From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C886BC46467 for ; Wed, 1 Aug 2018 20:33:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 77E4020862 for ; Wed, 1 Aug 2018 20:33:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="YmDtqxdS"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="AknxPzKU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 77E4020862 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732426AbeHAWV0 (ORCPT ); Wed, 1 Aug 2018 18:21:26 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:55168 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729188AbeHAWVZ (ORCPT ); Wed, 1 Aug 2018 18:21:25 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 99D996074D; Wed, 1 Aug 2018 20:33:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1533155632; bh=qJ7jI5kekG4npSqUNsaXfZIzt7IuvHgvcjYDj8KwQcE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YmDtqxdS84JYDHxd97ip+O9Z3xqIEgnoqC2fkCt2uyr6Q0dnH+VJVT5aKxWuyhdBH kyoCEttDao1NSL8Wh5bfeQT1aup4teYRN8oPBTxAu3KjWY9PcCdVGxNP+Z5NgnIYXb KtL8QYLlpHVzpRzJpj3Kx5Oc5T60W5rtL4mPchB4= Received: from vgutta-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: vnkgutta@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 0157C60B62; Wed, 1 Aug 2018 20:33:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1533155631; bh=qJ7jI5kekG4npSqUNsaXfZIzt7IuvHgvcjYDj8KwQcE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AknxPzKUiwRl4u78PjVuRzQ0TOAh4TzWMGQgex+FjE5BGKV2Qn7QZ7AWsPFkuJsLe nTFGQVqD/lNZlcNakhspgzXvD18YehLHcLY50Kx7fbOqoANQGMSVKukdRh/Y7AzxhF /f8+/pQZQrHpwmBQpTVPiqJKu26fRyuW5QKWbNu8= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 0157C60B62 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=vnkgutta@codeaurora.org From: Venkata Narendra Kumar Gutta To: evgreen@chromium.org, robh@kernel.org, mchehab@kernel.org, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, andy.gross@linaro.org, david.brown@linaro.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org, tsoni@codeaurora.org, ckadabi@codeaurora.org, rishabhb@codeaurora.org, bp@alien8.de Cc: Venkata Narendra Kumar Gutta Subject: [PATCH v1 2/4] drivers: soc: Add support to register LLCC EDAC driver Date: Wed, 1 Aug 2018 13:33:33 -0700 Message-Id: <1533155615-27929-3-git-send-email-vnkgutta@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1533155615-27929-1-git-send-email-vnkgutta@codeaurora.org> References: <1533155615-27929-1-git-send-email-vnkgutta@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Cache error reporting controller is to detect and report single and double bit errors on Last Level Cache Controller (LLCC) cache. Add required support to register LLCC EDAC driver as platform driver, from LLCC driver. Signed-off-by: Venkata Narendra Kumar Gutta --- drivers/soc/qcom/llcc-slice.c | 18 ++++++++++++++++-- include/linux/soc/qcom/llcc-qcom.h | 2 ++ 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/soc/qcom/llcc-slice.c b/drivers/soc/qcom/llcc-slice.c index a63640d..09c8bb0 100644 --- a/drivers/soc/qcom/llcc-slice.c +++ b/drivers/soc/qcom/llcc-slice.c @@ -224,7 +224,7 @@ static int qcom_llcc_cfg_program(struct platform_device *pdev) u32 attr0_val; u32 max_cap_cacheline; u32 sz; - int ret; + int ret = 0; const struct llcc_slice_config *llcc_table; struct llcc_slice_desc desc; @@ -282,6 +282,7 @@ int qcom_llcc_probe(struct platform_device *pdev, struct resource *llcc_banks_res, *llcc_bcast_res; void __iomem *llcc_banks_base, *llcc_bcast_base; int ret, i; + struct platform_device *llcc_edac; drv_data = devm_kzalloc(dev, sizeof(*drv_data), GFP_KERNEL); if (!drv_data) @@ -341,6 +342,19 @@ int qcom_llcc_probe(struct platform_device *pdev, mutex_init(&drv_data->lock); platform_set_drvdata(pdev, drv_data); - return qcom_llcc_cfg_program(pdev); + ret = qcom_llcc_cfg_program(pdev); + if (ret) + return ret; + + drv_data->ecc_irq = platform_get_irq(pdev, 0); + if (drv_data->ecc_irq >= 0) { + llcc_edac = platform_device_register_data(&pdev->dev, + "qcom_llcc_edac", -1, drv_data, + sizeof(*drv_data)); + if (IS_ERR(llcc_edac)) + dev_err(dev, "Failed to register llcc edac driver\n"); + } + + return ret; } EXPORT_SYMBOL_GPL(qcom_llcc_probe); diff --git a/include/linux/soc/qcom/llcc-qcom.h b/include/linux/soc/qcom/llcc-qcom.h index c681e79..1a3bc25 100644 --- a/include/linux/soc/qcom/llcc-qcom.h +++ b/include/linux/soc/qcom/llcc-qcom.h @@ -78,6 +78,7 @@ struct llcc_slice_config { * @num_banks: Number of llcc banks * @bitmap: Bit map to track the active slice ids * @offsets: Pointer to the bank offsets array + * @ecc_irq: interrupt for llcc cache error detection and reporting */ struct llcc_drv_data { struct regmap *regmap; @@ -89,6 +90,7 @@ struct llcc_drv_data { u32 num_banks; unsigned long *bitmap; u32 *offsets; + u32 ecc_irq; }; #if IS_ENABLED(CONFIG_QCOM_LLCC) -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project