From patchwork Wed Sep 12 16:11:22 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 10598041 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C21181575 for ; Wed, 12 Sep 2018 16:27:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B11552A738 for ; Wed, 12 Sep 2018 16:27:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A4A202A7B0; Wed, 12 Sep 2018 16:27:22 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 250492A738 for ; Wed, 12 Sep 2018 16:27:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xpk5lRoY1mGrP57yCId4oc9xrJFQ2E/WHSWfxOZwrRs=; b=tJ05h1PZxsd3pv GKPvBclN7aJGN/nnEaWgdw3xvk7m6oW9eHgmdkmAoxXVQFq5CKi4jA6jywc6gRUJlwu8fFNnnBHu+ AoYEqb0DiXpmbDXYQDx+BiCMnYtgFFzlaYqyc9Xv3HSiS05Ooqt65gI6Vtvl4bDD8pD5Mm3DWCXHi XMyT97HDd8BnANaW8ZdZi6yvjNPPG+F3H3NT2OZmOUXIiUn+fCoW85XePuRPcaYEUhf+m9rW0Rqjd XygXUDjBjbhmeOJIw+2sAom9Iz1tzTMfQixXxyBhOm29RL5R+xgaWAk7CAezuQEhQZ/hBSjTH1doB mvTl2hVn9idDN5gDHfIA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1g07yt-00043d-Lw; Wed, 12 Sep 2018 16:27:07 +0000 Received: from mail.bootlin.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1g07k4-0002D4-A9 for linux-arm-kernel@lists.infradead.org; Wed, 12 Sep 2018 16:12:12 +0000 Received: by mail.bootlin.com (Postfix, from userid 110) id E9DE4208F0; Wed, 12 Sep 2018 18:11:26 +0200 (CEST) Received: from localhost (242.171.71.37.rev.sfr.net [37.71.171.242]) by mail.bootlin.com (Postfix) with ESMTPSA id C0E0E208D9; Wed, 12 Sep 2018 18:11:26 +0200 (CEST) From: Alexandre Belloni To: Daniel Lezcano Subject: [PATCH v6 7/7] ARM: configs: at91: unselect PIT Date: Wed, 12 Sep 2018 18:11:22 +0200 Message-Id: <20180912161122.7717-8-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.19.0.rc2 In-Reply-To: <20180912161122.7717-1-alexandre.belloni@bootlin.com> References: <20180912161122.7717-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180912_091148_536622_0895D4F0 X-CRM114-Status: GOOD ( 11.36 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexandre Belloni , Alexander Dahl , Sebastian Andrzej Siewior , linux-kernel@vger.kernel.org, Thomas Gleixner , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The PIT is not required anymore to successfully boot and may actually harm in case preempt-rt is used because the PIT interrupt is shared. Disable it so the TCB clocksource is used. Signed-off-by: Alexandre Belloni --- arch/arm/configs/at91_dt_defconfig | 1 + arch/arm/configs/sama5_defconfig | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm/configs/at91_dt_defconfig b/arch/arm/configs/at91_dt_defconfig index 09f262e59fef..f4b253bd05ed 100644 --- a/arch/arm/configs/at91_dt_defconfig +++ b/arch/arm/configs/at91_dt_defconfig @@ -19,6 +19,7 @@ CONFIG_ARCH_MULTI_V5=y CONFIG_ARCH_AT91=y CONFIG_SOC_AT91RM9200=y CONFIG_SOC_AT91SAM9=y +# CONFIG_ATMEL_CLOCKSOURCE_PIT is not set CONFIG_AEABI=y CONFIG_UACCESS_WITH_MEMCPY=y CONFIG_ZBOOT_ROM_TEXT=0x0 diff --git a/arch/arm/configs/sama5_defconfig b/arch/arm/configs/sama5_defconfig index f2bbc6339ca6..be92871ab155 100644 --- a/arch/arm/configs/sama5_defconfig +++ b/arch/arm/configs/sama5_defconfig @@ -20,6 +20,7 @@ CONFIG_ARCH_AT91=y CONFIG_SOC_SAMA5D2=y CONFIG_SOC_SAMA5D3=y CONFIG_SOC_SAMA5D4=y +# CONFIG_ATMEL_CLOCKSOURCE_PIT is not set CONFIG_AEABI=y CONFIG_UACCESS_WITH_MEMCPY=y CONFIG_ZBOOT_ROM_TEXT=0x0