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[209.132.180.67]) by mx.google.com with ESMTP id 29si3082900eje.235.2019.10.10.04.51.09; Thu, 10 Oct 2019 04:51:33 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732923AbfJJLux (ORCPT + 99 others); Thu, 10 Oct 2019 07:50:53 -0400 Received: from mail.thorsis.com ([92.198.35.195]:35543 "EHLO mail.thorsis.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727653AbfJJLux (ORCPT ); Thu, 10 Oct 2019 07:50:53 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.thorsis.com (Postfix) with ESMTP id 3E825468F for ; Thu, 10 Oct 2019 13:51:22 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at mail.thorsis.com Received: from mail.thorsis.com ([127.0.0.1]) by localhost (mail.thorsis.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9G9L2AIR2rR5 for ; Thu, 10 Oct 2019 13:51:22 +0200 (CEST) Received: by mail.thorsis.com (Postfix, from userid 109) id CD25F4789; Thu, 10 Oct 2019 13:51:19 +0200 (CEST) X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,NO_RECEIVED, NO_RELAYS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.2 From: Alexander Dahl To: linux-arm-kernel@lists.infradead.org Cc: Alexandre Belloni , Nicolas Ferre , Ludovic Desroches , linux-kernel@vger.kernel.org Subject: Re: [PATCH] ARM: configs: at91: unselect PIT Date: Thu, 10 Oct 2019 13:50:43 +0200 Message-ID: <1920271.Hgx7Y6QaZs@ada> In-Reply-To: <20191009194814.15034-1-alexandre.belloni@bootlin.com> References: <20191009194814.15034-1-alexandre.belloni@bootlin.com> Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Mittwoch, 9. Oktober 2019, 21:48:14 CEST schrieb Alexandre Belloni: > 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 Acked-by: Alexander Dahl > --- > 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