regulator: Add and use rdev_<level> macros

On Tue, 2010-11-30 at 10:52 +0000, Mark Brown wrote:
> On Mon, Nov 29, 2010 at 05:12:56PM -0800, Joe Perches wrote:
> > Just to please broonie...
> > Signed-off-by: Joe Perches <joe@perches.com>
> As usual when fixing review issues please revise your original patch
> rather than posting a fresh patch.

Here's an earlier comment:

On Thu, 2010-11-18 at 13:30 +0000, Mark Brown wrote:
> This looks reasonable, please rebase on top of Daniel's patches and
> submit it properly (with changelog and so on).

Sometimes it's simpler for an upstream maintainer to do
something like:

git am -s <patch1.mbox>
patch -p1 < patch2.mbox
git commit --amend file

instead of back and forthing.

Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

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, &regulator->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(&regulator_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: