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-rw-r--r--arch/arm/mach-omap2/id.c2
-rw-r--r--arch/arm/mach-omap2/pm34xx.c7
-rw-r--r--arch/arm/plat-omap/include/plat/cpu.h2
3 files changed, 8 insertions, 3 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index c7bf0e1c4d9..ccaa1ed8e0f 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -179,6 +179,8 @@ static void __init omap3_check_features(void)
OMAP3_CHECK_FEATURE(status, ISP);
if (cpu_is_omap3630())
omap3_features |= OMAP3_HAS_192MHZ_CLK;
+ if (!cpu_is_omap3505() && !cpu_is_omap3517())
+ omap3_features |= OMAP3_HAS_IO_WAKEUP;
/*
* TODO: Get additional info (where applicable)
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index b88737fd6cf..fb4994ad622 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -385,8 +385,9 @@ void omap_sram_idle(void)
/* Enable IO-PAD and IO-CHAIN wakeups */
per_next_state = pwrdm_read_next_pwrst(per_pwrdm);
core_next_state = pwrdm_read_next_pwrst(core_pwrdm);
- if (per_next_state < PWRDM_POWER_ON ||
- core_next_state < PWRDM_POWER_ON) {
+ if (omap3_has_io_wakeup() && \
+ (per_next_state < PWRDM_POWER_ON ||
+ core_next_state < PWRDM_POWER_ON)) {
prm_set_mod_reg_bits(OMAP3430_EN_IO_MASK, WKUP_MOD, PM_WKEN);
omap3_enable_io_chain();
}
@@ -479,7 +480,7 @@ void omap_sram_idle(void)
}
/* Disable IO-PAD and IO-CHAIN wakeup */
- if (core_next_state < PWRDM_POWER_ON) {
+ if (omap3_has_io_wakeup() && core_next_state < PWRDM_POWER_ON) {
prm_clear_mod_reg_bits(OMAP3430_EN_IO_MASK, WKUP_MOD, PM_WKEN);
omap3_disable_io_chain();
}
diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h
index 75141742300..aa2f4f079f5 100644
--- a/arch/arm/plat-omap/include/plat/cpu.h
+++ b/arch/arm/plat-omap/include/plat/cpu.h
@@ -444,6 +444,7 @@ extern u32 omap3_features;
#define OMAP3_HAS_NEON BIT(3)
#define OMAP3_HAS_ISP BIT(4)
#define OMAP3_HAS_192MHZ_CLK BIT(5)
+#define OMAP3_HAS_IO_WAKEUP BIT(6)
#define OMAP3_HAS_FEATURE(feat,flag) \
static inline unsigned int omap3_has_ ##feat(void) \
@@ -457,5 +458,6 @@ OMAP3_HAS_FEATURE(iva, IVA)
OMAP3_HAS_FEATURE(neon, NEON)
OMAP3_HAS_FEATURE(isp, ISP)
OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
+OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
#endif