From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758285AbYE2S5F (ORCPT ); Thu, 29 May 2008 14:57:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754541AbYE2S4z (ORCPT ); Thu, 29 May 2008 14:56:55 -0400 Received: from smtp117.sbc.mail.sp1.yahoo.com ([69.147.64.90]:34208 "HELO smtp117.sbc.mail.sp1.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754030AbYE2S4y (ORCPT ); Thu, 29 May 2008 14:56:54 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=pacbell.net; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:From:To:Subject:Date:User-Agent:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-Disposition:Message-Id; b=HiU5QB1B69zbl0BGkvygwdCgkqj25Xy5XUDO4M16t5MgO3rJFxFsO7LrnK9X3nKCOrMSKOyhT6lAc2pHpTopoHFsSNsO6oPG2jPewTujVTkEeTy9oSX353ncZlImIfkgnlWZ27vfGhjkFPd6xqOSTy1hdT75PeEXPV8JsoXwAmo= ; X-YMail-OSG: PeI.PSUVM1k7QykJb_KInI6cpqyRl4gWdx7NGm_nHA1DEhiAB7gPOOsktpegllW7D7CDFyOHIH2JjPEKd4mQjcc5VWojpbXg4qhDhwUHlb0.0Hw7k3q9JSSuPCgsPN1NGtDAezNq29xMn4xwmtvtKJuB X-Yahoo-Newman-Property: ymail-3 From: David Brownell To: lkml Subject: [patch 2.6.26-rc4] add HAVE_CLK to Kconfig, for driver dependencies Date: Thu, 29 May 2008 11:56:51 -0700 User-Agent: KMail/1.9.9 Cc: Andrew Morton , Greg KH , Felipe Balbi MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200805291156.51933.david-b@pacbell.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: David Brownell This patch flags platforms as HAVE_CLK (or not) in Kconfig, so that otherwise portable drivers which need those calls can list that dependency. Signed-off-by: David Brownell --- Something like this is a prerequisite for merging the musb_hdrc driver, currently used on platforms including Davinci, OMAP2430, OMAP3xx ... and the discrete TUSB6010 chip, which doesn't have a natural platform dependency. (Used with OMAP 2420 in current Nokia N8x0 tablets.) arch/Kconfig | 7 +++++++ arch/arm/Kconfig | 13 +++++++++++++ arch/avr32/Kconfig | 1 + arch/powerpc/Kconfig | 1 + arch/sh/Kconfig | 1 + 5 files changed, 23 insertions(+) --- a/arch/Kconfig 2008-04-29 12:29:26.000000000 -0700 +++ b/arch/Kconfig 2008-05-29 11:33:32.000000000 -0700 @@ -39,3 +39,10 @@ config HAVE_KRETPROBES config HAVE_DMA_ATTRS def_bool n + +config HAVE_CLK + def_bool n + help + The calls support software clock gating and + thus are a key power management tool on many systems. + --- a/arch/arm/Kconfig 2008-05-27 15:38:15.000000000 -0700 +++ b/arch/arm/Kconfig 2008-05-29 11:38:24.000000000 -0700 @@ -183,12 +183,14 @@ choice config ARCH_AAEC2000 bool "Agilent AAEC-2000 based" select ARM_AMBA + select HAVE_CLK help This enables support for systems based on the Agilent AAEC-2000 config ARCH_INTEGRATOR bool "ARM Ltd. Integrator family" select ARM_AMBA + select HAVE_CLK select ICST525 help Support for ARM's Integrator platform. @@ -196,6 +198,7 @@ config ARCH_INTEGRATOR config ARCH_REALVIEW bool "ARM Ltd. RealView family" select ARM_AMBA + select HAVE_CLK select ICST307 select GENERIC_TIME select GENERIC_CLOCKEVENTS @@ -206,6 +209,7 @@ config ARCH_VERSATILE bool "ARM Ltd. Versatile family" select ARM_AMBA select ARM_VIC + select HAVE_CLK select ICST307 select GENERIC_TIME select GENERIC_CLOCKEVENTS @@ -215,6 +219,7 @@ config ARCH_VERSATILE config ARCH_AT91 bool "Atmel AT91" select GENERIC_GPIO + select HAVE_CLK select HAVE_GPIO_LIB help This enables support for systems based on the Atmel AT91RM9200, @@ -255,6 +260,7 @@ config ARCH_EP93XX select ARM_AMBA select ARM_VIC select GENERIC_GPIO + select HAVE_CLK select HAVE_GPIO_LIB help This enables support for the Cirrus EP93xx series of CPUs. @@ -360,6 +366,7 @@ config ARCH_NS9XXX select GENERIC_GPIO select GENERIC_TIME select GENERIC_CLOCKEVENTS + select HAVE_CLK help Say Y here if you intend to run this kernel on a NetSilicon NS9xxx System. @@ -386,6 +393,7 @@ config ARCH_ORION5X config ARCH_PNX4008 bool "Philips Nexperia PNX4008 Mobile" + select HAVE_CLK help This enables support for Philips PNX4008 mobile platform. @@ -394,6 +402,7 @@ config ARCH_PXA depends on MMU select ARCH_MTD_XIP select GENERIC_GPIO + select HAVE_CLK select HAVE_GPIO_LIB select GENERIC_TIME select GENERIC_CLOCKEVENTS @@ -423,6 +432,7 @@ config ARCH_SA1100 select GENERIC_GPIO select GENERIC_TIME select GENERIC_CLOCKEVENTS + select HAVE_CLK select TICK_ONESHOT select HAVE_GPIO_LIB help @@ -431,6 +441,7 @@ config ARCH_SA1100 config ARCH_S3C2410 bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442, S3C2443" select GENERIC_GPIO + select HAVE_CLK help Samsung S3C2410X CPU based systems, such as the Simtec Electronics BAST (), the IPAQ 1940 or @@ -458,12 +469,14 @@ config ARCH_DAVINCI select GENERIC_TIME select GENERIC_CLOCKEVENTS select GENERIC_GPIO + select HAVE_CLK help Support for TI's DaVinci platform. config ARCH_OMAP bool "TI OMAP" select GENERIC_GPIO + select HAVE_CLK select HAVE_GPIO_LIB select GENERIC_TIME select GENERIC_CLOCKEVENTS --- a/arch/avr32/Kconfig 2008-05-29 11:40:42.000000000 -0700 +++ b/arch/avr32/Kconfig 2008-05-29 11:41:08.000000000 -0700 @@ -10,6 +10,7 @@ config AVR32 # With EMBEDDED=n, we get lots of stuff automatically selected # that we usually don't need on AVR32. select EMBEDDED + select HAVE_CLK select HAVE_OPROFILE select HAVE_KPROBES help --- a/arch/powerpc/Kconfig 2008-05-29 11:45:49.000000000 -0700 +++ b/arch/powerpc/Kconfig 2008-05-29 11:45:57.000000000 -0700 @@ -812,6 +812,7 @@ source "crypto/Kconfig" config PPC_CLOCK bool default n + select HAVE_CLK config PPC_LIB_RHEAP bool --- a/arch/sh/Kconfig 2008-05-29 11:42:32.000000000 -0700 +++ b/arch/sh/Kconfig 2008-05-29 11:42:42.000000000 -0700 @@ -8,6 +8,7 @@ mainmenu "Linux/SuperH Kernel Configurat config SUPERH def_bool y select EMBEDDED + select HAVE_CLK select HAVE_IDE select HAVE_OPROFILE help