From patchwork Sat Oct 12 09:53:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonas Gorski X-Patchwork-Id: 835173 Received: from mail-ej1-f43.google.com (mail-ej1-f43.google.com [209.85.218.43]) (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 6840C155321; Sat, 12 Oct 2024 09:54:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.43 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728726872; cv=none; b=MmHDn3CecY8ewfZuamhb01VkCd+rKaNsijPD0NNdX8/U8yZFOt0AiPDqi9Xrcir6WysxVmgiCB71nyWHDxQtQeXkwkHWfKcDtejgoocRTgM0AcTkoBSN8Jf4lzAm55YbX+HV25r0oz6sK5s5Oot27UT4+WWnDZOXjoNrjYkrW9M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728726872; c=relaxed/simple; bh=tT90fDfKY662Oo3574ntryYhNPrGX12nSuc69yzLIig=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=eFOIhVAk9/HtwZYqYo9XAEh21MP7RreAc7bCXnHA1XvUlZ0/L57zh0sTxIA3WxC4XVOb5aUpbHctFq5omVE+POnV1+vjA87u8kuD7nfxPnyGWo7vpgicYpYAZL0pIDPSeebMwz9uzbHlWuP/3Vzbr4i3bEcMIyYGXSBVQyIcfpA= 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=O+9JsbE/; arc=none smtp.client-ip=209.85.218.43 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="O+9JsbE/" Received: by mail-ej1-f43.google.com with SMTP id a640c23a62f3a-a99ebb390a5so69441366b.1; Sat, 12 Oct 2024 02:54:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1728726869; x=1729331669; 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=uRAJK2lijZlZ7uqxAhRv6bavE6DAc/XMDZFicjzd2Mw=; b=O+9JsbE/OGT3Lo+fB5ktgV27knhSJs0Lwb7Rn7Ufn0RTkLOZHb9Op5zx90qjUNIRhe XKxpgC9OdUCUi9naDZXreyBwmGv8WeniaMX4oQrx/MAIMJ/KMKIx3bJg17AIPppHtS9k crlGdPolVYtgMJ6q1/EjvUiBWsIW79xiCN12O/B7cAGCQPsSJREU5sDVwkyBoyy0Fojk 7+EISEQkyCk5zoFrayfSFFu9Fhf/aSN1frNpjaWXGTXq+sLal/axsAsF8DevFVtsPdsk xGcAu60RHbeF/R2LMRnj62YyU8Tj4cAeTW1FLy/YbrD3C/8yAEah8Oc8uZLBlsunOvEf eswA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728726869; x=1729331669; 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=uRAJK2lijZlZ7uqxAhRv6bavE6DAc/XMDZFicjzd2Mw=; b=tqjWM7qPU0tjVlYGXJadvszLtEVoN8uq99cdbG2R4UtOhmige+j5iCIm/w8GV4jF5+ OE9pMMJ3upoG6OlTqukmqLrdGOJh8Mae74yXOKs08WBPVmFD8h8PF2tmEpXqJ4iZFoT9 IV+wSJK5CsVVJBUifdLbFnQ9YvoIPjboj2VB6RpW3ZzoaAoO+LqGVzilSOzcWBLWz8Ya 0Y2Ew3jzkOxjNSJV5uTzUSSa1ooAvvsYlv+bsNi91zNpONIreEfgDlo5d2rhaDVWUlMG ZpkZ6VmPBUIympdv3uDdeleIVxwxHQJD8w1U+zYfZaoI9Jcx0aSBibRS6wl3rtfdV5Av cS0g== X-Forwarded-Encrypted: i=1; AJvYcCV0Rom4199rknubye8K1DurvITc84H1GkBNEqJPbNcRB11F2m/LJfUs9RNbfDjbg3pqqE2d6RgEOywTaR0=@vger.kernel.org X-Gm-Message-State: AOJu0Yw9UnQtPkPHG+J03D1dL1A6+iezBRyawBtrpMAtyv5sVpaNEyCZ ngFtLQrbPvPe56gmzLLUTsO5kxv5acdvwdr7L8UmLbJ8W6EPa9Vpaxn29M1ba4w= X-Google-Smtp-Source: AGHT+IHWzyYyIAL16jaxtcVte9iq4246C5sBQphF02aft7y1/jpOQGJdIeLeIKYwtpignkTd3q54UQ== X-Received: by 2002:a17:907:a0c9:b0:a99:ee23:dfb8 with SMTP id a640c23a62f3a-a99ee23e019mr106568766b.20.1728726868333; Sat, 12 Oct 2024 02:54:28 -0700 (PDT) Received: from localhost (dslb-002-200-173-220.002.200.pools.vodafone-ip.de. [2.200.173.220]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a99f5ff0cf7sm14740766b.155.2024.10.12.02.54.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 12 Oct 2024 02:54:27 -0700 (PDT) From: Jonas Gorski Date: Sat, 12 Oct 2024 11:53:39 +0200 Subject: [PATCH 5/6] Revert "spi: Raise limit on number of chip selects" Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241012-spi_multi_cs_cleanup-v1-5-dc491113880d@gmail.com> References: <20241012-spi_multi_cs_cleanup-v1-0-dc491113880d@gmail.com> In-Reply-To: <20241012-spi_multi_cs_cleanup-v1-0-dc491113880d@gmail.com> To: Mark Brown , Amit Kumar Mahapatra Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.2 Now that we removed the limit of chip selects for the controller, we can reduce the amount of chip selects per device again to its original value. This reverts commit 2f8c7c3715f2c6fb51a4ecc0905c04dd78a3da29. Signed-off-by: Jonas Gorski --- include/linux/spi/spi.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 77511c7d40df7085644cecaae325c982fb306afa..fe99f46c7d926eeb75398f4dddc5ef64d8f7736e 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -21,7 +21,7 @@ #include /* Max no. of CS supported per spi device */ -#define SPI_CS_CNT_MAX 16 +#define SPI_CS_CNT_MAX 4 struct dma_chan; struct software_node;