From patchwork Tue Jun 17 14:52:40 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen-Yu Tsai X-Patchwork-Id: 4367131 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 8EEDEBEEAA for ; Tue, 17 Jun 2014 15:02:04 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E29B520204 for ; Tue, 17 Jun 2014 15:02:00 +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 20A5B2017D for ; Tue, 17 Jun 2014 15:01:57 +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 1Wwupr-0000de-A5; Tue, 17 Jun 2014 14:58:07 +0000 Received: from mirror2.csie.ntu.edu.tw ([140.112.30.76]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wwulk-0004yi-PH for linux-arm-kernel@lists.infradead.org; Tue, 17 Jun 2014 14:53:57 +0000 Received: from wens by mirror2.csie.ntu.edu.tw with local (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1Wwukx-0003x0-46; Tue, 17 Jun 2014 22:53:03 +0800 From: Chen-Yu Tsai To: Greg Kroah-Hartman , Samuel Ortiz , Lee Jones , Maxime Ripard , Rob Herring , Mike Turquette , Emilio Lopez , Linus Walleij Subject: [PATCH v2 03/20] clk: sunxi: move "ahb_sdram" to protected clock list Date: Tue, 17 Jun 2014 22:52:40 +0800 Message-Id: <1403016777-15121-4-git-send-email-wens@csie.org> X-Mailer: git-send-email 2.0.0 In-Reply-To: <1403016777-15121-1-git-send-email-wens@csie.org> References: <1403016777-15121-1-git-send-email-wens@csie.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140617_075353_085038_E203020F X-CRM114-Status: UNSURE ( 9.82 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.0 (-) Cc: devicetree@vger.kernel.org, Boris BREZILLON , Luc Verhaegen , linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org, Chen-Yu Tsai , linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.9 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 With sunxi_gates clocks registered with clkdev, we can use the protected clocks list to enable the "ahb_sdram" clock, instead of looking for it and adding CLK_IGNORE_UNUSED inline in the clock setup code. Signed-off-by: Chen-Yu Tsai Acked-by: Maxime Ripard --- drivers/clk/sunxi/clk-sunxi.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c index e43ed6a..a38c799 100644 --- a/drivers/clk/sunxi/clk-sunxi.c +++ b/drivers/clk/sunxi/clk-sunxi.c @@ -870,7 +870,6 @@ static void __init sunxi_gates_clk_setup(struct device_node *node, int qty; int i = 0; int j = 0; - int ignore; reg = of_iomap(node, 0); @@ -891,11 +890,8 @@ static void __init sunxi_gates_clk_setup(struct device_node *node, of_property_read_string_index(node, "clock-output-names", j, &clk_name); - /* No driver claims this clock, but it should remain gated */ - ignore = !strcmp("ahb_sdram", clk_name) ? CLK_IGNORE_UNUSED : 0; - clk_data->clks[i] = clk_register_gate(NULL, clk_name, - clk_parent, ignore, + clk_parent, 0, reg + 4 * (i/32), i % 32, 0, &clk_lock); WARN_ON(IS_ERR(clk_data->clks[i])); @@ -1203,6 +1199,7 @@ static void __init sunxi_init_clocks(const char *clocks[], int nclocks) static const char *sun4i_a10_critical_clocks[] __initdata = { "pll5_ddr", + "ahb_sdram", }; static void __init sun4i_a10_init_clocks(struct device_node *node) @@ -1215,6 +1212,7 @@ CLK_OF_DECLARE(sun4i_a10_clk_init, "allwinner,sun4i-a10", sun4i_a10_init_clocks) static const char *sun5i_critical_clocks[] __initdata = { "mbus", "pll5_ddr", + "ahb_sdram", }; static void __init sun5i_init_clocks(struct device_node *node)