From patchwork Fri Feb 17 20:45:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rob Herring (Arm)" X-Patchwork-Id: 13145273 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id ABA1BC64ED6 for ; Fri, 17 Feb 2023 20:46:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229872AbjBQUqT (ORCPT ); Fri, 17 Feb 2023 15:46:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39438 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229520AbjBQUqS (ORCPT ); Fri, 17 Feb 2023 15:46:18 -0500 Received: from mail-oi1-f179.google.com (mail-oi1-f179.google.com [209.85.167.179]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 839F062FC8; Fri, 17 Feb 2023 12:46:16 -0800 (PST) Received: by mail-oi1-f179.google.com with SMTP id bk11so2351237oib.13; Fri, 17 Feb 2023 12:46:16 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=PpKp+66L0fbbAMKQqh8biegp8ez57RhVOVDRZ2wuGL8=; b=ktySaqwp5fN3rKGlFGqdVib8KFofGzxEip+SZXBMuHkAloj3vAFP9G6yad1OG2qtkB /5haMWz4qe4DG4+y31zHrlnCKBhwakQwuThEwMG50LOnQLXf20aBqglSyizZDjtb0a0J Bl2s5VxtDcPv23wZuwHyGfHxryR0DZ4QJl9f3tQdg0pKWPncwRpY8yjkOUU/9HwgSJtL wwnNDMPANOdpffq/X2Hfdut9ddl6D8pzlrx+Pcp3woOiRbiX1LQlOR32tKZHPXxJmfOQ Mjt72IA85Kudfy3HllnUOZmcSA1LBFzIJYRiwcslBdPTfw9fZx7T5LG/JbnBXRlTk649 t15g== X-Gm-Message-State: AO0yUKXjfwDgFyequo0TFhDnmP0sbPu1eHeHOOO0RkvUwCld/dlUGGin fQW989DGNl/RXdaKnQCYhvd9r4P1+w== X-Google-Smtp-Source: AK7set9aqsRAdgdgI4Jy/yRoE9NTtt3nX5Z92C1aACpnlKt+63b7skkrRyU61RtHhTUE37xX0vGACg== X-Received: by 2002:a05:6808:288f:b0:37a:fcd6:5c09 with SMTP id eu15-20020a056808288f00b0037afcd65c09mr141201oib.49.1676666775463; Fri, 17 Feb 2023 12:46:15 -0800 (PST) Received: from robh_at_kernel.org (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id es25-20020a056808279900b0035a9003b8edsm2193359oib.40.2023.02.17.12.46.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Feb 2023 12:46:15 -0800 (PST) Received: (nullmailer pid 1527518 invoked by uid 1000); Fri, 17 Feb 2023 20:46:11 -0000 From: Rob Herring Date: Fri, 17 Feb 2023 14:45:42 -0600 Subject: [PATCH 3/3] spi: mpc5xxx-psc: Use platform resources instead of parsing DT properties MIME-Version: 1.0 Message-Id: <20230217-dt-mpc5xxx-spi-v1-3-3be8602fce1e@kernel.org> References: <20230217-dt-mpc5xxx-spi-v1-0-3be8602fce1e@kernel.org> In-Reply-To: <20230217-dt-mpc5xxx-spi-v1-0-3be8602fce1e@kernel.org> To: Mark Brown Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.13-dev Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org The mpc52xx-psc and mpc512x-psc drivers use DT property parsing functions for 'reg' and 'interrupts', but those are available as platform device resources. Convert probe functions to use them and simplify probe to a single function. For 'cell-index', also use the preferred typed property function. Signed-off-by: Rob Herring --- drivers/spi/spi-mpc512x-psc.c | 40 ++++++++-------------------------- drivers/spi/spi-mpc52xx-psc.c | 50 +++++++++++-------------------------------- 2 files changed, 21 insertions(+), 69 deletions(-) diff --git a/drivers/spi/spi-mpc512x-psc.c b/drivers/spi/spi-mpc512x-psc.c index c6a610b82d4a..5bdfe4a740e9 100644 --- a/drivers/spi/spi-mpc512x-psc.c +++ b/drivers/spi/spi-mpc512x-psc.c @@ -14,11 +14,9 @@ #include #include #include -#include -#include -#include #include #include +#include #include #include #include @@ -458,9 +456,9 @@ static irqreturn_t mpc512x_psc_spi_isr(int irq, void *dev_id) return IRQ_NONE; } -static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, - u32 size, unsigned int irq) +static int mpc512x_psc_spi_of_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct mpc512x_psc_spi *mps; struct spi_master *master; int ret; @@ -473,8 +471,7 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, dev_set_drvdata(dev, master); mps = spi_master_get_devdata(master); - mps->type = (int)of_device_get_match_data(dev); - mps->irq = irq; + mps->type = (int)device_get_match_data(dev); master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST; master->setup = mpc512x_psc_spi_setup; @@ -485,12 +482,14 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, master->cleanup = mpc512x_psc_spi_cleanup; master->dev.of_node = dev->of_node; - tempp = devm_ioremap(dev, regaddr, size); + tempp = devm_platform_get_and_ioremap_resource(pdev, 0, NULL); if (!tempp) return dev_err_probe(dev, -EFAULT, "could not ioremap I/O port range\n"); mps->psc = tempp; mps->fifo = (struct mpc512x_psc_fifo *)(tempp + sizeof(struct mpc52xx_psc)); + + mps->irq = platform_get_irq(pdev, 0); ret = devm_request_irq(dev, mps->irq, mpc512x_psc_spi_isr, IRQF_SHARED, "mpc512x-psc-spi", mps); if (ret) @@ -535,9 +534,9 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, return ret; } -static int mpc512x_psc_spi_do_remove(struct device *dev) +static int mpc512x_psc_spi_of_remove(struct platform_device *pdev) { - struct spi_master *master = dev_get_drvdata(dev); + struct spi_master *master = dev_get_drvdata(&pdev->dev); struct mpc512x_psc_spi *mps = spi_master_get_devdata(master); clk_disable_unprepare(mps->clk_mclk); @@ -546,27 +545,6 @@ static int mpc512x_psc_spi_do_remove(struct device *dev) return 0; } -static int mpc512x_psc_spi_of_probe(struct platform_device *op) -{ - const u32 *regaddr_p; - u64 regaddr64, size64; - - regaddr_p = of_get_address(op->dev.of_node, 0, &size64, NULL); - if (!regaddr_p) { - dev_err(&op->dev, "Invalid PSC address\n"); - return -EINVAL; - } - regaddr64 = of_translate_address(op->dev.of_node, regaddr_p); - - return mpc512x_psc_spi_do_probe(&op->dev, (u32) regaddr64, (u32) size64, - irq_of_parse_and_map(op->dev.of_node, 0)); -} - -static int mpc512x_psc_spi_of_remove(struct platform_device *op) -{ - return mpc512x_psc_spi_do_remove(&op->dev); -} - static const struct of_device_id mpc512x_psc_spi_of_match[] = { { .compatible = "fsl,mpc5121-psc-spi", .data = (void *)TYPE_MPC5121 }, { .compatible = "fsl,mpc5125-psc-spi", .data = (void *)TYPE_MPC5125 }, diff --git a/drivers/spi/spi-mpc52xx-psc.c b/drivers/spi/spi-mpc52xx-psc.c index 7477fa152da0..95a4a511c388 100644 --- a/drivers/spi/spi-mpc52xx-psc.c +++ b/drivers/spi/spi-mpc52xx-psc.c @@ -11,15 +11,14 @@ #include #include #include -#include -#include +#include +#include #include #include #include #include #include #include -#include #include #include @@ -292,12 +291,12 @@ static irqreturn_t mpc52xx_psc_spi_isr(int irq, void *dev_id) return IRQ_NONE; } -/* bus_num is used only for the case dev->platform_data == NULL */ -static int mpc52xx_psc_spi_do_probe(struct device *dev, u32 regaddr, - u32 size, unsigned int irq, s16 bus_num) +static int mpc52xx_psc_spi_of_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct mpc52xx_psc_spi *mps; struct spi_master *master; + u32 bus_num; int ret; master = devm_spi_alloc_master(dev, sizeof(*mps)); @@ -310,20 +309,24 @@ static int mpc52xx_psc_spi_do_probe(struct device *dev, u32 regaddr, /* the spi->mode bits understood by this driver: */ master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST; - mps->irq = irq; - master->bus_num = bus_num; + ret = of_property_read_u32(dev->of_node, "cell-index", &bus_num); + if (ret || bus_num > 5) + return dev_err_probe(dev, ret ? : -EINVAL, "Invalid cell-index property\n"); + master->bus_num = bus_num + 1; + master->num_chipselect = 255; master->setup = mpc52xx_psc_spi_setup; master->transfer_one_message = mpc52xx_psc_spi_transfer_one_message; master->cleanup = mpc52xx_psc_spi_cleanup; master->dev.of_node = dev->of_node; - mps->psc = devm_ioremap(dev, regaddr, size); + mps->psc = devm_platform_get_and_ioremap_resource(pdev, 0, NULL); if (!mps->psc) return dev_err_probe(dev, -EFAULT, "could not ioremap I/O port range\n"); /* On the 5200, fifo regs are immediately ajacent to the psc regs */ mps->fifo = ((void __iomem *)mps->psc) + sizeof(struct mpc52xx_psc); + mps->irq = platform_get_irq(pdev, 0); ret = devm_request_irq(dev, mps->irq, mpc52xx_psc_spi_isr, 0, "mpc52xx-psc-spi", mps); if (ret) @@ -338,35 +341,6 @@ static int mpc52xx_psc_spi_do_probe(struct device *dev, u32 regaddr, return devm_spi_register_master(dev, master); } -static int mpc52xx_psc_spi_of_probe(struct platform_device *op) -{ - const u32 *regaddr_p; - u64 regaddr64, size64; - s16 id = -1; - - regaddr_p = of_get_address(op->dev.of_node, 0, &size64, NULL); - if (!regaddr_p) { - dev_err(&op->dev, "Invalid PSC address\n"); - return -EINVAL; - } - regaddr64 = of_translate_address(op->dev.of_node, regaddr_p); - - /* get PSC id (1..6, used by port_config) */ - if (op->dev.platform_data == NULL) { - const u32 *psc_nump; - - psc_nump = of_get_property(op->dev.of_node, "cell-index", NULL); - if (!psc_nump || *psc_nump > 5) { - dev_err(&op->dev, "Invalid cell-index property\n"); - return -EINVAL; - } - id = *psc_nump + 1; - } - - return mpc52xx_psc_spi_do_probe(&op->dev, (u32)regaddr64, (u32)size64, - irq_of_parse_and_map(op->dev.of_node, 0), id); -} - static const struct of_device_id mpc52xx_psc_spi_of_match[] = { { .compatible = "fsl,mpc5200-psc-spi", }, { .compatible = "mpc5200-psc-spi", }, /* old */