From patchwork Sat Mar 11 12:50:02 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tero Kristo X-Patchwork-Id: 9618667 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 05142602C2 for ; Sat, 11 Mar 2017 12:55:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EB141286E6 for ; Sat, 11 Mar 2017 12:55:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DE8E92878A; Sat, 11 Mar 2017 12:55:57 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 732D7286E6 for ; Sat, 11 Mar 2017 12:55:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=8Z4lOV6JkZlxZVFlhr+8p4slONem7lnGJ2jOK2GPXI8=; b=JF5Xef0WwgXKby Zm1rzUdyEbg/ZW+zlDyRMY7ZCcj4GMWBF62ljM3tFY7UKAv+N6Q98bU7KuTFDaNbSDXZaD1yd4GgA QD6PUECIlq7GcbvfvVCulmlgKkCkyZFpLejUFU3LzaVdCCgHasdOxAksn4W5v0AmzbAM4XPxJ64j+ aw88TH8dSuvpD7T0PzHrnnUHOqd3X0rRvuSPzgFzYHr/jLw8NP5b/+LLciDuFUJ7X5FMX5Sl2iXXo dGCkZjAXSTqhZjakZy1DonNj+cwfiH3hXUTJIOXmKMRMkimSe7vhFwk7q6b6flQYi/jA0QsxMLxzE OPg8x8YTStk7LJlKoVgw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cmgYp-0006Pj-MP; Sat, 11 Mar 2017 12:55:51 +0000 Received: from lelnx194.ext.ti.com ([198.47.27.80]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cmgUO-0002Ct-6q for linux-arm-kernel@lists.infradead.org; Sat, 11 Mar 2017 12:51:20 +0000 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by lelnx194.ext.ti.com (8.15.1/8.15.1) with ESMTP id v2BCoq7P029411; Sat, 11 Mar 2017 06:50:53 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ti.com; s=ti-com-17Q1; t=1489236653; bh=CaUHV3At+6VC2Kp/FE5ITlL9NudSg4keIA9VVww7tgI=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=HWRdiZTvkYZxJi3u7Yt78Wg04mT9q1t/T1adyTbjiGAGKx3733D2ZDdH/DDlnQzPr /ZZK8QjWZJUmwoA3KRNimxLtH0pItBTvsHg/bArxd2RcBIvpvdHW6pri8/+bsFafZk Nfh2UsX5GGlMllq2ZaBlPmeGogu4l0hOiKjASpgQ= Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id v2BCoqTB028424; Sat, 11 Mar 2017 06:50:52 -0600 Received: from dflp33.itg.ti.com (10.64.6.16) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.294.0; Sat, 11 Mar 2017 06:50:52 -0600 Received: from gomoku.home (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id v2BCoHi0015557; Sat, 11 Mar 2017 06:50:48 -0600 From: Tero Kristo To: , , , , Subject: [PATCHv2 11/15] clk: ti: divider: convert TI divider clock to use its own data representation Date: Sat, 11 Mar 2017 14:50:02 +0200 Message-ID: <1489236606-24023-12-git-send-email-t-kristo@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1489236606-24023-1-git-send-email-t-kristo@ti.com> References: <1489236606-24023-1-git-send-email-t-kristo@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170311_045116_501383_C1DED033 X-CRM114-Status: GOOD ( 12.52 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Instead of using the generic clock driver data struct, use one internal for the TI clock driver itself. This allows modifying the register access parts in subsequent patch. Signed-off-by: Tero Kristo Acked-by: Tony Lindgren --- drivers/clk/ti/clock.h | 11 +++++++++++ drivers/clk/ti/divider.c | 22 +++++++++++----------- drivers/clk/ti/gate.c | 4 ++-- 3 files changed, 24 insertions(+), 13 deletions(-) diff --git a/drivers/clk/ti/clock.h b/drivers/clk/ti/clock.h index 41913bf..11d3f6a 100644 --- a/drivers/clk/ti/clock.h +++ b/drivers/clk/ti/clock.h @@ -16,6 +16,17 @@ #ifndef __DRIVERS_CLK_TI_CLOCK__ #define __DRIVERS_CLK_TI_CLOCK__ +struct clk_omap_divider { + struct clk_hw hw; + void __iomem *reg; + u8 shift; + u8 width; + u8 flags; + const struct clk_div_table *table; +}; + +#define to_clk_omap_divider(_hw) container_of(_hw, struct clk_omap_divider, hw) + struct clk_omap_mux { struct clk_hw hw; void __iomem *reg; diff --git a/drivers/clk/ti/divider.c b/drivers/clk/ti/divider.c index 0e8c136..a07652e 100644 --- a/drivers/clk/ti/divider.c +++ b/drivers/clk/ti/divider.c @@ -39,7 +39,7 @@ static unsigned int _get_table_maxdiv(const struct clk_div_table *table) return maxdiv; } -static unsigned int _get_maxdiv(struct clk_divider *divider) +static unsigned int _get_maxdiv(struct clk_omap_divider *divider) { if (divider->flags & CLK_DIVIDER_ONE_BASED) return div_mask(divider); @@ -61,7 +61,7 @@ static unsigned int _get_table_div(const struct clk_div_table *table, return 0; } -static unsigned int _get_div(struct clk_divider *divider, unsigned int val) +static unsigned int _get_div(struct clk_omap_divider *divider, unsigned int val) { if (divider->flags & CLK_DIVIDER_ONE_BASED) return val; @@ -83,7 +83,7 @@ static unsigned int _get_table_val(const struct clk_div_table *table, return 0; } -static unsigned int _get_val(struct clk_divider *divider, u8 div) +static unsigned int _get_val(struct clk_omap_divider *divider, u8 div) { if (divider->flags & CLK_DIVIDER_ONE_BASED) return div; @@ -97,7 +97,7 @@ static unsigned int _get_val(struct clk_divider *divider, u8 div) static unsigned long ti_clk_divider_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { - struct clk_divider *divider = to_clk_divider(hw); + struct clk_omap_divider *divider = to_clk_omap_divider(hw); unsigned int div, val; val = ti_clk_ll_ops->clk_readl(divider->reg) >> divider->shift; @@ -131,7 +131,7 @@ static bool _is_valid_table_div(const struct clk_div_table *table, return false; } -static bool _is_valid_div(struct clk_divider *divider, unsigned int div) +static bool _is_valid_div(struct clk_omap_divider *divider, unsigned int div) { if (divider->flags & CLK_DIVIDER_POWER_OF_TWO) return is_power_of_2(div); @@ -172,7 +172,7 @@ static int _div_round(const struct clk_div_table *table, static int ti_clk_divider_bestdiv(struct clk_hw *hw, unsigned long rate, unsigned long *best_parent_rate) { - struct clk_divider *divider = to_clk_divider(hw); + struct clk_omap_divider *divider = to_clk_omap_divider(hw); int i, bestdiv = 0; unsigned long parent_rate, best = 0, now, maxdiv; unsigned long parent_rate_saved = *best_parent_rate; @@ -239,14 +239,14 @@ static long ti_clk_divider_round_rate(struct clk_hw *hw, unsigned long rate, static int ti_clk_divider_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { - struct clk_divider *divider; + struct clk_omap_divider *divider; unsigned int div, value; u32 val; if (!hw || !rate) return -EINVAL; - divider = to_clk_divider(hw); + divider = to_clk_omap_divider(hw); div = DIV_ROUND_UP(parent_rate, rate); value = _get_val(divider, div); @@ -278,7 +278,7 @@ static struct clk *_register_divider(struct device *dev, const char *name, u8 shift, u8 width, u8 clk_divider_flags, const struct clk_div_table *table) { - struct clk_divider *div; + struct clk_omap_divider *div; struct clk *clk; struct clk_init_data init; @@ -379,7 +379,7 @@ static struct clk *_register_divider(struct device *dev, const char *name, struct clk_hw *ti_clk_build_component_div(struct ti_clk_divider *setup) { - struct clk_divider *div; + struct clk_omap_divider *div; struct clk_omap_reg *reg; if (!setup) @@ -617,7 +617,7 @@ static void __init of_ti_divider_clk_setup(struct device_node *node) static void __init of_ti_composite_divider_clk_setup(struct device_node *node) { - struct clk_divider *div; + struct clk_omap_divider *div; u32 val; div = kzalloc(sizeof(*div), GFP_KERNEL); diff --git a/drivers/clk/ti/gate.c b/drivers/clk/ti/gate.c index 5ff62e2..a65f082 100644 --- a/drivers/clk/ti/gate.c +++ b/drivers/clk/ti/gate.c @@ -62,7 +62,7 @@ */ static int omap36xx_gate_clk_enable_with_hsdiv_restore(struct clk_hw *hw) { - struct clk_divider *parent; + struct clk_omap_divider *parent; struct clk_hw *parent_hw; u32 dummy_v, orig_v; int ret; @@ -72,7 +72,7 @@ static int omap36xx_gate_clk_enable_with_hsdiv_restore(struct clk_hw *hw) /* Parent is the x2 node, get parent of parent for the m2 div */ parent_hw = clk_hw_get_parent(clk_hw_get_parent(hw)); - parent = to_clk_divider(parent_hw); + parent = to_clk_omap_divider(parent_hw); /* Restore the dividers */ if (!ret) {