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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 0DB6FC47404 for ; Wed, 9 Oct 2019 19:48:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DFA2D20B7C for ; Wed, 9 Oct 2019 19:48:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731804AbfJITsa (ORCPT ); Wed, 9 Oct 2019 15:48:30 -0400 Received: from relay2-d.mail.gandi.net ([217.70.183.194]:51923 "EHLO relay2-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731155AbfJITsa (ORCPT ); Wed, 9 Oct 2019 15:48:30 -0400 X-Originating-IP: 86.202.229.42 Received: from localhost (lfbn-lyo-1-146-42.w86-202.abo.wanadoo.fr [86.202.229.42]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay2-d.mail.gandi.net (Postfix) with ESMTPSA id C77734000A; Wed, 9 Oct 2019 19:48:21 +0000 (UTC) From: Alexandre Belloni To: Nicolas Ferre Cc: Ludovic Desroches , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH] ARM: configs: at91: unselect PIT Date: Wed, 9 Oct 2019 21:48:14 +0200 Message-Id: <20191009194814.15034-1-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 63d09e61b6dc..7e5ffdab47da 100644 --- a/arch/arm/configs/at91_dt_defconfig +++ b/arch/arm/configs/at91_dt_defconfig @@ -18,6 +18,7 @@ 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 7255709d46ea..ee7db6cedaa6 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 -- 2.21.0