From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934256Ab1KCRBm (ORCPT ); Thu, 3 Nov 2011 13:01:42 -0400 Received: from hqemgate04.nvidia.com ([216.228.121.35]:14736 "EHLO hqemgate04.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934085Ab1KCRBk (ORCPT ); Thu, 3 Nov 2011 13:01:40 -0400 X-PGP-Universal: processed; by hqnvupgp05.nvidia.com on Thu, 03 Nov 2011 10:01:04 -0700 From: Peter De Schrijver To: Peter De Schrijver CC: Russell King , Paul Mundt , Magnus Damm , Srinidhi Kasagar , Linus Walleij , Kukjin Kim , H Hartley Sweeten , David Brown , Rabin Vincent , , , Subject: [PATCH 1/3] ARM: ARCH_NR_GPIO: Make ARCH_NR_GPIO a Kconfig variable Date: Thu, 3 Nov 2011 19:00:45 +0200 Message-ID: <1320339647-30255-2-git-send-email-pdeschrijver@nvidia.com> X-Mailer: git-send-email 1.7.7.rc0.72.g4b5ea.dirty In-Reply-To: <1320339647-30255-1-git-send-email-pdeschrijver@nvidia.com> References: <1320339647-30255-1-git-send-email-pdeschrijver@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Change ARCH_NR_GPIO into a Kconfig variable as suggested by Russel King. This makes ARCH_NR_GPIO single zImage friendly. The default value for tegra is defined as well. Signed-off-by: Peter De Schrijver --- arch/arm/Kconfig | 9 +++++++++ arch/arm/include/asm/gpio.h | 4 ++++ 2 files changed, 13 insertions(+), 0 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 7e8ffe7..924f685 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1507,6 +1507,15 @@ config LOCAL_TIMERS accounting to be spread across the timer interval, preventing a "thundering herd" at every timer tick. +config ARCH_NR_GPIO + int + default 1024 if ARCH_TEGRA + default 0 + help + Maximum number of GPIOs in the system. + + If unsure, leave the default value. + source kernel/Kconfig.preempt config HZ diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h index 11ad0bf..7151753 100644 --- a/arch/arm/include/asm/gpio.h +++ b/arch/arm/include/asm/gpio.h @@ -1,6 +1,10 @@ #ifndef _ARCH_ARM_GPIO_H #define _ARCH_ARM_GPIO_H +#if CONFIG_ARCH_NR_GPIO > 0 +#define ARCH_NR_GPIO CONFIG_ARCH_NR_GPIO +#endif + /* not all ARM platforms necessarily support this API ... */ #include -- 1.7.7.rc0.72.g4b5ea.dirty