From patchwork Thu Nov 8 01:12:42 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Turquette X-Patchwork-Id: 1713261 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 21073DFB7A for ; Thu, 8 Nov 2012 01:13:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754632Ab2KHBNs (ORCPT ); Wed, 7 Nov 2012 20:13:48 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:45950 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752897Ab2KHBNd (ORCPT ); Wed, 7 Nov 2012 20:13:33 -0500 Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id qA81DVNY023987; Wed, 7 Nov 2012 19:13:31 -0600 Received: from DLEE74.ent.ti.com (dlee74.ent.ti.com [157.170.170.8]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id qA81DVui003740; Wed, 7 Nov 2012 19:13:31 -0600 Received: from dlelxv22.itg.ti.com (172.17.1.197) by DLEE74.ent.ti.com (157.170.170.8) with Microsoft SMTP Server id 14.1.323.3; Wed, 7 Nov 2012 19:13:31 -0600 Received: from nucleus.nsc.com (nucleus.nsc.com [10.188.36.112]) by dlelxv22.itg.ti.com (8.13.8/8.13.8) with ESMTP id qA81DPLX015450; Wed, 7 Nov 2012 19:13:30 -0600 From: Mike Turquette To: CC: , , , , Mike Turquette Subject: [PATCH 07/26] ARM: OMAP: clock: list all clk_hw_omap clks to enable/disable autoidle Date: Wed, 7 Nov 2012 17:12:42 -0800 Message-ID: <1352337181-29427-8-git-send-email-mturquette@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1352337181-29427-1-git-send-email-mturquette@ti.com> References: <1352337181-29427-1-git-send-email-mturquette@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Rajendra Nayak Platforms can call omap2_init_clk_hw_omap_clocks() to register a clock using clk_hw_omap. omap2_clk_enable_autoidle_all() and omap2_clk_disable_autoidle_all() can then be used to run through all the clocks which support autoidle to enable/disable them. Signed-off-by: Rajendra Nayak Signed-off-by: Mike Turquette --- arch/arm/mach-omap2/clock.c | 32 ++++++++++++++++++++++++++++++++ arch/arm/mach-omap2/clock.h | 3 +++ arch/arm/mach-omap2/io.c | 27 +++++++++++++++++++++++++++ arch/arm/mach-omap2/omap_hwmod.c | 4 ++-- 4 files changed, 64 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index 3a4c1c5..2b4cfae 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -57,6 +57,7 @@ static DEFINE_MUTEX(clocks_mutex); static DEFINE_SPINLOCK(clockfw_lock); #ifdef CONFIG_COMMON_CLK +LIST_HEAD(clk_hw_omap_clocks); /* * Used for clocks that have the same value as the parent clock, @@ -426,6 +427,37 @@ static int __init omap_clk_setup(char *str) } __setup("mpurate=", omap_clk_setup); +void omap2_init_clk_hw_omap_clocks(struct clk *clk) +{ + struct clk_hw_omap *c; + + if (__clk_get_flags(clk) & CLK_IS_BASIC) + return; + + c = to_clk_hw_omap(__clk_get_hw(clk)); + list_add(&c->node, &clk_hw_omap_clocks); +} + +int omap2_clk_enable_autoidle_all(void) +{ + struct clk_hw_omap *c; + + list_for_each_entry(c, &clk_hw_omap_clocks, node) + if (c->ops && c->ops->allow_idle) + c->ops->allow_idle(c); + return 0; +} + +int omap2_clk_disable_autoidle_all(void) +{ + struct clk_hw_omap *c; + + list_for_each_entry(c, &clk_hw_omap_clocks, node) + if (c->ops && c->ops->deny_idle) + c->ops->deny_idle(c); + return 0; +} + const struct clk_hw_omap_ops clkhwops_wait = { .find_idlest = omap2_clk_dflt_find_idlest, .find_companion = omap2_clk_dflt_find_companion, diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h index d78f90e..b075831 100644 --- a/arch/arm/mach-omap2/clock.h +++ b/arch/arm/mach-omap2/clock.h @@ -562,6 +562,9 @@ void omap2_clk_dflt_find_companion(struct clk_hw_omap *clk, void omap2_clk_dflt_find_idlest(struct clk_hw_omap *clk, void __iomem **idlest_reg, u8 *idlest_bit, u8 *idlest_val); +void omap2_init_clk_hw_omap_clocks(struct clk *clk); +int omap2_clk_enable_autoidle_all(void); +int omap2_clk_disable_autoidle_all(void); #else int omap2_dflt_clk_enable(struct clk *clk); void omap2_dflt_clk_disable(struct clk *clk); diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 4fadc78..a62010e 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -393,6 +393,9 @@ void __init omap2420_init_late(void) omap_mux_late_init(); omap2_common_pm_late_init(); omap2_pm_init(); +#ifdef CONFIG_COMMON_CLK + omap2_clk_enable_autoidle_all(); +#endif } #endif @@ -415,6 +418,9 @@ void __init omap2430_init_late(void) omap_mux_late_init(); omap2_common_pm_late_init(); omap2_pm_init(); +#ifdef CONFIG_COMMON_CLK + omap2_clk_enable_autoidle_all(); +#endif } #endif @@ -476,6 +482,9 @@ void __init omap3_init_late(void) omap_mux_late_init(); omap2_common_pm_late_init(); omap3_pm_init(); +#ifdef CONFIG_COMMON_CLK + omap2_clk_enable_autoidle_all(); +#endif } void __init omap3430_init_late(void) @@ -483,6 +492,9 @@ void __init omap3430_init_late(void) omap_mux_late_init(); omap2_common_pm_late_init(); omap3_pm_init(); +#ifdef CONFIG_COMMON_CLK + omap2_clk_enable_autoidle_all(); +#endif } void __init omap35xx_init_late(void) @@ -490,6 +502,9 @@ void __init omap35xx_init_late(void) omap_mux_late_init(); omap2_common_pm_late_init(); omap3_pm_init(); +#ifdef CONFIG_COMMON_CLK + omap2_clk_enable_autoidle_all(); +#endif } void __init omap3630_init_late(void) @@ -497,6 +512,9 @@ void __init omap3630_init_late(void) omap_mux_late_init(); omap2_common_pm_late_init(); omap3_pm_init(); +#ifdef CONFIG_COMMON_CLK + omap2_clk_enable_autoidle_all(); +#endif } void __init am35xx_init_late(void) @@ -504,6 +522,9 @@ void __init am35xx_init_late(void) omap_mux_late_init(); omap2_common_pm_late_init(); omap3_pm_init(); +#ifdef CONFIG_COMMON_CLK + omap2_clk_enable_autoidle_all(); +#endif } void __init ti81xx_init_late(void) @@ -511,6 +532,9 @@ void __init ti81xx_init_late(void) omap_mux_late_init(); omap2_common_pm_late_init(); omap3_pm_init(); +#ifdef CONFIG_COMMON_CLK + omap2_clk_enable_autoidle_all(); +#endif } #endif @@ -550,6 +574,9 @@ void __init omap4430_init_late(void) omap_mux_late_init(); omap2_common_pm_late_init(); omap4_pm_init(); +#ifdef CONFIG_COMMON_CLK + omap2_clk_enable_autoidle_all(); +#endif } #endif diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 1754d7e..ce93ec0 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -623,12 +623,12 @@ static int _disable_wakeup(struct omap_hwmod *oh, u32 *v) struct clockdomain *_get_clkdm(struct omap_hwmod *oh) { - struct clk_hw_omap *clk; - if (oh->clkdm) { return oh->clkdm; } else if (oh->_clk) { #ifdef CONFIG_COMMON_CLK + struct clk_hw_omap *clk; + clk = to_clk_hw_omap(__clk_get_hw(oh->_clk)); return clk->clkdm; #else