From nobody Mon Feb 9 09:32:58 2026 Received: from TWMBX01.aspeed.com (mail.aspeedtech.com [211.20.114.72]) (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 5937638A71F; Fri, 23 Jan 2026 03:46:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.20.114.72 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769140025; cv=none; b=Lm80k1LnGImgO08FGTV7MjrlDxb9dWSGB8yeAUTNdNTy0et3l0EFLvYJih4NKFXdzB+h3LfVNrY6w6VIhUMv/5tCyez7upV2cMte4AmQUASPDs7k/jlbLjLrj9V/GmR6xftwQ7rN4DzChBxhd6fhzYLZT0+8z3xDIHCLLDEQBGk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769140025; c=relaxed/simple; bh=9aHMGO/anwtWi10C7W8Ai9OrN9GsPC2DEymoczNF6rQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=mmaN1U40bNRXcwQNvdPtaNg5HCFLi24o5BCBEizRQG/smvYWHoan1sE/u8m9vo4hn0TqeKiH8jfsyl7ZF/LuKHC1baSIcZErDU3yFUdFahw2X9Wf3FmvpaITTAip4ftlr5/DqqBCbRUG93h8NJmHt2oM9Oc/SLG7P19FQPviTMU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=aspeedtech.com; spf=pass smtp.mailfrom=aspeedtech.com; arc=none smtp.client-ip=211.20.114.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=aspeedtech.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aspeedtech.com Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Fri, 23 Jan 2026 11:41:23 +0800 Received: from [127.0.1.1] (192.168.10.13) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1748.10 via Frontend Transport; Fri, 23 Jan 2026 11:41:23 +0800 From: Billy Tsai Date: Fri, 23 Jan 2026 11:41:24 +0800 Subject: [PATCH v2 2/3] pinctrl: single: Allow probe to continue if mem region busy 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: quoted-printable Message-ID: <20260123-upstream_pinctrl_single-v2-2-40f8063cc5a2@aspeedtech.com> References: <20260123-upstream_pinctrl_single-v2-0-40f8063cc5a2@aspeedtech.com> In-Reply-To: <20260123-upstream_pinctrl_single-v2-0-40f8063cc5a2@aspeedtech.com> To: Tony Lindgren , Haojian Zhuang , Linus Walleij CC: , , , , , , Billy Tsai X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1769139683; l=1297; i=billy_tsai@aspeedtech.com; s=20251118; h=from:subject:message-id; bh=9aHMGO/anwtWi10C7W8Ai9OrN9GsPC2DEymoczNF6rQ=; b=aC26hM/5lK5cZSG9V/1e7i3Y0dO21BHJzfl10I20XP7hc0ehyPeSZt/1D/st4qqOUGDNQWeMq /oGQrN5J3Z5C+IVl3NQ2gKiShy7VO6IaH+Mw0O9EP/TyyyV5QxTUJLB X-Developer-Key: i=billy_tsai@aspeedtech.com; a=ed25519; pk=/A8qvgZ6CPfnwKgT6/+k+nvXOkN477MshEGJvVdzeeQ= Skip exclusive memory region reservation failure during probe and continue initialization with a warning. This enables support for systems where the memory region may already be reserved, improving probe robustness. Signed-off-by: Billy Tsai --- drivers/pinctrl/pinctrl-single.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-sin= gle.c index 757c22cc09f3..e65ae737b4c5 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1910,13 +1910,13 @@ static int pcs_probe(struct platform_device *pdev) =20 pcs->res =3D devm_request_mem_region(pcs->dev, res->start, resource_size(res), DRIVER_NAME); - if (!pcs->res) { - dev_err(pcs->dev, "could not get mem_region\n"); - return -EBUSY; - } + if (!pcs->res) + dev_warn(pcs->dev, "mem_region busy, continuing without reservation\n"); + else + res =3D pcs->res; =20 - pcs->size =3D resource_size(pcs->res); - pcs->base =3D devm_ioremap(pcs->dev, pcs->res->start, pcs->size); + pcs->size =3D resource_size(res); + pcs->base =3D devm_ioremap(pcs->dev, res->start, pcs->size); if (!pcs->base) { dev_err(pcs->dev, "could not ioremap\n"); return -ENODEV; --=20 2.34.1