diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 5907c1718f8c74fbe4a7d2c3bceb21759ed07422..92772fffc52ff292fc38e8acd09bf0002d332c8b 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -20,8 +20,7 @@ static struct msr __percpu *msrs; */ static atomic_t drv_instances = ATOMIC_INIT(0); -/* Per-node driver instances */ -static struct mem_ctl_info **mcis; +/* Per-node stuff */ static struct ecc_settings **ecc_stngs; /* @@ -903,9 +902,17 @@ static int k8_early_channel_count(struct amd64_pvt *pvt) /* On F10h and later ErrAddr is MC4_ADDR[47:1] */ static u64 get_error_address(struct amd64_pvt *pvt, struct mce *m) { - u64 addr; + u16 mce_nid = amd_get_nb_id(m->extcpu); + struct mem_ctl_info *mci; u8 start_bit = 1; u8 end_bit = 47; + u64 addr; + + mci = edac_mc_find(mce_nid); + if (!mci) + return 0; + + pvt = mci->pvt_info; if (pvt->fam == 0xf) { start_bit = 3; @@ -918,17 +925,13 @@ static u64 get_error_address(struct amd64_pvt *pvt, struct mce *m) * Erratum 637 workaround */ if (pvt->fam == 0x15) { - struct amd64_pvt *pvt; u64 cc6_base, tmp_addr; u32 tmp; - u16 mce_nid; u8 intlv_en; if ((addr & GENMASK_ULL(47, 24)) >> 24 != 0x00fdf7) return addr; - mce_nid = amd_get_nb_id(m->extcpu); - pvt = mcis[mce_nid]->pvt_info; amd64_read_pci_cfg(pvt->F1, DRAM_LOCAL_NODE_LIM, &tmp); intlv_en = tmp >> 21 & 0x7; @@ -1511,7 +1514,7 @@ static int f1x_lookup_addr_in_dct(u64 in_addr, u8 nid, u8 dct) int cs_found = -EINVAL; int csrow; - mci = mcis[nid]; + mci = edac_mc_find(nid); if (!mci) return cs_found; @@ -2663,34 +2666,6 @@ static bool ecc_enabled(struct pci_dev *F3, u16 nid) return true; } -static int set_mc_sysfs_attrs(struct mem_ctl_info *mci) -{ - struct amd64_pvt *pvt = mci->pvt_info; - int rc; - - rc = amd64_create_sysfs_dbg_files(mci); - if (rc < 0) - return rc; - - if (pvt->fam >= 0x10) { - rc = amd64_create_sysfs_inject_files(mci); - if (rc < 0) - return rc; - } - - return 0; -} - -static void del_mc_sysfs_attrs(struct mem_ctl_info *mci) -{ - struct amd64_pvt *pvt = mci->pvt_info; - - amd64_remove_sysfs_dbg_files(mci); - - if (pvt->fam >= 0x10) - amd64_remove_sysfs_inject_files(mci); -} - static void setup_mci_misc_attrs(struct mem_ctl_info *mci, struct amd64_family_type *fam) { @@ -2778,6 +2753,16 @@ static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt) return fam_type; } +static const struct attribute_group *amd64_edac_attr_groups[] = { +#ifdef CONFIG_EDAC_DEBUG + &amd64_edac_dbg_group, +#endif +#ifdef CONFIG_EDAC_AMD64_ERROR_INJECTION + &amd64_edac_inj_group, +#endif + NULL +}; + static int init_one_instance(struct pci_dev *F2) { struct amd64_pvt *pvt = NULL; @@ -2844,14 +2829,10 @@ static int init_one_instance(struct pci_dev *F2) mci->edac_cap = EDAC_FLAG_NONE; ret = -ENODEV; - if (edac_mc_add_mc(mci)) { + if (edac_mc_add_mc_with_groups(mci, amd64_edac_attr_groups)) { edac_dbg(1, "failed edac_mc_add_mc()\n"); goto err_add_mc; } - if (set_mc_sysfs_attrs(mci)) { - edac_dbg(1, "failed edac_mc_add_mc()\n"); - goto err_add_sysfs; - } /* register stuff with EDAC MCE */ if (report_gart_errors) @@ -2859,14 +2840,10 @@ static int init_one_instance(struct pci_dev *F2) amd_register_ecc_decoder(decode_bus_error); - mcis[nid] = mci; - atomic_inc(&drv_instances); return 0; -err_add_sysfs: - edac_mc_del_mc(mci->pdev); err_add_mc: edac_mc_free(mci); @@ -2940,7 +2917,6 @@ static void remove_one_instance(struct pci_dev *pdev) mci = find_mci_by_dev(&pdev->dev); WARN_ON(!mci); - del_mc_sysfs_attrs(mci); /* Remove from EDAC CORE tracking list */ mci = edac_mc_del_mc(&pdev->dev); if (!mci) @@ -2961,7 +2937,6 @@ static void remove_one_instance(struct pci_dev *pdev) /* Free the EDAC CORE resources */ mci->pvt_info = NULL; - mcis[nid] = NULL; kfree(pvt); edac_mc_free(mci); @@ -2999,7 +2974,7 @@ static void setup_pci_device(void) if (pci_ctl) return; - mci = mcis[0]; + mci = edac_mc_find(0); if (!mci) return; @@ -3023,9 +2998,8 @@ static int __init amd64_edac_init(void) goto err_ret; err = -ENOMEM; - mcis = kzalloc(amd_nb_num() * sizeof(mcis[0]), GFP_KERNEL); ecc_stngs = kzalloc(amd_nb_num() * sizeof(ecc_stngs[0]), GFP_KERNEL); - if (!(mcis && ecc_stngs)) + if (!ecc_stngs) goto err_free; msrs = msrs_alloc(); @@ -3056,9 +3030,6 @@ static int __init amd64_edac_init(void) msrs = NULL; err_free: - kfree(mcis); - mcis = NULL; - kfree(ecc_stngs); ecc_stngs = NULL; @@ -3076,9 +3047,6 @@ static void __exit amd64_edac_exit(void) kfree(ecc_stngs); ecc_stngs = NULL; - kfree(mcis); - mcis = NULL; - msrs_free(msrs); msrs = NULL; } diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h index d8468c6679257b26b0157da63fd1d6bdd0633ba4..4bdec752d33096bfdfa9c5c201c81dba3c217af8 100644 --- a/drivers/edac/amd64_edac.h +++ b/drivers/edac/amd64_edac.h @@ -453,31 +453,11 @@ struct ecc_settings { }; #ifdef CONFIG_EDAC_DEBUG -int amd64_create_sysfs_dbg_files(struct mem_ctl_info *mci); -void amd64_remove_sysfs_dbg_files(struct mem_ctl_info *mci); - -#else -static inline int amd64_create_sysfs_dbg_files(struct mem_ctl_info *mci) -{ - return 0; -} -static void inline amd64_remove_sysfs_dbg_files(struct mem_ctl_info *mci) -{ -} +extern const struct attribute_group amd64_edac_dbg_group; #endif #ifdef CONFIG_EDAC_AMD64_ERROR_INJECTION -int amd64_create_sysfs_inject_files(struct mem_ctl_info *mci); -void amd64_remove_sysfs_inject_files(struct mem_ctl_info *mci); - -#else -static inline int amd64_create_sysfs_inject_files(struct mem_ctl_info *mci) -{ - return 0; -} -static inline void amd64_remove_sysfs_inject_files(struct mem_ctl_info *mci) -{ -} +extern const struct attribute_group amd64_edac_inj_group; #endif /* diff --git a/drivers/edac/amd64_edac_dbg.c b/drivers/edac/amd64_edac_dbg.c index 2c1bbf7406058f4f80e1edb170db160c488cdcbc..4709c60798482e1e0b276ef35d810a30801111d4 100644 --- a/drivers/edac/amd64_edac_dbg.c +++ b/drivers/edac/amd64_edac_dbg.c @@ -40,34 +40,15 @@ static DEVICE_ATTR(topmem, S_IRUGO, amd64_top_mem_show, NULL); static DEVICE_ATTR(topmem2, S_IRUGO, amd64_top_mem2_show, NULL); static DEVICE_ATTR(dram_hole, S_IRUGO, amd64_hole_show, NULL); -int amd64_create_sysfs_dbg_files(struct mem_ctl_info *mci) -{ - int rc; - - rc = device_create_file(&mci->dev, &dev_attr_dhar); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_dbam); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_topmem); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_topmem2); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_dram_hole); - if (rc < 0) - return rc; - - return 0; -} - -void amd64_remove_sysfs_dbg_files(struct mem_ctl_info *mci) -{ - device_remove_file(&mci->dev, &dev_attr_dhar); - device_remove_file(&mci->dev, &dev_attr_dbam); - device_remove_file(&mci->dev, &dev_attr_topmem); - device_remove_file(&mci->dev, &dev_attr_topmem2); - device_remove_file(&mci->dev, &dev_attr_dram_hole); -} +static struct attribute *amd64_edac_dbg_attrs[] = { + &dev_attr_dhar.attr, + &dev_attr_dbam.attr, + &dev_attr_topmem.attr, + &dev_attr_topmem2.attr, + &dev_attr_dram_hole.attr, + NULL +}; + +const struct attribute_group amd64_edac_dbg_group = { + .attrs = amd64_edac_dbg_attrs, +}; diff --git a/drivers/edac/amd64_edac_inj.c b/drivers/edac/amd64_edac_inj.c index 0d66ae68d4681a9bb1ceedfca97fcafbde144d2c..e14977ff95dbb49dcd1038018091f37561cf86d4 100644 --- a/drivers/edac/amd64_edac_inj.c +++ b/drivers/edac/amd64_edac_inj.c @@ -207,35 +207,28 @@ static DEVICE_ATTR(inject_write, S_IWUSR, static DEVICE_ATTR(inject_read, S_IWUSR, NULL, amd64_inject_read_store); - -int amd64_create_sysfs_inject_files(struct mem_ctl_info *mci) +static struct attribute *amd64_edac_inj_attrs[] = { + &dev_attr_inject_section.attr, + &dev_attr_inject_word.attr, + &dev_attr_inject_ecc_vector.attr, + &dev_attr_inject_write.attr, + &dev_attr_inject_read.attr, + NULL +}; + +static umode_t amd64_edac_inj_is_visible(struct kobject *kobj, + struct attribute *attr, int idx) { - int rc; - - rc = device_create_file(&mci->dev, &dev_attr_inject_section); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_inject_word); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_inject_ecc_vector); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_inject_write); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_inject_read); - if (rc < 0) - return rc; - - return 0; -} + struct device *dev = kobj_to_dev(kobj); + struct mem_ctl_info *mci = container_of(dev, struct mem_ctl_info, dev); + struct amd64_pvt *pvt = mci->pvt_info; -void amd64_remove_sysfs_inject_files(struct mem_ctl_info *mci) -{ - device_remove_file(&mci->dev, &dev_attr_inject_section); - device_remove_file(&mci->dev, &dev_attr_inject_word); - device_remove_file(&mci->dev, &dev_attr_inject_ecc_vector); - device_remove_file(&mci->dev, &dev_attr_inject_write); - device_remove_file(&mci->dev, &dev_attr_inject_read); + if (pvt->fam < 0x10) + return 0; + return attr->mode; } + +const struct attribute_group amd64_edac_inj_group = { + .attrs = amd64_edac_inj_attrs, + .is_visible = amd64_edac_inj_is_visible, +}; diff --git a/drivers/edac/edac_core.h b/drivers/edac/edac_core.h index 6c9f381e8fe6731d0c9c02bce1c793b0f0c302b7..ad42587c3f4d6e60d25ccb49fd9550b3341e6984 100644 --- a/drivers/edac/edac_core.h +++ b/drivers/edac/edac_core.h @@ -446,7 +446,9 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num, unsigned n_layers, struct edac_mc_layer *layers, unsigned sz_pvt); -extern int edac_mc_add_mc(struct mem_ctl_info *mci); +extern int edac_mc_add_mc_with_groups(struct mem_ctl_info *mci, + const struct attribute_group **groups); +#define edac_mc_add_mc(mci) edac_mc_add_mc_with_groups(mci, NULL) extern void edac_mc_free(struct mem_ctl_info *mci); extern struct mem_ctl_info *edac_mc_find(int idx); extern struct mem_ctl_info *find_mci_by_dev(struct device *dev); diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index 1747906f10cedcd2f9b528065b4ae139fc34fdb4..af3be1914dbb8f85496473c4c3c5977edd0ed17a 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -710,9 +710,10 @@ struct mem_ctl_info *edac_mc_find(int idx) EXPORT_SYMBOL(edac_mc_find); /** - * edac_mc_add_mc: Insert the 'mci' structure into the mci global list and - * create sysfs entries associated with mci structure + * edac_mc_add_mc_with_groups: Insert the 'mci' structure into the mci + * global list and create sysfs entries associated with mci structure * @mci: pointer to the mci structure to be added to the list + * @groups: optional attribute groups for the driver-specific sysfs entries * * Return: * 0 Success @@ -720,7 +721,8 @@ EXPORT_SYMBOL(edac_mc_find); */ /* FIXME - should a warning be printed if no error detection? correction? */ -int edac_mc_add_mc(struct mem_ctl_info *mci) +int edac_mc_add_mc_with_groups(struct mem_ctl_info *mci, + const struct attribute_group **groups) { int ret = -EINVAL; edac_dbg(0, "\n"); @@ -771,7 +773,7 @@ int edac_mc_add_mc(struct mem_ctl_info *mci) mci->bus = &mc_bus[mci->mc_idx]; - if (edac_create_sysfs_mci_device(mci)) { + if (edac_create_sysfs_mci_device(mci, groups)) { edac_mc_printk(mci, KERN_WARNING, "failed to create sysfs device\n"); goto fail1; @@ -805,7 +807,7 @@ int edac_mc_add_mc(struct mem_ctl_info *mci) mutex_unlock(&mem_ctls_mutex); return ret; } -EXPORT_SYMBOL_GPL(edac_mc_add_mc); +EXPORT_SYMBOL_GPL(edac_mc_add_mc_with_groups); /** * edac_mc_del_mc: Remove sysfs entries for specified mci structure and diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index c84eecb191ef2a14364a57370bb1b6952bb9bcb6..112d63ad115470529c18e3c6d876cfdda000a9e5 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -323,13 +323,14 @@ DEVICE_CHANNEL(ch5_dimm_label, S_IRUGO | S_IWUSR, channel_dimm_label_show, channel_dimm_label_store, 5); /* Total possible dynamic DIMM Label attribute file table */ -static struct device_attribute *dynamic_csrow_dimm_attr[] = { - &dev_attr_legacy_ch0_dimm_label.attr, - &dev_attr_legacy_ch1_dimm_label.attr, - &dev_attr_legacy_ch2_dimm_label.attr, - &dev_attr_legacy_ch3_dimm_label.attr, - &dev_attr_legacy_ch4_dimm_label.attr, - &dev_attr_legacy_ch5_dimm_label.attr +static struct attribute *dynamic_csrow_dimm_attr[] = { + &dev_attr_legacy_ch0_dimm_label.attr.attr, + &dev_attr_legacy_ch1_dimm_label.attr.attr, + &dev_attr_legacy_ch2_dimm_label.attr.attr, + &dev_attr_legacy_ch3_dimm_label.attr.attr, + &dev_attr_legacy_ch4_dimm_label.attr.attr, + &dev_attr_legacy_ch5_dimm_label.attr.attr, + NULL }; /* possible dynamic channel ce_count attribute files */ @@ -347,13 +348,45 @@ DEVICE_CHANNEL(ch5_ce_count, S_IRUGO, channel_ce_count_show, NULL, 5); /* Total possible dynamic ce_count attribute file table */ -static struct device_attribute *dynamic_csrow_ce_count_attr[] = { - &dev_attr_legacy_ch0_ce_count.attr, - &dev_attr_legacy_ch1_ce_count.attr, - &dev_attr_legacy_ch2_ce_count.attr, - &dev_attr_legacy_ch3_ce_count.attr, - &dev_attr_legacy_ch4_ce_count.attr, - &dev_attr_legacy_ch5_ce_count.attr +static struct attribute *dynamic_csrow_ce_count_attr[] = { + &dev_attr_legacy_ch0_ce_count.attr.attr, + &dev_attr_legacy_ch1_ce_count.attr.attr, + &dev_attr_legacy_ch2_ce_count.attr.attr, + &dev_attr_legacy_ch3_ce_count.attr.attr, + &dev_attr_legacy_ch4_ce_count.attr.attr, + &dev_attr_legacy_ch5_ce_count.attr.attr, + NULL +}; + +static umode_t csrow_dev_is_visible(struct kobject *kobj, + struct attribute *attr, int idx) +{ + struct device *dev = kobj_to_dev(kobj); + struct csrow_info *csrow = container_of(dev, struct csrow_info, dev); + + if (idx >= csrow->nr_channels) + return 0; + /* Only expose populated DIMMs */ + if (!csrow->channels[idx]->dimm->nr_pages) + return 0; + return attr->mode; +} + + +static const struct attribute_group csrow_dev_dimm_group = { + .attrs = dynamic_csrow_dimm_attr, + .is_visible = csrow_dev_is_visible, +}; + +static const struct attribute_group csrow_dev_ce_count_group = { + .attrs = dynamic_csrow_ce_count_attr, + .is_visible = csrow_dev_is_visible, +}; + +static const struct attribute_group *csrow_dev_groups[] = { + &csrow_dev_dimm_group, + &csrow_dev_ce_count_group, + NULL }; static inline int nr_pages_per_csrow(struct csrow_info *csrow) @@ -370,13 +403,12 @@ static inline int nr_pages_per_csrow(struct csrow_info *csrow) static int edac_create_csrow_object(struct mem_ctl_info *mci, struct csrow_info *csrow, int index) { - int err, chan; - if (csrow->nr_channels > EDAC_NR_CHANNELS) return -ENODEV; csrow->dev.type = &csrow_attr_type; csrow->dev.bus = mci->bus; + csrow->dev.groups = csrow_dev_groups; device_initialize(&csrow->dev); csrow->dev.parent = &mci->dev; csrow->mci = mci; @@ -386,45 +418,13 @@ static int edac_create_csrow_object(struct mem_ctl_info *mci, edac_dbg(0, "creating (virtual) csrow node %s\n", dev_name(&csrow->dev)); - err = device_add(&csrow->dev); - if (err < 0) - return err; - - for (chan = 0; chan < csrow->nr_channels; chan++) { - /* Only expose populated DIMMs */ - if (!csrow->channels[chan]->dimm->nr_pages) - continue; - err = device_create_file(&csrow->dev, - dynamic_csrow_dimm_attr[chan]); - if (err < 0) - goto error; - err = device_create_file(&csrow->dev, - dynamic_csrow_ce_count_attr[chan]); - if (err < 0) { - device_remove_file(&csrow->dev, - dynamic_csrow_dimm_attr[chan]); - goto error; - } - } - - return 0; - -error: - for (--chan; chan >= 0; chan--) { - device_remove_file(&csrow->dev, - dynamic_csrow_dimm_attr[chan]); - device_remove_file(&csrow->dev, - dynamic_csrow_ce_count_attr[chan]); - } - put_device(&csrow->dev); - - return err; + return device_add(&csrow->dev); } /* Create a CSROW object under specifed edac_mc_device */ static int edac_create_csrow_objects(struct mem_ctl_info *mci) { - int err, i, chan; + int err, i; struct csrow_info *csrow; for (i = 0; i < mci->nr_csrows; i++) { @@ -446,14 +446,6 @@ static int edac_create_csrow_objects(struct mem_ctl_info *mci) csrow = mci->csrows[i]; if (!nr_pages_per_csrow(csrow)) continue; - for (chan = csrow->nr_channels - 1; chan >= 0; chan--) { - if (!csrow->channels[chan]->dimm->nr_pages) - continue; - device_remove_file(&csrow->dev, - dynamic_csrow_dimm_attr[chan]); - device_remove_file(&csrow->dev, - dynamic_csrow_ce_count_attr[chan]); - } put_device(&mci->csrows[i]->dev); } @@ -462,23 +454,13 @@ static int edac_create_csrow_objects(struct mem_ctl_info *mci) static void edac_delete_csrow_objects(struct mem_ctl_info *mci) { - int i, chan; + int i; struct csrow_info *csrow; for (i = mci->nr_csrows - 1; i >= 0; i--) { csrow = mci->csrows[i]; if (!nr_pages_per_csrow(csrow)) continue; - for (chan = csrow->nr_channels - 1; chan >= 0; chan--) { - if (!csrow->channels[chan]->dimm->nr_pages) - continue; - edac_dbg(1, "Removing csrow %d channel %d sysfs nodes\n", - i, chan); - device_remove_file(&csrow->dev, - dynamic_csrow_dimm_attr[chan]); - device_remove_file(&csrow->dev, - dynamic_csrow_ce_count_attr[chan]); - } device_unregister(&mci->csrows[i]->dev); } } @@ -863,7 +845,8 @@ static DEVICE_ATTR(ce_count, S_IRUGO, mci_ce_count_show, NULL); static DEVICE_ATTR(max_location, S_IRUGO, mci_max_location_show, NULL); /* memory scrubber attribute file */ -static DEVICE_ATTR(sdram_scrub_rate, 0, NULL, NULL); +DEVICE_ATTR(sdram_scrub_rate, 0, mci_sdram_scrub_rate_show, + mci_sdram_scrub_rate_store); /* umode set later in is_visible */ static struct attribute *mci_attrs[] = { &dev_attr_reset_counters.attr, @@ -875,11 +858,29 @@ static struct attribute *mci_attrs[] = { &dev_attr_ue_count.attr, &dev_attr_ce_count.attr, &dev_attr_max_location.attr, + &dev_attr_sdram_scrub_rate.attr, NULL }; +static umode_t mci_attr_is_visible(struct kobject *kobj, + struct attribute *attr, int idx) +{ + struct device *dev = kobj_to_dev(kobj); + struct mem_ctl_info *mci = to_mci(dev); + umode_t mode = 0; + + if (attr != &dev_attr_sdram_scrub_rate.attr) + return attr->mode; + if (mci->get_sdram_scrub_rate) + mode |= S_IRUGO; + if (mci->set_sdram_scrub_rate) + mode |= S_IWUSR; + return mode; +} + static struct attribute_group mci_attr_grp = { .attrs = mci_attrs, + .is_visible = mci_attr_is_visible, }; static const struct attribute_group *mci_attr_groups[] = { @@ -913,7 +914,7 @@ int __init edac_debugfs_init(void) return 0; } -void __exit edac_debugfs_exit(void) +void edac_debugfs_exit(void) { debugfs_remove(edac_debugfs); } @@ -973,7 +974,8 @@ static int edac_create_debug_nodes(struct mem_ctl_info *mci) * 0 Success * !0 Failure */ -int edac_create_sysfs_mci_device(struct mem_ctl_info *mci) +int edac_create_sysfs_mci_device(struct mem_ctl_info *mci, + const struct attribute_group **groups) { int i, err; @@ -997,6 +999,7 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci) mci->dev.parent = mci_pdev; mci->dev.bus = mci->bus; + mci->dev.groups = groups; dev_set_name(&mci->dev, "mc%d", mci->mc_idx); dev_set_drvdata(&mci->dev, mci); pm_runtime_forbid(&mci->dev); @@ -1008,23 +1011,6 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci) goto fail_unregister_bus; } - if (mci->set_sdram_scrub_rate || mci->get_sdram_scrub_rate) { - if (mci->get_sdram_scrub_rate) { - dev_attr_sdram_scrub_rate.attr.mode |= S_IRUGO; - dev_attr_sdram_scrub_rate.show = &mci_sdram_scrub_rate_show; - } - - if (mci->set_sdram_scrub_rate) { - dev_attr_sdram_scrub_rate.attr.mode |= S_IWUSR; - dev_attr_sdram_scrub_rate.store = &mci_sdram_scrub_rate_store; - } - - err = device_create_file(&mci->dev, &dev_attr_sdram_scrub_rate); - if (err) { - edac_dbg(1, "failure: create sdram_scrub_rate\n"); - goto fail_unregister_dev; - } - } /* * Create the dimm/rank devices */ @@ -1071,7 +1057,6 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci) device_unregister(&dimm->dev); } -fail_unregister_dev: device_unregister(&mci->dev); fail_unregister_bus: bus_unregister(mci->bus); @@ -1170,7 +1155,7 @@ int __init edac_mc_sysfs_init(void) return err; } -void __exit edac_mc_sysfs_exit(void) +void edac_mc_sysfs_exit(void) { device_unregister(mci_pdev); edac_put_sysfs_subsys(); diff --git a/drivers/edac/edac_module.c b/drivers/edac/edac_module.c index e6d1691dfa45f310d7f7cbec0b8f391836daff22..9cb082a19d8a7ae2fbd7a2ae146bd3cd98a59618 100644 --- a/drivers/edac/edac_module.c +++ b/drivers/edac/edac_module.c @@ -112,20 +112,23 @@ static int __init edac_init(void) err = edac_mc_sysfs_init(); if (err) - goto error; + goto err_sysfs; edac_debugfs_init(); - /* Setup/Initialize the workq for this core */ err = edac_workqueue_setup(); if (err) { - edac_printk(KERN_ERR, EDAC_MC, "init WorkQueue failure\n"); - goto error; + edac_printk(KERN_ERR, EDAC_MC, "Failure initializing workqueue\n"); + goto err_wq; } return 0; -error: +err_wq: + edac_debugfs_exit(); + edac_mc_sysfs_exit(); + +err_sysfs: return err; } diff --git a/drivers/edac/edac_module.h b/drivers/edac/edac_module.h index f2118bfcf8dfbd861d24754320ac0a0439cfb9ed..26ecc52e073d8b5dc246aa2897cd59fdf54700ad 100644 --- a/drivers/edac/edac_module.h +++ b/drivers/edac/edac_module.h @@ -22,7 +22,8 @@ /* on edac_mc_sysfs.c */ int edac_mc_sysfs_init(void); void edac_mc_sysfs_exit(void); -extern int edac_create_sysfs_mci_device(struct mem_ctl_info *mci); +extern int edac_create_sysfs_mci_device(struct mem_ctl_info *mci, + const struct attribute_group **groups); extern void edac_remove_sysfs_mci_device(struct mem_ctl_info *mci); void edac_unregister_sysfs(struct mem_ctl_info *mci); extern int edac_get_log_ue(void); diff --git a/drivers/edac/highbank_mc_edac.c b/drivers/edac/highbank_mc_edac.c index f784de1dc7937f097265050b3336bcebf4534ef7..11260cc3360e44b8105f0351fd198026d205c685 100644 --- a/drivers/edac/highbank_mc_edac.c +++ b/drivers/edac/highbank_mc_edac.c @@ -124,6 +124,13 @@ static ssize_t highbank_mc_inject_ctrl(struct device *dev, static DEVICE_ATTR(inject_ctrl, S_IWUSR, NULL, highbank_mc_inject_ctrl); +static struct attribute *highbank_dev_attrs[] = { + &dev_attr_inject_ctrl.attr, + NULL +}; + +ATTRIBUTE_GROUPS(highbank_dev); + struct hb_mc_settings { int err_offset; int int_offset; @@ -139,7 +146,7 @@ static struct hb_mc_settings mw_settings = { .int_offset = MW_DDR_ECC_INT_BASE, }; -static struct of_device_id hb_ddr_ctrl_of_match[] = { +static const struct of_device_id hb_ddr_ctrl_of_match[] = { { .compatible = "calxeda,hb-ddr-ctrl", .data = &hb_settings }, { .compatible = "calxeda,ecx-2000-ddr-ctrl", .data = &mw_settings }, {}, @@ -231,7 +238,7 @@ static int highbank_mc_probe(struct platform_device *pdev) dimm->mtype = MEM_DDR3; dimm->edac_mode = EDAC_SECDED; - res = edac_mc_add_mc(mci); + res = edac_mc_add_mc_with_groups(mci, highbank_dev_groups); if (res < 0) goto err; @@ -243,8 +250,6 @@ static int highbank_mc_probe(struct platform_device *pdev) goto err2; } - device_create_file(&mci->dev, &dev_attr_inject_ctrl); - devres_close_group(&pdev->dev, NULL); return 0; err2: @@ -259,7 +264,6 @@ static int highbank_mc_remove(struct platform_device *pdev) { struct mem_ctl_info *mci = platform_get_drvdata(pdev); - device_remove_file(&mci->dev, &dev_attr_inject_ctrl); edac_mc_del_mc(&pdev->dev); edac_mc_free(mci); return 0; diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c index 9cd0b301f81ba5a5a3fb52dfcc87ef337d7bcb41..01087a38da226d08bd7e08da5a183885fbf420b1 100644 --- a/drivers/edac/i7core_edac.c +++ b/drivers/edac/i7core_edac.c @@ -1157,27 +1157,24 @@ static DEVICE_ATTR(inject_eccmask, S_IRUGO | S_IWUSR, static DEVICE_ATTR(inject_enable, S_IRUGO | S_IWUSR, i7core_inject_enable_show, i7core_inject_enable_store); +static struct attribute *i7core_dev_attrs[] = { + &dev_attr_inject_section.attr, + &dev_attr_inject_type.attr, + &dev_attr_inject_eccmask.attr, + &dev_attr_inject_enable.attr, + NULL +}; + +ATTRIBUTE_GROUPS(i7core_dev); + static int i7core_create_sysfs_devices(struct mem_ctl_info *mci) { struct i7core_pvt *pvt = mci->pvt_info; int rc; - rc = device_create_file(&mci->dev, &dev_attr_inject_section); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_inject_type); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_inject_eccmask); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_inject_enable); - if (rc < 0) - return rc; - pvt->addrmatch_dev = kzalloc(sizeof(*pvt->addrmatch_dev), GFP_KERNEL); if (!pvt->addrmatch_dev) - return rc; + return -ENOMEM; pvt->addrmatch_dev->type = &addrmatch_type; pvt->addrmatch_dev->bus = mci->dev.bus; @@ -1198,7 +1195,7 @@ static int i7core_create_sysfs_devices(struct mem_ctl_info *mci) if (!pvt->chancounts_dev) { put_device(pvt->addrmatch_dev); device_del(pvt->addrmatch_dev); - return rc; + return -ENOMEM; } pvt->chancounts_dev->type = &all_channel_counts_type; @@ -1223,11 +1220,6 @@ static void i7core_delete_sysfs_devices(struct mem_ctl_info *mci) edac_dbg(1, "\n"); - device_remove_file(&mci->dev, &dev_attr_inject_section); - device_remove_file(&mci->dev, &dev_attr_inject_type); - device_remove_file(&mci->dev, &dev_attr_inject_eccmask); - device_remove_file(&mci->dev, &dev_attr_inject_enable); - if (!pvt->is_registered) { put_device(pvt->chancounts_dev); device_del(pvt->chancounts_dev); @@ -2259,7 +2251,7 @@ static int i7core_register_mci(struct i7core_dev *i7core_dev) enable_sdram_scrub_setting(mci); /* add this new MC control structure to EDAC's list of MCs */ - if (unlikely(edac_mc_add_mc(mci))) { + if (unlikely(edac_mc_add_mc_with_groups(mci, i7core_dev_groups))) { edac_dbg(0, "MC: failed edac_mc_add_mc()\n"); /* FIXME: perhaps some code should go here that disables error * reporting if we just enabled it diff --git a/drivers/edac/i82443bxgx_edac.c b/drivers/edac/i82443bxgx_edac.c index b4705d9366bf33d3c6223aacf8f47b8461b25a59..4d4110364f021cc77dc699d2384a60ce88067b40 100644 --- a/drivers/edac/i82443bxgx_edac.c +++ b/drivers/edac/i82443bxgx_edac.c @@ -350,8 +350,6 @@ static int i82443bxgx_edacmc_probe1(struct pci_dev *pdev, int dev_idx) return -ENODEV; } -EXPORT_SYMBOL_GPL(i82443bxgx_edacmc_probe1); - /* returns count (>= 0), or negative on error */ static int i82443bxgx_edacmc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) @@ -384,8 +382,6 @@ static void i82443bxgx_edacmc_remove_one(struct pci_dev *pdev) edac_mc_free(mci); } -EXPORT_SYMBOL_GPL(i82443bxgx_edacmc_remove_one); - static const struct pci_device_id i82443bxgx_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443BX_0)}, {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443BX_2)}, @@ -445,9 +441,7 @@ static int __init i82443bxgx_edacmc_init(void) pci_unregister_driver(&i82443bxgx_edacmc_driver); fail0: - if (mci_pdev != NULL) - pci_dev_put(mci_pdev); - + pci_dev_put(mci_pdev); return pci_rc; } diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c index 4382343a7c60ed3cc4d5d1ea4f7661c62b1fe5bc..ee1078cd3b966a1b473ca76b164947177cd9fdbc 100644 --- a/drivers/edac/i82860_edac.c +++ b/drivers/edac/i82860_edac.c @@ -343,20 +343,15 @@ static int __init i82860_init(void) pci_unregister_driver(&i82860_driver); fail0: - if (mci_pdev != NULL) - pci_dev_put(mci_pdev); - + pci_dev_put(mci_pdev); return pci_rc; } static void __exit i82860_exit(void) { edac_dbg(3, "\n"); - pci_unregister_driver(&i82860_driver); - - if (mci_pdev != NULL) - pci_dev_put(mci_pdev); + pci_dev_put(mci_pdev); } module_init(i82860_init); diff --git a/drivers/edac/i82875p_edac.c b/drivers/edac/i82875p_edac.c index 64b68320249f0e5e05db5ef8a0eccc0a2925dade..c26a513f88697bf690f34e66ada74ec091ac764d 100644 --- a/drivers/edac/i82875p_edac.c +++ b/drivers/edac/i82875p_edac.c @@ -576,9 +576,7 @@ static int __init i82875p_init(void) pci_unregister_driver(&i82875p_driver); fail0: - if (mci_pdev != NULL) - pci_dev_put(mci_pdev); - + pci_dev_put(mci_pdev); return pci_rc; } diff --git a/drivers/edac/i82975x_edac.c b/drivers/edac/i82975x_edac.c index 10b10521f62e19a550479755ad41247683d336e6..35ab66c623a3061e4ab03de7221b4852fbd59f63 100644 --- a/drivers/edac/i82975x_edac.c +++ b/drivers/edac/i82975x_edac.c @@ -685,9 +685,7 @@ static int __init i82975x_init(void) pci_unregister_driver(&i82975x_driver); fail0: - if (mci_pdev != NULL) - pci_dev_put(mci_pdev); - + pci_dev_put(mci_pdev); return pci_rc; } diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c index 1fa76a588af31ebec60889566a0a67eb4daa5a49..68bf234bdfe66c84d3d88d0fb339bb9fcbd451df 100644 --- a/drivers/edac/mpc85xx_edac.c +++ b/drivers/edac/mpc85xx_edac.c @@ -134,29 +134,14 @@ DEVICE_ATTR(inject_data_lo, S_IRUGO | S_IWUSR, DEVICE_ATTR(inject_ctrl, S_IRUGO | S_IWUSR, mpc85xx_mc_inject_ctrl_show, mpc85xx_mc_inject_ctrl_store); -static int mpc85xx_create_sysfs_attributes(struct mem_ctl_info *mci) -{ - int rc; - - rc = device_create_file(&mci->dev, &dev_attr_inject_data_hi); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_inject_data_lo); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_inject_ctrl); - if (rc < 0) - return rc; +static struct attribute *mpc85xx_dev_attrs[] = { + &dev_attr_inject_data_hi.attr, + &dev_attr_inject_data_lo.attr, + &dev_attr_inject_ctrl.attr, + NULL +}; - return 0; -} - -static void mpc85xx_remove_sysfs_attributes(struct mem_ctl_info *mci) -{ - device_remove_file(&mci->dev, &dev_attr_inject_data_hi); - device_remove_file(&mci->dev, &dev_attr_inject_data_lo); - device_remove_file(&mci->dev, &dev_attr_inject_ctrl); -} +ATTRIBUTE_GROUPS(mpc85xx_dev); /**************************** PCI Err device ***************************/ #ifdef CONFIG_PCI @@ -685,7 +670,7 @@ static int mpc85xx_l2_err_remove(struct platform_device *op) return 0; } -static struct of_device_id mpc85xx_l2_err_of_match[] = { +static const struct of_device_id mpc85xx_l2_err_of_match[] = { /* deprecate the fsl,85.. forms in the future, 2.6.30? */ { .compatible = "fsl,8540-l2-cache-controller", }, { .compatible = "fsl,8541-l2-cache-controller", }, @@ -1106,13 +1091,7 @@ static int mpc85xx_mc_err_probe(struct platform_device *op) /* clear all error bits */ out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_DETECT, ~0); - if (edac_mc_add_mc(mci)) { - edac_dbg(3, "failed edac_mc_add_mc()\n"); - goto err; - } - - if (mpc85xx_create_sysfs_attributes(mci)) { - edac_mc_del_mc(mci->pdev); + if (edac_mc_add_mc_with_groups(mci, mpc85xx_dev_groups)) { edac_dbg(3, "failed edac_mc_add_mc()\n"); goto err; } @@ -1176,13 +1155,12 @@ static int mpc85xx_mc_err_remove(struct platform_device *op) orig_ddr_err_disable); out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_SBE, orig_ddr_err_sbe); - mpc85xx_remove_sysfs_attributes(mci); edac_mc_del_mc(&op->dev); edac_mc_free(mci); return 0; } -static struct of_device_id mpc85xx_mc_err_of_match[] = { +static const struct of_device_id mpc85xx_mc_err_of_match[] = { /* deprecate the fsl,85.. forms in the future, 2.6.30? */ { .compatible = "fsl,8540-memory-controller", }, { .compatible = "fsl,8541-memory-controller", }, diff --git a/drivers/edac/octeon_edac-lmc.c b/drivers/edac/octeon_edac-lmc.c index 4bd10f94f0683a3c14e44f0fb8e5f41bb92ab83e..bb19e0732681ce6a4af6c2e980c0c4bb382889f9 100644 --- a/drivers/edac/octeon_edac-lmc.c +++ b/drivers/edac/octeon_edac-lmc.c @@ -209,35 +209,18 @@ static DEVICE_ATTR(row, S_IRUGO | S_IWUSR, static DEVICE_ATTR(col, S_IRUGO | S_IWUSR, octeon_mc_inject_col_show, octeon_mc_inject_col_store); +static struct attribute *octeon_dev_attrs[] = { + &dev_attr_inject.attr, + &dev_attr_error_type.attr, + &dev_attr_dimm.attr, + &dev_attr_rank.attr, + &dev_attr_bank.attr, + &dev_attr_row.attr, + &dev_attr_col.attr, + NULL +}; -static int octeon_set_mc_sysfs_attributes(struct mem_ctl_info *mci) -{ - int rc; - - rc = device_create_file(&mci->dev, &dev_attr_inject); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_error_type); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_dimm); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_rank); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_bank); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_row); - if (rc < 0) - return rc; - rc = device_create_file(&mci->dev, &dev_attr_col); - if (rc < 0) - return rc; - - return 0; -} +ATTRIBUTE_GROUPS(octeon_dev); static int octeon_lmc_edac_probe(struct platform_device *pdev) { @@ -271,18 +254,12 @@ static int octeon_lmc_edac_probe(struct platform_device *pdev) mci->ctl_name = "octeon-lmc-err"; mci->edac_check = octeon_lmc_edac_poll; - if (edac_mc_add_mc(mci)) { + if (edac_mc_add_mc_with_groups(mci, octeon_dev_groups)) { dev_err(&pdev->dev, "edac_mc_add_mc() failed\n"); edac_mc_free(mci); return -ENXIO; } - if (octeon_set_mc_sysfs_attributes(mci)) { - dev_err(&pdev->dev, "octeon_set_mc_sysfs_attributes() failed\n"); - return -ENXIO; - } - - cfg0.u64 = cvmx_read_csr(CVMX_LMCX_MEM_CFG0(mc)); cfg0.s.intr_ded_ena = 0; /* We poll */ cfg0.s.intr_sec_ena = 0; @@ -309,18 +286,12 @@ static int octeon_lmc_edac_probe(struct platform_device *pdev) mci->ctl_name = "co_lmc_err"; mci->edac_check = octeon_lmc_edac_poll_o2; - if (edac_mc_add_mc(mci)) { + if (edac_mc_add_mc_with_groups(mci, octeon_dev_groups)) { dev_err(&pdev->dev, "edac_mc_add_mc() failed\n"); edac_mc_free(mci); return -ENXIO; } - if (octeon_set_mc_sysfs_attributes(mci)) { - dev_err(&pdev->dev, "octeon_set_mc_sysfs_attributes() failed\n"); - return -ENXIO; - } - - en.u64 = cvmx_read_csr(CVMX_LMCX_MEM_CFG0(mc)); en.s.intr_ded_ena = 0; /* We poll */ en.s.intr_sec_ena = 0; diff --git a/drivers/edac/ppc4xx_edac.c b/drivers/edac/ppc4xx_edac.c index 1b64fd06082171be84ab2ce41e6d3e293bd0984e..3515b381c1312612f56953bc267ee7d5d23b0f84 100644 --- a/drivers/edac/ppc4xx_edac.c +++ b/drivers/edac/ppc4xx_edac.c @@ -193,7 +193,7 @@ static int ppc4xx_edac_remove(struct platform_device *device); * Device tree node type and compatible tuples this driver can match * on. */ -static struct of_device_id ppc4xx_edac_match[] = { +static const struct of_device_id ppc4xx_edac_match[] = { { .compatible = "ibm,sdram-4xx-ddr2" }, diff --git a/drivers/edac/synopsys_edac.c b/drivers/edac/synopsys_edac.c index 1c9691535e13ff7fd66a81662c5f363f71a406b2..fc153aea2f6cff1ce6b5043c11d4e16f24176ae0 100644 --- a/drivers/edac/synopsys_edac.c +++ b/drivers/edac/synopsys_edac.c @@ -512,7 +512,7 @@ static int synps_edac_mc_remove(struct platform_device *pdev) return 0; } -static struct of_device_id synps_edac_match[] = { +static const struct of_device_id synps_edac_match[] = { { .compatible = "xlnx,zynq-ddrc-a05", }, { /* end of table */ } };