From c962184459ab75502b242efb04291c2cf8700bc3 Mon Sep 17 00:00:00 2001
From: Tero Kristo <t-kristo@ti.com>
Date: Thu, 18 Oct 2012 12:20:04 +0300
Subject: [PATCH] ARM: OMAP4: PM: add errata support
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 <t-kristo@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
---
arch/arm/mach-omap2/pm.h | 7 +++++++
arch/arm/mach-omap2/pm44xx.c | 1 +
2 files changed, 8 insertions(+)
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h
index 67d66131cfa79..f76a0d0f839f9 100644
--- a/arch/arm/mach-omap2/pm.h
+++ b/arch/arm/mach-omap2/pm.h
@@ -102,6 +102,13 @@ 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_POWER_AVS_OMAP
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 04922d1490683..0adbd7d81ce81 100644
--- a/arch/arm/mach-omap2/pm44xx.c
+++ b/arch/arm/mach-omap2/pm44xx.c
@@ -34,6 +34,7 @@ struct power_state {
};
static LIST_HEAD(pwrst_list);
+u16 pm44xx_errata;
#ifdef CONFIG_SUSPEND
static int omap4_pm_suspend(void)
--
2.30.2