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-rw-r--r--drivers/edac/altera_edac.c40
-rw-r--r--drivers/edac/edac_device_sysfs.c31
-rw-r--r--drivers/edac/edac_mc.c4
-rw-r--r--drivers/edac/edac_pci_sysfs.c26
4 files changed, 72 insertions, 29 deletions
diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c
index 5dd29789f97d..e7e8e624a436 100644
--- a/drivers/edac/altera_edac.c
+++ b/drivers/edac/altera_edac.c
@@ -1083,8 +1083,46 @@ static int __init __maybe_unused altr_init_a10_ecc_device_type(char *compat)
#ifdef CONFIG_EDAC_ALTERA_SDRAM
+/*
+ * A legacy U-Boot bug only enabled memory mapped access to the ECC Enable
+ * register if ECC is enabled. Linux checks the ECC Enable register to
+ * determine ECC status.
+ * Use an SMC call (which always works) to determine ECC enablement.
+ */
+static int altr_s10_sdram_check_ecc_deps(struct altr_edac_device_dev *device)
+{
+ const struct edac_device_prv_data *prv = device->data;
+ unsigned long sdram_ecc_addr;
+ struct arm_smccc_res result;
+ struct device_node *np;
+ phys_addr_t sdram_addr;
+ u32 read_reg;
+ int ret;
+
+ np = of_find_compatible_node(NULL, NULL, "altr,sdr-ctl");
+ if (!np)
+ goto sdram_err;
+
+ sdram_addr = of_translate_address(np, of_get_address(np, 0,
+ NULL, NULL));
+ of_node_put(np);
+ sdram_ecc_addr = (unsigned long)sdram_addr + prv->ecc_en_ofst;
+ arm_smccc_smc(INTEL_SIP_SMC_REG_READ, sdram_ecc_addr,
+ 0, 0, 0, 0, 0, 0, &result);
+ read_reg = (unsigned int)result.a1;
+ ret = (int)result.a0;
+ if (!ret && (read_reg & prv->ecc_enable_mask))
+ return 0;
+
+sdram_err:
+ edac_printk(KERN_ERR, EDAC_DEVICE,
+ "%s: No ECC present or ECC disabled.\n",
+ device->edac_dev_name);
+ return -ENODEV;
+}
+
static const struct edac_device_prv_data s10_sdramecc_data = {
- .setup = altr_check_ecc_deps,
+ .setup = altr_s10_sdram_check_ecc_deps,
.ce_clear_mask = ALTR_S10_ECC_SERRPENA,
.ue_clear_mask = ALTR_S10_ECC_DERRPENA,
.ecc_enable_mask = ALTR_S10_ECC_EN,
diff --git a/drivers/edac/edac_device_sysfs.c b/drivers/edac/edac_device_sysfs.c
index 5e7593753799..9a61d92bdf42 100644
--- a/drivers/edac/edac_device_sysfs.c
+++ b/drivers/edac/edac_device_sysfs.c
@@ -163,13 +163,14 @@ CTL_INFO_ATTR(poll_msec, S_IRUGO | S_IWUSR,
edac_device_ctl_poll_msec_show, edac_device_ctl_poll_msec_store);
/* Base Attributes of the EDAC_DEVICE ECC object */
-static struct ctl_info_attribute *device_ctrl_attr[] = {
- &attr_ctl_info_panic_on_ue,
- &attr_ctl_info_log_ue,
- &attr_ctl_info_log_ce,
- &attr_ctl_info_poll_msec,
+static struct attribute *device_ctrl_attrs[] = {
+ &attr_ctl_info_panic_on_ue.attr,
+ &attr_ctl_info_log_ue.attr,
+ &attr_ctl_info_log_ce.attr,
+ &attr_ctl_info_poll_msec.attr,
NULL,
};
+ATTRIBUTE_GROUPS(device_ctrl);
/*
* edac_device_ctrl_master_release
@@ -217,7 +218,7 @@ static void edac_device_ctrl_master_release(struct kobject *kobj)
static struct kobj_type ktype_device_ctrl = {
.release = edac_device_ctrl_master_release,
.sysfs_ops = &device_ctl_info_ops,
- .default_attrs = (struct attribute **)device_ctrl_attr,
+ .default_groups = device_ctrl_groups,
};
/*
@@ -389,17 +390,18 @@ INSTANCE_ATTR(ce_count, S_IRUGO, instance_ce_count_show, NULL);
INSTANCE_ATTR(ue_count, S_IRUGO, instance_ue_count_show, NULL);
/* list of edac_dev 'instance' attributes */
-static struct instance_attribute *device_instance_attr[] = {
- &attr_instance_ce_count,
- &attr_instance_ue_count,
+static struct attribute *device_instance_attrs[] = {
+ &attr_instance_ce_count.attr,
+ &attr_instance_ue_count.attr,
NULL,
};
+ATTRIBUTE_GROUPS(device_instance);
/* The 'ktype' for each edac_dev 'instance' */
static struct kobj_type ktype_instance_ctrl = {
.release = edac_device_ctrl_instance_release,
.sysfs_ops = &device_instance_ops,
- .default_attrs = (struct attribute **)device_instance_attr,
+ .default_groups = device_instance_groups,
};
/* edac_dev -> instance -> block information */
@@ -487,17 +489,18 @@ BLOCK_ATTR(ce_count, S_IRUGO, block_ce_count_show, NULL);
BLOCK_ATTR(ue_count, S_IRUGO, block_ue_count_show, NULL);
/* list of edac_dev 'block' attributes */
-static struct edac_dev_sysfs_block_attribute *device_block_attr[] = {
- &attr_block_ce_count,
- &attr_block_ue_count,
+static struct attribute *device_block_attrs[] = {
+ &attr_block_ce_count.attr,
+ &attr_block_ue_count.attr,
NULL,
};
+ATTRIBUTE_GROUPS(device_block);
/* The 'ktype' for each edac_dev 'block' */
static struct kobj_type ktype_block_ctrl = {
.release = edac_device_ctrl_block_release,
.sysfs_ops = &device_block_ops,
- .default_attrs = (struct attribute **)device_block_attr,
+ .default_groups = device_block_groups,
};
/* block ctor/dtor code */
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index f5677d81bd2d..d2715774af6f 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -213,12 +213,12 @@ void *edac_align_ptr(void **p, unsigned int size, int n_elems)
else if (size > sizeof(char))
align = sizeof(short);
else
- return (char *)ptr;
+ return ptr;
r = (unsigned long)ptr % align;
if (r == 0)
- return (char *)ptr;
+ return ptr;
*p += align - r;
diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
index 53042af7262e..888d5728ecef 100644
--- a/drivers/edac/edac_pci_sysfs.c
+++ b/drivers/edac/edac_pci_sysfs.c
@@ -135,17 +135,18 @@ INSTANCE_ATTR(pe_count, S_IRUGO, instance_pe_count_show, NULL);
INSTANCE_ATTR(npe_count, S_IRUGO, instance_npe_count_show, NULL);
/* pci instance attributes */
-static struct instance_attribute *pci_instance_attr[] = {
- &attr_instance_pe_count,
- &attr_instance_npe_count,
+static struct attribute *pci_instance_attrs[] = {
+ &attr_instance_pe_count.attr,
+ &attr_instance_npe_count.attr,
NULL
};
+ATTRIBUTE_GROUPS(pci_instance);
/* the ktype for a pci instance */
static struct kobj_type ktype_pci_instance = {
.release = edac_pci_instance_release,
.sysfs_ops = &pci_instance_ops,
- .default_attrs = (struct attribute **)pci_instance_attr,
+ .default_groups = pci_instance_groups,
};
/*
@@ -292,15 +293,16 @@ EDAC_PCI_ATTR(pci_parity_count, S_IRUGO, edac_pci_int_show, NULL);
EDAC_PCI_ATTR(pci_nonparity_count, S_IRUGO, edac_pci_int_show, NULL);
/* Base Attributes of the memory ECC object */
-static struct edac_pci_dev_attribute *edac_pci_attr[] = {
- &edac_pci_attr_check_pci_errors,
- &edac_pci_attr_edac_pci_log_pe,
- &edac_pci_attr_edac_pci_log_npe,
- &edac_pci_attr_edac_pci_panic_on_pe,
- &edac_pci_attr_pci_parity_count,
- &edac_pci_attr_pci_nonparity_count,
+static struct attribute *edac_pci_attrs[] = {
+ &edac_pci_attr_check_pci_errors.attr,
+ &edac_pci_attr_edac_pci_log_pe.attr,
+ &edac_pci_attr_edac_pci_log_npe.attr,
+ &edac_pci_attr_edac_pci_panic_on_pe.attr,
+ &edac_pci_attr_pci_parity_count.attr,
+ &edac_pci_attr_pci_nonparity_count.attr,
NULL,
};
+ATTRIBUTE_GROUPS(edac_pci);
/*
* edac_pci_release_main_kobj
@@ -327,7 +329,7 @@ static void edac_pci_release_main_kobj(struct kobject *kobj)
static struct kobj_type ktype_edac_pci_main_kobj = {
.release = edac_pci_release_main_kobj,
.sysfs_ops = &edac_pci_sysfs_ops,
- .default_attrs = (struct attribute **)edac_pci_attr,
+ .default_groups = edac_pci_groups,
};
/**