From nobody Mon Feb 9 12:43:35 2026 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 2D08EEB64DD for ; Mon, 7 Aug 2023 08:24:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231248AbjHGIYl (ORCPT ); Mon, 7 Aug 2023 04:24:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56084 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231182AbjHGIYa (ORCPT ); Mon, 7 Aug 2023 04:24:30 -0400 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C814110EF for ; Mon, 7 Aug 2023 01:24:28 -0700 (PDT) Received: by mail.gandi.net (Postfix) with ESMTPSA id 96901E0009; Mon, 7 Aug 2023 08:24:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1691396667; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=J4dYHwL4Kcq6etObC2M6cBOZ7KmMlQzjfr2hw8SBaeU=; b=k0m+gdyJ6Vm0q6GmoAjRjCfBdOudPAv2IYDn0ESIIZv99751WKcNHURJbrFnlLN2QegL2X 8nFBg+SVsgeCYV5HM438lEg4vBk4pusSkGMCZp86WepN7lrWgpnAJTGrpUsCVAMtHIkqQn n+jTgPEXCtwiLnTp4gxQCOamku6BoiyArRG4GTO0uCLWwtdddoPGbox5reVhzk6HwxqWa/ 8pBJB0nkGHVuZ5HcrcyU4YnfgSShZaXhAohRNF7aH+tQGAb/xAMKHBlfJKF5XIRtH7wuft KoXKCvUzQGilbGrSlR26XLgpzU4zbAQs9/OE56ubIqf91dUsDhrXz8e/+MQw5Q== From: Miquel Raynal To: Srinivas Kandagatla Cc: Greg Kroah-Hartman , Thomas Petazzoni , Robert Marko , Luka Perkov , Michael Walle , , Randy Dunlap , Chen-Yu Tsai , Daniel Golle , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , Miquel Raynal Subject: [PATCH v8 5/8] nvmem: core: Notify when a new layout is registered Date: Mon, 7 Aug 2023 10:24:16 +0200 Message-Id: <20230807082419.38780-6-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230807082419.38780-1-miquel.raynal@bootlin.com> References: <20230807082419.38780-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-GND-Sasl: miquel.raynal@bootlin.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Tell listeners a new layout was introduced and is now available. Signed-off-by: Miquel Raynal --- drivers/nvmem/core.c | 4 ++++ include/linux/nvmem-consumer.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 4e81e0aaf433..0406fbc7b750 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -776,12 +776,16 @@ int __nvmem_layout_register(struct nvmem_layout *layo= ut, struct module *owner) list_add(&layout->node, &nvmem_layouts); spin_unlock(&nvmem_layout_lock); =20 + blocking_notifier_call_chain(&nvmem_notifier, NVMEM_LAYOUT_ADD, layout); + return 0; } EXPORT_SYMBOL_GPL(__nvmem_layout_register); =20 void nvmem_layout_unregister(struct nvmem_layout *layout) { + blocking_notifier_call_chain(&nvmem_notifier, NVMEM_LAYOUT_REMOVE, layout= ); + spin_lock(&nvmem_layout_lock); list_del(&layout->node); spin_unlock(&nvmem_layout_lock); diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h index 27373024856d..4523e4e83319 100644 --- a/include/linux/nvmem-consumer.h +++ b/include/linux/nvmem-consumer.h @@ -43,6 +43,8 @@ enum { NVMEM_REMOVE, NVMEM_CELL_ADD, NVMEM_CELL_REMOVE, + NVMEM_LAYOUT_ADD, + NVMEM_LAYOUT_REMOVE, }; =20 #if IS_ENABLED(CONFIG_NVMEM) --=20 2.34.1