From patchwork Fri Jan 5 14:30:03 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 10146623 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 33FDC60153 for ; Fri, 5 Jan 2018 14:30:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 215E22833E for ; Fri, 5 Jan 2018 14:30:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 14CCB28469; Fri, 5 Jan 2018 14:30:48 +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=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id ABEDE2833E for ; Fri, 5 Jan 2018 14:30:47 +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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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=14/Q5Yg8DRt97uq1Sp3yTKdoD2iyeMRLcU3q0Y154JY=; b=KqxSeZa2Nm96KfKjoOFoFJb4Nt 5TE1w/5BHAadCtPabMBKpgdRqPYSmyn2d9ayqK8itPZUbH+VLPFBIohtkWhazgASQJTaVFUKhWnSF vmWgUxE+rtcGM+56DtrS+MrgDsa86GcuPxUjuvS+MCon0V7CM1TM9UAs6BdIG9tXPuTONn3dSRYJ3 SpSyzkHdnNZAkcM8mc//tUdTiqlrDfU3Q/oPWt6kncQtEUZKDzmS+nh8VYWkwVFtmFET0z+CK4bS/ UngSJ1QchlZCH2qRvJgdwYZS7ULG/hL4O9MOA4qjABqmdHAqcmZaLYOfF5ylWZL3/Spx51uGL1FWH LlO3j4UA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1eXT19-0007vE-TF; Fri, 05 Jan 2018 14:30:43 +0000 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1eXT16-0007sP-6K for linux-arm-kernel@lists.infradead.org; Fri, 05 Jan 2018 14:30:42 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id 985A820741; Fri, 5 Jan 2018 15:30:26 +0100 (CET) Received: from localhost (unknown [37.71.171.242]) by mail.free-electrons.com (Postfix) with ESMTPSA id 71843207A5; Fri, 5 Jan 2018 15:30:16 +0100 (CET) From: Alexandre Belloni To: Daniel Lezcano Subject: [PATCH v2 3/6] clocksource/drivers: atmel-pit: allow unselecting ATMEL_PIT Date: Fri, 5 Jan 2018 15:30:03 +0100 Message-Id: <20180105143006.5369-4-alexandre.belloni@free-electrons.com> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20180105143006.5369-1-alexandre.belloni@free-electrons.com> References: <20180105143006.5369-1-alexandre.belloni@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180105_063040_419176_5195B056 X-CRM114-Status: GOOD ( 10.27 ) 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: Boris Brezillon , linux-kernel@vger.kernel.org, Alexandre Belloni , Thomas Gleixner , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 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 With the new TCB clocksource driver, atmel platforms are now able to boot without the PIT driver. Allow unselecting it. Signed-off-by: Alexandre Belloni --- drivers/clocksource/Kconfig | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 5609572e0236..55ccfa0ba63b 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -381,7 +381,14 @@ config ARMV7M_SYSTICK config ATMEL_PIT select TIMER_OF if OF - def_bool SOC_AT91SAM9 || SOC_SAMA5 + bool "Atmel Periodic Interval Timer (PIT)" + depends on SOC_AT91SAM9 || SOC_SAMA5 + default SOC_AT91SAM9 || SOC_SAMA5 + help + Select this to get a clocksource based on the Atmel Periodic Interval + Timer. It has a relatively low resolution and the TC Block clocksource + should be preferred. + It also provides a clock event device. config ATMEL_ST bool "Atmel ST timer support" if COMPILE_TEST