From: Vishwanath BS <vishwanath...@ti.com>

As IO Daisy chain sequence is triggered via hwmod mux, there is no need to
control it from cpuidle path for OMAP3.

Also as omap3_disable_io_chain is no longer being used, just remove the
function.

Signed-off-by: Vishwanath BS <vishwanath...@ti.com>
Signed-off-by: Tero Kristo <t-kri...@ti.com>
---
 arch/arm/mach-omap2/pm34xx.c       |   17 -----------------
 arch/arm/mach-omap2/prm2xxx_3xxx.c |    8 --------
 arch/arm/mach-omap2/prm2xxx_3xxx.h |    7 -------
 3 files changed, 0 insertions(+), 32 deletions(-)

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index e97ec3f..ed12bb4 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -291,13 +291,6 @@ 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 (omap3_has_io_wakeup() &&
-           (per_next_state < PWRDM_POWER_ON ||
-            core_next_state < PWRDM_POWER_ON)) {
-               omap2_prm_set_mod_reg_bits(OMAP3430_EN_IO_MASK, WKUP_MOD, 
PM_WKEN);
-               if (omap3_has_io_chain_ctrl())
-                       omap3_trigger_io_chain();
-       }
 
        pwrdm_pre_transition();
 
@@ -376,16 +369,6 @@ void omap_sram_idle(void)
                        omap3_per_restore_context();
        }
 
-       /* Disable IO-PAD and IO-CHAIN wakeup */
-       if (omap3_has_io_wakeup() &&
-           (per_next_state < PWRDM_POWER_ON ||
-            core_next_state < PWRDM_POWER_ON)) {
-               omap2_prm_clear_mod_reg_bits(OMAP3430_EN_IO_MASK, WKUP_MOD,
-                                            PM_WKEN);
-               if (omap3_has_io_chain_ctrl())
-                       omap3_disable_io_chain();
-       }
-
        clkdm_allow_idle(mpu_pwrdm->pwrdm_clkdms[0]);
 }
 
diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.c 
b/arch/arm/mach-omap2/prm2xxx_3xxx.c
index f681628..31a7c27 100644
--- a/arch/arm/mach-omap2/prm2xxx_3xxx.c
+++ b/arch/arm/mach-omap2/prm2xxx_3xxx.c
@@ -329,14 +329,6 @@ void omap3_trigger_io_chain(void)
                          MAX_IOPAD_LATCH_TIME, i);
 }
 
-/* OMAP3 Daisychain disable sequence */
-void omap3_disable_io_chain(void)
-{
-       if (omap_rev() >= OMAP3430_REV_ES3_1)
-               omap2_prm_clear_mod_reg_bits(OMAP3430_EN_IO_CHAIN_MASK,
-                                            WKUP_MOD, PM_WKEN);
-}
-
 static void __init omap3_enable_io_wakeup(void)
 {
        if (omap3_has_io_wakeup())
diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.h 
b/arch/arm/mach-omap2/prm2xxx_3xxx.h
index 15973aa..391b844 100644
--- a/arch/arm/mach-omap2/prm2xxx_3xxx.h
+++ b/arch/arm/mach-omap2/prm2xxx_3xxx.h
@@ -295,12 +295,6 @@ static inline void omap3_trigger_io_chain(void)
                "not suppose to be used on omap4\n");
        return 0;
 }
-static inline void omap3_disable_io_chain(void)
-{
-       WARN(1, "prm: omap2xxx/omap3xxx specific function and "
-               "not suppose to be used on omap4\n");
-       return 0;
-}
 #else
 /* Power/reset management domain register get/set */
 extern u32 omap2_prm_read_mod_reg(s16 module, u16 idx);
@@ -315,7 +309,6 @@ extern int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 
shift);
 extern int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift);
 extern int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 
st_shift);
 extern void omap3_trigger_io_chain(void);
-extern void omap3_disable_io_chain(void);
 
 /* OMAP3-specific VP functions */
 u32 omap3_prm_vp_check_txdone(u8 vp_id);
-- 
1.7.4.1

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