From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tero Kristo Subject: [PATCHv7 01/12] ARM: OMAP4: PM: add errata support Date: Thu, 19 Jul 2012 16:26:21 +0300 Message-ID: <1342704392-23657-2-git-send-email-t-kristo@ti.com> References: <1342704392-23657-1-git-send-email-t-kristo@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from comal.ext.ti.com ([198.47.26.152]:56276 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750991Ab2GSN0y (ORCPT ); Thu, 19 Jul 2012 09:26:54 -0400 In-Reply-To: <1342704392-23657-1-git-send-email-t-kristo@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-omap@vger.kernel.org, nm@ti.com, paul@pwsan.com, khilman@ti.com, rnayak@ti.com Cc: linux-arm-kernel@lists.infradead.org Added similar PM errata flag support as omap3 has. This should be used in similar manner, set the flags during init time, and check the flag values during runtime. Signed-off-by: Tero Kristo --- arch/arm/mach-omap2/pm.h | 7 +++++++ arch/arm/mach-omap2/pm44xx.c | 1 + 2 files changed, 8 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h index 7856489..46ab9d9 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -88,6 +88,13 @@ extern void enable_omap3630_toggle_l2_on_restore(void); static inline void enable_omap3630_toggle_l2_on_restore(void) { } #endif /* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */ +#if defined(CONFIG_ARCH_OMAP4) +extern u16 pm44xx_errata; +#define IS_PM44XX_ERRATUM(id) (pm44xx_errata & (id)) +#else +#define IS_PM44XX_ERRATUM(id) 0 +#endif + #ifdef CONFIG_OMAP_SMARTREFLEX extern int omap_devinit_smartreflex(void); extern void omap_enable_smartreflex_on_init(void); diff --git a/arch/arm/mach-omap2/pm44xx.c b/arch/arm/mach-omap2/pm44xx.c index c234733..3a484b1 100644 --- a/arch/arm/mach-omap2/pm44xx.c +++ b/arch/arm/mach-omap2/pm44xx.c @@ -33,6 +33,7 @@ struct power_state { }; static LIST_HEAD(pwrst_list); +u16 pm44xx_errata; #ifdef CONFIG_SUSPEND static int omap4_pm_suspend(void) -- 1.7.4.1