From patchwork Fri Dec 13 08:21:52 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Sangorrin X-Patchwork-Id: 3347691 Return-Path: X-Original-To: patchwork-ltsi-dev@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 8EB39C0D4A for ; Sat, 14 Dec 2013 08:08:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B38C220780 for ; Sat, 14 Dec 2013 08:08:38 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) by mail.kernel.org (Postfix) with ESMTP id D8D27206AF for ; Sat, 14 Dec 2013 08:08:37 +0000 (UTC) Received: from mail.linux-foundation.org (localhost [IPv6:::1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 91265B9D; Sat, 14 Dec 2013 08:06:44 +0000 (UTC) X-Original-To: ltsi-dev@lists.linuxfoundation.org Delivered-To: ltsi-dev@mail.linuxfoundation.org Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTP id BD11782A for ; Fri, 13 Dec 2013 08:39:29 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from imx9.toshiba.co.jp (imx9.toshiba.co.jp [202.33.96.51]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id 301031F8C3 for ; Fri, 13 Dec 2013 08:39:29 +0000 (UTC) Received: from imx2.toshiba.co.jp (imx2 [202.33.96.24]) by imx9.toshiba.co.jp with ESMTP id rBD8NOYq025026 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 13 Dec 2013 17:23:24 +0900 (JST) Received: from arc1.toshiba.co.jp ([133.199.194.235]) by imx2.toshiba.co.jp with ESMTP id rBD8NLmU015702; Fri, 13 Dec 2013 17:23:21 +0900 (JST) Received: (from root@localhost) by arc1.toshiba.co.jp id rBD8NLBw000322; Fri, 13 Dec 2013 17:23:21 +0900 (JST) Received: from unknown [133.199.192.144] by arc1.toshiba.co.jp with ESMTP id TAA00318; Fri, 13 Dec 2013 17:23:20 +0900 Received: from mx11.toshiba.co.jp (localhost [127.0.0.1]) by ovp2.toshiba.co.jp with ESMTP id rBD8NKmC016009; Fri, 13 Dec 2013 17:23:20 +0900 (JST) Received: from BK2211.rdc.toshiba.co.jp by toshiba.co.jp id rBD8NJkW015316; Fri, 13 Dec 2013 17:23:19 +0900 (JST) Received: from island.swc.toshiba.co.jp (localhost [127.0.0.1]) by BK2211.rdc.toshiba.co.jp (8.13.8+Sun/8.13.8) with ESMTP id rBD8NJ8F027241; Fri, 13 Dec 2013 17:23:19 +0900 (JST) Received: from ubuntu.swc.toshiba.co.jp (unknown [133.196.174.184]) by island.swc.toshiba.co.jp (Postfix) with ESMTP id 1BEA14000A; Fri, 13 Dec 2013 17:22:32 +0900 (JST) From: Daniel Sangorrin To: ltsi-dev@lists.linuxfoundation.org Date: Fri, 13 Dec 2013 17:21:52 +0900 Message-Id: <1386922983-22135-38-git-send-email-daniel.sangorrin@toshiba.co.jp> X-Mailer: git-send-email 1.8.5 In-Reply-To: <1386922983-22135-1-git-send-email-daniel.sangorrin@toshiba.co.jp> References: <1386922983-22135-1-git-send-email-daniel.sangorrin@toshiba.co.jp> X-Spam-Status: No, score=-2.3 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-Mailman-Approved-At: Sat, 14 Dec 2013 08:06:34 +0000 Cc: michal.simek@xilinx.com Subject: [LTSI-dev] [PATCH 037/108] clk/zynq/clkc: Add dedicated spinlock for the SWDT X-BeenThere: ltsi-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "A list to discuss patches, development, and other things related to the LTSI project" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ltsi-dev-bounces@lists.linuxfoundation.org Errors-To: ltsi-dev-bounces@lists.linuxfoundation.org X-Virus-Scanned: ClamAV using ClamSMTP From: Soren Brinkmann The clk_mux for the system watchdog timer reused the register lock dedicated to the Ethernet module - for no apparent reason. Add a lock dedicated to the SWDT's clock register to remove this wrong dependency. This does not fix a specific regression but the clock driver was merged for 3.11-rc1, so best to fix the known bugs before the release. Signed-off-by: Soren Brinkmann Signed-off-by: Michal Simek Signed-off-by: Mike Turquette [mturquette@linaro.org: added to changelog] (cherry picked from commit 252957cc3a2d59179df1a2d44d219e07dc5c3f06) Signed-off-by: Daniel Sangorrin Signed-off-by: Yoshitake Kobayashi --- drivers/clk/zynq/clkc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/clk/zynq/clkc.c b/drivers/clk/zynq/clkc.c index 5c205b6..515a573 100644 --- a/drivers/clk/zynq/clkc.c +++ b/drivers/clk/zynq/clkc.c @@ -71,6 +71,7 @@ static DEFINE_SPINLOCK(armpll_lock); static DEFINE_SPINLOCK(ddrpll_lock); static DEFINE_SPINLOCK(iopll_lock); static DEFINE_SPINLOCK(armclk_lock); +static DEFINE_SPINLOCK(swdtclk_lock); static DEFINE_SPINLOCK(ddrclk_lock); static DEFINE_SPINLOCK(dciclk_lock); static DEFINE_SPINLOCK(gem0clk_lock); @@ -293,7 +294,7 @@ static void __init zynq_clk_setup(struct device_node *np) } clks[swdt] = clk_register_mux(NULL, clk_output_name[swdt], swdt_ext_clk_mux_parents, 2, CLK_SET_RATE_PARENT, - SLCR_SWDT_CLK_SEL, 0, 1, 0, &gem0clk_lock); + SLCR_SWDT_CLK_SEL, 0, 1, 0, &swdtclk_lock); /* DDR clocks */ clk = clk_register_divider(NULL, "ddr2x_div", "ddrpll", 0,