc2ebfa8b85..65a8303b80b1191cd2c19d61f88836e7fd3c7ae9 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -71,7 +71,8 @@ struct spi_imx_data; struct spi_imx_devtype_data { void (*intctrl)(struct spi_imx_data *spi_imx, int enable); int (*prepare_message)(struct spi_imx_data *spi_imx, struct spi_message *msg); - int (*prepare_transfer)(struct spi_imx_data *spi_imx, struct spi_device *spi); + int (*prepare_transfer)(struct spi_imx_data *spi_imx, struct spi_device *spi, + struct spi_transfer *t); void (*trigger)(struct spi_imx_data *spi_imx); int (*rx_available)(struct spi_imx_data *spi_imx); void (*reset)(struct spi_imx_data *spi_imx); @@ -649,7 +650,7 @@ static void mx51_configure_cpha(struct spi_imx_data *spi_imx, } static int mx51_ecspi_prepare_transfer(struct spi_imx_data *spi_imx, - struct spi_device *spi) + struct spi_device *spi, struct spi_transfer *t) { u32 ctrl = readl(spi_imx->base + MX51_ECSPI_CTRL); u32 clk; @@ -774,7 +775,7 @@ static int mx31_prepare_message(struct spi_imx_data *spi_imx, } static int mx31_prepare_transfer(struct spi_imx_data *spi_imx, - struct spi_device *spi) + struct spi_device *spi, struct spi_transfer *t) { unsigned int reg = MX31_CSPICTRL_ENABLE | MX31_CSPICTRL_HOST; unsigned int clk; @@ -878,7 +879,7 @@ static int mx21_prepare_message(struct spi_imx_data *spi_imx, } static int mx21_prepare_transfer(struct spi_imx_data *spi_imx, - struct spi_device *spi) + struct spi_device *spi, struct spi_transfer *t) { unsigned int reg = MX21_CSPICTRL_ENABLE | MX21_CSPICTRL_HOST; unsigned int max = is_imx27_cspi(spi_imx) ? 16 : 18; @@ -953,7 +954,7 @@ static int mx1_prepare_message(struct spi_imx_data *spi_imx, } static int mx1_prepare_transfer(struct spi_imx_data *spi_imx, - struct spi_device *spi) + struct spi_device *spi, struct spi_transfer *t) { unsigned int reg = MX1_CSPICTRL_ENABLE | MX1_CSPICTRL_HOST; unsigned int clk; @@ -1304,7 +1305,7 @@ static int spi_imx_setupxfer(struct spi_device *spi, spi_imx->target_burst = t->len; } - spi_imx->devtype_data->prepare_transfer(spi_imx, spi); + spi_imx->devtype_data->prepare_transfer(spi_imx, spi, t); return 0; }