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authorJean Delvare <khali@linux-fr.org>2010-08-14 15:08:59 -0400
committerJean Delvare <khali@linux-fr.org>2010-08-14 15:08:59 -0400
commit008e5f3350e0a474baff3ed3eb4f79653a6b6745 (patch)
treeb2a2b27fd68b6071bbe3f2560df477d39d2ddb24 /drivers/hwmon/pc87427.c
parent9d32df192d2e4db4d59f26a3ea73601bd1a733e5 (diff)
hwmon: (pc87427) Add temperature monitoring support
Add support for the 6 temperature monitoring channels of the PC87427. Note that the sensors resolution can vary, and I couldn't find a way to figure it out, so we might have to compensate in user-space. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Diffstat (limited to 'drivers/hwmon/pc87427.c')
-rw-r--r--drivers/hwmon/pc87427.c368
1 files changed, 364 insertions, 4 deletions
diff --git a/drivers/hwmon/pc87427.c b/drivers/hwmon/pc87427.c
index 129a33ce3fe4..189dad428ac2 100644
--- a/drivers/hwmon/pc87427.c
+++ b/drivers/hwmon/pc87427.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * pc87427.c - hardware monitoring driver for the 2 * pc87427.c - hardware monitoring driver for the
3 * National Semiconductor PC87427 Super-I/O chip 3 * National Semiconductor PC87427 Super-I/O chip
4 * Copyright (C) 2006, 2008 Jean Delvare <khali@linux-fr.org> 4 * Copyright (C) 2006, 2008, 2010 Jean Delvare <khali@linux-fr.org>
5 * 5 *
6 * This program is free software; you can redistribute it and/or modify 6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as 7 * it under the terms of the GNU General Public License version 2 as
@@ -15,10 +15,11 @@
15 * Supports the following chips: 15 * Supports the following chips:
16 * 16 *
17 * Chip #vin #fan #pwm #temp devid 17 * Chip #vin #fan #pwm #temp devid
18 * PC87427 - 8 4 - 0xF2 18 * PC87427 - 8 4 6 0xF2
19 * 19 *
20 * This driver assumes that no more than one chip is present. 20 * This driver assumes that no more than one chip is present.
21 * Only fans are supported so far, although the chip can do much more. 21 * Only fans are fully supported so far. Temperatures are in read-only
22 * mode, and voltages aren't supported at all.
22 */ 23 */
23 24
24#include <linux/module.h> 25#include <linux/module.h>
@@ -62,6 +63,14 @@ struct pc87427_data {
62 u8 pwm_auto_ok; /* bit vector */ 63 u8 pwm_auto_ok; /* bit vector */
63 u8 pwm_enable[4]; /* register values */ 64 u8 pwm_enable[4]; /* register values */
64 u8 pwm[4]; /* register values */ 65 u8 pwm[4]; /* register values */
66
67 u8 temp_enabled; /* bit vector */
68 s16 temp[6]; /* register values */
69 s8 temp_min[6]; /* register values */
70 s8 temp_max[6]; /* register values */
71 s8 temp_crit[6]; /* register values */
72 u8 temp_status[6]; /* register values */
73 u8 temp_type[6]; /* register values */
65}; 74};
66 75
67struct pc87427_sio_data { 76struct pc87427_sio_data {
@@ -120,6 +129,8 @@ static inline void superio_exit(int sioaddr)
120#define BANK_FM(nr) (nr) 129#define BANK_FM(nr) (nr)
121#define BANK_FT(nr) (0x08 + (nr)) 130#define BANK_FT(nr) (0x08 + (nr))
122#define BANK_FC(nr) (0x10 + (nr) * 2) 131#define BANK_FC(nr) (0x10 + (nr) * 2)
132#define BANK_TM(nr) (nr)
133#define BANK_VM(nr) (0x08 + (nr))
123 134
124/* 135/*
125 * I/O access functions 136 * I/O access functions
@@ -252,6 +263,72 @@ static inline u8 pwm_enable_to_reg(unsigned long val, u8 pwmval)
252} 263}
253 264
254/* 265/*
266 * Temperature registers and conversions
267 */
268
269#define PC87427_REG_TEMP_STATUS 0x10
270#define PC87427_REG_TEMP 0x14
271#define PC87427_REG_TEMP_MAX 0x18
272#define PC87427_REG_TEMP_MIN 0x19
273#define PC87427_REG_TEMP_CRIT 0x1a
274#define PC87427_REG_TEMP_TYPE 0x1d
275
276#define TEMP_STATUS_CHANEN (1 << 0)
277#define TEMP_STATUS_LOWFLG (1 << 1)
278#define TEMP_STATUS_HIGHFLG (1 << 2)
279#define TEMP_STATUS_CRITFLG (1 << 3)
280#define TEMP_STATUS_SENSERR (1 << 5)
281#define TEMP_TYPE_MASK (3 << 5)
282
283#define TEMP_TYPE_THERMISTOR (1 << 5)
284#define TEMP_TYPE_REMOTE_DIODE (2 << 5)
285#define TEMP_TYPE_LOCAL_DIODE (3 << 5)
286
287/* Dedicated function to read all registers related to a given temperature
288 input. This saves us quite a few locks and bank selections.
289 Must be called with data->lock held.
290 nr is from 0 to 5 */
291static void pc87427_readall_temp(struct pc87427_data *data, u8 nr)
292{
293 int iobase = data->address[LD_TEMP];
294
295 outb(BANK_TM(nr), iobase + PC87427_REG_BANK);
296 data->temp[nr] = le16_to_cpu(inw(iobase + PC87427_REG_TEMP));
297 data->temp_max[nr] = inb(iobase + PC87427_REG_TEMP_MAX);
298 data->temp_min[nr] = inb(iobase + PC87427_REG_TEMP_MIN);
299 data->temp_crit[nr] = inb(iobase + PC87427_REG_TEMP_CRIT);
300 data->temp_type[nr] = inb(iobase + PC87427_REG_TEMP_TYPE);
301 data->temp_status[nr] = inb(iobase + PC87427_REG_TEMP_STATUS);
302 /* Clear fan alarm bits */
303 outb(data->temp_status[nr], iobase + PC87427_REG_TEMP_STATUS);
304}
305
306static inline unsigned int temp_type_from_reg(u8 reg)
307{
308 switch (reg & TEMP_TYPE_MASK) {
309 case TEMP_TYPE_THERMISTOR:
310 return 4;
311 case TEMP_TYPE_REMOTE_DIODE:
312 case TEMP_TYPE_LOCAL_DIODE:
313 return 3;
314 default:
315 return 0;
316 }
317}
318
319/* We assume 8-bit thermal sensors; 9-bit thermal sensors are possible
320 too, but I have no idea how to figure out when they are used. */
321static inline long temp_from_reg(s16 reg)
322{
323 return reg * 1000 / 256;
324}
325
326static inline long temp_from_reg8(s8 reg)
327{
328 return reg * 1000;
329}
330
331/*
255 * Data interface 332 * Data interface
256 */ 333 */
257 334
@@ -279,6 +356,13 @@ static struct pc87427_data *pc87427_update_device(struct device *dev)
279 pc87427_readall_pwm(data, i); 356 pc87427_readall_pwm(data, i);
280 } 357 }
281 358
359 /* Temperature channels */
360 for (i = 0; i < 6; i++) {
361 if (!(data->temp_enabled & (1 << i)))
362 continue;
363 pc87427_readall_temp(data, i);
364 }
365
282 data->last_updated = jiffies; 366 data->last_updated = jiffies;
283 367
284done: 368done:
@@ -595,6 +679,251 @@ static const struct attribute_group pc87427_group_pwm[4] = {
595 { .attrs = pc87427_attributes_pwm[3] }, 679 { .attrs = pc87427_attributes_pwm[3] },
596}; 680};
597 681
682static ssize_t show_temp_input(struct device *dev, struct device_attribute
683 *devattr, char *buf)
684{
685 struct pc87427_data *data = pc87427_update_device(dev);
686 int nr = to_sensor_dev_attr(devattr)->index;
687
688 return sprintf(buf, "%ld\n", temp_from_reg(data->temp[nr]));
689}
690
691static ssize_t show_temp_min(struct device *dev, struct device_attribute
692 *devattr, char *buf)
693{
694 struct pc87427_data *data = pc87427_update_device(dev);
695 int nr = to_sensor_dev_attr(devattr)->index;
696
697 return sprintf(buf, "%ld\n", temp_from_reg8(data->temp_min[nr]));
698}
699
700static ssize_t show_temp_max(struct device *dev, struct device_attribute
701 *devattr, char *buf)
702{
703 struct pc87427_data *data = pc87427_update_device(dev);
704 int nr = to_sensor_dev_attr(devattr)->index;
705
706 return sprintf(buf, "%ld\n", temp_from_reg8(data->temp_max[nr]));
707}
708
709static ssize_t show_temp_crit(struct device *dev, struct device_attribute
710 *devattr, char *buf)
711{
712 struct pc87427_data *data = pc87427_update_device(dev);
713 int nr = to_sensor_dev_attr(devattr)->index;
714
715 return sprintf(buf, "%ld\n", temp_from_reg8(data->temp_crit[nr]));
716}
717
718static ssize_t show_temp_type(struct device *dev, struct device_attribute
719 *devattr, char *buf)
720{
721 struct pc87427_data *data = pc87427_update_device(dev);
722 int nr = to_sensor_dev_attr(devattr)->index;
723
724 return sprintf(buf, "%u\n", temp_type_from_reg(data->temp_type[nr]));
725}
726
727static ssize_t show_temp_min_alarm(struct device *dev, struct device_attribute
728 *devattr, char *buf)
729{
730 struct pc87427_data *data = pc87427_update_device(dev);
731 int nr = to_sensor_dev_attr(devattr)->index;
732
733 return sprintf(buf, "%d\n", !!(data->temp_status[nr]
734 & TEMP_STATUS_LOWFLG));
735}
736
737static ssize_t show_temp_max_alarm(struct device *dev, struct device_attribute
738 *devattr, char *buf)
739{
740 struct pc87427_data *data = pc87427_update_device(dev);
741 int nr = to_sensor_dev_attr(devattr)->index;
742
743 return sprintf(buf, "%d\n", !!(data->temp_status[nr]
744 & TEMP_STATUS_HIGHFLG));
745}
746
747static ssize_t show_temp_crit_alarm(struct device *dev, struct device_attribute
748 *devattr, char *buf)
749{
750 struct pc87427_data *data = pc87427_update_device(dev);
751 int nr = to_sensor_dev_attr(devattr)->index;
752
753 return sprintf(buf, "%d\n", !!(data->temp_status[nr]
754 & TEMP_STATUS_CRITFLG));
755}
756
757static ssize_t show_temp_fault(struct device *dev, struct device_attribute
758 *devattr, char *buf)
759{
760 struct pc87427_data *data = pc87427_update_device(dev);
761 int nr = to_sensor_dev_attr(devattr)->index;
762
763 return sprintf(buf, "%d\n", !!(data->temp_status[nr]
764 & TEMP_STATUS_SENSERR));
765}
766
767static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL, 0);
768static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp_input, NULL, 1);
769static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp_input, NULL, 2);
770static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp_input, NULL, 3);
771static SENSOR_DEVICE_ATTR(temp5_input, S_IRUGO, show_temp_input, NULL, 4);
772static SENSOR_DEVICE_ATTR(temp6_input, S_IRUGO, show_temp_input, NULL, 5);
773
774static SENSOR_DEVICE_ATTR(temp1_min, S_IRUGO, show_temp_min, NULL, 0);
775static SENSOR_DEVICE_ATTR(temp2_min, S_IRUGO, show_temp_min, NULL, 1);
776static SENSOR_DEVICE_ATTR(temp3_min, S_IRUGO, show_temp_min, NULL, 2);
777static SENSOR_DEVICE_ATTR(temp4_min, S_IRUGO, show_temp_min, NULL, 3);
778static SENSOR_DEVICE_ATTR(temp5_min, S_IRUGO, show_temp_min, NULL, 4);
779static SENSOR_DEVICE_ATTR(temp6_min, S_IRUGO, show_temp_min, NULL, 5);
780
781static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO, show_temp_max, NULL, 0);
782static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO, show_temp_max, NULL, 1);
783static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO, show_temp_max, NULL, 2);
784static SENSOR_DEVICE_ATTR(temp4_max, S_IRUGO, show_temp_max, NULL, 3);
785static SENSOR_DEVICE_ATTR(temp5_max, S_IRUGO, show_temp_max, NULL, 4);
786static SENSOR_DEVICE_ATTR(temp6_max, S_IRUGO, show_temp_max, NULL, 5);
787
788static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit, NULL, 0);
789static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp_crit, NULL, 1);
790static SENSOR_DEVICE_ATTR(temp3_crit, S_IRUGO, show_temp_crit, NULL, 2);
791static SENSOR_DEVICE_ATTR(temp4_crit, S_IRUGO, show_temp_crit, NULL, 3);
792static SENSOR_DEVICE_ATTR(temp5_crit, S_IRUGO, show_temp_crit, NULL, 4);
793static SENSOR_DEVICE_ATTR(temp6_crit, S_IRUGO, show_temp_crit, NULL, 5);
794
795static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0);
796static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1);
797static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2);
798static SENSOR_DEVICE_ATTR(temp4_type, S_IRUGO, show_temp_type, NULL, 3);
799static SENSOR_DEVICE_ATTR(temp5_type, S_IRUGO, show_temp_type, NULL, 4);
800static SENSOR_DEVICE_ATTR(temp6_type, S_IRUGO, show_temp_type, NULL, 5);
801
802static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO,
803 show_temp_min_alarm, NULL, 0);
804static SENSOR_DEVICE_ATTR(temp2_min_alarm, S_IRUGO,
805 show_temp_min_alarm, NULL, 1);
806static SENSOR_DEVICE_ATTR(temp3_min_alarm, S_IRUGO,
807 show_temp_min_alarm, NULL, 2);
808static SENSOR_DEVICE_ATTR(temp4_min_alarm, S_IRUGO,
809 show_temp_min_alarm, NULL, 3);
810static SENSOR_DEVICE_ATTR(temp5_min_alarm, S_IRUGO,
811 show_temp_min_alarm, NULL, 4);
812static SENSOR_DEVICE_ATTR(temp6_min_alarm, S_IRUGO,
813 show_temp_min_alarm, NULL, 5);
814
815static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO,
816 show_temp_max_alarm, NULL, 0);
817static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO,
818 show_temp_max_alarm, NULL, 1);
819static SENSOR_DEVICE_ATTR(temp3_max_alarm, S_IRUGO,
820 show_temp_max_alarm, NULL, 2);
821static SENSOR_DEVICE_ATTR(temp4_max_alarm, S_IRUGO,
822 show_temp_max_alarm, NULL, 3);
823static SENSOR_DEVICE_ATTR(temp5_max_alarm, S_IRUGO,
824 show_temp_max_alarm, NULL, 4);
825static SENSOR_DEVICE_ATTR(temp6_max_alarm, S_IRUGO,
826 show_temp_max_alarm, NULL, 5);
827
828static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO,
829 show_temp_crit_alarm, NULL, 0);
830static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO,
831 show_temp_crit_alarm, NULL, 1);
832static SENSOR_DEVICE_ATTR(temp3_crit_alarm, S_IRUGO,
833 show_temp_crit_alarm, NULL, 2);
834static SENSOR_DEVICE_ATTR(temp4_crit_alarm, S_IRUGO,
835 show_temp_crit_alarm, NULL, 3);
836static SENSOR_DEVICE_ATTR(temp5_crit_alarm, S_IRUGO,
837 show_temp_crit_alarm, NULL, 4);
838static SENSOR_DEVICE_ATTR(temp6_crit_alarm, S_IRUGO,
839 show_temp_crit_alarm, NULL, 5);
840
841static SENSOR_DEVICE_ATTR(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0);
842static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_temp_fault, NULL, 1);
843static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2);
844static SENSOR_DEVICE_ATTR(temp4_fault, S_IRUGO, show_temp_fault, NULL, 3);
845static SENSOR_DEVICE_ATTR(temp5_fault, S_IRUGO, show_temp_fault, NULL, 4);
846static SENSOR_DEVICE_ATTR(temp6_fault, S_IRUGO, show_temp_fault, NULL, 5);
847
848static struct attribute *pc87427_attributes_temp[6][10] = {
849 {
850 &sensor_dev_attr_temp1_input.dev_attr.attr,
851 &sensor_dev_attr_temp1_min.dev_attr.attr,
852 &sensor_dev_attr_temp1_max.dev_attr.attr,
853 &sensor_dev_attr_temp1_crit.dev_attr.attr,
854 &sensor_dev_attr_temp1_type.dev_attr.attr,
855 &sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
856 &sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
857 &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,
858 &sensor_dev_attr_temp1_fault.dev_attr.attr,
859 NULL
860 }, {
861 &sensor_dev_attr_temp2_input.dev_attr.attr,
862 &sensor_dev_attr_temp2_min.dev_attr.attr,
863 &sensor_dev_attr_temp2_max.dev_attr.attr,
864 &sensor_dev_attr_temp2_crit.dev_attr.attr,
865 &sensor_dev_attr_temp2_type.dev_attr.attr,
866 &sensor_dev_attr_temp2_min_alarm.dev_attr.attr,
867 &sensor_dev_attr_temp2_max_alarm.dev_attr.attr,
868 &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr,
869 &sensor_dev_attr_temp2_fault.dev_attr.attr,
870 NULL
871 }, {
872 &sensor_dev_attr_temp3_input.dev_attr.attr,
873 &sensor_dev_attr_temp3_min.dev_attr.attr,
874 &sensor_dev_attr_temp3_max.dev_attr.attr,
875 &sensor_dev_attr_temp3_crit.dev_attr.attr,
876 &sensor_dev_attr_temp3_type.dev_attr.attr,
877 &sensor_dev_attr_temp3_min_alarm.dev_attr.attr,
878 &sensor_dev_attr_temp3_max_alarm.dev_attr.attr,
879 &sensor_dev_attr_temp3_crit_alarm.dev_attr.attr,
880 &sensor_dev_attr_temp3_fault.dev_attr.attr,
881 NULL
882 }, {
883 &sensor_dev_attr_temp4_input.dev_attr.attr,
884 &sensor_dev_attr_temp4_min.dev_attr.attr,
885 &sensor_dev_attr_temp4_max.dev_attr.attr,
886 &sensor_dev_attr_temp4_crit.dev_attr.attr,
887 &sensor_dev_attr_temp4_type.dev_attr.attr,
888 &sensor_dev_attr_temp4_min_alarm.dev_attr.attr,
889 &sensor_dev_attr_temp4_max_alarm.dev_attr.attr,
890 &sensor_dev_attr_temp4_crit_alarm.dev_attr.attr,
891 &sensor_dev_attr_temp4_fault.dev_attr.attr,
892 NULL
893 }, {
894 &sensor_dev_attr_temp5_input.dev_attr.attr,
895 &sensor_dev_attr_temp5_min.dev_attr.attr,
896 &sensor_dev_attr_temp5_max.dev_attr.attr,
897 &sensor_dev_attr_temp5_crit.dev_attr.attr,
898 &sensor_dev_attr_temp5_type.dev_attr.attr,
899 &sensor_dev_attr_temp5_min_alarm.dev_attr.attr,
900 &sensor_dev_attr_temp5_max_alarm.dev_attr.attr,
901 &sensor_dev_attr_temp5_crit_alarm.dev_attr.attr,
902 &sensor_dev_attr_temp5_fault.dev_attr.attr,
903 NULL
904 }, {
905 &sensor_dev_attr_temp6_input.dev_attr.attr,
906 &sensor_dev_attr_temp6_min.dev_attr.attr,
907 &sensor_dev_attr_temp6_max.dev_attr.attr,
908 &sensor_dev_attr_temp6_crit.dev_attr.attr,
909 &sensor_dev_attr_temp6_type.dev_attr.attr,
910 &sensor_dev_attr_temp6_min_alarm.dev_attr.attr,
911 &sensor_dev_attr_temp6_max_alarm.dev_attr.attr,
912 &sensor_dev_attr_temp6_crit_alarm.dev_attr.attr,
913 &sensor_dev_attr_temp6_fault.dev_attr.attr,
914 NULL
915 }
916};
917
918static const struct attribute_group pc87427_group_temp[6] = {
919 { .attrs = pc87427_attributes_temp[0] },
920 { .attrs = pc87427_attributes_temp[1] },
921 { .attrs = pc87427_attributes_temp[2] },
922 { .attrs = pc87427_attributes_temp[3] },
923 { .attrs = pc87427_attributes_temp[4] },
924 { .attrs = pc87427_attributes_temp[5] },
925};
926
598static ssize_t show_name(struct device *dev, struct device_attribute 927static ssize_t show_name(struct device *dev, struct device_attribute
599 *devattr, char *buf) 928 *devattr, char *buf)
600{ 929{
@@ -659,7 +988,7 @@ static void __devinit pc87427_init_device(struct device *dev)
659 /* The FMC module should be ready */ 988 /* The FMC module should be ready */
660 reg = pc87427_read8(data, LD_FAN, PC87427_REG_BANK); 989 reg = pc87427_read8(data, LD_FAN, PC87427_REG_BANK);
661 if (!(reg & 0x80)) 990 if (!(reg & 0x80))
662 dev_warn(dev, "FMC module not ready!\n"); 991 dev_warn(dev, "%s module not ready!\n", "FMC");
663 992
664 /* Check which fans are enabled */ 993 /* Check which fans are enabled */
665 for (i = 0; i < 8; i++) { 994 for (i = 0; i < 8; i++) {
@@ -701,6 +1030,19 @@ static void __devinit pc87427_init_device(struct device *dev)
701 data->pwm_auto_ok |= (1 << i); 1030 data->pwm_auto_ok |= (1 << i);
702 } 1031 }
703 } 1032 }
1033
1034 /* The HMC module should be ready */
1035 reg = pc87427_read8(data, LD_TEMP, PC87427_REG_BANK);
1036 if (!(reg & 0x80))
1037 dev_warn(dev, "%s module not ready!\n", "HMC");
1038
1039 /* Check which temperature channels are enabled */
1040 for (i = 0; i < 6; i++) {
1041 reg = pc87427_read8_bank(data, LD_TEMP, BANK_TM(i),
1042 PC87427_REG_TEMP_STATUS);
1043 if (reg & TEMP_STATUS_CHANEN)
1044 data->temp_enabled |= (1 << i);
1045 }
704} 1046}
705 1047
706static int __devinit pc87427_probe(struct platform_device *pdev) 1048static int __devinit pc87427_probe(struct platform_device *pdev)
@@ -749,6 +1091,14 @@ static int __devinit pc87427_probe(struct platform_device *pdev)
749 if (err) 1091 if (err)
750 goto exit_remove_files; 1092 goto exit_remove_files;
751 } 1093 }
1094 for (i = 0; i < 6; i++) {
1095 if (!(data->temp_enabled & (1 << i)))
1096 continue;
1097 err = sysfs_create_group(&pdev->dev.kobj,
1098 &pc87427_group_temp[i]);
1099 if (err)
1100 goto exit_remove_files;
1101 }
752 1102
753 data->hwmon_dev = hwmon_device_register(&pdev->dev); 1103 data->hwmon_dev = hwmon_device_register(&pdev->dev);
754 if (IS_ERR(data->hwmon_dev)) { 1104 if (IS_ERR(data->hwmon_dev)) {
@@ -770,6 +1120,11 @@ exit_remove_files:
770 continue; 1120 continue;
771 sysfs_remove_group(&pdev->dev.kobj, &pc87427_group_pwm[i]); 1121 sysfs_remove_group(&pdev->dev.kobj, &pc87427_group_pwm[i]);
772 } 1122 }
1123 for (i = 0; i < 6; i++) {
1124 if (!(data->temp_enabled & (1 << i)))
1125 continue;
1126 sysfs_remove_group(&pdev->dev.kobj, &pc87427_group_temp[i]);
1127 }
773exit_release_region: 1128exit_release_region:
774 pc87427_release_regions(pdev, res_count); 1129 pc87427_release_regions(pdev, res_count);
775exit_kfree: 1130exit_kfree:
@@ -798,6 +1153,11 @@ static int __devexit pc87427_remove(struct platform_device *pdev)
798 continue; 1153 continue;
799 sysfs_remove_group(&pdev->dev.kobj, &pc87427_group_pwm[i]); 1154 sysfs_remove_group(&pdev->dev.kobj, &pc87427_group_pwm[i]);
800 } 1155 }
1156 for (i = 0; i < 6; i++) {
1157 if (!(data->temp_enabled & (1 << i)))
1158 continue;
1159 sysfs_remove_group(&pdev->dev.kobj, &pc87427_group_temp[i]);
1160 }
801 platform_set_drvdata(pdev, NULL); 1161 platform_set_drvdata(pdev, NULL);
802 kfree(data); 1162 kfree(data);
803 1163
generated by cgit v1.2.2 (git 2.25.0) at 2024-09-21 19:05:43 -0400