diff options
Diffstat (limited to 'arch/arm/mach-omap2/clockdomain.c')
-rw-r--r-- | arch/arm/mach-omap2/clockdomain.c | 59 |
1 files changed, 30 insertions, 29 deletions
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index 4c3ce9cfd94..e9b4f6c564e 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -22,6 +22,7 @@ #include <linux/delay.h> #include <linux/clk.h> #include <linux/limits.h> +#include <linux/err.h> #include <linux/io.h> @@ -71,14 +72,14 @@ static void _autodep_lookup(struct clkdm_pwrdm_autodep *autodep) if (!omap_chip_is(autodep->omap_chip)) return; - pwrdm = pwrdm_lookup(autodep->pwrdm_name); + pwrdm = pwrdm_lookup(autodep->pwrdm.name); if (!pwrdm) { pr_debug("clockdomain: _autodep_lookup: powerdomain %s " - "does not exist\n", autodep->pwrdm_name); + "does not exist\n", autodep->pwrdm.name); WARN_ON(1); - return; + pwrdm = ERR_PTR(-ENOENT); } - autodep->pwrdm = pwrdm; + autodep->pwrdm.ptr = pwrdm; return; } @@ -95,16 +96,16 @@ static void _clkdm_add_autodeps(struct clockdomain *clkdm) { struct clkdm_pwrdm_autodep *autodep; - for (autodep = autodeps; autodep->pwrdm_name; autodep++) { - if (!autodep->pwrdm) + for (autodep = autodeps; autodep->pwrdm.ptr; autodep++) { + if (IS_ERR(autodep->pwrdm.ptr)) continue; pr_debug("clockdomain: adding %s sleepdep/wkdep for " - "pwrdm %s\n", autodep->pwrdm_name, - clkdm->pwrdm->name); + "pwrdm %s\n", autodep->pwrdm.ptr->name, + clkdm->pwrdm.ptr->name); - pwrdm_add_sleepdep(clkdm->pwrdm, autodep->pwrdm); - pwrdm_add_wkdep(clkdm->pwrdm, autodep->pwrdm); + pwrdm_add_sleepdep(clkdm->pwrdm.ptr, autodep->pwrdm.ptr); + pwrdm_add_wkdep(clkdm->pwrdm.ptr, autodep->pwrdm.ptr); } } @@ -120,16 +121,16 @@ static void _clkdm_del_autodeps(struct clockdomain *clkdm) { struct clkdm_pwrdm_autodep *autodep; - for (autodep = autodeps; autodep->pwrdm_name; autodep++) { - if (!autodep->pwrdm) + for (autodep = autodeps; autodep->pwrdm.ptr; autodep++) { + if (IS_ERR(autodep->pwrdm.ptr)) continue; pr_debug("clockdomain: removing %s sleepdep/wkdep for " - "pwrdm %s\n", autodep->pwrdm_name, - clkdm->pwrdm->name); + "pwrdm %s\n", autodep->pwrdm.ptr->name, + clkdm->pwrdm.ptr->name); - pwrdm_del_sleepdep(clkdm->pwrdm, autodep->pwrdm); - pwrdm_del_wkdep(clkdm->pwrdm, autodep->pwrdm); + pwrdm_del_sleepdep(clkdm->pwrdm.ptr, autodep->pwrdm.ptr); + pwrdm_del_wkdep(clkdm->pwrdm.ptr, autodep->pwrdm.ptr); } } @@ -179,7 +180,7 @@ void clkdm_init(struct clockdomain **clkdms, autodeps = init_autodeps; if (autodeps) - for (autodep = autodeps; autodep->pwrdm_name; autodep++) + for (autodep = autodeps; autodep->pwrdm.ptr; autodep++) _autodep_lookup(autodep); } @@ -202,13 +203,13 @@ int clkdm_register(struct clockdomain *clkdm) if (!omap_chip_is(clkdm->omap_chip)) return -EINVAL; - pwrdm = pwrdm_lookup(clkdm->pwrdm_name); + pwrdm = pwrdm_lookup(clkdm->pwrdm.name); if (!pwrdm) { pr_debug("clockdomain: clkdm_register %s: powerdomain %s " - "does not exist\n", clkdm->name, clkdm->pwrdm_name); + "does not exist\n", clkdm->name, clkdm->pwrdm.name); return -EINVAL; } - clkdm->pwrdm = pwrdm; + clkdm->pwrdm.ptr = pwrdm; mutex_lock(&clkdm_mutex); /* Verify that the clockdomain is not already registered */ @@ -242,7 +243,7 @@ int clkdm_unregister(struct clockdomain *clkdm) if (!clkdm) return -EINVAL; - pwrdm_del_clkdm(clkdm->pwrdm, clkdm); + pwrdm_del_clkdm(clkdm->pwrdm.ptr, clkdm); mutex_lock(&clkdm_mutex); list_del(&clkdm->node); @@ -327,7 +328,7 @@ struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm) if (!clkdm) return NULL; - return clkdm->pwrdm; + return clkdm->pwrdm.ptr; } @@ -348,7 +349,7 @@ static int omap2_clkdm_clktrctrl_read(struct clockdomain *clkdm) if (!clkdm) return -EINVAL; - v = cm_read_mod_reg(clkdm->pwrdm->prcm_offs, CM_CLKSTCTRL); + v = cm_read_mod_reg(clkdm->pwrdm.ptr->prcm_offs, CM_CLKSTCTRL); v &= clkdm->clktrctrl_mask; v >>= __ffs(clkdm->clktrctrl_mask); @@ -380,7 +381,7 @@ int omap2_clkdm_sleep(struct clockdomain *clkdm) if (cpu_is_omap24xx()) { cm_set_mod_reg_bits(OMAP24XX_FORCESTATE, - clkdm->pwrdm->prcm_offs, PM_PWSTCTRL); + clkdm->pwrdm.ptr->prcm_offs, PM_PWSTCTRL); } else if (cpu_is_omap34xx()) { @@ -388,7 +389,7 @@ int omap2_clkdm_sleep(struct clockdomain *clkdm) __ffs(clkdm->clktrctrl_mask)); cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask, v, - clkdm->pwrdm->prcm_offs, CM_CLKSTCTRL); + clkdm->pwrdm.ptr->prcm_offs, CM_CLKSTCTRL); } else { BUG(); @@ -422,7 +423,7 @@ int omap2_clkdm_wakeup(struct clockdomain *clkdm) if (cpu_is_omap24xx()) { cm_clear_mod_reg_bits(OMAP24XX_FORCESTATE, - clkdm->pwrdm->prcm_offs, PM_PWSTCTRL); + clkdm->pwrdm.ptr->prcm_offs, PM_PWSTCTRL); } else if (cpu_is_omap34xx()) { @@ -430,7 +431,7 @@ int omap2_clkdm_wakeup(struct clockdomain *clkdm) __ffs(clkdm->clktrctrl_mask)); cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask, v, - clkdm->pwrdm->prcm_offs, CM_CLKSTCTRL); + clkdm->pwrdm.ptr->prcm_offs, CM_CLKSTCTRL); } else { BUG(); @@ -478,7 +479,7 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm) cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask, v << __ffs(clkdm->clktrctrl_mask), - clkdm->pwrdm->prcm_offs, + clkdm->pwrdm.ptr->prcm_offs, CM_CLKSTCTRL); } @@ -516,7 +517,7 @@ void omap2_clkdm_deny_idle(struct clockdomain *clkdm) cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask, v << __ffs(clkdm->clktrctrl_mask), - clkdm->pwrdm->prcm_offs, CM_CLKSTCTRL); + clkdm->pwrdm.ptr->prcm_offs, CM_CLKSTCTRL); if (atomic_read(&clkdm->usecount) > 0) _clkdm_del_autodeps(clkdm); |