From patchwork Mon May 19 10:25:53 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ivan Khoronzhuk X-Patchwork-Id: 4200981 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 3B8A1BEEAC for ; Mon, 19 May 2014 10:29:31 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 51F5920108 for ; Mon, 19 May 2014 10:29:30 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 77B4A2025A for ; Mon, 19 May 2014 10:29:29 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WmKmy-0003tN-LU; Mon, 19 May 2014 10:27:24 +0000 Received: from devils.ext.ti.com ([198.47.26.153]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WmKmi-0003ec-Cy for linux-arm-kernel@lists.infradead.org; Mon, 19 May 2014 10:27:09 +0000 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id s4JAQG46006879; Mon, 19 May 2014 05:26:16 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id s4JAQFou009091; Mon, 19 May 2014 05:26:16 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.174.1; Mon, 19 May 2014 05:26:15 -0500 Received: from khorivan.itg.ti.com (incasgf5a_e1_2.itg.ti.com [10.167.216.36]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id s4JAPv0L018576; Mon, 19 May 2014 05:26:11 -0500 From: Ivan Khoronzhuk To: , , , , , , , , Subject: [Patch v3 3/5] ARM: keystone: remove redundant reset stuff Date: Mon, 19 May 2014 13:25:53 +0300 Message-ID: <1400495155-11136-4-git-send-email-ivan.khoronzhuk@ti.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1400495155-11136-1-git-send-email-ivan.khoronzhuk@ti.com> References: <1400495155-11136-1-git-send-email-ivan.khoronzhuk@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140519_032708_585192_16430068 X-CRM114-Status: UNSURE ( 8.16 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -5.7 (-----) Cc: devicetree@vger.kernel.org, grygorii.strashko@ti.com, linux@arm.linux.org.uk, arnd@arndb.de, linux-doc@vger.kernel.org, w-kwok2@ti.com, rdunlap@infradead.org, sboyd@codeaurora.org, linux-kernel@vger.kernel.org, olof@lixom.net, Ivan Khoronzhuk , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Remove reset stuff in flavour of using keystone reset driver: driver/power/reset/keystone-reset.c Signed-off-by: Ivan Khoronzhuk --- arch/arm/mach-keystone/keystone.c | 35 ----------------------------------- 1 file changed, 35 deletions(-) diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c index e0b9e1b..c96e2a4 100644 --- a/arch/arm/mach-keystone/keystone.c +++ b/arch/arm/mach-keystone/keystone.c @@ -23,24 +23,8 @@ #include "keystone.h" -#define PLL_RESET_WRITE_KEY_MASK 0xffff0000 -#define PLL_RESET_WRITE_KEY 0x5a69 -#define PLL_RESET BIT(16) - -static void __iomem *keystone_rstctrl; - static void __init keystone_init(void) { - struct device_node *node; - - node = of_find_compatible_node(NULL, NULL, "ti,keystone-reset"); - if (WARN_ON(!node)) - pr_warn("ti,keystone-reset node undefined\n"); - - keystone_rstctrl = of_iomap(node, 0); - if (WARN_ON(!keystone_rstctrl)) - pr_warn("ti,keystone-reset iomap error\n"); - keystone_pm_runtime_init(); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } @@ -50,24 +34,6 @@ static const char *keystone_match[] __initconst = { NULL, }; -void keystone_restart(enum reboot_mode mode, const char *cmd) -{ - u32 val; - - BUG_ON(!keystone_rstctrl); - - /* Enable write access to RSTCTRL */ - val = readl(keystone_rstctrl); - val &= PLL_RESET_WRITE_KEY_MASK; - val |= PLL_RESET_WRITE_KEY; - writel(val, keystone_rstctrl); - - /* Reset the SOC */ - val = readl(keystone_rstctrl); - val &= ~PLL_RESET; - writel(val, keystone_rstctrl); -} - DT_MACHINE_START(KEYSTONE, "Keystone") #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) .dma_zone_size = SZ_2G, @@ -75,5 +41,4 @@ DT_MACHINE_START(KEYSTONE, "Keystone") .smp = smp_ops(keystone_smp_ops), .init_machine = keystone_init, .dt_compat = keystone_match, - .restart = keystone_restart, MACHINE_END