Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[linux-drm-fsl-dcu.git] / arch / powerpc / platforms / powernv / eeh-ioda.c
index 02245cee78183852d52f3a907023dcd9a63529bf..d7ddcee7feb8bc8084d18be32f348263c8de6e0e 100644 (file)
@@ -36,7 +36,6 @@
 #include "powernv.h"
 #include "pci.h"
 
-static char *hub_diag = NULL;
 static int ioda_eeh_nb_init = 0;
 
 static int ioda_eeh_event(struct notifier_block *nb,
@@ -140,15 +139,6 @@ static int ioda_eeh_post_init(struct pci_controller *hose)
                ioda_eeh_nb_init = 1;
        }
 
-       /* We needn't HUB diag-data on PHB3 */
-       if (phb->type == PNV_PHB_IODA1 && !hub_diag) {
-               hub_diag = (char *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
-               if (!hub_diag) {
-                       pr_err("%s: Out of memory !\n", __func__);
-                       return -ENOMEM;
-               }
-       }
-
 #ifdef CONFIG_DEBUG_FS
        if (phb->dbgfs) {
                debugfs_create_file("err_injct_outbound", 0600,
@@ -633,11 +623,10 @@ static void ioda_eeh_hub_diag_common(struct OpalIoP7IOCErrorData *data)
 static void ioda_eeh_hub_diag(struct pci_controller *hose)
 {
        struct pnv_phb *phb = hose->private_data;
-       struct OpalIoP7IOCErrorData *data;
+       struct OpalIoP7IOCErrorData *data = &phb->diag.hub_diag;
        long rc;
 
-       data = (struct OpalIoP7IOCErrorData *)ioda_eeh_hub_diag;
-       rc = opal_pci_get_hub_diag_data(phb->hub_id, data, PAGE_SIZE);
+       rc = opal_pci_get_hub_diag_data(phb->hub_id, data, sizeof(*data));
        if (rc != OPAL_SUCCESS) {
                pr_warning("%s: Failed to get HUB#%llx diag-data (%ld)\n",
                           __func__, phb->hub_id, rc);
@@ -820,14 +809,15 @@ static void ioda_eeh_phb_diag(struct pci_controller *hose)
        struct OpalIoPhbErrorCommon *common;
        long rc;
 
-       common = (struct OpalIoPhbErrorCommon *)phb->diag.blob;
-       rc = opal_pci_get_phb_diag_data2(phb->opal_id, common, PAGE_SIZE);
+       rc = opal_pci_get_phb_diag_data2(phb->opal_id, phb->diag.blob,
+                                        PNV_PCI_DIAG_BUF_SIZE);
        if (rc != OPAL_SUCCESS) {
                pr_warning("%s: Failed to get diag-data for PHB#%x (%ld)\n",
                            __func__, hose->global_number, rc);
                return;
        }
 
+       common = (struct OpalIoPhbErrorCommon *)phb->diag.blob;
        switch (common->ioType) {
        case OPAL_PHB_ERROR_DATA_TYPE_P7IOC:
                ioda_eeh_p7ioc_phb_diag(hose, common);