diff options
| -rw-r--r-- | arch/arm/mach-omap2/clockdomain.c | 78 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/control.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 97 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/pdata-quirks.c | 52 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/prm44xx.c | 4 |
8 files changed, 27 insertions, 217 deletions
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index f98c8ecc9ca2..dedd47e30b98 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -1147,7 +1147,21 @@ void clkdm_del_autodeps(struct clockdomain *clkdm) /* Clockdomain-to-clock/hwmod framework interface code */ -static int _clkdm_clk_hwmod_enable(struct clockdomain *clkdm) +/** + * clkdm_clk_enable - add an enabled downstream clock to this clkdm + * @clkdm: struct clockdomain * + * @clk: struct clk * of the enabled downstream clock + * + * Increment the usecount of the clockdomain @clkdm and ensure that it + * is awake before @clk is enabled. Intended to be called by + * clk_enable() code. If the clockdomain is in software-supervised + * idle mode, force the clockdomain to wake. If the clockdomain is in + * hardware-supervised idle mode, add clkdm-pwrdm autodependencies, to + * ensure that devices in the clockdomain can be read from/written to + * by on-chip processors. Returns -EINVAL if passed null pointers; + * returns 0 upon success or if the clockdomain is in hwsup idle mode. + */ +int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *unused) { if (!clkdm || !arch_clkdm || !arch_clkdm->clkdm_clk_enable) return -EINVAL; @@ -1175,33 +1189,6 @@ static int _clkdm_clk_hwmod_enable(struct clockdomain *clkdm) } /** - * clkdm_clk_enable - add an enabled downstream clock to this clkdm - * @clkdm: struct clockdomain * - * @clk: struct clk * of the enabled downstream clock - * - * Increment the usecount of the clockdomain @clkdm and ensure that it - * is awake before @clk is enabled. Intended to be called by - * clk_enable() code. If the clockdomain is in software-supervised - * idle mode, force the clockdomain to wake. If the clockdomain is in - * hardware-supervised idle mode, add clkdm-pwrdm autodependencies, to - * ensure that devices in the clockdomain can be read from/written to - * by on-chip processors. Returns -EINVAL if passed null pointers; - * returns 0 upon success or if the clockdomain is in hwsup idle mode. - */ -int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk) -{ - /* - * XXX Rewrite this code to maintain a list of enabled - * downstream clocks for debugging purposes? - */ - - if (!clk) - return -EINVAL; - - return _clkdm_clk_hwmod_enable(clkdm); -} - -/** * clkdm_clk_disable - remove an enabled downstream clock from this clkdm * @clkdm: struct clockdomain * * @clk: struct clk * of the disabled downstream clock @@ -1216,13 +1203,13 @@ int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk) */ int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk) { - if (!clkdm || !clk || !arch_clkdm || !arch_clkdm->clkdm_clk_disable) + if (!clkdm || !arch_clkdm || !arch_clkdm->clkdm_clk_disable) return -EINVAL; pwrdm_lock(clkdm->pwrdm.ptr); /* corner case: disabling unused clocks */ - if ((__clk_get_enable_count(clk) == 0) && clkdm->usecount == 0) + if (clk && (__clk_get_enable_count(clk) == 0) && clkdm->usecount == 0) goto ccd_exit; if (clkdm->usecount == 0) { @@ -1277,7 +1264,7 @@ int clkdm_hwmod_enable(struct clockdomain *clkdm, struct omap_hwmod *oh) if (!oh) return -EINVAL; - return _clkdm_clk_hwmod_enable(clkdm); + return clkdm_clk_enable(clkdm, NULL); } /** @@ -1300,35 +1287,10 @@ int clkdm_hwmod_disable(struct clockdomain *clkdm, struct omap_hwmod *oh) if (cpu_is_omap24xx() || cpu_is_omap34xx()) return 0; - /* - * XXX Rewrite this code to maintain a list of enabled - * downstream hwmods for debugging purposes? - */ - - if (!clkdm || !oh || !arch_clkdm || !arch_clkdm->clkdm_clk_disable) + if (!oh) return -EINVAL; - pwrdm_lock(clkdm->pwrdm.ptr); - - if (clkdm->usecount == 0) { - pwrdm_unlock(clkdm->pwrdm.ptr); - WARN_ON(1); /* underflow */ - return -ERANGE; - } - - clkdm->usecount--; - if (clkdm->usecount > 0) { - pwrdm_unlock(clkdm->pwrdm.ptr); - return 0; - } - - arch_clkdm->clkdm_clk_disable(clkdm); - pwrdm_state_switch_nolock(clkdm->pwrdm.ptr); - pwrdm_unlock(clkdm->pwrdm.ptr); - - pr_debug("clockdomain: %s: disabled\n", clkdm->name); - - return 0; + return clkdm_clk_disable(clkdm, NULL); } /** diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c index c84b5e260617..73338cf80d76 100644 --- a/arch/arm/mach-omap2/control.c +++ b/arch/arm/mach-omap2/control.c @@ -684,7 +684,7 @@ static u32 am33xx_control_vals[ARRAY_SIZE(am43xx_control_reg_offsets)]; * * Save the wkup domain registers */ -void am43xx_control_save_context(void) +static void am43xx_control_save_context(void) { int i; @@ -698,7 +698,7 @@ void am43xx_control_save_context(void) * * Restore the wkup domain registers */ -void am43xx_control_restore_context(void) +static void am43xx_control_restore_context(void) { int i; diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 203664c40d3d..a136788db839 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -623,39 +623,6 @@ static int _enable_wakeup(struct omap_hwmod *oh, u32 *v) return 0; } -/** - * _disable_wakeup: clear OCP_SYSCONFIG.ENAWAKEUP bit in the hardware - * @oh: struct omap_hwmod * - * - * Prevent the hardware module @oh to send wakeups. Returns -EINVAL - * upon error or 0 upon success. - */ -static int _disable_wakeup(struct omap_hwmod *oh, u32 *v) -{ - if (!oh->class->sysc || - !((oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP) || - (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) || - (oh->class->sysc->idlemodes & MSTANDBY_SMART_WKUP))) - return -EINVAL; - - if (!oh->class->sysc->sysc_fields) { - WARN(1, "omap_hwmod: %s: offset struct for sysconfig not provided in class\n", oh->name); - return -EINVAL; - } - - if (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP) - *v &= ~(0x1 << oh->class->sysc->sysc_fields->enwkup_shift); - - if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) - _set_slave_idlemode(oh, HWMOD_IDLEMODE_SMART, v); - if (oh->class->sysc->idlemodes & MSTANDBY_SMART_WKUP) - _set_master_standbymode(oh, HWMOD_IDLEMODE_SMART, v); - - /* XXX test pwrdm_get_wken for this hwmod's subsystem */ - - return 0; -} - static struct clockdomain *_get_clkdm(struct omap_hwmod *oh) { struct clk_hw_omap *clk; @@ -3868,70 +3835,6 @@ void __iomem *omap_hwmod_get_mpu_rt_va(struct omap_hwmod *oh) */ /** - * omap_hwmod_enable_wakeup - allow device to wake up the system - * @oh: struct omap_hwmod * - * - * Sets the module OCP socket ENAWAKEUP bit to allow the module to - * send wakeups to the PRCM, and enable I/O ring wakeup events for - * this IP block if it has dynamic mux entries. Eventually this - * should set PRCM wakeup registers to cause the PRCM to receive - * wakeup events from the module. Does not set any wakeup routing - * registers beyond this point - if the module is to wake up any other - * module or subsystem, that must be set separately. Called by - * omap_device code. Returns -EINVAL on error or 0 upon success. - */ -int omap_hwmod_enable_wakeup(struct omap_hwmod *oh) -{ - unsigned long flags; - u32 v; - - spin_lock_irqsave(&oh->_lock, flags); - - if (oh->class->sysc && - (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)) { - v = oh->_sysc_cache; - _enable_wakeup(oh, &v); - _write_sysconfig(v, oh); - } - - spin_unlock_irqrestore(&oh->_lock, flags); - - return 0; -} - -/** - * omap_hwmod_disable_wakeup - prevent device from waking the system - * @oh: struct omap_hwmod * - * - * Clears the module OCP socket ENAWAKEUP bit to prevent the module - * from sending wakeups to the PRCM, and disable I/O ring wakeup - * events for this IP block if it has dynamic mux entries. Eventually - * this should clear PRCM wakeup registers to cause the PRCM to ignore - * wakeup events from the module. Does not set any wakeup routing - * registers beyond this point - if the module is to wake up any other - * module or subsystem, that must be set separately. Called by - * omap_device code. Returns -EINVAL on error or 0 upon success. - */ -int omap_hwmod_disable_wakeup(struct omap_hwmod *oh) -{ - unsigned long flags; - u32 v; - - spin_lock_irqsave(&oh->_lock, flags); - - if (oh->class->sysc && - (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)) { - v = oh->_sysc_cache; - _disable_wakeup(oh, &v); - _write_sysconfig(v, oh); - } - - spin_unlock_irqrestore(&oh->_lock, flags); - - return 0; -} - -/** * omap_hwmod_assert_hardreset - assert the HW reset line of submodules * contained in the hwmod module. * @oh: struct omap_hwmod * diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h index ef1bb08b1a2d..2d0fd99d4713 100644 --- a/arch/arm/mach-omap2/omap_hwmod.h +++ b/arch/arm/mach-omap2/omap_hwmod.h @@ -646,9 +646,6 @@ int omap_hwmod_get_resource_byname(struct omap_hwmod *oh, unsigned int type, struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh); void __iomem *omap_hwmod_get_mpu_rt_va(struct omap_hwmod *oh); -int omap_hwmod_enable_wakeup(struct omap_hwmod *oh); -int omap_hwmod_disable_wakeup(struct omap_hwmod *oh); - int omap_hwmod_for_each_by_class(const char *classname, int (*fn)(struct omap_hwmod *oh, void *user), diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 28ea2960a9b2..a11cd6f57d7c 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -790,7 +790,7 @@ static struct omap_hwmod_class omap44xx_sha0_hwmod_class = { .sysc = &omap44xx_sha0_sysc, }; -struct omap_hwmod omap44xx_sha0_hwmod = { +static struct omap_hwmod omap44xx_sha0_hwmod = { .name = "sham", .class = &omap44xx_sha0_hwmod_class, .clkdm_name = "l4_secure_clkdm", @@ -974,7 +974,7 @@ static struct omap_hwmod omap44xx_des_hwmod = { }, }; -struct omap_hwmod_ocp_if omap44xx_l3_main_2__des = { +static struct omap_hwmod_ocp_if omap44xx_l3_main_2__des = { .master = &omap44xx_l3_main_2_hwmod, .slave = &omap44xx_des_hwmod, .clk = "l3_div_ck", diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c index e5bd549d2a5e..bd392d59382b 100644 --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c @@ -683,7 +683,7 @@ static struct omap_hwmod_class dra7xx_sha0_hwmod_class = { .sysc = &dra7xx_sha0_sysc, }; -struct omap_hwmod dra7xx_sha0_hwmod = { +static struct omap_hwmod dra7xx_sha0_hwmod = { .name = "sham", .class = &dra7xx_sha0_hwmod_class, .clkdm_name = "l4sec_clkdm", diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c index d942a3357090..02abeb44cab2 100644 --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -11,7 +11,6 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/of_platform.h> -#include <linux/ti_wilink_st.h> #include <linux/wl12xx.h> #include <linux/mmc/card.h> #include <linux/mmc/host.h> @@ -139,53 +138,6 @@ static void __init omap3_sbc_t3530_legacy_init(void) omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub"); } -static struct ti_st_plat_data wilink_pdata = { - .nshutdown_gpio = 137, - .dev_name = "/dev/ttyO1", - .flow_cntrl = 1, - .baud_rate = 300000, -}; - -static struct platform_device wl18xx_device = { - .name = "kim", - .id = -1, - .dev = { - .platform_data = &wilink_pdata, - } -}; - -static struct ti_st_plat_data wilink7_pdata = { - .nshutdown_gpio = 162, - .dev_name = "/dev/ttyO1", - .flow_cntrl = 1, - .baud_rate = 3000000, -}; - -static struct platform_device wl128x_device = { - .name = "kim", - .id = -1, - .dev = { - .platform_data = &wilink7_pdata, - } -}; - -static struct platform_device btwilink_device = { - .name = "btwilink", - .id = -1, -}; - -static void __init omap3_igep0020_rev_f_legacy_init(void) -{ - platform_device_register(&wl18xx_device); - platform_device_register(&btwilink_device); -} - -static void __init omap3_igep0030_rev_g_legacy_init(void) -{ - platform_device_register(&wl18xx_device); - platform_device_register(&btwilink_device); -} - static void __init omap3_evm_legacy_init(void) { hsmmc2_internal_input_clk(); @@ -299,8 +251,6 @@ static void __init omap3_tao3530_legacy_init(void) static void __init omap3_logicpd_torpedo_init(void) { omap3_gpio126_127_129(); - platform_device_register(&wl128x_device); - platform_device_register(&btwilink_device); } /* omap3pandora legacy devices */ @@ -679,8 +629,6 @@ static struct pdata_init pdata_quirks[] __initdata = { { "nokia,omap3-n900", nokia_n900_legacy_init, }, { "nokia,omap3-n9", hsmmc2_internal_input_clk, }, { "nokia,omap3-n950", hsmmc2_internal_input_clk, }, - { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, }, - { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, }, { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, }, { "ti,omap3-evm-37xx", omap3_evm_legacy_init, }, { "ti,am3517-evm", am3517_evm_legacy_init, }, diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c index 1d9346f2a4ae..25093c1e5b9a 100644 --- a/arch/arm/mach-omap2/prm44xx.c +++ b/arch/arm/mach-omap2/prm44xx.c @@ -745,7 +745,7 @@ struct pwrdm_ops omap4_pwrdm_operations = { static int omap44xx_prm_late_init(void); -void prm_save_context(void) +static void prm_save_context(void) { omap_prm_context.irq_enable = omap4_prm_read_inst_reg(AM43XX_PRM_OCP_SOCKET_INST, @@ -756,7 +756,7 @@ void prm_save_context(void) omap4_prcm_irq_setup.pm_ctrl); } -void prm_restore_context(void) +static void prm_restore_context(void) { omap4_prm_write_inst_reg(omap_prm_context.irq_enable, OMAP4430_PRM_OCP_SOCKET_INST, |