From patchwork Tue May 30 21:51:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 9755505 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 B17C6602F0 for ; Tue, 30 May 2017 22:04:24 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A26A626E51 for ; Tue, 30 May 2017 22:04:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 946A2283BA; Tue, 30 May 2017 22:04:24 +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=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID 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 1651026E51 for ; Tue, 30 May 2017 22:04:24 +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=Mt3ajT59vQiqKyVOTw1aP0RdubGI+Jo7CMSTm0QkD88=; b=QdyIT89JpX+QqgjYViA83XAfJf ZjDkCshY4U4qlzYtSmsYzTARPihXaFqVeOcayUD036na7zv51KXVIrhO7VjOayzzTM5IIb5scP2bM uPtyxzN+c6FgYfhO3RV6sJrcbjwfmKixdXOJKg7urRYY874gUAuQZipF4XvVpayqiqQkEcDkhU9v7 tF2a648P8GJAmCYAWwG1Z6EgydSjDugP4HR4cXYGrao24f/btpGsMyDnOQa7+nK5Hafds+QhR4yzo HJiHa8whESw1AGUP2cL6uUrEDltDA2HpKmUQnAzT124yfbmzoFIc/ukqSoTG9MK3YtQzL1LUZ7bjn WoUJRjBw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dFpFW-00027a-Am; Tue, 30 May 2017 22:04:22 +0000 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dFp4N-0005I2-HP for linux-arm-kernel@lists.infradead.org; Tue, 30 May 2017 21:52:58 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id 3350E20F8B; Tue, 30 May 2017 23:52:40 +0200 (CEST) Received: from localhost (unknown [88.191.26.124]) by mail.free-electrons.com (Postfix) with ESMTPSA id D64C820F3A; Tue, 30 May 2017 23:52:29 +0200 (CEST) From: Alexandre Belloni To: Nicolas Ferre Subject: [PATCH 49/58] clocksource/drivers: atmel-pit: allow unselecting ATMEL_PIT Date: Tue, 30 May 2017 23:51:30 +0200 Message-Id: <20170530215139.9983-50-alexandre.belloni@free-electrons.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170530215139.9983-1-alexandre.belloni@free-electrons.com> References: <20170530215139.9983-1-alexandre.belloni@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170530_145251_975226_ADE1838A X-CRM114-Status: GOOD ( 10.50 ) 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 , Daniel Lezcano , 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. Cc: Daniel Lezcano Cc: Thomas Gleixner 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 cbd710db3c09..2777c29191e3 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -408,7 +408,14 @@ config ARMV7M_SYSTICK config ATMEL_PIT select CLKSRC_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