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[2001:1868:205::9]) by mx.google.com with ESMTPS id p59si12242303qga.175.2014.04.18.10.15.17 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 18 Apr 2014 10:15:17 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-arm-kernel-bounces+patch=linaro.org@lists.infradead.org designates 2001:1868:205::9 as permitted sender) client-ip=2001:1868:205::9; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WbCMH-0004Oi-Cu; Fri, 18 Apr 2014 17:13:49 +0000 Received: from mail-gw2-out.broadcom.com ([216.31.210.63]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WbCME-0004Kb-J4 for linux-arm-kernel@lists.infradead.org; Fri, 18 Apr 2014 17:13:46 +0000 X-IronPort-AV: E=Sophos;i="4.97,885,1389772800"; d="scan'208";a="25180613" Received: from irvexchcas08.broadcom.com (HELO IRVEXCHCAS08.corp.ad.broadcom.com) ([10.9.208.57]) by mail-gw2-out.broadcom.com with ESMTP; 18 Apr 2014 10:36:59 -0700 Received: from IRVEXCHSMTP3.corp.ad.broadcom.com (10.9.207.53) by IRVEXCHCAS08.corp.ad.broadcom.com (10.9.208.57) with Microsoft SMTP Server (TLS) id 14.3.174.1; Fri, 18 Apr 2014 10:13:26 -0700 Received: from mail-irva-13.broadcom.com (10.10.10.20) by IRVEXCHSMTP3.corp.ad.broadcom.com (10.9.207.53) with Microsoft SMTP Server id 14.3.174.1; Fri, 18 Apr 2014 10:13:26 -0700 Received: from mail.broadcom.com (lbrmn-lnxub113.ric.broadcom.com [10.136.13.65]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id AF661EAD4C; Fri, 18 Apr 2014 10:13:25 -0700 (PDT) From: Scott Branden To: Christian Daudt , Matt Porter Subject: [PATCH V2] ARM: mach-bcm: add ARM_ERRATA_775420 Date: Fri, 18 Apr 2014 10:13:20 -0700 Message-ID: <1397841200-14061-1-git-send-email-sbranden@broadcom.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140418_101346_637780_E918A5FA X-CRM114-Status: UNSURE ( 7.12 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -3.0 (---) X-Spam-Report: SpamAssassin version 3.3.2 on bombadil.infradead.org summary: Content analysis details: (-3.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [216.31.210.63 listed in list.dnswl.org] -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain Cc: bcm-kernel-feedback-list@broadcom.com, Russell King , Scott Branden , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: , List-Help: , List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patch=linaro.org@lists.infradead.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: sbranden@broadcom.com X-Original-Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.128.178 is neither permitted nor denied by best guess record for domain of patch+caf_=patchwork-forward=linaro.org@linaro.org) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 ARM_ERRATA_775420 needs to be enabled. A data cache maintenance operation which aborts, followed by an ISB, without any DSB in-between, might lead to deadlock. Affects: bug present in Cortex-A9 r3p0 and earlier. Fixed in r4p0. Cortex-A9 r3p0 is used in a multitude of Broadcom parts including the bcm21664, bcm281xx, 5301x families of devices. Signed-off-by: Scott Branden Tested-by: Markus Mayer Reviewed-by: Markus Mayer Reviewed-by: Alex Elder Acked-by: Matt Porter --- arch/arm/mach-bcm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig index 49c914c..9ef7f65 100644 --- a/arch/arm/mach-bcm/Kconfig +++ b/arch/arm/mach-bcm/Kconfig @@ -15,6 +15,7 @@ config ARCH_BCM_MOBILE select ARCH_REQUIRE_GPIOLIB select ARM_ERRATA_754322 select ARM_ERRATA_764369 if SMP + select ARM_ERRATA_775420 select ARM_GIC select GPIO_BCM_KONA select TICK_ONESHOT