diff options
| -rw-r--r-- | drivers/parisc/pdc_stable.c | 147 |
1 files changed, 70 insertions, 77 deletions
diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c index 1382be64cc3f..e1b9cbaf4456 100644 --- a/drivers/parisc/pdc_stable.c +++ b/drivers/parisc/pdc_stable.c @@ -120,7 +120,7 @@ struct pdcspath_entry pdcspath_entry_##_name = { \ }; #define PDCS_ATTR(_name, _mode, _show, _store) \ -struct subsys_attribute pdcs_attr_##_name = { \ +struct kobj_attribute pdcs_attr_##_name = { \ .attr = {.name = __stringify(_name), .mode = _mode}, \ .show = _show, \ .store = _store, \ @@ -523,15 +523,15 @@ static struct pdcspath_entry *pdcspath_entries[] = { /** * pdcs_size_read - Stable Storage size output. - * @kset: An allocated and populated struct kset. We don't use it tho. * @buf: The output buffer to write to. */ -static ssize_t -pdcs_size_read(struct kset *kset, char *buf) +static ssize_t pdcs_size_read(struct kobject *kobj, + struct kobj_attribute *attr, + char *buf) { char *out = buf; - if (!kset || !buf) + if (!buf) return -EINVAL; /* show the size of the stable storage */ @@ -542,17 +542,17 @@ pdcs_size_read(struct kset *kset, char *buf) /** * pdcs_auto_read - Stable Storage autoboot/search flag output. - * @kset: An allocated and populated struct kset. We don't use it tho. * @buf: The output buffer to write to. * @knob: The PF_AUTOBOOT or PF_AUTOSEARCH flag */ -static ssize_t -pdcs_auto_read(struct kset *kset, char *buf, int knob) +static ssize_t pdcs_auto_read(struct kobject *kobj, + struct kobj_attribute *attr, + char *buf, int knob) { char *out = buf; struct pdcspath_entry *pathentry; - if (!kset || !buf) + if (!buf) return -EINVAL; /* Current flags are stored in primary boot path entry */ @@ -568,40 +568,37 @@ pdcs_auto_read(struct kset *kset, char *buf, int knob) /** * pdcs_autoboot_read - Stable Storage autoboot flag output. - * @kset: An allocated and populated struct kset. We don't use it tho. * @buf: The output buffer to write to. */ -static inline ssize_t -pdcs_autoboot_read(struct kset *kset, char *buf) +static ssize_t pdcs_autoboot_read(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) { - return pdcs_auto_read(kset, buf, PF_AUTOBOOT); + return pdcs_auto_read(kobj, attr, buf, PF_AUTOBOOT); } /** * pdcs_autosearch_read - Stable Storage autoboot flag output. - * @kset: An allocated and populated struct kset. We don't use it tho. * @buf: The output buffer to write to. */ -static inline ssize_t -pdcs_autosearch_read(struct kset *kset, char *buf) +static ssize_t pdcs_autosearch_read(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) { - return pdcs_auto_read(kset, buf, PF_AUTOSEARCH); + return pdcs_auto_read(kobj, attr, buf, PF_AUTOSEARCH); } /** * pdcs_timer_read - Stable Storage timer count output (in seconds). - * @kset: An allocated and populated struct kset. We don't use it tho. * @buf: The output buffer to write to. * * The value of the timer field correponds to a number of seconds in powers of 2. */ -static ssize_t -pdcs_timer_read(struct kset *kset, char *buf) +static ssize_t pdcs_timer_read(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) { char *out = buf; struct pdcspath_entry *pathentry; - if (!kset || !buf) + if (!buf) return -EINVAL; /* Current flags are stored in primary boot path entry */ @@ -618,15 +615,14 @@ pdcs_timer_read(struct kset *kset, char *buf) /** * pdcs_osid_read - Stable Storage OS ID register output. - * @kset: An allocated and populated struct kset. We don't use it tho. * @buf: The output buffer to write to. */ -static ssize_t -pdcs_osid_read(struct kset *kset, char *buf) +static ssize_t pdcs_osid_read(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) { char *out = buf; - if (!kset || !buf) + if (!buf) return -EINVAL; out += sprintf(out, "%s dependent data (0x%.4x)\n", @@ -637,18 +633,17 @@ pdcs_osid_read(struct kset *kset, char *buf) /** * pdcs_osdep1_read - Stable Storage OS-Dependent data area 1 output. - * @kset: An allocated and populated struct kset. We don't use it tho. * @buf: The output buffer to write to. * * This can hold 16 bytes of OS-Dependent data. */ -static ssize_t -pdcs_osdep1_read(struct kset *kset, char *buf) +static ssize_t pdcs_osdep1_read(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) { char *out = buf; u32 result[4]; - if (!kset || !buf) + if (!buf) return -EINVAL; if (pdc_stable_read(PDCS_ADDR_OSD1, &result, sizeof(result)) != PDC_OK) @@ -664,18 +659,17 @@ pdcs_osdep1_read(struct kset *kset, char *buf) /** * pdcs_diagnostic_read - Stable Storage Diagnostic register output. - * @kset: An allocated and populated struct kset. We don't use it tho. * @buf: The output buffer to write to. * * I have NFC how to interpret the content of that register ;-). */ -static ssize_t -pdcs_diagnostic_read(struct kset *kset, char *buf) +static ssize_t pdcs_diagnostic_read(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) { char *out = buf; u32 result; - if (!kset || !buf) + if (!buf) return -EINVAL; /* get diagnostic */ @@ -689,18 +683,17 @@ pdcs_diagnostic_read(struct kset *kset, char *buf) /** * pdcs_fastsize_read - Stable Storage FastSize register output. - * @kset: An allocated and populated struct kset. We don't use it tho. * @buf: The output buffer to write to. * * This register holds the amount of system RAM to be tested during boot sequence. */ -static ssize_t -pdcs_fastsize_read(struct kset *kset, char *buf) +static ssize_t pdcs_fastsize_read(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) { char *out = buf; u32 result; - if (!kset || !buf) + if (!buf) return -EINVAL; /* get fast-size */ @@ -718,13 +711,12 @@ pdcs_fastsize_read(struct kset *kset, char *buf) /** * pdcs_osdep2_read - Stable Storage OS-Dependent data area 2 output. - * @kset: An allocated and populated struct kset. We don't use it tho. * @buf: The output buffer to write to. * * This can hold pdcs_size - 224 bytes of OS-Dependent data, when available. */ -static ssize_t -pdcs_osdep2_read(struct kset *kset, char *buf) +static ssize_t pdcs_osdep2_read(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) { char *out = buf; unsigned long size; @@ -736,7 +728,7 @@ pdcs_osdep2_read(struct kset *kset, char *buf) size = pdcs_size - 224; - if (!kset || !buf) + if (!buf) return -EINVAL; for (i=0; i<size; i+=4) { @@ -751,7 +743,6 @@ pdcs_osdep2_read(struct kset *kset, char *buf) /** * pdcs_auto_write - This function handles autoboot/search flag modifying. - * @kset: An allocated and populated struct kset. We don't use it tho. * @buf: The input buffer to read from. * @count: The number of bytes to be read. * @knob: The PF_AUTOBOOT or PF_AUTOSEARCH flag @@ -760,8 +751,9 @@ pdcs_osdep2_read(struct kset *kset, char *buf) * We expect a precise syntax: * \"n\" (n == 0 or 1) to toggle AutoBoot Off or On */ -static ssize_t -pdcs_auto_write(struct kset *kset, const char *buf, size_t count, int knob) +static ssize_t pdcs_auto_write(struct kobject *kobj, + struct kobj_attribute *attr, const char *buf, + size_t count, int knob) { struct pdcspath_entry *pathentry; unsigned char flags; @@ -771,7 +763,7 @@ pdcs_auto_write(struct kset *kset, const char *buf, size_t count, int knob) if (!capable(CAP_SYS_ADMIN)) return -EACCES; - if (!kset || !buf || !count) + if (!buf || !count) return -EINVAL; /* We'll use a local copy of buf */ @@ -826,7 +818,6 @@ parse_error: /** * pdcs_autoboot_write - This function handles autoboot flag modifying. - * @kset: An allocated and populated struct kset. We don't use it tho. * @buf: The input buffer to read from. * @count: The number of bytes to be read. * @@ -834,15 +825,15 @@ parse_error: * We expect a precise syntax: * \"n\" (n == 0 or 1) to toggle AutoSearch Off or On */ -static inline ssize_t -pdcs_autoboot_write(struct kset *kset, const char *buf, size_t count) +static ssize_t pdcs_autoboot_write(struct kobject *kobj, + struct kobj_attribute *attr, + const char *buf, size_t count) { - return pdcs_auto_write(kset, buf, count, PF_AUTOBOOT); + return pdcs_auto_write(kset, attr, buf, count, PF_AUTOBOOT); } /** * pdcs_autosearch_write - This function handles autosearch flag modifying. - * @kset: An allocated and populated struct kset. We don't use it tho. * @buf: The input buffer to read from. * @count: The number of bytes to be read. * @@ -850,15 +841,15 @@ pdcs_autoboot_write(struct kset *kset, const char *buf, size_t count) * We expect a precise syntax: * \"n\" (n == 0 or 1) to toggle AutoSearch Off or On */ -static inline ssize_t -pdcs_autosearch_write(struct kset *kset, const char *buf, size_t count) +static ssize_t pdcs_autosearch_write(struct kobject *kobj, + struct kobj_attribute *attr, + const char *buf, size_t count) { - return pdcs_auto_write(kset, buf, count, PF_AUTOSEARCH); + return pdcs_auto_write(kset, attr, buf, count, PF_AUTOSEARCH); } /** * pdcs_osdep1_write - Stable Storage OS-Dependent data area 1 input. - * @kset: An allocated and populated struct kset. We don't use it tho. * @buf: The input buffer to read from. * @count: The number of bytes to be read. * @@ -866,15 +857,16 @@ pdcs_autosearch_write(struct kset *kset, const char *buf, size_t count) * write approach. It's up to userspace to deal with it when constructing * its input buffer. */ -static ssize_t -pdcs_osdep1_write(struct kset *kset, const char *buf, size_t count) +static ssize_t pdcs_osdep1_write(struct kobject *kobj, + struct kobj_attribute *attr, + const char *buf, size_t count) { u8 in[16]; if (!capable(CAP_SYS_ADMIN)) return -EACCES; - if (!kset || !buf || !count) + if (!buf || !count) return -EINVAL; if (unlikely(pdcs_osid != OS_ID_LINUX)) @@ -895,7 +887,6 @@ pdcs_osdep1_write(struct kset *kset, const char *buf, size_t count) /** * pdcs_osdep2_write - Stable Storage OS-Dependent data area 2 input. - * @kset: An allocated and populated struct kset. We don't use it tho. * @buf: The input buffer to read from. * @count: The number of bytes to be read. * @@ -903,8 +894,9 @@ pdcs_osdep1_write(struct kset *kset, const char *buf, size_t count) * byte-by-byte write approach. It's up to userspace to deal with it when * constructing its input buffer. */ -static ssize_t -pdcs_osdep2_write(struct kset *kset, const char *buf, size_t count) +static ssize_t pdcs_osdep2_write(struct kobject *kobj, + struct kobj_attribute *attr, + const char *buf, size_t count) { unsigned long size; unsigned short i; @@ -913,7 +905,7 @@ pdcs_osdep2_write(struct kset *kset, const char *buf, size_t count) if (!capable(CAP_SYS_ADMIN)) return -EACCES; - if (!kset || !buf || !count) + if (!buf || !count) return -EINVAL; if (unlikely(pdcs_size <= 224)) @@ -951,19 +943,23 @@ static PDCS_ATTR(diagnostic, 0400, pdcs_diagnostic_read, NULL); static PDCS_ATTR(fastsize, 0400, pdcs_fastsize_read, NULL); static PDCS_ATTR(osdep2, 0600, pdcs_osdep2_read, pdcs_osdep2_write); -static struct subsys_attribute *pdcs_subsys_attrs[] = { - &pdcs_attr_size, - &pdcs_attr_autoboot, - &pdcs_attr_autosearch, - &pdcs_attr_timer, - &pdcs_attr_osid, - &pdcs_attr_osdep1, - &pdcs_attr_diagnostic, - &pdcs_attr_fastsize, - &pdcs_attr_osdep2, +static struct attribute *pdcs_subsys_attrs[] = { + &pdcs_attr_size.attr, + &pdcs_attr_autoboot.attr, + &pdcs_attr_autosearch.attr, + &pdcs_attr_timer.attr, + &pdcs_attr_osid.attr, + &pdcs_attr_osdep1.attr, + &pdcs_attr_diagnostic.attr, + &pdcs_attr_fastsize.attr, + &pdcs_attr_osdep2.attr, NULL, }; +static struct attribute_group pdcs_attr_group = { + .attrs = pdcs_subsys_attrs, +}; + static decl_subsys(paths, NULL); static decl_subsys(stable, NULL); @@ -1042,8 +1038,7 @@ pdcs_unregister_pathentries(void) static int __init pdc_stable_init(void) { - struct subsys_attribute *attr; - int i, rc = 0, error = 0; + int rc = 0, error = 0; u32 result; /* find the size of the stable storage */ @@ -1068,10 +1063,8 @@ pdc_stable_init(void) goto fail_firmreg; /* Don't forget the root entries */ - for (i = 0; (attr = pdcs_subsys_attrs[i]) && !error; i++) - if (attr->show) - error = subsys_create_file(&stable_subsys, attr); - + error = sysfs_create_group(&stable_subsys.kobj, pdcs_attr_group); + /* register the paths subsys as a subsystem of stable subsys */ paths_subsys.kobj.kset = &stable_subsys; if ((rc = subsystem_register(&paths_subsys))) |