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authorLiam Girdwood <lrg@slimlogic.co.uk>2011-08-01 13:25:06 -0400
committerLiam Girdwood <lrg@slimlogic.co.uk>2011-08-01 13:25:06 -0400
commit424c3d4a2c7d4ac3467a4849f8ccc230f670c35a (patch)
tree55806b1367b42ec210f273c16bf350182ac6fd62
parent02f8c6aee8df3cdc935e9bdd4f2d020306035dbe (diff)
parent88cda60e512373ca18a663ee66dc2550800223eb (diff)
Merge branch 'for-next' into for-linus
-rw-r--r--drivers/regulator/core.c190
-rw-r--r--drivers/regulator/dummy.c32
-rw-r--r--drivers/regulator/tps65910-regulator.c63
-rw-r--r--drivers/regulator/twl-regulator.c66
-rw-r--r--drivers/regulator/wm831x-dcdc.c126
-rw-r--r--drivers/regulator/wm831x-ldo.c25
-rw-r--r--drivers/regulator/wm8994-regulator.c4
-rw-r--r--include/linux/regulator/consumer.h3
-rw-r--r--include/linux/regulator/driver.h4
-rw-r--r--sound/soc/codecs/tlv320aic3x.c34
10 files changed, 332 insertions, 215 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index d3e38790906e..d8e6a429e8ba 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -20,6 +20,7 @@
20#include <linux/debugfs.h> 20#include <linux/debugfs.h>
21#include <linux/device.h> 21#include <linux/device.h>
22#include <linux/slab.h> 22#include <linux/slab.h>
23#include <linux/async.h>
23#include <linux/err.h> 24#include <linux/err.h>
24#include <linux/mutex.h> 25#include <linux/mutex.h>
25#include <linux/suspend.h> 26#include <linux/suspend.h>
@@ -33,6 +34,8 @@
33 34
34#include "dummy.h" 35#include "dummy.h"
35 36
37#define rdev_crit(rdev, fmt, ...) \
38 pr_crit("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
36#define rdev_err(rdev, fmt, ...) \ 39#define rdev_err(rdev, fmt, ...) \
37 pr_err("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) 40 pr_err("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
38#define rdev_warn(rdev, fmt, ...) \ 41#define rdev_warn(rdev, fmt, ...) \
@@ -78,11 +81,13 @@ struct regulator {
78 char *supply_name; 81 char *supply_name;
79 struct device_attribute dev_attr; 82 struct device_attribute dev_attr;
80 struct regulator_dev *rdev; 83 struct regulator_dev *rdev;
84#ifdef CONFIG_DEBUG_FS
85 struct dentry *debugfs;
86#endif
81}; 87};
82 88
83static int _regulator_is_enabled(struct regulator_dev *rdev); 89static int _regulator_is_enabled(struct regulator_dev *rdev);
84static int _regulator_disable(struct regulator_dev *rdev, 90static int _regulator_disable(struct regulator_dev *rdev);
85 struct regulator_dev **supply_rdev_ptr);
86static int _regulator_get_voltage(struct regulator_dev *rdev); 91static int _regulator_get_voltage(struct regulator_dev *rdev);
87static int _regulator_get_current_limit(struct regulator_dev *rdev); 92static int _regulator_get_current_limit(struct regulator_dev *rdev);
88static unsigned int _regulator_get_mode(struct regulator_dev *rdev); 93static unsigned int _regulator_get_mode(struct regulator_dev *rdev);
@@ -90,6 +95,9 @@ static void _notifier_call_chain(struct regulator_dev *rdev,
90 unsigned long event, void *data); 95 unsigned long event, void *data);
91static int _regulator_do_set_voltage(struct regulator_dev *rdev, 96static int _regulator_do_set_voltage(struct regulator_dev *rdev,
92 int min_uV, int max_uV); 97 int min_uV, int max_uV);
98static struct regulator *create_regulator(struct regulator_dev *rdev,
99 struct device *dev,
100 const char *supply_name);
93 101
94static const char *rdev_get_name(struct regulator_dev *rdev) 102static const char *rdev_get_name(struct regulator_dev *rdev)
95{ 103{
@@ -143,8 +151,11 @@ static int regulator_check_voltage(struct regulator_dev *rdev,
143 if (*min_uV < rdev->constraints->min_uV) 151 if (*min_uV < rdev->constraints->min_uV)
144 *min_uV = rdev->constraints->min_uV; 152 *min_uV = rdev->constraints->min_uV;
145 153
146 if (*min_uV > *max_uV) 154 if (*min_uV > *max_uV) {
155 rdev_err(rdev, "unsupportable voltage range: %d-%duV\n",
156 *min_uV, *max_uV);
147 return -EINVAL; 157 return -EINVAL;
158 }
148 159
149 return 0; 160 return 0;
150} 161}
@@ -197,8 +208,11 @@ static int regulator_check_current_limit(struct regulator_dev *rdev,
197 if (*min_uA < rdev->constraints->min_uA) 208 if (*min_uA < rdev->constraints->min_uA)
198 *min_uA = rdev->constraints->min_uA; 209 *min_uA = rdev->constraints->min_uA;
199 210
200 if (*min_uA > *max_uA) 211 if (*min_uA > *max_uA) {
212 rdev_err(rdev, "unsupportable current range: %d-%duA\n",
213 *min_uA, *max_uA);
201 return -EINVAL; 214 return -EINVAL;
215 }
202 216
203 return 0; 217 return 0;
204} 218}
@@ -213,6 +227,7 @@ static int regulator_mode_constrain(struct regulator_dev *rdev, int *mode)
213 case REGULATOR_MODE_STANDBY: 227 case REGULATOR_MODE_STANDBY:
214 break; 228 break;
215 default: 229 default:
230 rdev_err(rdev, "invalid mode %x specified\n", *mode);
216 return -EINVAL; 231 return -EINVAL;
217 } 232 }
218 233
@@ -779,7 +794,6 @@ static int machine_constraints_voltage(struct regulator_dev *rdev,
779 if (ret < 0) { 794 if (ret < 0) {
780 rdev_err(rdev, "failed to apply %duV constraint\n", 795 rdev_err(rdev, "failed to apply %duV constraint\n",
781 rdev->constraints->min_uV); 796 rdev->constraints->min_uV);
782 rdev->constraints = NULL;
783 return ret; 797 return ret;
784 } 798 }
785 } 799 }
@@ -882,7 +896,6 @@ static int set_machine_constraints(struct regulator_dev *rdev,
882 ret = suspend_prepare(rdev, rdev->constraints->initial_state); 896 ret = suspend_prepare(rdev, rdev->constraints->initial_state);
883 if (ret < 0) { 897 if (ret < 0) {
884 rdev_err(rdev, "failed to set suspend state\n"); 898 rdev_err(rdev, "failed to set suspend state\n");
885 rdev->constraints = NULL;
886 goto out; 899 goto out;
887 } 900 }
888 } 901 }
@@ -909,13 +922,15 @@ static int set_machine_constraints(struct regulator_dev *rdev,
909 ret = ops->enable(rdev); 922 ret = ops->enable(rdev);
910 if (ret < 0) { 923 if (ret < 0) {
911 rdev_err(rdev, "failed to enable\n"); 924 rdev_err(rdev, "failed to enable\n");
912 rdev->constraints = NULL;
913 goto out; 925 goto out;
914 } 926 }
915 } 927 }
916 928
917 print_constraints(rdev); 929 print_constraints(rdev);
930 return 0;
918out: 931out:
932 kfree(rdev->constraints);
933 rdev->constraints = NULL;
919 return ret; 934 return ret;
920} 935}
921 936
@@ -929,21 +944,20 @@ out:
929 * core if it's child is enabled. 944 * core if it's child is enabled.
930 */ 945 */
931static int set_supply(struct regulator_dev *rdev, 946static int set_supply(struct regulator_dev *rdev,
932 struct regulator_dev *supply_rdev) 947 struct regulator_dev *supply_rdev)
933{ 948{
934 int err; 949 int err;
935 950
936 err = sysfs_create_link(&rdev->dev.kobj, &supply_rdev->dev.kobj, 951 rdev_info(rdev, "supplied by %s\n", rdev_get_name(supply_rdev));
937 "supply"); 952
938 if (err) { 953 rdev->supply = create_regulator(supply_rdev, &rdev->dev, "SUPPLY");
939 rdev_err(rdev, "could not add device link %s err %d\n", 954 if (IS_ERR(rdev->supply)) {
940 supply_rdev->dev.kobj.name, err); 955 err = PTR_ERR(rdev->supply);
941 goto out; 956 rdev->supply = NULL;
957 return err;
942 } 958 }
943 rdev->supply = supply_rdev; 959
944 list_add(&rdev->slist, &supply_rdev->supply_list); 960 return 0;
945out:
946 return err;
947} 961}
948 962
949/** 963/**
@@ -1032,7 +1046,7 @@ static void unset_regulator_supplies(struct regulator_dev *rdev)
1032 } 1046 }
1033} 1047}
1034 1048
1035#define REG_STR_SIZE 32 1049#define REG_STR_SIZE 64
1036 1050
1037static struct regulator *create_regulator(struct regulator_dev *rdev, 1051static struct regulator *create_regulator(struct regulator_dev *rdev,
1038 struct device *dev, 1052 struct device *dev,
@@ -1052,8 +1066,9 @@ static struct regulator *create_regulator(struct regulator_dev *rdev,
1052 1066
1053 if (dev) { 1067 if (dev) {
1054 /* create a 'requested_microamps_name' sysfs entry */ 1068 /* create a 'requested_microamps_name' sysfs entry */
1055 size = scnprintf(buf, REG_STR_SIZE, "microamps_requested_%s", 1069 size = scnprintf(buf, REG_STR_SIZE,
1056 supply_name); 1070 "microamps_requested_%s-%s",
1071 dev_name(dev), supply_name);
1057 if (size >= REG_STR_SIZE) 1072 if (size >= REG_STR_SIZE)
1058 goto overflow_err; 1073 goto overflow_err;
1059 1074
@@ -1088,7 +1103,28 @@ static struct regulator *create_regulator(struct regulator_dev *rdev,
1088 dev->kobj.name, err); 1103 dev->kobj.name, err);
1089 goto link_name_err; 1104 goto link_name_err;
1090 } 1105 }
1106 } else {
1107 regulator->supply_name = kstrdup(supply_name, GFP_KERNEL);
1108 if (regulator->supply_name == NULL)
1109 goto attr_err;
1110 }
1111
1112#ifdef CONFIG_DEBUG_FS
1113 regulator->debugfs = debugfs_create_dir(regulator->supply_name,
1114 rdev->debugfs);
1115 if (IS_ERR_OR_NULL(regulator->debugfs)) {
1116 rdev_warn(rdev, "Failed to create debugfs directory\n");
1117 regulator->debugfs = NULL;
1118 } else {
1119 debugfs_create_u32("uA_load", 0444, regulator->debugfs,
1120 &regulator->uA_load);
1121 debugfs_create_u32("min_uV", 0444, regulator->debugfs,
1122 &regulator->min_uV);
1123 debugfs_create_u32("max_uV", 0444, regulator->debugfs,
1124 &regulator->max_uV);
1091 } 1125 }
1126#endif
1127
1092 mutex_unlock(&rdev->mutex); 1128 mutex_unlock(&rdev->mutex);
1093 return regulator; 1129 return regulator;
1094link_name_err: 1130link_name_err:
@@ -1267,13 +1303,17 @@ void regulator_put(struct regulator *regulator)
1267 mutex_lock(&regulator_list_mutex); 1303 mutex_lock(&regulator_list_mutex);
1268 rdev = regulator->rdev; 1304 rdev = regulator->rdev;
1269 1305
1306#ifdef CONFIG_DEBUG_FS
1307 debugfs_remove_recursive(regulator->debugfs);
1308#endif
1309
1270 /* remove any sysfs entries */ 1310 /* remove any sysfs entries */
1271 if (regulator->dev) { 1311 if (regulator->dev) {
1272 sysfs_remove_link(&rdev->dev.kobj, regulator->supply_name); 1312 sysfs_remove_link(&rdev->dev.kobj, regulator->supply_name);
1273 kfree(regulator->supply_name);
1274 device_remove_file(regulator->dev, &regulator->dev_attr); 1313 device_remove_file(regulator->dev, &regulator->dev_attr);
1275 kfree(regulator->dev_attr.attr.name); 1314 kfree(regulator->dev_attr.attr.name);
1276 } 1315 }
1316 kfree(regulator->supply_name);
1277 list_del(&regulator->list); 1317 list_del(&regulator->list);
1278 kfree(regulator); 1318 kfree(regulator);
1279 1319
@@ -1301,19 +1341,6 @@ static int _regulator_enable(struct regulator_dev *rdev)
1301{ 1341{
1302 int ret, delay; 1342 int ret, delay;
1303 1343
1304 if (rdev->use_count == 0) {
1305 /* do we need to enable the supply regulator first */
1306 if (rdev->supply) {
1307 mutex_lock(&rdev->supply->mutex);
1308 ret = _regulator_enable(rdev->supply);
1309 mutex_unlock(&rdev->supply->mutex);
1310 if (ret < 0) {
1311 rdev_err(rdev, "failed to enable: %d\n", ret);
1312 return ret;
1313 }
1314 }
1315 }
1316
1317 /* check voltage and requested load before enabling */ 1344 /* check voltage and requested load before enabling */
1318 if (rdev->constraints && 1345 if (rdev->constraints &&
1319 (rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_DRMS)) 1346 (rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_DRMS))
@@ -1388,19 +1415,27 @@ int regulator_enable(struct regulator *regulator)
1388 struct regulator_dev *rdev = regulator->rdev; 1415 struct regulator_dev *rdev = regulator->rdev;
1389 int ret = 0; 1416 int ret = 0;
1390 1417
1418 if (rdev->supply) {
1419 ret = regulator_enable(rdev->supply);
1420 if (ret != 0)
1421 return ret;
1422 }
1423
1391 mutex_lock(&rdev->mutex); 1424 mutex_lock(&rdev->mutex);
1392 ret = _regulator_enable(rdev); 1425 ret = _regulator_enable(rdev);
1393 mutex_unlock(&rdev->mutex); 1426 mutex_unlock(&rdev->mutex);
1427
1428 if (ret != 0)
1429 regulator_disable(rdev->supply);
1430
1394 return ret; 1431 return ret;
1395} 1432}
1396EXPORT_SYMBOL_GPL(regulator_enable); 1433EXPORT_SYMBOL_GPL(regulator_enable);
1397 1434
1398/* locks held by regulator_disable() */ 1435/* locks held by regulator_disable() */
1399static int _regulator_disable(struct regulator_dev *rdev, 1436static int _regulator_disable(struct regulator_dev *rdev)
1400 struct regulator_dev **supply_rdev_ptr)
1401{ 1437{
1402 int ret = 0; 1438 int ret = 0;
1403 *supply_rdev_ptr = NULL;
1404 1439
1405 if (WARN(rdev->use_count <= 0, 1440 if (WARN(rdev->use_count <= 0,
1406 "unbalanced disables for %s\n", rdev_get_name(rdev))) 1441 "unbalanced disables for %s\n", rdev_get_name(rdev)))
@@ -1427,9 +1462,6 @@ static int _regulator_disable(struct regulator_dev *rdev,
1427 NULL); 1462 NULL);
1428 } 1463 }
1429 1464
1430 /* decrease our supplies ref count and disable if required */
1431 *supply_rdev_ptr = rdev->supply;
1432
1433 rdev->use_count = 0; 1465 rdev->use_count = 0;
1434 } else if (rdev->use_count > 1) { 1466 } else if (rdev->use_count > 1) {
1435 1467
@@ -1440,6 +1472,7 @@ static int _regulator_disable(struct regulator_dev *rdev,
1440 1472
1441 rdev->use_count--; 1473 rdev->use_count--;
1442 } 1474 }
1475
1443 return ret; 1476 return ret;
1444} 1477}
1445 1478
@@ -1458,29 +1491,21 @@ static int _regulator_disable(struct regulator_dev *rdev,
1458int regulator_disable(struct regulator *regulator) 1491int regulator_disable(struct regulator *regulator)
1459{ 1492{
1460 struct regulator_dev *rdev = regulator->rdev; 1493 struct regulator_dev *rdev = regulator->rdev;
1461 struct regulator_dev *supply_rdev = NULL;
1462 int ret = 0; 1494 int ret = 0;
1463 1495
1464 mutex_lock(&rdev->mutex); 1496 mutex_lock(&rdev->mutex);
1465 ret = _regulator_disable(rdev, &supply_rdev); 1497 ret = _regulator_disable(rdev);
1466 mutex_unlock(&rdev->mutex); 1498 mutex_unlock(&rdev->mutex);
1467 1499
1468 /* decrease our supplies ref count and disable if required */ 1500 if (ret == 0 && rdev->supply)
1469 while (supply_rdev != NULL) { 1501 regulator_disable(rdev->supply);
1470 rdev = supply_rdev;
1471
1472 mutex_lock(&rdev->mutex);
1473 _regulator_disable(rdev, &supply_rdev);
1474 mutex_unlock(&rdev->mutex);
1475 }
1476 1502
1477 return ret; 1503 return ret;
1478} 1504}
1479EXPORT_SYMBOL_GPL(regulator_disable); 1505EXPORT_SYMBOL_GPL(regulator_disable);
1480 1506
1481/* locks held by regulator_force_disable() */ 1507/* locks held by regulator_force_disable() */
1482static int _regulator_force_disable(struct regulator_dev *rdev, 1508static int _regulator_force_disable(struct regulator_dev *rdev)
1483 struct regulator_dev **supply_rdev_ptr)
1484{ 1509{
1485 int ret = 0; 1510 int ret = 0;
1486 1511
@@ -1497,10 +1522,6 @@ static int _regulator_force_disable(struct regulator_dev *rdev,
1497 REGULATOR_EVENT_DISABLE, NULL); 1522 REGULATOR_EVENT_DISABLE, NULL);
1498 } 1523 }
1499 1524
1500 /* decrease our supplies ref count and disable if required */
1501 *supply_rdev_ptr = rdev->supply;
1502
1503 rdev->use_count = 0;
1504 return ret; 1525 return ret;
1505} 1526}
1506 1527
@@ -1516,16 +1537,16 @@ static int _regulator_force_disable(struct regulator_dev *rdev,
1516int regulator_force_disable(struct regulator *regulator) 1537int regulator_force_disable(struct regulator *regulator)
1517{ 1538{
1518 struct regulator_dev *rdev = regulator->rdev; 1539 struct regulator_dev *rdev = regulator->rdev;
1519 struct regulator_dev *supply_rdev = NULL;
1520 int ret; 1540 int ret;
1521 1541
1522 mutex_lock(&rdev->mutex); 1542 mutex_lock(&rdev->mutex);
1523 regulator->uA_load = 0; 1543 regulator->uA_load = 0;
1524 ret = _regulator_force_disable(rdev, &supply_rdev); 1544 ret = _regulator_force_disable(regulator->rdev);
1525 mutex_unlock(&rdev->mutex); 1545 mutex_unlock(&rdev->mutex);
1526 1546
1527 if (supply_rdev) 1547 if (rdev->supply)
1528 regulator_disable(get_device_regulator(rdev_get_dev(supply_rdev))); 1548 while (rdev->open_count--)
1549 regulator_disable(rdev->supply);
1529 1550
1530 return ret; 1551 return ret;
1531} 1552}
@@ -2136,7 +2157,7 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load)
2136 /* get input voltage */ 2157 /* get input voltage */
2137 input_uV = 0; 2158 input_uV = 0;
2138 if (rdev->supply) 2159 if (rdev->supply)
2139 input_uV = _regulator_get_voltage(rdev->supply); 2160 input_uV = regulator_get_voltage(rdev->supply);
2140 if (input_uV <= 0) 2161 if (input_uV <= 0)
2141 input_uV = rdev->constraints->input_uV; 2162 input_uV = rdev->constraints->input_uV;
2142 if (input_uV <= 0) { 2163 if (input_uV <= 0) {
@@ -2206,17 +2227,8 @@ EXPORT_SYMBOL_GPL(regulator_unregister_notifier);
2206static void _notifier_call_chain(struct regulator_dev *rdev, 2227static void _notifier_call_chain(struct regulator_dev *rdev,
2207 unsigned long event, void *data) 2228 unsigned long event, void *data)
2208{ 2229{
2209 struct regulator_dev *_rdev;
2210
2211 /* call rdev chain first */ 2230 /* call rdev chain first */
2212 blocking_notifier_call_chain(&rdev->notifier, event, NULL); 2231 blocking_notifier_call_chain(&rdev->notifier, event, NULL);
2213
2214 /* now notify regulator we supply */
2215 list_for_each_entry(_rdev, &rdev->supply_list, slist) {
2216 mutex_lock(&_rdev->mutex);
2217 _notifier_call_chain(_rdev, event, data);
2218 mutex_unlock(&_rdev->mutex);
2219 }
2220} 2232}
2221 2233
2222/** 2234/**
@@ -2264,6 +2276,13 @@ err:
2264} 2276}
2265EXPORT_SYMBOL_GPL(regulator_bulk_get); 2277EXPORT_SYMBOL_GPL(regulator_bulk_get);
2266 2278
2279static void regulator_bulk_enable_async(void *data, async_cookie_t cookie)
2280{
2281 struct regulator_bulk_data *bulk = data;
2282
2283 bulk->ret = regulator_enable(bulk->consumer);
2284}
2285
2267/** 2286/**
2268 * regulator_bulk_enable - enable multiple regulator consumers 2287 * regulator_bulk_enable - enable multiple regulator consumers
2269 * 2288 *
@@ -2279,21 +2298,33 @@ EXPORT_SYMBOL_GPL(regulator_bulk_get);
2279int regulator_bulk_enable(int num_consumers, 2298int regulator_bulk_enable(int num_consumers,
2280 struct regulator_bulk_data *consumers) 2299 struct regulator_bulk_data *consumers)
2281{ 2300{
2301 LIST_HEAD(async_domain);
2282 int i; 2302 int i;
2283 int ret; 2303 int ret = 0;
2304
2305 for (i = 0; i < num_consumers; i++)
2306 async_schedule_domain(regulator_bulk_enable_async,
2307 &consumers[i], &async_domain);
2308
2309 async_synchronize_full_domain(&async_domain);
2284 2310
2311 /* If any consumer failed we need to unwind any that succeeded */
2285 for (i = 0; i < num_consumers; i++) { 2312 for (i = 0; i < num_consumers; i++) {
2286 ret = regulator_enable(consumers[i].consumer); 2313 if (consumers[i].ret != 0) {
2287 if (ret != 0) 2314 ret = consumers[i].ret;
2288 goto err; 2315 goto err;
2316 }
2289 } 2317 }
2290 2318
2291 return 0; 2319 return 0;
2292 2320
2293err: 2321err:
2294 pr_err("Failed to enable %s: %d\n", consumers[i].supply, ret); 2322 for (i = 0; i < num_consumers; i++)
2295 for (--i; i >= 0; --i) 2323 if (consumers[i].ret == 0)
2296 regulator_disable(consumers[i].consumer); 2324 regulator_disable(consumers[i].consumer);
2325 else
2326 pr_err("Failed to enable %s: %d\n",
2327 consumers[i].supply, consumers[i].ret);
2297 2328
2298 return ret; 2329 return ret;
2299} 2330}
@@ -2589,9 +2620,7 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
2589 rdev->owner = regulator_desc->owner; 2620 rdev->owner = regulator_desc->owner;
2590 rdev->desc = regulator_desc; 2621 rdev->desc = regulator_desc;
2591 INIT_LIST_HEAD(&rdev->consumer_list); 2622 INIT_LIST_HEAD(&rdev->consumer_list);
2592 INIT_LIST_HEAD(&rdev->supply_list);
2593 INIT_LIST_HEAD(&rdev->list); 2623 INIT_LIST_HEAD(&rdev->list);
2594 INIT_LIST_HEAD(&rdev->slist);
2595 BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier); 2624 BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier);
2596 2625
2597 /* preform any regulator specific init */ 2626 /* preform any regulator specific init */
@@ -2672,6 +2701,7 @@ unset_supplies:
2672 unset_regulator_supplies(rdev); 2701 unset_regulator_supplies(rdev);
2673 2702
2674scrub: 2703scrub:
2704 kfree(rdev->constraints);
2675 device_unregister(&rdev->dev); 2705 device_unregister(&rdev->dev);
2676 /* device core frees rdev */ 2706 /* device core frees rdev */
2677 rdev = ERR_PTR(ret); 2707 rdev = ERR_PTR(ret);
@@ -2703,7 +2733,7 @@ void regulator_unregister(struct regulator_dev *rdev)
2703 unset_regulator_supplies(rdev); 2733 unset_regulator_supplies(rdev);
2704 list_del(&rdev->list); 2734 list_del(&rdev->list);
2705 if (rdev->supply) 2735 if (rdev->supply)
2706 sysfs_remove_link(&rdev->dev.kobj, "supply"); 2736 regulator_put(rdev->supply);
2707 device_unregister(&rdev->dev); 2737 device_unregister(&rdev->dev);
2708 kfree(rdev->constraints); 2738 kfree(rdev->constraints);
2709 mutex_unlock(&regulator_list_mutex); 2739 mutex_unlock(&regulator_list_mutex);
diff --git a/drivers/regulator/dummy.c b/drivers/regulator/dummy.c
index c7410bde7b5d..f6ef6694ab98 100644
--- a/drivers/regulator/dummy.c
+++ b/drivers/regulator/dummy.c
@@ -36,6 +36,29 @@ static struct regulator_desc dummy_desc = {
36 .ops = &dummy_ops, 36 .ops = &dummy_ops,
37}; 37};
38 38
39static int __devinit dummy_regulator_probe(struct platform_device *pdev)
40{
41 int ret;
42
43 dummy_regulator_rdev = regulator_register(&dummy_desc, NULL,
44 &dummy_initdata, NULL);
45 if (IS_ERR(dummy_regulator_rdev)) {
46 ret = PTR_ERR(dummy_regulator_rdev);
47 pr_err("Failed to register regulator: %d\n", ret);
48 return ret;
49 }
50
51 return 0;
52}
53
54static struct platform_driver dummy_regulator_driver = {
55 .probe = dummy_regulator_probe,
56 .driver = {
57 .name = "reg-dummy",
58 .owner = THIS_MODULE,
59 },
60};
61
39static struct platform_device *dummy_pdev; 62static struct platform_device *dummy_pdev;
40 63
41void __init regulator_dummy_init(void) 64void __init regulator_dummy_init(void)
@@ -55,12 +78,9 @@ void __init regulator_dummy_init(void)
55 return; 78 return;
56 } 79 }
57 80
58 dummy_regulator_rdev = regulator_register(&dummy_desc, NULL, 81 ret = platform_driver_register(&dummy_regulator_driver);
59 &dummy_initdata, NULL); 82 if (ret != 0) {
60 if (IS_ERR(dummy_regulator_rdev)) { 83 pr_err("Failed to register dummy regulator driver: %d\n", ret);
61 ret = PTR_ERR(dummy_regulator_rdev);
62 pr_err("Failed to register regulator: %d\n", ret);
63 platform_device_unregister(dummy_pdev); 84 platform_device_unregister(dummy_pdev);
64 return;
65 } 85 }
66} 86}
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index 55dd4e6650db..66d2d60b436a 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -49,7 +49,6 @@
49#define TPS65911_REG_LDO7 11 49#define TPS65911_REG_LDO7 11
50#define TPS65911_REG_LDO8 12 50#define TPS65911_REG_LDO8 12
51 51
52#define TPS65910_NUM_REGULATOR 13
53#define TPS65910_SUPPLY_STATE_ENABLED 0x1 52#define TPS65910_SUPPLY_STATE_ENABLED 0x1
54 53
55/* supported VIO voltages in milivolts */ 54/* supported VIO voltages in milivolts */
@@ -264,11 +263,12 @@ static struct tps_info tps65911_regs[] = {
264}; 263};
265 264
266struct tps65910_reg { 265struct tps65910_reg {
267 struct regulator_desc desc[TPS65910_NUM_REGULATOR]; 266 struct regulator_desc *desc;
268 struct tps65910 *mfd; 267 struct tps65910 *mfd;
269 struct regulator_dev *rdev[TPS65910_NUM_REGULATOR]; 268 struct regulator_dev **rdev;
270 struct tps_info *info[TPS65910_NUM_REGULATOR]; 269 struct tps_info **info;
271 struct mutex mutex; 270 struct mutex mutex;
271 int num_regulators;
272 int mode; 272 int mode;
273 int (*get_ctrl_reg)(int); 273 int (*get_ctrl_reg)(int);
274}; 274};
@@ -759,8 +759,13 @@ static int tps65910_list_voltage_dcdc(struct regulator_dev *dev,
759 mult = (selector / VDD1_2_NUM_VOLTS) + 1; 759 mult = (selector / VDD1_2_NUM_VOLTS) + 1;
760 volt = VDD1_2_MIN_VOLT + 760 volt = VDD1_2_MIN_VOLT +
761 (selector % VDD1_2_NUM_VOLTS) * VDD1_2_OFFSET; 761 (selector % VDD1_2_NUM_VOLTS) * VDD1_2_OFFSET;
762 break;
762 case TPS65911_REG_VDDCTRL: 763 case TPS65911_REG_VDDCTRL:
763 volt = VDDCTRL_MIN_VOLT + (selector * VDDCTRL_OFFSET); 764 volt = VDDCTRL_MIN_VOLT + (selector * VDDCTRL_OFFSET);
765 break;
766 default:
767 BUG();
768 return -EINVAL;
764 } 769 }
765 770
766 return volt * 100 * mult; 771 return volt * 100 * mult;
@@ -897,16 +902,42 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
897 switch(tps65910_chip_id(tps65910)) { 902 switch(tps65910_chip_id(tps65910)) {
898 case TPS65910: 903 case TPS65910:
899 pmic->get_ctrl_reg = &tps65910_get_ctrl_register; 904 pmic->get_ctrl_reg = &tps65910_get_ctrl_register;
905 pmic->num_regulators = ARRAY_SIZE(tps65910_regs);
900 info = tps65910_regs; 906 info = tps65910_regs;
907 break;
901 case TPS65911: 908 case TPS65911:
902 pmic->get_ctrl_reg = &tps65911_get_ctrl_register; 909 pmic->get_ctrl_reg = &tps65911_get_ctrl_register;
910 pmic->num_regulators = ARRAY_SIZE(tps65911_regs);
903 info = tps65911_regs; 911 info = tps65911_regs;
912 break;
904 default: 913 default:
905 pr_err("Invalid tps chip version\n"); 914 pr_err("Invalid tps chip version\n");
915 kfree(pmic);
906 return -ENODEV; 916 return -ENODEV;
907 } 917 }
908 918
909 for (i = 0; i < TPS65910_NUM_REGULATOR; i++, info++, reg_data++) { 919 pmic->desc = kcalloc(pmic->num_regulators,
920 sizeof(struct regulator_desc), GFP_KERNEL);
921 if (!pmic->desc) {
922 err = -ENOMEM;
923 goto err_free_pmic;
924 }
925
926 pmic->info = kcalloc(pmic->num_regulators,
927 sizeof(struct tps_info *), GFP_KERNEL);
928 if (!pmic->info) {
929 err = -ENOMEM;
930 goto err_free_desc;
931 }
932
933 pmic->rdev = kcalloc(pmic->num_regulators,
934 sizeof(struct regulator_dev *), GFP_KERNEL);
935 if (!pmic->rdev) {
936 err = -ENOMEM;
937 goto err_free_info;
938 }
939
940 for (i = 0; i < pmic->num_regulators; i++, info++, reg_data++) {
910 /* Register the regulators */ 941 /* Register the regulators */
911 pmic->info[i] = info; 942 pmic->info[i] = info;
912 943
@@ -938,7 +969,7 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
938 "failed to register %s regulator\n", 969 "failed to register %s regulator\n",
939 pdev->name); 970 pdev->name);
940 err = PTR_ERR(rdev); 971 err = PTR_ERR(rdev);
941 goto err; 972 goto err_unregister_regulator;
942 } 973 }
943 974
944 /* Save regulator for cleanup */ 975 /* Save regulator for cleanup */
@@ -946,23 +977,31 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
946 } 977 }
947 return 0; 978 return 0;
948 979
949err: 980err_unregister_regulator:
950 while (--i >= 0) 981 while (--i >= 0)
951 regulator_unregister(pmic->rdev[i]); 982 regulator_unregister(pmic->rdev[i]);
952 983 kfree(pmic->rdev);
984err_free_info:
985 kfree(pmic->info);
986err_free_desc:
987 kfree(pmic->desc);
988err_free_pmic:
953 kfree(pmic); 989 kfree(pmic);
954 return err; 990 return err;
955} 991}
956 992
957static int __devexit tps65910_remove(struct platform_device *pdev) 993static int __devexit tps65910_remove(struct platform_device *pdev)
958{ 994{
959 struct tps65910_reg *tps65910_reg = platform_get_drvdata(pdev); 995 struct tps65910_reg *pmic = platform_get_drvdata(pdev);
960 int i; 996 int i;
961 997
962 for (i = 0; i < TPS65910_NUM_REGULATOR; i++) 998 for (i = 0; i < pmic->num_regulators; i++)
963 regulator_unregister(tps65910_reg->rdev[i]); 999 regulator_unregister(pmic->rdev[i]);
964 1000
965 kfree(tps65910_reg); 1001 kfree(pmic->rdev);
1002 kfree(pmic->info);
1003 kfree(pmic->desc);
1004 kfree(pmic);
966 return 0; 1005 return 0;
967} 1006}
968 1007
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 87fe0f75a56e..ee8747f4fa08 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -835,8 +835,8 @@ static struct regulator_ops twlsmps_ops = {
835 remap_conf) \ 835 remap_conf) \
836 TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \ 836 TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
837 remap_conf, TWL4030, twl4030fixed_ops) 837 remap_conf, TWL4030, twl4030fixed_ops)
838#define TWL6030_FIXED_LDO(label, offset, mVolts, num, turnon_delay) \ 838#define TWL6030_FIXED_LDO(label, offset, mVolts, turnon_delay) \
839 TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \ 839 TWL_FIXED_LDO(label, offset, mVolts, 0x0, turnon_delay, \
840 0x0, TWL6030, twl6030fixed_ops) 840 0x0, TWL6030, twl6030fixed_ops)
841 841
842#define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) { \ 842#define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) { \
@@ -856,24 +856,22 @@ static struct regulator_ops twlsmps_ops = {
856 }, \ 856 }, \
857 } 857 }
858 858
859#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts, num) { \ 859#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) { \
860 .base = offset, \ 860 .base = offset, \
861 .id = num, \
862 .min_mV = min_mVolts, \ 861 .min_mV = min_mVolts, \
863 .max_mV = max_mVolts, \ 862 .max_mV = max_mVolts, \
864 .desc = { \ 863 .desc = { \
865 .name = #label, \ 864 .name = #label, \
866 .id = TWL6030_REG_##label, \ 865 .id = TWL6030_REG_##label, \
867 .n_voltages = (max_mVolts - min_mVolts)/100, \ 866 .n_voltages = (max_mVolts - min_mVolts)/100 + 1, \
868 .ops = &twl6030ldo_ops, \ 867 .ops = &twl6030ldo_ops, \
869 .type = REGULATOR_VOLTAGE, \ 868 .type = REGULATOR_VOLTAGE, \
870 .owner = THIS_MODULE, \ 869 .owner = THIS_MODULE, \
871 }, \ 870 }, \
872 } 871 }
873 872
874#define TWL6025_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts, num) { \ 873#define TWL6025_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) { \
875 .base = offset, \ 874 .base = offset, \
876 .id = num, \
877 .min_mV = min_mVolts, \ 875 .min_mV = min_mVolts, \
878 .max_mV = max_mVolts, \ 876 .max_mV = max_mVolts, \
879 .desc = { \ 877 .desc = { \
@@ -903,9 +901,8 @@ static struct regulator_ops twlsmps_ops = {
903 }, \ 901 }, \
904 } 902 }
905 903
906#define TWL6030_FIXED_RESOURCE(label, offset, num, turnon_delay) { \ 904#define TWL6030_FIXED_RESOURCE(label, offset, turnon_delay) { \
907 .base = offset, \ 905 .base = offset, \
908 .id = num, \
909 .delay = turnon_delay, \ 906 .delay = turnon_delay, \
910 .desc = { \ 907 .desc = { \
911 .name = #label, \ 908 .name = #label, \
@@ -916,9 +913,8 @@ static struct regulator_ops twlsmps_ops = {
916 }, \ 913 }, \
917 } 914 }
918 915
919#define TWL6025_ADJUSTABLE_SMPS(label, offset, num) { \ 916#define TWL6025_ADJUSTABLE_SMPS(label, offset) { \
920 .base = offset, \ 917 .base = offset, \
921 .id = num, \
922 .min_mV = 600, \ 918 .min_mV = 600, \
923 .max_mV = 2100, \ 919 .max_mV = 2100, \
924 .desc = { \ 920 .desc = { \
@@ -961,32 +957,32 @@ static struct twlreg_info twl_regs[] = {
961 /* 6030 REG with base as PMC Slave Misc : 0x0030 */ 957 /* 6030 REG with base as PMC Slave Misc : 0x0030 */
962 /* Turnon-delay and remap configuration values for 6030 are not 958 /* Turnon-delay and remap configuration values for 6030 are not
963 verified since the specification is not public */ 959 verified since the specification is not public */
964 TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000, 3300, 1), 960 TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000, 3300),
965 TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000, 3300, 2), 961 TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000, 3300),
966 TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000, 3300, 3), 962 TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000, 3300),
967 TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000, 3300, 4), 963 TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000, 3300),
968 TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000, 3300, 5), 964 TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000, 3300),
969 TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000, 3300, 7), 965 TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000, 3300),
970 TWL6030_FIXED_LDO(VANA, 0x50, 2100, 15, 0), 966 TWL6030_FIXED_LDO(VANA, 0x50, 2100, 0),
971 TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 16, 0), 967 TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 0),
972 TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 17, 0), 968 TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0),
973 TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 18, 0), 969 TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0),
974 TWL6030_FIXED_RESOURCE(CLK32KG, 0x8C, 48, 0), 970 TWL6030_FIXED_RESOURCE(CLK32KG, 0x8C, 0),
975 971
976 /* 6025 are renamed compared to 6030 versions */ 972 /* 6025 are renamed compared to 6030 versions */
977 TWL6025_ADJUSTABLE_LDO(LDO2, 0x54, 1000, 3300, 1), 973 TWL6025_ADJUSTABLE_LDO(LDO2, 0x54, 1000, 3300),
978 TWL6025_ADJUSTABLE_LDO(LDO4, 0x58, 1000, 3300, 2), 974 TWL6025_ADJUSTABLE_LDO(LDO4, 0x58, 1000, 3300),
979 TWL6025_ADJUSTABLE_LDO(LDO3, 0x5c, 1000, 3300, 3), 975 TWL6025_ADJUSTABLE_LDO(LDO3, 0x5c, 1000, 3300),
980 TWL6025_ADJUSTABLE_LDO(LDO5, 0x68, 1000, 3300, 4), 976 TWL6025_ADJUSTABLE_LDO(LDO5, 0x68, 1000, 3300),
981 TWL6025_ADJUSTABLE_LDO(LDO1, 0x6c, 1000, 3300, 5), 977 TWL6025_ADJUSTABLE_LDO(LDO1, 0x6c, 1000, 3300),
982 TWL6025_ADJUSTABLE_LDO(LDO7, 0x74, 1000, 3300, 7), 978 TWL6025_ADJUSTABLE_LDO(LDO7, 0x74, 1000, 3300),
983 TWL6025_ADJUSTABLE_LDO(LDO6, 0x60, 1000, 3300, 16), 979 TWL6025_ADJUSTABLE_LDO(LDO6, 0x60, 1000, 3300),
984 TWL6025_ADJUSTABLE_LDO(LDOLN, 0x64, 1000, 3300, 17), 980 TWL6025_ADJUSTABLE_LDO(LDOLN, 0x64, 1000, 3300),
985 TWL6025_ADJUSTABLE_LDO(LDOUSB, 0x70, 1000, 3300, 18), 981 TWL6025_ADJUSTABLE_LDO(LDOUSB, 0x70, 1000, 3300),
986 982
987 TWL6025_ADJUSTABLE_SMPS(SMPS3, 0x34, 1), 983 TWL6025_ADJUSTABLE_SMPS(SMPS3, 0x34),
988 TWL6025_ADJUSTABLE_SMPS(SMPS4, 0x10, 2), 984 TWL6025_ADJUSTABLE_SMPS(SMPS4, 0x10),
989 TWL6025_ADJUSTABLE_SMPS(VIO, 0x16, 3), 985 TWL6025_ADJUSTABLE_SMPS(VIO, 0x16),
990}; 986};
991 987
992static u8 twl_get_smps_offset(void) 988static u8 twl_get_smps_offset(void)
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index a0982e809851..bd3531d8b2ac 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -267,23 +267,6 @@ static int wm831x_buckv_select_min_voltage(struct regulator_dev *rdev,
267 return vsel; 267 return vsel;
268} 268}
269 269
270static int wm831x_buckv_select_max_voltage(struct regulator_dev *rdev,
271 int min_uV, int max_uV)
272{
273 u16 vsel;
274
275 if (max_uV < 600000 || max_uV > 1800000)
276 return -EINVAL;
277
278 vsel = ((max_uV - 600000) / 12500) + 8;
279
280 if (wm831x_buckv_list_voltage(rdev, vsel) < min_uV ||
281 wm831x_buckv_list_voltage(rdev, vsel) < max_uV)
282 return -EINVAL;
283
284 return vsel;
285}
286
287static int wm831x_buckv_set_dvs(struct regulator_dev *rdev, int state) 270static int wm831x_buckv_set_dvs(struct regulator_dev *rdev, int state)
288{ 271{
289 struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev); 272 struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
@@ -338,28 +321,23 @@ static int wm831x_buckv_set_voltage(struct regulator_dev *rdev,
338 if (ret < 0) 321 if (ret < 0)
339 return ret; 322 return ret;
340 323
341 /* Set the high voltage as the DVS voltage. This is optimised 324 /*
342 * for CPUfreq usage, most processors will keep the maximum 325 * If this VSEL is higher than the last one we've seen then
343 * voltage constant and lower the minimum with the frequency. */ 326 * remember it as the DVS VSEL. This is optimised for CPUfreq
344 vsel = wm831x_buckv_select_max_voltage(rdev, min_uV, max_uV); 327 * usage where we want to get to the highest voltage very
345 if (vsel < 0) { 328 * quickly.
346 /* This should never happen - at worst the same vsel 329 */
347 * should be chosen */ 330 if (vsel > dcdc->dvs_vsel) {
348 WARN_ON(vsel < 0); 331 ret = wm831x_set_bits(wm831x, dvs_reg,
349 return 0; 332 WM831X_DC1_DVS_VSEL_MASK,
333 dcdc->dvs_vsel);
334 if (ret == 0)
335 dcdc->dvs_vsel = vsel;
336 else
337 dev_warn(wm831x->dev,
338 "Failed to set DCDC DVS VSEL: %d\n", ret);
350 } 339 }
351 340
352 /* Don't bother if it's the same VSEL we're already using */
353 if (vsel == dcdc->on_vsel)
354 return 0;
355
356 ret = wm831x_set_bits(wm831x, dvs_reg, WM831X_DC1_DVS_VSEL_MASK, vsel);
357 if (ret == 0)
358 dcdc->dvs_vsel = vsel;
359 else
360 dev_warn(wm831x->dev, "Failed to set DCDC DVS VSEL: %d\n",
361 ret);
362
363 return 0; 341 return 0;
364} 342}
365 343
@@ -456,27 +434,6 @@ static __devinit void wm831x_buckv_dvs_init(struct wm831x_dcdc *dcdc,
456 if (!pdata || !pdata->dvs_gpio) 434 if (!pdata || !pdata->dvs_gpio)
457 return; 435 return;
458 436
459 switch (pdata->dvs_control_src) {
460 case 1:
461 ctrl = 2 << WM831X_DC1_DVS_SRC_SHIFT;
462 break;
463 case 2:
464 ctrl = 3 << WM831X_DC1_DVS_SRC_SHIFT;
465 break;
466 default:
467 dev_err(wm831x->dev, "Invalid DVS control source %d for %s\n",
468 pdata->dvs_control_src, dcdc->name);
469 return;
470 }
471
472 ret = wm831x_set_bits(wm831x, dcdc->base + WM831X_DCDC_DVS_CONTROL,
473 WM831X_DC1_DVS_SRC_MASK, ctrl);
474 if (ret < 0) {
475 dev_err(wm831x->dev, "Failed to set %s DVS source: %d\n",
476 dcdc->name, ret);
477 return;
478 }
479
480 ret = gpio_request(pdata->dvs_gpio, "DCDC DVS"); 437 ret = gpio_request(pdata->dvs_gpio, "DCDC DVS");
481 if (ret < 0) { 438 if (ret < 0) {
482 dev_err(wm831x->dev, "Failed to get %s DVS GPIO: %d\n", 439 dev_err(wm831x->dev, "Failed to get %s DVS GPIO: %d\n",
@@ -498,17 +455,57 @@ static __devinit void wm831x_buckv_dvs_init(struct wm831x_dcdc *dcdc,
498 } 455 }
499 456
500 dcdc->dvs_gpio = pdata->dvs_gpio; 457 dcdc->dvs_gpio = pdata->dvs_gpio;
458
459 switch (pdata->dvs_control_src) {
460 case 1:
461 ctrl = 2 << WM831X_DC1_DVS_SRC_SHIFT;
462 break;
463 case 2:
464 ctrl = 3 << WM831X_DC1_DVS_SRC_SHIFT;
465 break;
466 default:
467 dev_err(wm831x->dev, "Invalid DVS control source %d for %s\n",
468 pdata->dvs_control_src, dcdc->name);
469 return;
470 }
471
472 /* If DVS_VSEL is set to the minimum value then raise it to ON_VSEL
473 * to make bootstrapping a bit smoother.
474 */
475 if (!dcdc->dvs_vsel) {
476 ret = wm831x_set_bits(wm831x,
477 dcdc->base + WM831X_DCDC_DVS_CONTROL,
478 WM831X_DC1_DVS_VSEL_MASK, dcdc->on_vsel);
479 if (ret == 0)
480 dcdc->dvs_vsel = dcdc->on_vsel;
481 else
482 dev_warn(wm831x->dev, "Failed to set DVS_VSEL: %d\n",
483 ret);
484 }
485
486 ret = wm831x_set_bits(wm831x, dcdc->base + WM831X_DCDC_DVS_CONTROL,
487 WM831X_DC1_DVS_SRC_MASK, ctrl);
488 if (ret < 0) {
489 dev_err(wm831x->dev, "Failed to set %s DVS source: %d\n",
490 dcdc->name, ret);
491 }
501} 492}
502 493
503static __devinit int wm831x_buckv_probe(struct platform_device *pdev) 494static __devinit int wm831x_buckv_probe(struct platform_device *pdev)
504{ 495{
505 struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); 496 struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
506 struct wm831x_pdata *pdata = wm831x->dev->platform_data; 497 struct wm831x_pdata *pdata = wm831x->dev->platform_data;
507 int id = pdev->id % ARRAY_SIZE(pdata->dcdc); 498 int id;
508 struct wm831x_dcdc *dcdc; 499 struct wm831x_dcdc *dcdc;
509 struct resource *res; 500 struct resource *res;
510 int ret, irq; 501 int ret, irq;
511 502
503 if (pdata && pdata->wm831x_num)
504 id = (pdata->wm831x_num * 10) + 1;
505 else
506 id = 0;
507 id = pdev->id - id;
508
512 dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1); 509 dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1);
513 510
514 if (pdata == NULL || pdata->dcdc[id] == NULL) 511 if (pdata == NULL || pdata->dcdc[id] == NULL)
@@ -545,7 +542,7 @@ static __devinit int wm831x_buckv_probe(struct platform_device *pdev)
545 } 542 }
546 dcdc->on_vsel = ret & WM831X_DC1_ON_VSEL_MASK; 543 dcdc->on_vsel = ret & WM831X_DC1_ON_VSEL_MASK;
547 544
548 ret = wm831x_reg_read(wm831x, dcdc->base + WM831X_DCDC_ON_CONFIG); 545 ret = wm831x_reg_read(wm831x, dcdc->base + WM831X_DCDC_DVS_CONTROL);
549 if (ret < 0) { 546 if (ret < 0) {
550 dev_err(wm831x->dev, "Failed to read DVS VSEL: %d\n", ret); 547 dev_err(wm831x->dev, "Failed to read DVS VSEL: %d\n", ret);
551 goto err; 548 goto err;
@@ -709,11 +706,17 @@ static __devinit int wm831x_buckp_probe(struct platform_device *pdev)
709{ 706{
710 struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); 707 struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
711 struct wm831x_pdata *pdata = wm831x->dev->platform_data; 708 struct wm831x_pdata *pdata = wm831x->dev->platform_data;
712 int id = pdev->id % ARRAY_SIZE(pdata->dcdc); 709 int id;
713 struct wm831x_dcdc *dcdc; 710 struct wm831x_dcdc *dcdc;
714 struct resource *res; 711 struct resource *res;
715 int ret, irq; 712 int ret, irq;
716 713
714 if (pdata && pdata->wm831x_num)
715 id = (pdata->wm831x_num * 10) + 1;
716 else
717 id = 0;
718 id = pdev->id - id;
719
717 dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1); 720 dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1);
718 721
719 if (pdata == NULL || pdata->dcdc[id] == NULL) 722 if (pdata == NULL || pdata->dcdc[id] == NULL)
@@ -1046,3 +1049,4 @@ MODULE_DESCRIPTION("WM831x DC-DC convertor driver");
1046MODULE_LICENSE("GPL"); 1049MODULE_LICENSE("GPL");
1047MODULE_ALIAS("platform:wm831x-buckv"); 1050MODULE_ALIAS("platform:wm831x-buckv");
1048MODULE_ALIAS("platform:wm831x-buckp"); 1051MODULE_ALIAS("platform:wm831x-buckp");
1052MODULE_ALIAS("platform:wm831x-epe");
diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
index 2220cf8defb1..6709710a059e 100644
--- a/drivers/regulator/wm831x-ldo.c
+++ b/drivers/regulator/wm831x-ldo.c
@@ -310,11 +310,17 @@ static __devinit int wm831x_gp_ldo_probe(struct platform_device *pdev)
310{ 310{
311 struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); 311 struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
312 struct wm831x_pdata *pdata = wm831x->dev->platform_data; 312 struct wm831x_pdata *pdata = wm831x->dev->platform_data;
313 int id = pdev->id % ARRAY_SIZE(pdata->ldo); 313 int id;
314 struct wm831x_ldo *ldo; 314 struct wm831x_ldo *ldo;
315 struct resource *res; 315 struct resource *res;
316 int ret, irq; 316 int ret, irq;
317 317
318 if (pdata && pdata->wm831x_num)
319 id = (pdata->wm831x_num * 10) + 1;
320 else
321 id = 0;
322 id = pdev->id - id;
323
318 dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1); 324 dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
319 325
320 if (pdata == NULL || pdata->ldo[id] == NULL) 326 if (pdata == NULL || pdata->ldo[id] == NULL)
@@ -574,11 +580,17 @@ static __devinit int wm831x_aldo_probe(struct platform_device *pdev)
574{ 580{
575 struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); 581 struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
576 struct wm831x_pdata *pdata = wm831x->dev->platform_data; 582 struct wm831x_pdata *pdata = wm831x->dev->platform_data;
577 int id = pdev->id % ARRAY_SIZE(pdata->ldo); 583 int id;
578 struct wm831x_ldo *ldo; 584 struct wm831x_ldo *ldo;
579 struct resource *res; 585 struct resource *res;
580 int ret, irq; 586 int ret, irq;
581 587
588 if (pdata && pdata->wm831x_num)
589 id = (pdata->wm831x_num * 10) + 1;
590 else
591 id = 0;
592 id = pdev->id - id;
593
582 dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1); 594 dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
583 595
584 if (pdata == NULL || pdata->ldo[id] == NULL) 596 if (pdata == NULL || pdata->ldo[id] == NULL)
@@ -764,11 +776,18 @@ static __devinit int wm831x_alive_ldo_probe(struct platform_device *pdev)
764{ 776{
765 struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); 777 struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
766 struct wm831x_pdata *pdata = wm831x->dev->platform_data; 778 struct wm831x_pdata *pdata = wm831x->dev->platform_data;
767 int id = pdev->id % ARRAY_SIZE(pdata->ldo); 779 int id;
768 struct wm831x_ldo *ldo; 780 struct wm831x_ldo *ldo;
769 struct resource *res; 781 struct resource *res;
770 int ret; 782 int ret;
771 783
784 if (pdata && pdata->wm831x_num)
785 id = (pdata->wm831x_num * 10) + 1;
786 else
787 id = 0;
788 id = pdev->id - id;
789
790
772 dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1); 791 dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
773 792
774 if (pdata == NULL || pdata->ldo[id] == NULL) 793 if (pdata == NULL || pdata->ldo[id] == NULL)
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
index 35b2958d5106..1a6a690f24db 100644
--- a/drivers/regulator/wm8994-regulator.c
+++ b/drivers/regulator/wm8994-regulator.c
@@ -43,7 +43,7 @@ static int wm8994_ldo_enable(struct regulator_dev *rdev)
43 if (!ldo->enable) 43 if (!ldo->enable)
44 return 0; 44 return 0;
45 45
46 gpio_set_value(ldo->enable, 1); 46 gpio_set_value_cansleep(ldo->enable, 1);
47 ldo->is_enabled = true; 47 ldo->is_enabled = true;
48 48
49 return 0; 49 return 0;
@@ -57,7 +57,7 @@ static int wm8994_ldo_disable(struct regulator_dev *rdev)
57 if (!ldo->enable) 57 if (!ldo->enable)
58 return -EINVAL; 58 return -EINVAL;
59 59
60 gpio_set_value(ldo->enable, 0); 60 gpio_set_value_cansleep(ldo->enable, 0);
61 ldo->is_enabled = false; 61 ldo->is_enabled = false;
62 62
63 return 0; 63 return 0;
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index 9e87c1cb7270..26f6ea4444e3 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -122,6 +122,9 @@ struct regulator;
122struct regulator_bulk_data { 122struct regulator_bulk_data {
123 const char *supply; 123 const char *supply;
124 struct regulator *consumer; 124 struct regulator *consumer;
125
126 /* Internal use */
127 int ret;
125}; 128};
126 129
127#if defined(CONFIG_REGULATOR) 130#if defined(CONFIG_REGULATOR)
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 6c433b89c80d..1a80bc77517d 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -188,18 +188,16 @@ struct regulator_dev {
188 188
189 /* lists we belong to */ 189 /* lists we belong to */
190 struct list_head list; /* list of all regulators */ 190 struct list_head list; /* list of all regulators */
191 struct list_head slist; /* list of supplied regulators */
192 191
193 /* lists we own */ 192 /* lists we own */
194 struct list_head consumer_list; /* consumers we supply */ 193 struct list_head consumer_list; /* consumers we supply */
195 struct list_head supply_list; /* regulators we supply */
196 194
197 struct blocking_notifier_head notifier; 195 struct blocking_notifier_head notifier;
198 struct mutex mutex; /* consumer lock */ 196 struct mutex mutex; /* consumer lock */
199 struct module *owner; 197 struct module *owner;
200 struct device dev; 198 struct device dev;
201 struct regulation_constraints *constraints; 199 struct regulation_constraints *constraints;
202 struct regulator_dev *supply; /* for tree */ 200 struct regulator *supply; /* for tree */
203 201
204 void *reg_data; /* regulator_dev data */ 202 void *reg_data; /* regulator_dev data */
205 203
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 789453d44ec5..0963c4c7a83f 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -226,11 +226,13 @@ static const char *aic3x_adc_hpf[] =
226#define RDAC_ENUM 1 226#define RDAC_ENUM 1
227#define LHPCOM_ENUM 2 227#define LHPCOM_ENUM 2
228#define RHPCOM_ENUM 3 228#define RHPCOM_ENUM 3
229#define LINE1L_ENUM 4 229#define LINE1L_2_L_ENUM 4
230#define LINE1R_ENUM 5 230#define LINE1L_2_R_ENUM 5
231#define LINE2L_ENUM 6 231#define LINE1R_2_L_ENUM 6
232#define LINE2R_ENUM 7 232#define LINE1R_2_R_ENUM 7
233#define ADC_HPF_ENUM 8 233#define LINE2L_ENUM 8
234#define LINE2R_ENUM 9
235#define ADC_HPF_ENUM 10
234 236
235static const struct soc_enum aic3x_enum[] = { 237static const struct soc_enum aic3x_enum[] = {
236 SOC_ENUM_SINGLE(DAC_LINE_MUX, 6, 3, aic3x_left_dac_mux), 238 SOC_ENUM_SINGLE(DAC_LINE_MUX, 6, 3, aic3x_left_dac_mux),
@@ -238,6 +240,8 @@ static const struct soc_enum aic3x_enum[] = {
238 SOC_ENUM_SINGLE(HPLCOM_CFG, 4, 3, aic3x_left_hpcom_mux), 240 SOC_ENUM_SINGLE(HPLCOM_CFG, 4, 3, aic3x_left_hpcom_mux),
239 SOC_ENUM_SINGLE(HPRCOM_CFG, 3, 5, aic3x_right_hpcom_mux), 241 SOC_ENUM_SINGLE(HPRCOM_CFG, 3, 5, aic3x_right_hpcom_mux),
240 SOC_ENUM_SINGLE(LINE1L_2_LADC_CTRL, 7, 2, aic3x_linein_mode_mux), 242 SOC_ENUM_SINGLE(LINE1L_2_LADC_CTRL, 7, 2, aic3x_linein_mode_mux),
243 SOC_ENUM_SINGLE(LINE1L_2_RADC_CTRL, 7, 2, aic3x_linein_mode_mux),
244 SOC_ENUM_SINGLE(LINE1R_2_LADC_CTRL, 7, 2, aic3x_linein_mode_mux),
241 SOC_ENUM_SINGLE(LINE1R_2_RADC_CTRL, 7, 2, aic3x_linein_mode_mux), 245 SOC_ENUM_SINGLE(LINE1R_2_RADC_CTRL, 7, 2, aic3x_linein_mode_mux),
242 SOC_ENUM_SINGLE(LINE2L_2_LADC_CTRL, 7, 2, aic3x_linein_mode_mux), 246 SOC_ENUM_SINGLE(LINE2L_2_LADC_CTRL, 7, 2, aic3x_linein_mode_mux),
243 SOC_ENUM_SINGLE(LINE2R_2_RADC_CTRL, 7, 2, aic3x_linein_mode_mux), 247 SOC_ENUM_SINGLE(LINE2R_2_RADC_CTRL, 7, 2, aic3x_linein_mode_mux),
@@ -490,12 +494,16 @@ static const struct snd_kcontrol_new aic3x_right_pga_mixer_controls[] = {
490}; 494};
491 495
492/* Left Line1 Mux */ 496/* Left Line1 Mux */
493static const struct snd_kcontrol_new aic3x_left_line1_mux_controls = 497static const struct snd_kcontrol_new aic3x_left_line1l_mux_controls =
494SOC_DAPM_ENUM("Route", aic3x_enum[LINE1L_ENUM]); 498SOC_DAPM_ENUM("Route", aic3x_enum[LINE1L_2_L_ENUM]);
499static const struct snd_kcontrol_new aic3x_right_line1l_mux_controls =
500SOC_DAPM_ENUM("Route", aic3x_enum[LINE1L_2_R_ENUM]);
495 501
496/* Right Line1 Mux */ 502/* Right Line1 Mux */
497static const struct snd_kcontrol_new aic3x_right_line1_mux_controls = 503static const struct snd_kcontrol_new aic3x_right_line1r_mux_controls =
498SOC_DAPM_ENUM("Route", aic3x_enum[LINE1R_ENUM]); 504SOC_DAPM_ENUM("Route", aic3x_enum[LINE1R_2_R_ENUM]);
505static const struct snd_kcontrol_new aic3x_left_line1r_mux_controls =
506SOC_DAPM_ENUM("Route", aic3x_enum[LINE1R_2_L_ENUM]);
499 507
500/* Left Line2 Mux */ 508/* Left Line2 Mux */
501static const struct snd_kcontrol_new aic3x_left_line2_mux_controls = 509static const struct snd_kcontrol_new aic3x_left_line2_mux_controls =
@@ -535,9 +543,9 @@ static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = {
535 &aic3x_left_pga_mixer_controls[0], 543 &aic3x_left_pga_mixer_controls[0],
536 ARRAY_SIZE(aic3x_left_pga_mixer_controls)), 544 ARRAY_SIZE(aic3x_left_pga_mixer_controls)),
537 SND_SOC_DAPM_MUX("Left Line1L Mux", SND_SOC_NOPM, 0, 0, 545 SND_SOC_DAPM_MUX("Left Line1L Mux", SND_SOC_NOPM, 0, 0,
538 &aic3x_left_line1_mux_controls), 546 &aic3x_left_line1l_mux_controls),
539 SND_SOC_DAPM_MUX("Left Line1R Mux", SND_SOC_NOPM, 0, 0, 547 SND_SOC_DAPM_MUX("Left Line1R Mux", SND_SOC_NOPM, 0, 0,
540 &aic3x_left_line1_mux_controls), 548 &aic3x_left_line1r_mux_controls),
541 SND_SOC_DAPM_MUX("Left Line2L Mux", SND_SOC_NOPM, 0, 0, 549 SND_SOC_DAPM_MUX("Left Line2L Mux", SND_SOC_NOPM, 0, 0,
542 &aic3x_left_line2_mux_controls), 550 &aic3x_left_line2_mux_controls),
543 551
@@ -548,9 +556,9 @@ static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = {
548 &aic3x_right_pga_mixer_controls[0], 556 &aic3x_right_pga_mixer_controls[0],
549 ARRAY_SIZE(aic3x_right_pga_mixer_controls)), 557 ARRAY_SIZE(aic3x_right_pga_mixer_controls)),
550 SND_SOC_DAPM_MUX("Right Line1L Mux", SND_SOC_NOPM, 0, 0, 558 SND_SOC_DAPM_MUX("Right Line1L Mux", SND_SOC_NOPM, 0, 0,
551 &aic3x_right_line1_mux_controls), 559 &aic3x_right_line1l_mux_controls),
552 SND_SOC_DAPM_MUX("Right Line1R Mux", SND_SOC_NOPM, 0, 0, 560 SND_SOC_DAPM_MUX("Right Line1R Mux", SND_SOC_NOPM, 0, 0,
553 &aic3x_right_line1_mux_controls), 561 &aic3x_right_line1r_mux_controls),
554 SND_SOC_DAPM_MUX("Right Line2R Mux", SND_SOC_NOPM, 0, 0, 562 SND_SOC_DAPM_MUX("Right Line2R Mux", SND_SOC_NOPM, 0, 0,
555 &aic3x_right_line2_mux_controls), 563 &aic3x_right_line2_mux_controls),
556 564