diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries')
| -rw-r--r-- | arch/powerpc/platforms/pseries/eeh_pseries.c | 51 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/hotplug-cpu.c | 7 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/hotplug-memory.c | 15 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/iommu.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/msi.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/ras.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/setup.c | 5 |
7 files changed, 56 insertions, 32 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c index a6c7e19f5eb3..5c80e02a346c 100644 --- a/arch/powerpc/platforms/pseries/eeh_pseries.c +++ b/arch/powerpc/platforms/pseries/eeh_pseries.c @@ -642,29 +642,50 @@ static int pseries_eeh_configure_bridge(struct eeh_pe *pe) { int config_addr; int ret; + /* Waiting 0.2s maximum before skipping configuration */ + int max_wait = 200; /* Figure out the PE address */ config_addr = pe->config_addr; if (pe->addr) config_addr = pe->addr; - /* Use new configure-pe function, if supported */ - if (ibm_configure_pe != RTAS_UNKNOWN_SERVICE) { - ret = rtas_call(ibm_configure_pe, 3, 1, NULL, - config_addr, BUID_HI(pe->phb->buid), - BUID_LO(pe->phb->buid)); - } else if (ibm_configure_bridge != RTAS_UNKNOWN_SERVICE) { - ret = rtas_call(ibm_configure_bridge, 3, 1, NULL, - config_addr, BUID_HI(pe->phb->buid), - BUID_LO(pe->phb->buid)); - } else { - return -EFAULT; - } + while (max_wait > 0) { + /* Use new configure-pe function, if supported */ + if (ibm_configure_pe != RTAS_UNKNOWN_SERVICE) { + ret = rtas_call(ibm_configure_pe, 3, 1, NULL, + config_addr, BUID_HI(pe->phb->buid), + BUID_LO(pe->phb->buid)); + } else if (ibm_configure_bridge != RTAS_UNKNOWN_SERVICE) { + ret = rtas_call(ibm_configure_bridge, 3, 1, NULL, + config_addr, BUID_HI(pe->phb->buid), + BUID_LO(pe->phb->buid)); + } else { + return -EFAULT; + } - if (ret) - pr_warn("%s: Unable to configure bridge PHB#%d-PE#%x (%d)\n", - __func__, pe->phb->global_number, pe->addr, ret); + if (!ret) + return ret; + + /* + * If RTAS returns a delay value that's above 100ms, cut it + * down to 100ms in case firmware made a mistake. For more + * on how these delay values work see rtas_busy_delay_time + */ + if (ret > RTAS_EXTENDED_DELAY_MIN+2 && + ret <= RTAS_EXTENDED_DELAY_MAX) + ret = RTAS_EXTENDED_DELAY_MIN+2; + + max_wait -= rtas_busy_delay_time(ret); + + if (max_wait < 0) + break; + + rtas_busy_delay(ret); + } + pr_warn("%s: Unable to configure bridge PHB#%d-PE#%x (%d)\n", + __func__, pe->phb->global_number, pe->addr, ret); return ret; } diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index 5c375f93c669..f30cf4d136a4 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -340,16 +340,17 @@ static void pseries_remove_processor(struct device_node *np) } static int pseries_smp_notifier(struct notifier_block *nb, - unsigned long action, void *node) + unsigned long action, void *data) { + struct of_reconfig_data *rd = data; int err = 0; switch (action) { case OF_RECONFIG_ATTACH_NODE: - err = pseries_add_processor(node); + err = pseries_add_processor(rd->dn); break; case OF_RECONFIG_DETACH_NODE: - pseries_remove_processor(node); + pseries_remove_processor(rd->dn); break; } return notifier_from_errno(err); diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index 3c4c0dcd90d3..1bbb78fab530 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -183,7 +183,7 @@ static int pseries_add_mem_node(struct device_node *np) return (ret < 0) ? -EINVAL : 0; } -static int pseries_update_drconf_memory(struct of_prop_reconfig *pr) +static int pseries_update_drconf_memory(struct of_reconfig_data *pr) { struct of_drconf_cell *new_drmem, *old_drmem; unsigned long memblock_size; @@ -232,22 +232,21 @@ static int pseries_update_drconf_memory(struct of_prop_reconfig *pr) } static int pseries_memory_notifier(struct notifier_block *nb, - unsigned long action, void *node) + unsigned long action, void *data) { - struct of_prop_reconfig *pr; + struct of_reconfig_data *rd = data; int err = 0; switch (action) { case OF_RECONFIG_ATTACH_NODE: - err = pseries_add_mem_node(node); + err = pseries_add_mem_node(rd->dn); break; case OF_RECONFIG_DETACH_NODE: - err = pseries_remove_mem_node(node); + err = pseries_remove_mem_node(rd->dn); break; case OF_RECONFIG_UPDATE_PROPERTY: - pr = (struct of_prop_reconfig *)node; - if (!strcmp(pr->prop->name, "ibm,dynamic-memory")) - err = pseries_update_drconf_memory(pr); + if (!strcmp(rd->prop->name, "ibm,dynamic-memory")) + err = pseries_update_drconf_memory(rd); break; } return notifier_from_errno(err); diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index e32e00976a94..3e5bfdafee63 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -1251,10 +1251,11 @@ static struct notifier_block iommu_mem_nb = { .notifier_call = iommu_mem_notifier, }; -static int iommu_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *node) +static int iommu_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *data) { int err = NOTIFY_OK; - struct device_node *np = node; + struct of_reconfig_data *rd = data; + struct device_node *np = rd->dn; struct pci_dn *pci = PCI_DN(np); struct direct_window *window; diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c index 8b909e94fd9a..691a154c286d 100644 --- a/arch/powerpc/platforms/pseries/msi.c +++ b/arch/powerpc/platforms/pseries/msi.c @@ -476,7 +476,7 @@ again: irq_set_msi_desc(virq, entry); /* Read config space back so we can restore after reset */ - __read_msi_msg(entry, &msg); + __pci_read_msi_msg(entry, &msg); entry->msg = msg; } diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c index 5a4d0fc03b03..d263f7bc80fc 100644 --- a/arch/powerpc/platforms/pseries/ras.c +++ b/arch/powerpc/platforms/pseries/ras.c @@ -187,7 +187,8 @@ static irqreturn_t ras_epow_interrupt(int irq, void *dev_id) int state; int critical; - status = rtas_get_sensor(EPOW_SENSOR_TOKEN, EPOW_SENSOR_INDEX, &state); + status = rtas_get_sensor_fast(EPOW_SENSOR_TOKEN, EPOW_SENSOR_INDEX, + &state); if (state > 3) critical = 1; /* Time Critical */ diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 125c589eeef5..ed8a90022a3d 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -251,9 +251,10 @@ static void __init pseries_discover_pic(void) " interrupt-controller\n"); } -static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *node) +static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *data) { - struct device_node *np = node; + struct of_reconfig_data *rd = data; + struct device_node *np = rd->dn; struct pci_dn *pci = NULL; int err = NOTIFY_OK; |