From patchwork Wed May 10 08:11:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maksim Kiselev X-Patchwork-Id: 13236603 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 58030C7EE22 for ; Wed, 10 May 2023 08:12:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236532AbjEJIMD (ORCPT ); Wed, 10 May 2023 04:12:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58342 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236290AbjEJIMA (ORCPT ); Wed, 10 May 2023 04:12:00 -0400 Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DB4234EFE; Wed, 10 May 2023 01:11:55 -0700 (PDT) Received: by mail-wr1-x431.google.com with SMTP id ffacd0b85a97d-3062db220a3so4456678f8f.0; Wed, 10 May 2023 01:11:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1683706314; x=1686298314; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=77wc1d6atkrSEJWlP3Ir0nLtSYker340vhK9d9PW+mI=; b=ae0I6iddFisGGANa9OOcfirX9cB0n+MSDzgjiH+0SR+KzIbiMhbsU7lKAKHsINsAdL nlio9quJn2D75JzGpvuSrFuC5wonhJgndyBVjQSmqjmxQD5mx7C0iZ2Nl0fMI5ofuiGK BtLscgOl6d764lfDlUAHFezOowTkPUQMQmgoydbi6QPB0EQHOeEcHAgQQjEHgtrayVjF HMXJIZCsQEiKq1GX1YZwmchI5biSj/INjJWi2JS4jYF/yUbqclmtucW1Ib2Hogj7pRXf 5WBWYeHZ8q1SZ/N5RItG3Iy0T4epZmLAPvICMtxCUZ46dJVk7yS9n3e+6LmO1m4mQlCf hBMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683706314; x=1686298314; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=77wc1d6atkrSEJWlP3Ir0nLtSYker340vhK9d9PW+mI=; b=O8kQh/vDkx02cntUxnsuV/B2ZaqPQMQJXqMpOtccUq12CnJawtOPA/FrZ6z6M+x0ma +yyW7MyIlmhMfqpZ28eHyNI7X3qV60+DYVs/ywU5J+dpjmGPehcUbjxOSLTnplNVnlKB qqgIwECv6ggXM5khPpfaRwrCNAGh7U4w48jZ/NcG3Zd3MAXMzGd45MhZabaC0To3I3zu Vaywd64ZYzMyIXBRLCeU7CGoEiMX7TtF1cIjhBVlOJUljBaCWvilZYE2slh4dn8G4nSJ Tu5GGjJEVa1rrE72/vX2285/0OGI+oz0Ma+GKrsXMppRwj2Nvq2GJ0ONRRne6THf2hQR wKpw== X-Gm-Message-State: AC+VfDypqyQM1Em9AgPR05FlZQHi9YyXBSkczy8q6owRox2RoXO9+PSI 3rTEqYyULB1Py/arN28y5FTDCLSbNoWyCfzt X-Google-Smtp-Source: ACHHUZ7LOXg/DkoBru/U76rMVLiEGmaOUTu4YooGzoHGu24IFRnzbR7KaWi2Y+Iz6Mo8QI4e9lZzGQ== X-Received: by 2002:a5d:43c4:0:b0:307:6278:611a with SMTP id v4-20020a5d43c4000000b003076278611amr12190947wrr.21.1683706314126; Wed, 10 May 2023 01:11:54 -0700 (PDT) Received: from localhost.localdomain ([176.221.215.212]) by smtp.gmail.com with ESMTPSA id f16-20020a5d4dd0000000b003062ad45243sm16496375wru.14.2023.05.10.01.11.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 May 2023 01:11:53 -0700 (PDT) From: Maksim Kiselev To: Andre Przywara Cc: Icenowy Zheng , Maksim Kiselev , Samuel Holland , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Paul Walmsley , Palmer Dabbelt , Albert Ou , Cristian Ciocaltea , Maxime Ripard , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: [PATCH v5 2/5] spi: sun6i: change OF match data to a struct Date: Wed, 10 May 2023 11:11:09 +0300 Message-Id: <20230510081121.3463710-3-bigunclemax@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230510081121.3463710-1-bigunclemax@gmail.com> References: <20230510081121.3463710-1-bigunclemax@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org From: Icenowy Zheng As we're adding more properties to the OF match data, convert it to a struct now. Signed-off-by: Icenowy Zheng Signed-off-by: Maksim Kiselev Reviewed-by: Samuel Holland Reviewed-by: Andre Przywara Reviewed-by: Jernej Skrabec --- drivers/spi/spi-sun6i.c | 32 ++++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/drivers/spi/spi-sun6i.c b/drivers/spi/spi-sun6i.c index 7532c85a352c..01a01cd86db5 100644 --- a/drivers/spi/spi-sun6i.c +++ b/drivers/spi/spi-sun6i.c @@ -85,6 +85,10 @@ #define SUN6I_TXDATA_REG 0x200 #define SUN6I_RXDATA_REG 0x300 +struct sun6i_spi_cfg { + unsigned long fifo_depth; +}; + struct sun6i_spi { struct spi_master *master; void __iomem *base_addr; @@ -99,7 +103,7 @@ struct sun6i_spi { const u8 *tx_buf; u8 *rx_buf; int len; - unsigned long fifo_depth; + const struct sun6i_spi_cfg *cfg; }; static inline u32 sun6i_spi_read(struct sun6i_spi *sspi, u32 reg) @@ -156,7 +160,7 @@ static inline void sun6i_spi_fill_fifo(struct sun6i_spi *sspi) u8 byte; /* See how much data we can fit */ - cnt = sspi->fifo_depth - sun6i_spi_get_tx_fifo_count(sspi); + cnt = sspi->cfg->fifo_depth - sun6i_spi_get_tx_fifo_count(sspi); len = min((int)cnt, sspi->len); @@ -289,14 +293,14 @@ static int sun6i_spi_transfer_one(struct spi_master *master, * the hardcoded value used in old generation of Allwinner * SPI controller. (See spi-sun4i.c) */ - trig_level = sspi->fifo_depth / 4 * 3; + trig_level = sspi->cfg->fifo_depth / 4 * 3; } else { /* * Setup FIFO DMA request trigger level * We choose 1/2 of the full fifo depth, that value will * be used as DMA burst length. */ - trig_level = sspi->fifo_depth / 2; + trig_level = sspi->cfg->fifo_depth / 2; if (tfr->tx_buf) reg |= SUN6I_FIFO_CTL_TF_DRQ_EN; @@ -410,9 +414,9 @@ static int sun6i_spi_transfer_one(struct spi_master *master, reg = SUN6I_INT_CTL_TC; if (!use_dma) { - if (rx_len > sspi->fifo_depth) + if (rx_len > sspi->cfg->fifo_depth) reg |= SUN6I_INT_CTL_RF_RDY; - if (tx_len > sspi->fifo_depth) + if (tx_len > sspi->cfg->fifo_depth) reg |= SUN6I_INT_CTL_TF_ERQ; } @@ -543,7 +547,7 @@ static bool sun6i_spi_can_dma(struct spi_master *master, * the fifo length we can just fill the fifo and wait for a single * irq, so don't bother setting up dma */ - return xfer->len > sspi->fifo_depth; + return xfer->len > sspi->cfg->fifo_depth; } static int sun6i_spi_probe(struct platform_device *pdev) @@ -582,7 +586,7 @@ static int sun6i_spi_probe(struct platform_device *pdev) } sspi->master = master; - sspi->fifo_depth = (unsigned long)of_device_get_match_data(&pdev->dev); + sspi->cfg = of_device_get_match_data(&pdev->dev); master->max_speed_hz = 100 * 1000 * 1000; master->min_speed_hz = 3 * 1000; @@ -695,9 +699,17 @@ static void sun6i_spi_remove(struct platform_device *pdev) dma_release_channel(master->dma_rx); } +static const struct sun6i_spi_cfg sun6i_a31_spi_cfg = { + .fifo_depth = SUN6I_FIFO_DEPTH, +}; + +static const struct sun6i_spi_cfg sun8i_h3_spi_cfg = { + .fifo_depth = SUN8I_FIFO_DEPTH, +}; + static const struct of_device_id sun6i_spi_match[] = { - { .compatible = "allwinner,sun6i-a31-spi", .data = (void *)SUN6I_FIFO_DEPTH }, - { .compatible = "allwinner,sun8i-h3-spi", .data = (void *)SUN8I_FIFO_DEPTH }, + { .compatible = "allwinner,sun6i-a31-spi", .data = &sun6i_a31_spi_cfg }, + { .compatible = "allwinner,sun8i-h3-spi", .data = &sun8i_h3_spi_cfg }, {} }; MODULE_DEVICE_TABLE(of, sun6i_spi_match);