From nobody Sat Oct 4 17:30:13 2025 Received: from mail-wm1-f49.google.com (mail-wm1-f49.google.com [209.85.128.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B59D73002BE for ; Thu, 14 Aug 2025 16:07:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755187636; cv=none; b=HWz53jUrrnLya3eY2ltsbsnkGnwB2rh8jZoLAEGBoE3ktL8U4kTBe0qZxbQLIDr1mgpEGI7/GGQJfEEfDtC+nb65V7tFCxObHvb+RYj++j2QuXgomrcHbzpBApiyaicZkkvUNEqkq0OQD7c9km5j50C7s13ACCVmO8niLE6BTCc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755187636; c=relaxed/simple; bh=nLKgSvSgI7gDUsnC9ALIo8slGJAiPfy5nla9VR+CXBY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Q0AzwSYEAv46d4vOKiVpXxcabgIlcTFSsbjUsokwUsPhIpQCRfaoLEXn42bkzg8Zv8mFrpskf05uqyy0sZ7JUkUAPfZn+5eQ9EE1P8z8YBrlVRmAXWCvOluUwE1/8dMDbNIcULfAKcIEuqo8mgRCXmCkImxPpmsmNSEK1Ze+khQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=OpxXIH6W; arc=none smtp.client-ip=209.85.128.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="OpxXIH6W" Received: by mail-wm1-f49.google.com with SMTP id 5b1f17b1804b1-45a1b0cbbbaso7685325e9.3 for ; Thu, 14 Aug 2025 09:07:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1755187632; x=1755792432; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=4uUiAWgIv/rr4bdczjmXB0zM0zB+f4UfZqA/MDFkyEc=; b=OpxXIH6WnOgr9w2Rx+EIqSUiQTFtBf17ypM/jrVrZLCfamNvsf5mLZB9E3i9bGkUXy FZU97LRnAnJ6DbtOjjqW+hjq1D8a1qlCJStxsngTISkQJboYcY6lYoMOfVBi0dMVrR/o dYFXU+LNZMBDf7RH2F5ZjjLiGVyg3YWLgnEejCaG1Ewa1Y0cK18I34Jml5r5kXVISgTp v6kXwt6l64/2l5zilVq5nADsP1yR8BES5Ch027v+j+r7dgrvv+uDckfvSXBrWp1xM/RY Ido3qNvhqJrpbRcug3VZPm2kYV4Sbta6c7c/kCGPWqK8Zmmk6q+bIhuS1KUmoTCaVRji E8Uw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1755187632; x=1755792432; 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=4uUiAWgIv/rr4bdczjmXB0zM0zB+f4UfZqA/MDFkyEc=; b=GbU1rK/y0+7ys7y0pSM0MC/Rsuzu8uyWglhVsqf+OL7x5nC4ufI8RD4KpGbVOzpXQS 5PJqGQTh6n8HKZLgnn6NAaPWDrY30MDlEFM8ybzdhaYcW0grhugjUT+22WBMjnj3Vz39 QZ376LQPzDE/WZxs8UqUktBtxYW44E5CgbliZlL2dZQk4eCRhDzfpfbCDjF5LGwYl3wk FhyJROFC2cq3LcColRYHIZHC6oaQPPlWlvZLQnuKkv4VOXpCHSju1H5+cWxgxhqiwIpD eFaE9Yk9to6Jsldg9aHoo8EgxY/n6cN23EJd3Jh+LZGa26sdWPEdc2rwP557kcDHKG80 hHVQ== X-Forwarded-Encrypted: i=1; AJvYcCUwOR6qhG/TCIcqqiz9pjoFTpF2ZAIvbi2slZsBQw+YyreoW/GmPM/aDNmYzdT1EEDuC9oUxt1+ElKid2U=@vger.kernel.org X-Gm-Message-State: AOJu0YxPeICNqDXSqcKHHuxwB8uhnxHEvS5GYLGOKdRLGnPB7UPQTrCb DtHIbg7rcPn62KdY8gT5IpsWePK8/D0oLggDKSFChjf+K7O1XuxA8Wm+6nLVOq8dvXg= X-Gm-Gg: ASbGncuKpYIWojZ2nV5PgjXLtxK7mEJ9QMFFCaqHxfiMH2QYwy9GxCNPsWTh28hiazJ PLrLerQ9GwFrt1C9fKPMKd8nHz6kICPiyBVG2edRXvBxeyPUX8kSql6o8KmSfbdr28wxgb/KrKv ZKJgi/YbUovYTpVAmWhapEr+AA7lKMMtRfzXvz2dRrMph3I3X/0u1rLSWZjCHZXLcYDn07w88xz wiRIGF5qG2a8MFZ0xujYgS30JU0osvfluPFLYycbDh/VBNBas7uXBvt4/BZ7lkdA5VR7AqhDsMw wBzdIWLEOkH1KosHkRGR/PPRqqY0eWUhXIUgB5NsscKWGWXwP8D4RAzQzPSWO7hPWaTbo8wzSGq kgGDEfOwUaWLuiF4O1zR9x51KoKdJB6o= X-Google-Smtp-Source: AGHT+IFZZ/SClwkyS/5PD0FX0+0seHog/otwGwC9/uLDftMPrJiGWVG1n+A33cLiR0ff/m9sgu3Qog== X-Received: by 2002:a05:600c:35d3:b0:459:da76:d7aa with SMTP id 5b1f17b1804b1-45a1b6758a4mr27865565e9.25.1755187631973; Thu, 14 Aug 2025 09:07:11 -0700 (PDT) Received: from ho-tower-lan.lan ([185.48.76.109]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45a1c6bd172sm28363495e9.6.2025.08.14.09.07.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Aug 2025 09:07:11 -0700 (PDT) From: James Clark Date: Thu, 14 Aug 2025 17:06:49 +0100 Subject: [PATCH 09/13] spi: spi-fsl-lpspi: Parameterize reading num-cs from hardware Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250814-james-nxp-lpspi-v1-9-9586d7815d14@linaro.org> References: <20250814-james-nxp-lpspi-v1-0-9586d7815d14@linaro.org> In-Reply-To: <20250814-james-nxp-lpspi-v1-0-9586d7815d14@linaro.org> To: Frank Li , Mark Brown , Clark Wang , Fugang Duan , Gao Pan , Fugang Duan , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Fabio Estevam , Larisa Grigore , Larisa Grigore , Ghennadi Procopciuc , Ciprianmarian Costea , s32@nxp.com Cc: James Clark , linux-spi@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org X-Mailer: b4 0.14.0 To avoid adding more string matching here for every new device, move this property into devtype data. Signed-off-by: James Clark --- drivers/spi/spi-fsl-lpspi.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index 1013d5c994e9..6d0138b27785 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -97,6 +97,7 @@ static const char * const pincfgs[] =3D { =20 struct fsl_lpspi_devtype_data { bool prescale_err : 1; + bool query_hw_for_num_cs : 1; }; =20 struct lpspi_config { @@ -150,10 +151,12 @@ struct fsl_lpspi_data { */ static const struct fsl_lpspi_devtype_data imx93_lpspi_devtype_data =3D { .prescale_err =3D true, + .query_hw_for_num_cs =3D true, }; =20 static const struct fsl_lpspi_devtype_data imx7ulp_lpspi_devtype_data =3D { .prescale_err =3D false, + .query_hw_for_num_cs =3D false, }; =20 static const struct of_device_id fsl_lpspi_dt_ids[] =3D { @@ -960,7 +963,7 @@ static int fsl_lpspi_probe(struct platform_device *pdev) fsl_lpspi->rxfifosize =3D 1 << ((temp >> 8) & 0x0f); if (of_property_read_u32((&pdev->dev)->of_node, "num-cs", &num_cs)) { - if (of_device_is_compatible(pdev->dev.of_node, "fsl,imx93-spi")) + if (devtype_data->query_hw_for_num_cs) num_cs =3D ((temp >> 16) & 0xf); else num_cs =3D 1; --=20 2.34.1