From patchwork Tue Oct 15 14:52:49 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter De Schrijver X-Patchwork-Id: 3045761 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 6DF3BBF924 for ; Tue, 15 Oct 2013 14:57:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 527F920270 for ; Tue, 15 Oct 2013 14:57:37 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8908120171 for ; Tue, 15 Oct 2013 14:57:32 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VW62y-00055B-6I; Tue, 15 Oct 2013 14:56:32 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VW62c-0002OZ-Hn; Tue, 15 Oct 2013 14:56:10 +0000 Received: from hqemgate15.nvidia.com ([216.228.121.64]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VW62U-0002Kx-G2 for linux-arm-kernel@lists.infradead.org; Tue, 15 Oct 2013 14:56:03 +0000 Received: from hqnvupgp08.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com id ; Tue, 15 Oct 2013 07:55:37 -0700 Received: from hqemhub02.nvidia.com ([172.20.12.94]) by hqnvupgp08.nvidia.com (PGP Universal service); Tue, 15 Oct 2013 07:51:16 -0700 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Tue, 15 Oct 2013 07:51:16 -0700 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by hqemhub02.nvidia.com (172.20.150.31) with Microsoft SMTP Server id 8.3.327.1; Tue, 15 Oct 2013 07:55:40 -0700 Received: from sc-daphne.nvidia.com (Not Verified[172.20.232.60]) by hqnvemgw01.nvidia.com with MailMarshal (v7,1,2,5326) id ; Tue, 15 Oct 2013 07:55:40 -0700 Received: from tbergstrom-lnx.nvidia.com (tbergstrom-lnx.nvidia.com [10.21.24.170]) by sc-daphne.nvidia.com (8.13.8+Sun/8.8.8) with ESMTP id r9FEsojr011368; Tue, 15 Oct 2013 07:55:37 -0700 (PDT) From: Peter De Schrijver To: Peter De Schrijver Subject: [PATCH v3 04/19] clk: tegra: Add TEGRA_PERIPH_NO_DIV flag Date: Tue, 15 Oct 2013 17:52:49 +0300 Message-ID: <1381848794-11761-5-git-send-email-pdeschrijver@nvidia.com> X-Mailer: git-send-email 1.7.7.rc0.72.g4b5ea.dirty In-Reply-To: <1381848794-11761-1-git-send-email-pdeschrijver@nvidia.com> References: <1381848794-11761-1-git-send-email-pdeschrijver@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131015_105602_720591_41BBE57B X-CRM114-Status: GOOD ( 10.11 ) X-Spam-Score: 0.6 (/) Cc: Mark Rutland , devicetree@vger.kernel.org, Prashant Gaikwad , Mike Turquette , Pawel Moll , Stephen Warren , Ian Campbell , linux-kernel@vger.kernel.org, Rob Herring , Thierry Reding , linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Hiroshi Doyu 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=-1.7 required=5.0 tests=BAYES_00,KHOP_BIG_TO_CC, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=no 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 This flag indicates the peripheral clock does not have a divider. It will simply the initialization tables and avoids some very similar code. Signed-off-by: Peter De Schrijver --- drivers/clk/tegra/clk-periph.c | 8 +++++--- drivers/clk/tegra/clk.h | 1 + 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/clk/tegra/clk-periph.c b/drivers/clk/tegra/clk-periph.c index 5102d5e..22ca12e 100644 --- a/drivers/clk/tegra/clk-periph.c +++ b/drivers/clk/tegra/clk-periph.c @@ -173,12 +173,13 @@ const struct clk_ops tegra_clk_periph_nodiv_ops = { static struct clk *_tegra_clk_register_periph(const char *name, const char **parent_names, int num_parents, struct tegra_clk_periph *periph, - void __iomem *clk_base, u32 offset, bool div, + void __iomem *clk_base, u32 offset, unsigned long flags) { struct clk *clk; struct clk_init_data init; struct tegra_clk_periph_regs *bank; + bool div = !(periph->gate.flags & TEGRA_PERIPH_NO_DIV); init.name = name; init.ops = div ? &tegra_clk_periph_ops : &tegra_clk_periph_nodiv_ops; @@ -216,7 +217,7 @@ struct clk *tegra_clk_register_periph(const char *name, u32 offset, unsigned long flags) { return _tegra_clk_register_periph(name, parent_names, num_parents, - periph, clk_base, offset, true, flags); + periph, clk_base, offset, flags); } struct clk *tegra_clk_register_periph_nodiv(const char *name, @@ -224,6 +225,7 @@ struct clk *tegra_clk_register_periph_nodiv(const char *name, struct tegra_clk_periph *periph, void __iomem *clk_base, u32 offset) { + periph->gate.flags |= TEGRA_PERIPH_NO_DIV; return _tegra_clk_register_periph(name, parent_names, num_parents, - periph, clk_base, offset, false, CLK_SET_RATE_PARENT); + periph, clk_base, offset, CLK_SET_RATE_PARENT); } diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h index e67a1f3..da8baa2 100644 --- a/drivers/clk/tegra/clk.h +++ b/drivers/clk/tegra/clk.h @@ -397,6 +397,7 @@ struct tegra_clk_periph_gate { #define TEGRA_PERIPH_MANUAL_RESET BIT(1) #define TEGRA_PERIPH_ON_APB BIT(2) #define TEGRA_PERIPH_WAR_1005168 BIT(3) +#define TEGRA_PERIPH_NO_DIV BIT(4) void tegra_periph_reset(struct tegra_clk_periph_gate *gate, bool assert); extern const struct clk_ops tegra_clk_periph_gate_ops;