From patchwork Thu Feb 15 18:00:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 773277 Received: from mail-lf1-f52.google.com (mail-lf1-f52.google.com [209.85.167.52]) (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 036B11386DE; Thu, 15 Feb 2024 18:01:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.52 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708020090; cv=none; b=MmUrODagNJzzu9b2WY2whIkx5TleJX/CyPKlQBkqgPMiBmnE5gdBmRH8QBBS9X5DLRC3sW9nxG1D+FaHBecAPb1I/YIdw7Z7ZjukPKcud9OS2MldTZb90LpsLRNquAG7rzxrBijS3emqj+glII0oVQqU1K2TWpxola7GZqKqGes= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708020090; c=relaxed/simple; bh=F8Y/aairEGyfuvo2EhCMfvxfxlwtJhutuIxOg1R0p08=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VqM56v4FXlQmCjZI/pT2dAkLkiFJ/6xyhTbBX5wjVjCI0/NCFPO39oE8A5yLOmxR4VJEZzZo4aET9t/kPKzmsDNupRDU+I4XDMF/uzstRIteNAXiSoeNF+251BIoIT2t5jwKwQOmKZXh7P2CZRZfJRZigo8/p5aGsYBFtQA/IVM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=AUwvJFXh; arc=none smtp.client-ip=209.85.167.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="AUwvJFXh" Received: by mail-lf1-f52.google.com with SMTP id 2adb3069b0e04-511acd26befso1438303e87.1; Thu, 15 Feb 2024 10:01:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1708020087; x=1708624887; darn=vger.kernel.org; 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=TdhViubu+MQPzCyySbbId4maKldHevwaTkO7BnF3q5g=; b=AUwvJFXhXiFYN22auaZiEEPHGvIGgZgOazZDxq8BQ25rVG+RHCd/VB9Xtvpsipao/l TdZfuGnhtrtSw7jqIbgS3vN4vvbUe1XXsGhptJTZ+L6wmqgphXi55UCraT7dO92vfz0o jA9sTRn/aH3DCHF0dyhXxwR9XjhYnsKuOXQ8U4hPp7h40JnRAJGk3tZ9G/BTo2/Dy4lY daU15JkDb0VpmVFSWK876Vkm9hDY+JxfjAlwu9knJwycwgWehZ5stUuOg5nBUKVlmEwD UhHrbAVQYh/kbakAtktNO1tToQ4T7aOE0eIjX58UyAJ6wiDe/aI9FkR9NYCkGFyKc7A1 KjUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708020087; x=1708624887; 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=TdhViubu+MQPzCyySbbId4maKldHevwaTkO7BnF3q5g=; b=F521ACCwCW0xuVlQxgnEfnndqEiPvGG2QY6FgS3Ti2nDqaenj8euv93qAnjPpZhJkG f/GtY0H0y26n0411497vzX2SIsQS781xRuIsPTBW5SnNNmtVX7b0i/rW8FMFlrt0AsBz JjPFPuYn4/xLBHMoNNwBd204QwXzVSqt70pEP66eTAwlP82VcRw4lw1TSkzM55/us52N PNfYqUCazGYn757sSHb76oVjjpnpPBsgbAzH9Z9JOIK8IeKZ7EbQs97B+vulE4FWjujg 66fIrUGm8oTgUy4bUHawF7UAV2Mx4TTmwl8fzcDXbpMHJou3hirhBUQZYt5ls7c/Zh3a zdYw== X-Forwarded-Encrypted: i=1; AJvYcCUHaDDN5bV2cq8JIEtuxCQ08INklpsyREOO0+EyTm1O+7CYUbceIQRs362ZdRW/cO6QdjW3DN6go480KKfaUNxiMifXunElc+b8ExLE0DX+B9tpiTje9gKr7Hp45g3OAG8ZXglE+O9j X-Gm-Message-State: AOJu0YxVZKH7rE6sT5M0CGvbwHM4Or5S2r1tYkpGjCN0QUTZIFG6jQwV q6B2QmcjqB1DZbd9edfcXHND7+vDyoU2kqHO4tVtMUN6+SFHYTcw X-Google-Smtp-Source: AGHT+IHSmBrHT1mMnf+cZcOFAB4WcDzDO4pDKGZt3PKVxRtqV+hJfiG+sojUkY7CwMX4uOxWAtGXsA== X-Received: by 2002:a19:9152:0:b0:511:4824:6718 with SMTP id y18-20020a199152000000b0051148246718mr1991126lfj.56.1708020086584; Thu, 15 Feb 2024 10:01:26 -0800 (PST) Received: from localhost ([178.176.56.174]) by smtp.gmail.com with ESMTPSA id x7-20020a19f607000000b005118c6d6a2fsm322769lfe.305.2024.02.15.10.01.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Feb 2024 10:01:26 -0800 (PST) From: Serge Semin To: Serge Semin , Mark Brown , Andy Shevchenko Cc: Alexey Malahov , Andy Shevchenko , Andy Shevchenko , linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] spi: dw: Drop default number of CS setting Date: Thu, 15 Feb 2024 21:00:48 +0300 Message-ID: <20240215180102.13887-4-fancer.lancer@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240215180102.13887-1-fancer.lancer@gmail.com> References: <20240215180102.13887-1-fancer.lancer@gmail.com> Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 DW APB/AHB SSI core now supports the procedure which automatically determines the number of native CS. Thus there is no longer point in defaulting to four CS if platform doesn't specify the real number. Signed-off-by: Serge Semin --- drivers/spi/spi-dw-mmio.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c index cc74cbe03431..eb335fcc8720 100644 --- a/drivers/spi/spi-dw-mmio.c +++ b/drivers/spi/spi-dw-mmio.c @@ -364,11 +364,8 @@ static int dw_spi_mmio_probe(struct platform_device *pdev) &dws->reg_io_width)) dws->reg_io_width = 4; - num_cs = 4; - - device_property_read_u32(&pdev->dev, "num-cs", &num_cs); - - dws->num_cs = num_cs; + if (!device_property_read_u32(&pdev->dev, "num-cs", &num_cs)) + dws->num_cs = num_cs; init_func = device_get_match_data(&pdev->dev); if (init_func) {