Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752520Ab0KRBaM (ORCPT ); Wed, 17 Nov 2010 20:30:12 -0500 Received: from mail.perches.com ([173.55.12.10]:1523 "EHLO mail.perches.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750952Ab0KRBaL (ORCPT ); Wed, 17 Nov 2010 20:30:11 -0500 Subject: Re: [PATCH 2/2] drivers: regulator: core: convert to using pr_ macros From: Joe Perches To: Daniel Walker Cc: Liam Girdwood , Mark Brown , linux-kernel@vger.kernel.org, bleong@codeaurora.org In-Reply-To: <1290040611.28741.332.camel@Joe-Laptop> References: <1290036628-9928-1-git-send-email-dwalker@codeaurora.org> <1290036628-9928-2-git-send-email-dwalker@codeaurora.org> <1290040611.28741.332.camel@Joe-Laptop> Content-Type: text/plain; charset="UTF-8" Date: Wed, 17 Nov 2010 17:30:07 -0800 Message-ID: <1290043807.28741.334.camel@Joe-Laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 19094 Lines: 567 On Wed, 2010-11-17 at 16:36 -0800, Joe Perches wrote: > On Wed, 2010-11-17 at 15:30 -0800, Daniel Walker wrote: > > The regulator framework uses a lot of printks with a > > specific formatting using __func__. This converts them > > to use pr_ calls with a central format string. > [] > > drivers/regulator/core.c | 131 +++++++++++++++++++--------------------------- > > 1 files changed, 54 insertions(+), 77 deletions(-) > > > > diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c > > index a3ca3d6..67cae17 100644 > > --- a/drivers/regulator/core.c > > +++ b/drivers/regulator/core.c > [] > > @@ -113,13 +113,11 @@ static int regulator_check_voltage(struct regulator_dev *rdev, > > BUG_ON(*min_uV > *max_uV); > > > > if (!rdev->constraints) { > > - printk(KERN_ERR "%s: no constraints for %s\n", __func__, > > - rdev_get_name(rdev)); > > + pr_err("no constraints for %s\n", rdev_get_name(rdev)); > > return -ENODEV; > > Hi Daniel. > > I think it'd be better to introduce and use: > > #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__); Perhaps something like this: Compiled/untested. --- drivers/regulator/core.c | 182 ++++++++++++++++++--------------------------- 1 files changed, 73 insertions(+), 109 deletions(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index f1d10c9..5dcec73 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -13,6 +13,8 @@ * */ +#define pr_fmt(fmt) "%s: " fmt, __func__ + #include #include #include @@ -29,6 +31,15 @@ #define REGULATOR_VERSION "0.5" +#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_debug(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); @@ -111,13 +122,11 @@ static int regulator_check_voltage(struct regulator_dev *rdev, BUG_ON(*min_uV > *max_uV); if (!rdev->constraints) { - printk(KERN_ERR "%s: no constraints for %s\n", __func__, - rdev_get_name(rdev)); + rdev_err(rdev, "no constraints\n"); return -ENODEV; } if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) { - printk(KERN_ERR "%s: operation not allowed for %s\n", - __func__, rdev_get_name(rdev)); + rdev_err(rdev, "operation not allowed\n"); return -EPERM; } @@ -139,13 +148,11 @@ static int regulator_check_current_limit(struct regulator_dev *rdev, BUG_ON(*min_uA > *max_uA); if (!rdev->constraints) { - printk(KERN_ERR "%s: no constraints for %s\n", __func__, - rdev_get_name(rdev)); + rdev_err(rdev, "no constraints\n"); return -ENODEV; } if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_CURRENT)) { - printk(KERN_ERR "%s: operation not allowed for %s\n", - __func__, rdev_get_name(rdev)); + rdev_err(rdev, "operation not allowed\n"); return -EPERM; } @@ -174,18 +181,15 @@ static int regulator_check_mode(struct regulator_dev *rdev, int mode) } if (!rdev->constraints) { - printk(KERN_ERR "%s: no constraints for %s\n", __func__, - rdev_get_name(rdev)); + rdev_err(rdev, "no constraints\n"); return -ENODEV; } if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_MODE)) { - printk(KERN_ERR "%s: operation not allowed for %s\n", - __func__, rdev_get_name(rdev)); + rdev_err(rdev, "operation not allowed\n"); return -EPERM; } if (!(rdev->constraints->valid_modes_mask & mode)) { - printk(KERN_ERR "%s: invalid mode %x for %s\n", - __func__, mode, rdev_get_name(rdev)); + rdev_err(rdev, "invalid mode %x\n", mode); return -EINVAL; } return 0; @@ -195,13 +199,11 @@ static int regulator_check_mode(struct regulator_dev *rdev, int mode) static int regulator_check_drms(struct regulator_dev *rdev) { if (!rdev->constraints) { - printk(KERN_ERR "%s: no constraints for %s\n", __func__, - rdev_get_name(rdev)); + rdev_err(rdev, "no constraints\n"); return -ENODEV; } if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_DRMS)) { - printk(KERN_ERR "%s: operation not allowed for %s\n", - __func__, rdev_get_name(rdev)); + rdev_err(rdev, "operation not allowed\n"); return -EPERM; } return 0; @@ -598,20 +600,17 @@ static int suspend_set_state(struct regulator_dev *rdev, */ if (!rstate->enabled && !rstate->disabled) { if (can_set_state) - printk(KERN_WARNING "%s: No configuration for %s\n", - __func__, rdev_get_name(rdev)); + rdev_warn(rdev, "No configuration\n"); return 0; } if (rstate->enabled && rstate->disabled) { - printk(KERN_ERR "%s: invalid configuration for %s\n", - __func__, rdev_get_name(rdev)); + rdev_err(rdev, "invalid configuration\n"); return -EINVAL; } if (!can_set_state) { - printk(KERN_ERR "%s: no way to set suspend state\n", - __func__); + rdev_err(rdev, "no way to set suspend state\n"); return -EINVAL; } @@ -620,15 +619,14 @@ static int suspend_set_state(struct regulator_dev *rdev, else ret = rdev->desc->ops->set_suspend_disable(rdev); if (ret < 0) { - printk(KERN_ERR "%s: failed to enabled/disable\n", __func__); + 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) { - printk(KERN_ERR "%s: failed to set voltage\n", - __func__); + rdev_err(rdev, "failed to set voltage\n"); return ret; } } @@ -636,7 +634,7 @@ 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) { - printk(KERN_ERR "%s: failed to set mode\n", __func__); + rdev_err(rdev, "failed to set mode\n"); return ret; } } @@ -714,14 +712,13 @@ 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; /* do we need to apply the constraint voltage */ @@ -731,9 +728,9 @@ static int machine_constraints_voltage(struct regulator_dev *rdev, ret = ops->set_voltage(rdev, rdev->constraints->min_uV, rdev->constraints->max_uV); if (ret < 0) { - printk(KERN_ERR "%s: failed to apply %duV constraint to %s\n", - __func__, - rdev->constraints->min_uV, name); + rdev_err(rdev, + "failed to apply %duV constraint\n", + rdev->constraints->min_uV); rdev->constraints = NULL; return ret; } @@ -765,8 +762,7 @@ static int machine_constraints_voltage(struct regulator_dev *rdev, /* else require explicit machine-level constraints */ if (cmin <= 0 || cmax <= 0 || cmax < cmin) { - pr_err("%s: %s '%s' voltage constraints\n", - __func__, "invalid", name); + rdev_err(rdev, "invalid voltage constraints\n"); return -EINVAL; } @@ -787,22 +783,19 @@ 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("%s: %s '%s' voltage constraints\n", - __func__, "unsupportable", 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("%s: override '%s' %s, %d -> %d\n", - __func__, name, "min_uV", - constraints->min_uV, min_uV); + rdev_debug(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("%s: override '%s' %s, %d -> %d\n", - __func__, name, "max_uV", - constraints->max_uV, max_uV); + rdev_debug(rdev, "override max_uV, %d -> %d\n", + constraints->max_uV, max_uV); constraints->max_uV = max_uV; } } @@ -825,13 +818,10 @@ static int set_machine_constraints(struct regulator_dev *rdev, struct regulation_constraints *constraints) { int ret = 0; - const char *name; struct regulator_ops *ops = rdev->desc->ops; rdev->constraints = constraints; - name = rdev_get_name(rdev); - ret = machine_constraints_voltage(rdev, constraints); if (ret != 0) goto out; @@ -840,8 +830,7 @@ static int set_machine_constraints(struct regulator_dev *rdev, if (constraints->initial_state) { ret = suspend_prepare(rdev, constraints->initial_state); if (ret < 0) { - printk(KERN_ERR "%s: failed to set suspend state for %s\n", - __func__, name); + rdev_err(rdev, "failed to set suspend state\n"); rdev->constraints = NULL; goto out; } @@ -849,17 +838,14 @@ static int set_machine_constraints(struct regulator_dev *rdev, if (constraints->initial_mode) { if (!ops->set_mode) { - printk(KERN_ERR "%s: no set_mode operation for %s\n", - __func__, name); + rdev_err(rdev, "no set_mode operation\n"); ret = -EINVAL; goto out; } ret = ops->set_mode(rdev, constraints->initial_mode); if (ret < 0) { - printk(KERN_ERR - "%s: failed to set initial mode for %s: %d\n", - __func__, name, ret); + rdev_err(rdev, "failed to set initial mode: %d\n", ret); goto out; } } @@ -870,8 +856,7 @@ static int set_machine_constraints(struct regulator_dev *rdev, if ((constraints->always_on || constraints->boot_on) && ops->enable) { ret = ops->enable(rdev); if (ret < 0) { - printk(KERN_ERR "%s: failed to enable %s\n", - __func__, name); + rdev_err(rdev, "failed to enable\n"); rdev->constraints = NULL; goto out; } @@ -899,10 +884,9 @@ static int set_supply(struct regulator_dev *rdev, err = sysfs_create_link(&rdev->dev.kobj, &supply_rdev->dev.kobj, "supply"); if (err) { - printk(KERN_ERR - "%s: could not add device link %s err %d\n", - __func__, supply_rdev->dev.kobj.name, err); - goto out; + pr_err("could not add device link %s err %d\n", + supply_rdev->dev.kobj.name, err); + goto out; } rdev->supply = supply_rdev; list_add(&rdev->slist, &supply_rdev->supply_list); @@ -957,10 +941,10 @@ 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; } @@ -1031,8 +1015,8 @@ 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) { - printk(KERN_WARNING "%s: could not add regulator_dev" - " load sysfs\n", __func__); + rdev_warn(rdev, + "could not add regulator_dev load sysfs\n"); goto attr_name_err; } @@ -1049,9 +1033,8 @@ static struct regulator *create_regulator(struct regulator_dev *rdev, err = sysfs_create_link(&rdev->dev.kobj, &dev->kobj, buf); if (err) { - printk(KERN_WARNING - "%s: could not add device link %s err %d\n", - __func__, dev->kobj.name, err); + rdev_warn(rdev, "could not add device link %s err %d\n", + dev->kobj.name, err); device_remove_file(dev, ®ulator->dev_attr); goto link_name_err; } @@ -1089,7 +1072,7 @@ static struct regulator *_regulator_get(struct device *dev, const char *id, int ret; if (id == NULL) { - printk(KERN_ERR "regulator: get() with no identifier\n"); + pr_err("regulator: get() with no identifier\n"); return regulator; } @@ -1123,8 +1106,8 @@ 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; } @@ -1272,8 +1255,7 @@ static int _regulator_enable(struct regulator_dev *rdev) if (rdev->supply) { ret = _regulator_enable(rdev->supply); if (ret < 0) { - printk(KERN_ERR "%s: failed to enable %s: %d\n", - __func__, rdev_get_name(rdev), ret); + rdev_err(rdev, "failed to enable: %d\n", ret); return ret; } } @@ -1299,10 +1281,8 @@ static int _regulator_enable(struct regulator_dev *rdev) if (ret >= 0) { delay = ret; } else { - printk(KERN_WARNING - "%s: enable_time() failed for %s: %d\n", - __func__, rdev_get_name(rdev), - ret); + rdev_warn(rdev, "enable_time() failed: %d\n", + ret); delay = 0; } @@ -1319,8 +1299,7 @@ static int _regulator_enable(struct regulator_dev *rdev) udelay(delay); } else if (ret < 0) { - printk(KERN_ERR "%s: is_enabled() failed for %s: %d\n", - __func__, rdev_get_name(rdev), ret); + rdev_err(rdev, "is_enabled() failed: %d\n", ret); return ret; } /* Fallthrough on positive return values - already enabled */ @@ -1374,8 +1353,7 @@ static int _regulator_disable(struct regulator_dev *rdev, rdev->desc->ops->disable) { ret = rdev->desc->ops->disable(rdev); if (ret < 0) { - printk(KERN_ERR "%s: failed to disable %s\n", - __func__, rdev_get_name(rdev)); + rdev_err(rdev, "failed to disable\n"); return ret; } @@ -1445,8 +1423,7 @@ 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) { - printk(KERN_ERR "%s: failed to force disable %s\n", - __func__, rdev_get_name(rdev)); + rdev_err(rdev, "failed to force disable\n"); return ret; } /* notify other consumers that power has been forced off */ @@ -1876,8 +1853,7 @@ 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) { - printk(KERN_ERR "%s: invalid output voltage found for %s\n", - __func__, rdev_get_name(rdev)); + rdev_err(rdev, "invalid output voltage found\n"); goto out; } @@ -1887,8 +1863,7 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load) else input_uV = rdev->constraints->input_uV; if (input_uV <= 0) { - printk(KERN_ERR "%s: invalid input voltage found for %s\n", - __func__, rdev_get_name(rdev)); + rdev_err(rdev, "invalid input voltage found\n"); goto out; } @@ -1901,16 +1876,15 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load) total_uA_load); ret = regulator_check_mode(rdev, mode); if (ret < 0) { - printk(KERN_ERR "%s: failed to get optimum mode for %s @" - " %d uA %d -> %d uV\n", __func__, 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) { - printk(KERN_ERR "%s: failed to set optimum mode %x for %s\n", - __func__, mode, rdev_get_name(rdev)); + rdev_err(rdev, "failed to set optimum mode %x\n", mode); goto out; } ret = mode; @@ -2041,7 +2015,7 @@ 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); @@ -2076,8 +2050,7 @@ 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); @@ -2457,8 +2430,7 @@ int regulator_suspend_prepare(suspend_state_t state) mutex_unlock(&rdev->mutex); if (ret < 0) { - printk(KERN_ERR "%s: failed to prepare %s\n", - __func__, rdev_get_name(rdev)); + rdev_err(rdev, "failed to prepare\n"); goto out; } } @@ -2564,7 +2536,7 @@ static int __init regulator_init(void) { int ret; - printk(KERN_INFO "regulator: core version %s\n", REGULATOR_VERSION); + pr_info("regulator: core version %s\n", REGULATOR_VERSION); ret = class_register(®ulator_class); @@ -2582,7 +2554,6 @@ 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); @@ -2594,8 +2565,6 @@ 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; @@ -2616,13 +2585,10 @@ static int __init regulator_init_complete(void) if (has_full_constraints) { /* We log since this may kill the system if it * goes wrong. */ - printk(KERN_INFO "%s: disabling %s\n", - __func__, name); + rdev_info(rdev, "disabling\n"); ret = ops->disable(rdev); if (ret != 0) { - printk(KERN_ERR - "%s: couldn't disable %s: %d\n", - __func__, name, ret); + rdev_err(rdev, "couldn't disable: %d\n", ret); } } else { /* The intention is that in future we will @@ -2630,9 +2596,7 @@ static int __init regulator_init_complete(void) * so warn even if we aren't going to do * anything here. */ - printk(KERN_WARNING - "%s: incomplete constraints, leaving %s on\n", - __func__, name); + rdev_warn(rdev, "incomplete constraints, leaving on\n"); } unlock: -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/