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| author | Tony Lindgren <tony@atomide.com> | 2012-06-25 07:41:17 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2012-06-25 07:41:17 -0700 |
| commit | 9a17d88e0586bb7189655f8f99484a872a474626 (patch) | |
| tree | 9e162e41ecdcef6c166b3b9378b2ff4c541d9555 /arch/arm/mach-omap2/pm34xx.c | |
| parent | 6b16351acbd415e66ba16bf7d473ece1574cf0bc (diff) | |
| parent | fafcdd53220f44d7ae2f06a9ce20c8d550df2d9b (diff) | |
| download | linux-9a17d88e0586bb7189655f8f99484a872a474626.tar.bz2 | |
Merge tag 'omap-devel-c-for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into devel-pm
Reimplement the OMAP PRCM I/O chain code. Needed for I/O wakeups to
work correctly.
Conflicts:
arch/arm/mach-omap2/prm2xxx_3xxx.c
Diffstat (limited to 'arch/arm/mach-omap2/pm34xx.c')
| -rw-r--r-- | arch/arm/mach-omap2/pm34xx.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 3a595e899724..e67d898433fb 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -72,33 +72,6 @@ static struct powerdomain *mpu_pwrdm, *neon_pwrdm; static struct powerdomain *core_pwrdm, *per_pwrdm; static struct powerdomain *cam_pwrdm; -static void omap3_enable_io_chain(void) -{ - int timeout = 0; - - omap2_prm_set_mod_reg_bits(OMAP3430_EN_IO_CHAIN_MASK, WKUP_MOD, - PM_WKEN); - /* Do a readback to assure write has been done */ - omap2_prm_read_mod_reg(WKUP_MOD, PM_WKEN); - - while (!(omap2_prm_read_mod_reg(WKUP_MOD, PM_WKEN) & - OMAP3430_ST_IO_CHAIN_MASK)) { - timeout++; - if (timeout > 1000) { - pr_err("Wake up daisy chain activation failed.\n"); - return; - } - omap2_prm_set_mod_reg_bits(OMAP3430_ST_IO_CHAIN_MASK, - WKUP_MOD, PM_WKEN); - } -} - -static void omap3_disable_io_chain(void) -{ - omap2_prm_clear_mod_reg_bits(OMAP3430_EN_IO_CHAIN_MASK, WKUP_MOD, - PM_WKEN); -} - static void omap3_core_save_context(void) { omap3_ctrl_save_padconf(); @@ -299,13 +272,6 @@ 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_enable_io_chain(); - } pwrdm_pre_transition(); @@ -378,16 +344,6 @@ void omap_sram_idle(void) if (per_next_state < PWRDM_POWER_ON) omap2_gpio_resume_after_idle(); - /* 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]); } |