diff options
| -rw-r--r-- | drivers/regulator/core.c | 146 |
1 files changed, 65 insertions, 81 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 40cf7b9ea943..e63366f826f9 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -32,6 +32,15 @@ #include "dummy.h" +#define rdev_err(rdev, fmt, ...) \ + pr_err("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) +#define rdev_warn(rdev, fmt, ...) \ + pr_warn("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) +#define rdev_info(rdev, fmt, ...) \ + pr_info("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) +#define rdev_dbg(rdev, fmt, ...) \ + pr_debug("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) + static DEFINE_MUTEX(regulator_list_mutex); static LIST_HEAD(regulator_list); static LIST_HEAD(regulator_map_list); @@ -114,11 +123,11 @@ static int regulator_check_voltage(struct regulator_dev *rdev, BUG_ON(*min_uV > *max_uV); if (!rdev->constraints) { - pr_err("no constraints for %s\n", rdev_get_name(rdev)); + rdev_err(rdev, "no constraints\n"); return -ENODEV; } if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) { - pr_err("operation not allowed for %s\n", rdev_get_name(rdev)); + rdev_err(rdev, "operation not allowed\n"); return -EPERM; } @@ -140,11 +149,11 @@ static int regulator_check_current_limit(struct regulator_dev *rdev, BUG_ON(*min_uA > *max_uA); if (!rdev->constraints) { - pr_err("no constraints for %s\n", rdev_get_name(rdev)); + rdev_err(rdev, "no constraints\n"); return -ENODEV; } if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_CURRENT)) { - pr_err("operation not allowed for %s\n", rdev_get_name(rdev)); + rdev_err(rdev, "operation not allowed\n"); return -EPERM; } @@ -173,15 +182,15 @@ static int regulator_check_mode(struct regulator_dev *rdev, int mode) } if (!rdev->constraints) { - pr_err("no constraints for %s\n", rdev_get_name(rdev)); + rdev_err(rdev, "no constraints\n"); return -ENODEV; } if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_MODE)) { - pr_err("operation not allowed for %s\n", rdev_get_name(rdev)); + rdev_err(rdev, "operation not allowed\n"); return -EPERM; } if (!(rdev->constraints->valid_modes_mask & mode)) { - pr_err("invalid mode %x for %s\n", mode, rdev_get_name(rdev)); + rdev_err(rdev, "invalid mode %x\n", mode); return -EINVAL; } return 0; @@ -191,11 +200,11 @@ static int regulator_check_mode(struct regulator_dev *rdev, int mode) static int regulator_check_drms(struct regulator_dev *rdev) { if (!rdev->constraints) { - pr_err("no constraints for %s\n", rdev_get_name(rdev)); + rdev_err(rdev, "no constraints\n"); return -ENODEV; } if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_DRMS)) { - pr_err("operation not allowed for %s\n", rdev_get_name(rdev)); + rdev_err(rdev, "operation not allowed\n"); return -EPERM; } return 0; @@ -592,18 +601,17 @@ static int suspend_set_state(struct regulator_dev *rdev, */ if (!rstate->enabled && !rstate->disabled) { if (can_set_state) - pr_warning("No configuration for %s\n", - rdev_get_name(rdev)); + rdev_warn(rdev, "No configuration\n"); return 0; } if (rstate->enabled && rstate->disabled) { - pr_err("invalid configuration for %s\n", rdev_get_name(rdev)); + rdev_err(rdev, "invalid configuration\n"); return -EINVAL; } if (!can_set_state) { - pr_err("no way to set suspend state\n"); + rdev_err(rdev, "no way to set suspend state\n"); return -EINVAL; } @@ -612,14 +620,14 @@ static int suspend_set_state(struct regulator_dev *rdev, else ret = rdev->desc->ops->set_suspend_disable(rdev); if (ret < 0) { - pr_err("failed to enabled/disable\n"); + rdev_err(rdev, "failed to enabled/disable\n"); return ret; } if (rdev->desc->ops->set_suspend_voltage && rstate->uV > 0) { ret = rdev->desc->ops->set_suspend_voltage(rdev, rstate->uV); if (ret < 0) { - pr_err("failed to set voltage\n"); + rdev_err(rdev, "failed to set voltage\n"); return ret; } } @@ -627,7 +635,7 @@ static int suspend_set_state(struct regulator_dev *rdev, if (rdev->desc->ops->set_suspend_mode && rstate->mode > 0) { ret = rdev->desc->ops->set_suspend_mode(rdev, rstate->mode); if (ret < 0) { - pr_err("failed to set mode\n"); + rdev_err(rdev, "failed to set mode\n"); return ret; } } @@ -705,14 +713,13 @@ static void print_constraints(struct regulator_dev *rdev) if (constraints->valid_modes_mask & REGULATOR_MODE_STANDBY) count += sprintf(buf + count, "standby"); - printk(KERN_INFO "regulator: %s: %s\n", rdev_get_name(rdev), buf); + rdev_info(rdev, "regulator: %s\n", buf); } static int machine_constraints_voltage(struct regulator_dev *rdev, struct regulation_constraints *constraints) { struct regulator_ops *ops = rdev->desc->ops; - const char *name = rdev_get_name(rdev); int ret; unsigned selector; @@ -725,8 +732,8 @@ static int machine_constraints_voltage(struct regulator_dev *rdev, rdev->constraints->max_uV, &selector); if (ret < 0) { - pr_err("failed to apply %duV constraint to %s\n", - rdev->constraints->min_uV, name); + rdev_err(rdev, "failed to apply %duV constraint\n", + rdev->constraints->min_uV); rdev->constraints = NULL; return ret; } @@ -758,8 +765,7 @@ static int machine_constraints_voltage(struct regulator_dev *rdev, /* else require explicit machine-level constraints */ if (cmin <= 0 || cmax <= 0 || cmax < cmin) { - pr_err("invalid '%s' voltage constraints\n", - name); + rdev_err(rdev, "invalid voltage constraints\n"); return -EINVAL; } @@ -780,20 +786,19 @@ static int machine_constraints_voltage(struct regulator_dev *rdev, /* final: [min_uV..max_uV] valid iff constraints valid */ if (max_uV < min_uV) { - pr_err("unsupportable '%s' voltage constraints\n", - name); + rdev_err(rdev, "unsupportable voltage constraints\n"); return -EINVAL; } /* use regulator's subset of machine constraints */ if (constraints->min_uV < min_uV) { - pr_debug("override '%s' min_uV, %d -> %d\n", - name, constraints->min_uV, min_uV); + rdev_dbg(rdev, "override min_uV, %d -> %d\n", + constraints->min_uV, min_uV); constraints->min_uV = min_uV; } if (constraints->max_uV > max_uV) { - pr_debug("override '%s' max_uV, %d -> %d\n", - name, constraints->max_uV, max_uV); + rdev_dbg(rdev, "override max_uV, %d -> %d\n", + constraints->max_uV, max_uV); constraints->max_uV = max_uV; } } @@ -816,7 +821,6 @@ static int set_machine_constraints(struct regulator_dev *rdev, const struct regulation_constraints *constraints) { int ret = 0; - const char *name; struct regulator_ops *ops = rdev->desc->ops; rdev->constraints = kmemdup(constraints, sizeof(*constraints), @@ -824,8 +828,6 @@ static int set_machine_constraints(struct regulator_dev *rdev, if (!rdev->constraints) return -ENOMEM; - name = rdev_get_name(rdev); - ret = machine_constraints_voltage(rdev, rdev->constraints); if (ret != 0) goto out; @@ -834,8 +836,7 @@ static int set_machine_constraints(struct regulator_dev *rdev, if (constraints->initial_state) { ret = suspend_prepare(rdev, rdev->constraints->initial_state); if (ret < 0) { - pr_err("failed to set suspend state for %s\n", - name); + rdev_err(rdev, "failed to set suspend state\n"); rdev->constraints = NULL; goto out; } @@ -843,16 +844,14 @@ static int set_machine_constraints(struct regulator_dev *rdev, if (constraints->initial_mode) { if (!ops->set_mode) { - pr_err("no set_mode operation for %s\n", - name); + rdev_err(rdev, "no set_mode operation\n"); ret = -EINVAL; goto out; } ret = ops->set_mode(rdev, rdev->constraints->initial_mode); if (ret < 0) { - pr_err("failed to set initial mode for %s: %d\n", - name, ret); + rdev_err(rdev, "failed to set initial mode: %d\n", ret); goto out; } } @@ -864,7 +863,7 @@ static int set_machine_constraints(struct regulator_dev *rdev, ops->enable) { ret = ops->enable(rdev); if (ret < 0) { - pr_err("failed to enable %s\n", name); + rdev_err(rdev, "failed to enable\n"); rdev->constraints = NULL; goto out; } @@ -892,8 +891,8 @@ static int set_supply(struct regulator_dev *rdev, err = sysfs_create_link(&rdev->dev.kobj, &supply_rdev->dev.kobj, "supply"); if (err) { - pr_err("could not add device link %s err %d\n", - supply_rdev->dev.kobj.name, err); + rdev_err(rdev, "could not add device link %s err %d\n", + supply_rdev->dev.kobj.name, err); goto out; } rdev->supply = supply_rdev; @@ -949,10 +948,10 @@ static int set_consumer_device_supply(struct regulator_dev *rdev, continue; dev_dbg(consumer_dev, "%s/%s is '%s' supply; fail %s/%s\n", - dev_name(&node->regulator->dev), - node->regulator->desc->name, - supply, - dev_name(&rdev->dev), rdev_get_name(rdev)); + dev_name(&node->regulator->dev), + node->regulator->desc->name, + supply, + dev_name(&rdev->dev), rdev_get_name(rdev)); return -EBUSY; } @@ -1023,8 +1022,7 @@ static struct regulator *create_regulator(struct regulator_dev *rdev, regulator->dev_attr.show = device_requested_uA_show; err = device_create_file(dev, ®ulator->dev_attr); if (err < 0) { - pr_warning("could not add regulator_dev" - " requested microamps sysfs entry\n"); + rdev_warn(rdev, "could not add regulator_dev requested microamps sysfs entry\n"); goto attr_name_err; } @@ -1041,8 +1039,8 @@ static struct regulator *create_regulator(struct regulator_dev *rdev, err = sysfs_create_link(&rdev->dev.kobj, &dev->kobj, buf); if (err) { - pr_warning("could not add device link %s err %d\n", - dev->kobj.name, err); + rdev_warn(rdev, "could not add device link %s err %d\n", + dev->kobj.name, err); goto link_name_err; } } @@ -1079,7 +1077,7 @@ static struct regulator *_regulator_get(struct device *dev, const char *id, int ret; if (id == NULL) { - pr_err("regulator: get() with no identifier\n"); + pr_err("get() with no identifier\n"); return regulator; } @@ -1113,8 +1111,8 @@ static struct regulator *_regulator_get(struct device *dev, const char *id, * substitute in a dummy regulator so consumers can continue. */ if (!has_full_constraints) { - pr_warning("%s supply %s not found, using dummy regulator\n", - devname, id); + pr_warn("%s supply %s not found, using dummy regulator\n", + devname, id); rdev = dummy_regulator_rdev; goto found; } @@ -1265,8 +1263,7 @@ static int _regulator_enable(struct regulator_dev *rdev) ret = _regulator_enable(rdev->supply); mutex_unlock(&rdev->supply->mutex); if (ret < 0) { - pr_err("failed to enable %s: %d\n", - rdev_get_name(rdev), ret); + rdev_err(rdev, "failed to enable: %d\n", ret); return ret; } } @@ -1293,8 +1290,7 @@ static int _regulator_enable(struct regulator_dev *rdev) if (ret >= 0) { delay = ret; } else { - pr_warning("enable_time() failed for %s: %d\n", - rdev_get_name(rdev), + rdev_warn(rdev, "enable_time() failed: %d\n", ret); delay = 0; } @@ -1320,8 +1316,7 @@ static int _regulator_enable(struct regulator_dev *rdev) trace_regulator_enable_complete(rdev_get_name(rdev)); } else if (ret < 0) { - pr_err("is_enabled() failed for %s: %d\n", - rdev_get_name(rdev), ret); + rdev_err(rdev, "is_enabled() failed: %d\n", ret); return ret; } /* Fallthrough on positive return values - already enabled */ @@ -1378,8 +1373,7 @@ static int _regulator_disable(struct regulator_dev *rdev, ret = rdev->desc->ops->disable(rdev); if (ret < 0) { - pr_err("failed to disable %s\n", - rdev_get_name(rdev)); + rdev_err(rdev, "failed to disable\n"); return ret; } @@ -1451,8 +1445,7 @@ static int _regulator_force_disable(struct regulator_dev *rdev, /* ah well, who wants to live forever... */ ret = rdev->desc->ops->disable(rdev); if (ret < 0) { - pr_err("failed to force disable %s\n", - rdev_get_name(rdev)); + rdev_err(rdev, "failed to force disable\n"); return ret; } /* notify other consumers that power has been forced off */ @@ -1893,8 +1886,7 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load) /* get output voltage */ output_uV = rdev->desc->ops->get_voltage(rdev); if (output_uV <= 0) { - pr_err("invalid output voltage found for %s\n", - rdev_get_name(rdev)); + rdev_err(rdev, "invalid output voltage found\n"); goto out; } @@ -1904,8 +1896,7 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load) else input_uV = rdev->constraints->input_uV; if (input_uV <= 0) { - pr_err("invalid input voltage found for %s\n", - rdev_get_name(rdev)); + rdev_err(rdev, "invalid input voltage found\n"); goto out; } @@ -1918,16 +1909,14 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load) total_uA_load); ret = regulator_check_mode(rdev, mode); if (ret < 0) { - pr_err("failed to get optimum mode for %s @" - " %d uA %d -> %d uV\n", rdev_get_name(rdev), - total_uA_load, input_uV, output_uV); + rdev_err(rdev, "failed to get optimum mode @ %d uA %d -> %d uV\n", + total_uA_load, input_uV, output_uV); goto out; } ret = rdev->desc->ops->set_mode(rdev, mode); if (ret < 0) { - pr_err("failed to set optimum mode %x for %s\n", - mode, rdev_get_name(rdev)); + rdev_err(rdev, "failed to set optimum mode %x\n", mode); goto out; } ret = mode; @@ -2058,7 +2047,7 @@ int regulator_bulk_enable(int num_consumers, return 0; err: - printk(KERN_ERR "Failed to enable %s: %d\n", consumers[i].supply, ret); + pr_err("Failed to enable %s: %d\n", consumers[i].supply, ret); for (--i; i >= 0; --i) regulator_disable(consumers[i].consumer); @@ -2093,8 +2082,7 @@ int regulator_bulk_disable(int num_consumers, return 0; err: - printk(KERN_ERR "Failed to disable %s: %d\n", consumers[i].supply, - ret); + pr_err("Failed to disable %s: %d\n", consumers[i].supply, ret); for (--i; i >= 0; --i) regulator_enable(consumers[i].consumer); @@ -2477,7 +2465,7 @@ int regulator_suspend_prepare(suspend_state_t state) mutex_unlock(&rdev->mutex); if (ret < 0) { - pr_err("failed to prepare %s\n", rdev_get_name(rdev)); + rdev_err(rdev, "failed to prepare\n"); goto out; } } @@ -2599,7 +2587,6 @@ static int __init regulator_init_complete(void) struct regulator_ops *ops; struct regulation_constraints *c; int enabled, ret; - const char *name; mutex_lock(®ulator_list_mutex); @@ -2611,8 +2598,6 @@ static int __init regulator_init_complete(void) ops = rdev->desc->ops; c = rdev->constraints; - name = rdev_get_name(rdev); - if (!ops->disable || (c && c->always_on)) continue; @@ -2633,10 +2618,10 @@ static int __init regulator_init_complete(void) if (has_full_constraints) { /* We log since this may kill the system if it * goes wrong. */ - pr_info("disabling %s\n", name); + rdev_info(rdev, "disabling\n"); ret = ops->disable(rdev); if (ret != 0) { - pr_err("couldn't disable %s: %d\n", name, ret); + rdev_err(rdev, "couldn't disable: %d\n", ret); } } else { /* The intention is that in future we will @@ -2644,8 +2629,7 @@ static int __init regulator_init_complete(void) * so warn even if we aren't going to do * anything here. */ - pr_warning("incomplete constraints, leaving %s on\n", - name); + rdev_warn(rdev, "incomplete constraints, leaving on\n"); } unlock: |