From patchwork Wed Sep 10 15:52:02 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiko Stuebner X-Patchwork-Id: 4878941 Return-Path: X-Original-To: patchwork-linux-rockchip@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id C3FF09F3AE for ; Wed, 10 Sep 2014 15:50:26 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0E7532018E for ; Wed, 10 Sep 2014 15:50:22 +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 5CDF22011E for ; Wed, 10 Sep 2014 15:50:20 +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 1XRkA0-0006DB-3X; Wed, 10 Sep 2014 15:50:20 +0000 Received: from gloria.sntech.de ([95.129.55.99]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XRk9r-0004xH-Dk; Wed, 10 Sep 2014 15:50:12 +0000 Received: from ip9234458b.dynamic.kabel-deutschland.de ([146.52.69.139] helo=diego.localnet) by gloria.sntech.de with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1XRk9U-0003Sr-1P; Wed, 10 Sep 2014 17:49:48 +0200 From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: mturquette@linaro.org Subject: [PATCH] clk: rockchip: also protect hclk_peri as critical Date: Wed, 10 Sep 2014 17:52:02 +0200 Message-ID: <1950006.Th78Z9O4lJ@diego> User-Agent: KMail/4.12.4 (Linux/3.13-1-amd64; KDE/4.13.3; x86_64; ; ) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140910_085011_633323_B313CDC2 X-CRM114-Status: UNSURE ( 7.06 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.5 (--) Cc: linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, 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 The dwc2 usb controller also uses agressive clock gating, which in this case leads to hclk_peri getting disabled and hanging the system. Therefore move it to the critical clocks until we also control that part of the system. Signed-off-by: Heiko Stuebner --- drivers/clk/rockchip/clk-rk3188.c | 1 + drivers/clk/rockchip/clk-rk3288.c | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c index 1892c66..9f9937e 100644 --- a/drivers/clk/rockchip/clk-rk3188.c +++ b/drivers/clk/rockchip/clk-rk3188.c @@ -602,6 +602,7 @@ static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = { static const char *rk3188_critical_clocks[] __initconst = { "aclk_cpu", "aclk_peri", + "hclk_peri", }; static void __init rk3188_common_clk_init(struct device_node *np) diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c index 43e0ad0..c76b16d 100644 --- a/drivers/clk/rockchip/clk-rk3288.c +++ b/drivers/clk/rockchip/clk-rk3288.c @@ -683,6 +683,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { static const char *rk3288_critical_clocks[] __initconst = { "aclk_cpu", "aclk_peri", + "hclk_peri", }; static void __init rk3288_clk_init(struct device_node *np)