From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 BAE9B3AC0FC; Sat, 30 May 2026 18:05:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780164357; cv=none; b=AHTjB13PwzZBb+8d5XL1MpzQM3PMXHJAMZgjc1SJM7YgaAdPSTqGWrulW+sBWE5qoKy0A0fRW2k4E6WqtAVvtoXVW9v6/kdtHadOKxmfBMCduwHrlsC/jK5Jo/nOIlOSlCJpESVSTJgZKMIjGXKSXDsmpkyy6H/VSc/oquwyD9M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780164357; c=relaxed/simple; bh=LLwWSG1fCRYLfOxde+LPLUQRU7xzkGWx4/48vBzmuVc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Lv1mneDR7B7VE54iYVSzw3Eso/h4yClt3Z3Yh7O7A9akdopqXIcTwvP1XrRjOmg4pZEP4JqAV2D7TULbPTVA+VLJg6HZdXZUv8CvI3jI0nJGm6XdnT3BY/SIqqkd4HtJ1qcxMKyIRDK3NWfaQAVKDPVsJ7zQlOg6qz7R5QlmRh0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=YwcnnDDn; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="YwcnnDDn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0C2AD1F00893; Sat, 30 May 2026 18:05:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1780164356; bh=KpLzqvb1AjhzsYEks4TMfHyl1X7u9JGA2JLc4u2CBsU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=YwcnnDDnk4ICbjQl/gtbIXgxUjZC+VtKS3oWxYWC8nuW6JvCTUMNmEfXJQ2X/FhMB CXpCN5XkGmw2/o0ZA4OaZMx1KU67ECVaks8OlAm2GzRhawvK2lfBCV+OOlRsMHOjbd MxnyUCCq4wDSz6nGbNi/QAg0JXtZFl85Mugn/ucA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dmitry Baryshkov , Konrad Dybcio , Bjorn Andersson , Sasha Levin Subject: [PATCH 5.15 491/776] soc: qcom: ocmem: return -EPROBE_DEFER is ocmem is not available Date: Sat, 30 May 2026 18:03:25 +0200 Message-ID: <20260530160253.003776169@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260530160240.228940103@linuxfoundation.org> References: <20260530160240.228940103@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dmitry Baryshkov [ Upstream commit 91b59009c7d48b58dbc50fecb27f2ad20749a05a ] If OCMEM is declared in DT, it is expected that it is present and handled by the driver. The GPU driver will ignore -ENODEV error, which typically means that OCMEM isn't defined in DT. Let ocmem return -EPROBE_DEFER if it supposed to be used, but it is not probed (yet). Fixes: 88c1e9404f1d ("soc: qcom: add OCMEM driver") Signed-off-by: Dmitry Baryshkov Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20260323-ocmem-v1-3-ad9bcae44763@oss.qualcomm.com [bjorn: s/ERR_PTR(dev_err_probe)/dev_err_ptr_probe/ Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- drivers/soc/qcom/ocmem.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/soc/qcom/ocmem.c b/drivers/soc/qcom/ocmem.c index 35d96feb6b1e3..1ece9780e555e 100644 --- a/drivers/soc/qcom/ocmem.c +++ b/drivers/soc/qcom/ocmem.c @@ -209,10 +209,9 @@ struct ocmem *of_get_ocmem(struct device *dev) ocmem = platform_get_drvdata(pdev); put_device(&pdev->dev); - if (!ocmem) { - dev_err(dev, "Cannot get ocmem\n"); - return ERR_PTR(-ENODEV); - } + if (!ocmem) + return dev_err_ptr_probe(dev, -EPROBE_DEFER, "Cannot get ocmem\n"); + return ocmem; } EXPORT_SYMBOL(of_get_ocmem); -- 2.53.0