From nobody Wed Feb 11 20:02:57 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 A34E8C76196 for ; Tue, 11 Apr 2023 13:51:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231142AbjDKNvE (ORCPT ); Tue, 11 Apr 2023 09:51:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230477AbjDKNuz (ORCPT ); Tue, 11 Apr 2023 09:50:55 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D1D37525B for ; Tue, 11 Apr 2023 06:50:43 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 71A2A21A24; Tue, 11 Apr 2023 13:50:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1681221042; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=NvWVP5e+XAqpbnwMFQk6xu3LjJ/hip0XrESPfy8zT58=; b=SZ+TeXNJfIO6OCuNqDZxmia5RGd5ZE0qlBwJWTgtdskS7Q0BXVsQu558yBQVWmtj7ectnI 5aNrRu1MGPcYRTHYxLxqJD73fu1LfbxNOTUOR6ZFH3kcJZsYueWoGQslWKydfy8xsGbjjx ybDdeJuwkY1VNrUiD2YbIGyvzSBRcW8= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1681221042; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=NvWVP5e+XAqpbnwMFQk6xu3LjJ/hip0XrESPfy8zT58=; b=SRYEM8WpLIJBsO8UIOTYSIYYr8pk89zuOQ2bqPXiN3F92GW6KZ+vFbVWEvlkLKkRjgRJJB waKxXjScLnWrZzAw== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 5DF9B13519; Tue, 11 Apr 2023 13:50:42 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id wM07FrJlNWTyQwAAMHmgww (envelope-from ); Tue, 11 Apr 2023 13:50:42 +0000 From: "Ivan T. Ivanov" To: Srinivas Kandagatla Cc: Nicolas Saenz Julienne , Florian Fainelli , Stefan Wahren , linux-rpi-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, "Ivan T. Ivanov" Subject: [PATCH] nvmem: rmem: Make reserved region name unique Date: Tue, 11 Apr 2023 16:50:35 +0300 Message-Id: <20230411135035.106725-1-iivanov@suse.de> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" They could be multiple reserved memory regions, so let's make their names unique. This fixes following kernel error: [ 9.831285] sysfs: cannot create duplicate filename '/bus/nvmem/devices/= rmem0' [ 9.831304] CPU: 3 PID: 467 Comm: (udev-worker) Not tainted 6.2.9-1-defa= ult #1 openSUSE Tumbleweed a4aeb3a90c0f23041a8a7944b12739b07585f009 [ 9.831326] Hardware name: raspberrypi rpi/rpi, BIOS 2023.01 01/01/2023 [ 9.831335] Call trace: [ 9.831343] dump_backtrace+0xe4/0x140 [ 9.831366] show_stack+0x20/0x30 [ 9.831379] dump_stack_lvl+0x64/0x80 [ 9.831398] dump_stack+0x18/0x34 [ 9.831410] sysfs_warn_dup+0x6c/0x90 [ 9.831424] sysfs_do_create_link_sd+0xf8/0x100 [ 9.831437] sysfs_create_link+0x28/0x50 [ 9.831449] bus_add_device+0x70/0x190 [ 9.831468] device_add+0x3e8/0x84c [ 9.831481] nvmem_register+0x85c/0x9f0 [ 9.831500] devm_nvmem_register+0x24/0x70 [ 9.831517] rmem_probe+0xa0/0xf4 [nvmem_rmem 649243b01e5e28ee94e4dd53bd= 13b6ececa836f8] [ 9.831555] platform_probe+0x70/0xd0 [ 9.831566] really_probe+0xc8/0x3e4 [ 9.831582] __driver_probe_device+0x84/0x190 [ 9.831598] driver_probe_device+0x44/0x11c [ 9.831613] __driver_attach+0xf8/0x200 [ 9.831629] bus_for_each_dev+0x78/0xd0 [ 9.831643] driver_attach+0x2c/0x40 [ 9.831657] bus_add_driver+0x188/0x250 [ 9.831672] driver_register+0x80/0x13c [ 9.831688] __platform_driver_register+0x30/0x40 [ 9.831699] rmem_driver_init+0x28/0x1000 [nvmem_rmem 649243b01e5e28ee94= e4dd53bd13b6ececa836f8] [ 9.831727] do_one_initcall+0x48/0x2bc [ 9.831740] do_init_module+0x50/0x1f0 [ 9.831753] load_module+0x1e54/0x2250 [ 9.831763] __do_sys_init_module+0x2ac/0x2f0 [ 9.831774] __arm64_sys_init_module+0x24/0x30 [ 9.831785] invoke_syscall+0x78/0x100 [ 9.831803] el0_svc_common.constprop.0+0x15c/0x180 [ 9.831820] do_el0_svc+0x40/0xb0 [ 9.831836] el0_svc+0x34/0x134 [ 9.831850] el0t_64_sync_handler+0x114/0x120 [ 9.831865] el0t_64_sync+0x1a4/0x1a8 [ 9.831956] rmem: probe of 3ef62ce0.nvram failed with error -17 Some background information about the issue could be found here: https://bugzilla.suse.com/show_bug.cgi?id=3D1206846 Signed-off-by: Ivan T. Ivanov --- drivers/nvmem/rmem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nvmem/rmem.c b/drivers/nvmem/rmem.c index 80cb187f1481..77c70a47d519 100644 --- a/drivers/nvmem/rmem.c +++ b/drivers/nvmem/rmem.c @@ -70,7 +70,7 @@ static int rmem_probe(struct platform_device *pdev) =20 config.dev =3D dev; config.priv =3D priv; - config.name =3D "rmem"; + config.name =3D dev_name(dev); config.size =3D mem->size; config.reg_read =3D rmem_read; =20 --=20 2.35.3