From patchwork Fri Feb 17 20:45:40 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: 655026 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 B799EC636D7 for ; Fri, 17 Feb 2023 20:46:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229630AbjBQUqS (ORCPT ); Fri, 17 Feb 2023 15:46:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39456 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229880AbjBQUqQ (ORCPT ); Fri, 17 Feb 2023 15:46:16 -0500 Received: from mail-oa1-f51.google.com (mail-oa1-f51.google.com [209.85.160.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 474696242D; Fri, 17 Feb 2023 12:46:15 -0800 (PST) Received: by mail-oa1-f51.google.com with SMTP id 586e51a60fabf-17172b43531so2621898fac.1; Fri, 17 Feb 2023 12:46:15 -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=fuH69jlg4LfV23Zo8j5+//LYri3/03zc86yy3z3HRPo=; b=DmLcMxfbzjZzqTZMuWIs8+AK4rqKvcBJuCywGj9AMlnyjkxy+CdehVCGXkze6fkNgw 9S8Lky9R/sxUz28fTZ4iAY76JQwCPcY4X0Gir+1zRbAvjWsMkuI+4waGbR02/lGp4HUi JihBvoMCdb12Q55+ArzcvCfEwDFF9K14Pn5ZKP70glKl3KdjAfPL4zYS70KzJhxFNM0Y Uh7VdAAlktJ9vMRmUT1Am2WYO5jb+ddl9xxSTLOGfTanPsL2CyqqjOy8Nu+xU4CXiF++ 8sHw7jFhadEiL4NAkyh5/pdVKEnwfJ5122N8XDGZ0CoZs1YAPeTZ59b/Ii1kmo/YFwjE iDNQ== X-Gm-Message-State: AO0yUKX2o9iu6a3LfUGkrgK5nxGEV091dB/KNq5BznUGC01ClLJTP3Cm gIcESiO2BvzYYng7cYlcgw3I9RA61Q== X-Google-Smtp-Source: AK7set+isyYpyflbxbJCiAEih0YpIFd70SJdRnFvBD6wlmaafnbW4LGVnQroMpqNqsYOXF5Us/HDQg== X-Received: by 2002:a05:6870:d287:b0:16e:87e6:4699 with SMTP id d7-20020a056870d28700b0016e87e64699mr3625235oae.55.1676666774060; Fri, 17 Feb 2023 12:46:14 -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 nx18-20020a056870be9200b0017197602990sm175332oab.11.2023.02.17.12.46.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Feb 2023 12:46:13 -0800 (PST) Received: (nullmailer pid 1527514 invoked by uid 1000); Fri, 17 Feb 2023 20:46:11 -0000 From: Rob Herring Date: Fri, 17 Feb 2023 14:45:40 -0600 Subject: [PATCH 1/3] spi: mpc5xxx-psc: Remove unused platform_data MIME-Version: 1.0 Message-Id: <20230217-dt-mpc5xxx-spi-v1-1-3be8602fce1e@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 platform_data for the MPC5xxx PSC SPI controllers is never used, so remove it and the resulting code which depends on it. Signed-off-by: Rob Herring --- drivers/spi/spi-mpc512x-psc.c | 28 ++++------------------------ drivers/spi/spi-mpc52xx-psc.c | 39 +++------------------------------------ 2 files changed, 7 insertions(+), 60 deletions(-) diff --git a/drivers/spi/spi-mpc512x-psc.c b/drivers/spi/spi-mpc512x-psc.c index 03630359ce70..0b4d49ef84de 100644 --- a/drivers/spi/spi-mpc512x-psc.c +++ b/drivers/spi/spi-mpc512x-psc.c @@ -22,7 +22,6 @@ #include #include #include -#include #include enum { @@ -51,8 +50,6 @@ enum { __ret; }) struct mpc512x_psc_spi { - void (*cs_control)(struct spi_device *spi, bool on); - /* driver internal data */ int type; void __iomem *psc; @@ -128,26 +125,16 @@ static void mpc512x_psc_spi_activate_cs(struct spi_device *spi) mps->bits_per_word = cs->bits_per_word; if (spi->cs_gpiod) { - if (mps->cs_control) - /* boardfile override */ - mps->cs_control(spi, (spi->mode & SPI_CS_HIGH) ? 1 : 0); - else - /* gpiolib will deal with the inversion */ - gpiod_set_value(spi->cs_gpiod, 1); + /* gpiolib will deal with the inversion */ + gpiod_set_value(spi->cs_gpiod, 1); } } static void mpc512x_psc_spi_deactivate_cs(struct spi_device *spi) { - struct mpc512x_psc_spi *mps = spi_master_get_devdata(spi->master); - if (spi->cs_gpiod) { - if (mps->cs_control) - /* boardfile override */ - mps->cs_control(spi, (spi->mode & SPI_CS_HIGH) ? 0 : 1); - else - /* gpiolib will deal with the inversion */ - gpiod_set_value(spi->cs_gpiod, 0); + /* gpiolib will deal with the inversion */ + gpiod_set_value(spi->cs_gpiod, 0); } } @@ -474,7 +461,6 @@ static irqreturn_t mpc512x_psc_spi_isr(int irq, void *dev_id) static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, u32 size, unsigned int irq) { - struct fsl_spi_platform_data *pdata = dev_get_platdata(dev); struct mpc512x_psc_spi *mps; struct spi_master *master; int ret; @@ -490,12 +476,6 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, mps->type = (int)of_device_get_match_data(dev); mps->irq = irq; - if (pdata) { - mps->cs_control = pdata->cs_control; - master->bus_num = pdata->bus_num; - master->num_chipselect = pdata->max_chipselect; - } - master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST; master->setup = mpc512x_psc_spi_setup; master->prepare_transfer_hardware = mpc512x_psc_spi_prep_xfer_hw; diff --git a/drivers/spi/spi-mpc52xx-psc.c b/drivers/spi/spi-mpc52xx-psc.c index 609311231e64..604868df913c 100644 --- a/drivers/spi/spi-mpc52xx-psc.c +++ b/drivers/spi/spi-mpc52xx-psc.c @@ -18,7 +18,6 @@ #include #include #include -#include #include #include @@ -28,10 +27,6 @@ #define MCLK 20000000 /* PSC port MClk in hz */ struct mpc52xx_psc_spi { - /* fsl_spi_platform data */ - void (*cs_control)(struct spi_device *spi, bool on); - u32 sysclk; - /* driver internal data */ struct mpc52xx_psc __iomem *psc; struct mpc52xx_psc_fifo __iomem *fifo; @@ -101,17 +96,6 @@ static void mpc52xx_psc_spi_activate_cs(struct spi_device *spi) ccr |= (MCLK / 1000000 - 1) & 0xFF; out_be16((u16 __iomem *)&psc->ccr, ccr); mps->bits_per_word = cs->bits_per_word; - - if (mps->cs_control) - mps->cs_control(spi, (spi->mode & SPI_CS_HIGH) ? 1 : 0); -} - -static void mpc52xx_psc_spi_deactivate_cs(struct spi_device *spi) -{ - struct mpc52xx_psc_spi *mps = spi_master_get_devdata(spi->master); - - if (mps->cs_control) - mps->cs_control(spi, (spi->mode & SPI_CS_HIGH) ? 0 : 1); } #define MPC52xx_PSC_BUFSIZE (MPC52xx_PSC_RFNUM_MASK + 1) @@ -220,14 +204,9 @@ int mpc52xx_psc_spi_transfer_one_message(struct spi_controller *ctlr, m->actual_length += t->len; spi_transfer_delay_exec(t); - - if (cs_change) - mpc52xx_psc_spi_deactivate_cs(spi); } m->status = status; - if (status || !cs_change) - mpc52xx_psc_spi_deactivate_cs(spi); mpc52xx_psc_spi_transfer_setup(spi, NULL); @@ -269,7 +248,7 @@ static int mpc52xx_psc_spi_port_config(int psc_id, struct mpc52xx_psc_spi *mps) int ret; /* default sysclk is 512MHz */ - mclken_div = (mps->sysclk ? mps->sysclk : 512000000) / MCLK; + mclken_div = 512000000 / MCLK; ret = mpc52xx_set_psc_clkdiv(psc_id, mclken_div); if (ret) return ret; @@ -317,7 +296,6 @@ static irqreturn_t mpc52xx_psc_spi_isr(int irq, void *dev_id) static int mpc52xx_psc_spi_do_probe(struct device *dev, u32 regaddr, u32 size, unsigned int irq, s16 bus_num) { - struct fsl_spi_platform_data *pdata = dev_get_platdata(dev); struct mpc52xx_psc_spi *mps; struct spi_master *master; int ret; @@ -333,19 +311,8 @@ static int mpc52xx_psc_spi_do_probe(struct device *dev, u32 regaddr, master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST; mps->irq = irq; - if (pdata == NULL) { - dev_warn(dev, - "probe called without platform data, no cs_control function will be called\n"); - mps->cs_control = NULL; - mps->sysclk = 0; - master->bus_num = bus_num; - master->num_chipselect = 255; - } else { - mps->cs_control = pdata->cs_control; - mps->sysclk = pdata->sysclk; - master->bus_num = pdata->bus_num; - master->num_chipselect = pdata->max_chipselect; - } + master->bus_num = bus_num; + 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;