From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D75AC3AC0D7 for ; Fri, 15 May 2026 11:57:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778846246; cv=none; b=KZ1GBHMjl9trGDQnG3fDJFjgmuDgMkck1rdShREIkVZDYT1mc+i2mN/QolvQav9CF727mNtwh+1PlHEd76fMAi5qPKh4fq7zkozk1Z5A59ZJ5FLryhNu8mZfn4b6agBOQAbyF4NlOT27LMMVQsfqYHh21TJ9c9281sUiZN1/0tU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778846246; c=relaxed/simple; bh=nx0J1QX5oaXOCykQ07CxVUiQY0PaY0fsVt6IsOUPFtQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=hxaHn3C98u3V4DW0qUlOwZybg9f4uom0WJtOXXXVSPejALe6MAeaA9DiKU65sy0eehoC8+efLs3bWZWWtXkpTb43+iCVstr67G958WWfuS4XMsj4lh5cXx60Gk0dvl6OmpDkGfqXzNUKG1ehbezKnBIoNaLmJXjPKtA217mtX4Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=ofACj4MP; arc=none smtp.client-ip=185.246.85.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="ofACj4MP" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id 7FA234E42CAF; Fri, 15 May 2026 11:57:23 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 570D3606FD; Fri, 15 May 2026 11:57:23 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id E60D911AF8C5C; Fri, 15 May 2026 13:57:21 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1778846242; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=KWr11r2W+5gIUvnQAWZ5dbd+eVz+6vXjcvqbFYT0Wo8=; b=ofACj4MP9e5VeMy9iJzUnpG5d6Tf84OcahQPR0FHmY7vM3EybAu/Rx/HgQhDclz85voYYa v5U4+EWWtgUuDNmvvXvXTzhTQa58FiJ7dvNT0iKRG3mE3ZGnxTm3rX9uK+nxBFPxj5kjGL AzJd6ASCHjq1MvsTZ00F5+/yUCtNiXda2i8UyEzQcTpH+j+ymTCL3deSRAuhUzb/Was1Cb rwVbBC9+mLNN46ciglKmLKl4ahGxIUNUQP60MlLqHVZSaXnzozB4u4gO2Qqdpflt1zuY27 g8VJ0org0rqmcMUjMTyronMSPaaeqLwZqVP0lEi3btrjDqs7eyTlm6mzv+IfYQ== From: Mathieu Dubois-Briand Date: Fri, 15 May 2026 13:56:57 +0200 Subject: [PATCH v2 2/2] nvmem: layouts: Make the fixed-layout driver optional 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: 7bit Message-Id: <20260515-mathieu-nvmem-fixed-layout-v2-2-8ac215dd4016@bootlin.com> References: <20260515-mathieu-nvmem-fixed-layout-v2-0-8ac215dd4016@bootlin.com> In-Reply-To: <20260515-mathieu-nvmem-fixed-layout-v2-0-8ac215dd4016@bootlin.com> To: Srinivas Kandagatla , Greg Kroah-Hartman Cc: Miquel Raynal , =?utf-8?q?Gr=C3=A9gory_Clement?= , Thomas Petazzoni , linux-kernel@vger.kernel.org, stable@vger.kernel.org, Mathieu Dubois-Briand X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1778846239; l=1950; i=mathieu.dubois-briand@bootlin.com; s=20241219; h=from:subject:message-id; bh=nx0J1QX5oaXOCykQ07CxVUiQY0PaY0fsVt6IsOUPFtQ=; b=vJ8C0JgVunY0CqA0AwqdsO34bPgkxulBxzU4qZ0fttgd7pZ8kkaTfi0FWAdTqP3VwKjjofYw5 e9IqAPHjU/KASTN4gm4lr9P9jcz+Xznsph3o/XxzrbGRh3zODLorPSs X-Developer-Key: i=mathieu.dubois-briand@bootlin.com; a=ed25519; pk=1PVTmzPXfKvDwcPUzG0aqdGoKZJA3b9s+3DqRlm0Lww= X-Last-TLS-Session-Version: TLSv1.3 The fixed-layout support is now managed by a separate driver, so we can make this support optional. This aligns with the approach taken for other layout drivers. Signed-off-by: Mathieu Dubois-Briand --- drivers/nvmem/core.c | 1 + drivers/nvmem/layouts/Kconfig | 8 ++++++++ drivers/nvmem/layouts/Makefile | 2 +- 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 0ec4924c4bda..594180d4b889 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -834,6 +834,7 @@ int nvmem_add_cells_from_dt(struct nvmem_device *nvmem, struct device_node *np) return 0; } +EXPORT_SYMBOL_GPL(nvmem_add_cells_from_dt); static int nvmem_add_cells_from_legacy_of(struct nvmem_device *nvmem) { diff --git a/drivers/nvmem/layouts/Kconfig b/drivers/nvmem/layouts/Kconfig index 5e586dfebe47..f823d56210a3 100644 --- a/drivers/nvmem/layouts/Kconfig +++ b/drivers/nvmem/layouts/Kconfig @@ -8,6 +8,14 @@ if NVMEM_LAYOUTS menu "Layout Types" +config NVMEM_LAYOUT_FIXED_LAYOUT + tristate "Fixed layout support" + help + Say Y here to enable support for NVMEM fixed layout, which provides a + way to describe memory cells with fixed offsets and sizes. + + If unsure, say N. + config NVMEM_LAYOUT_SL28_VPD tristate "Kontron sl28 VPD layout support" select CRC8 diff --git a/drivers/nvmem/layouts/Makefile b/drivers/nvmem/layouts/Makefile index dd6c6c70b1a9..9da790a9dde9 100644 --- a/drivers/nvmem/layouts/Makefile +++ b/drivers/nvmem/layouts/Makefile @@ -3,7 +3,7 @@ # Makefile for nvmem layouts. # -obj-$(CONFIG_NVMEM_LAYOUTS) += fixed-layout.o +obj-$(CONFIG_NVMEM_LAYOUT_FIXED_LAYOUT) += fixed-layout.o obj-$(CONFIG_NVMEM_LAYOUT_SL28_VPD) += sl28vpd.o obj-$(CONFIG_NVMEM_LAYOUT_ONIE_TLV) += onie-tlv.o obj-$(CONFIG_NVMEM_LAYOUT_U_BOOT_ENV) += u-boot-env.o -- 2.47.3