diff options
Diffstat (limited to 'drivers')
29 files changed, 306 insertions, 210 deletions
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index d14a48e75f1..019d8ffdde5 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -34,6 +34,13 @@ struct taskfile_array { u8 tfa[REGS_PER_GTF]; /* regs. 0x1f1 - 0x1f7 */ }; +/* + * Helper - belongs in the PCI layer somewhere eventually + */ +static int is_pci_dev(struct device *dev) +{ + return (dev->bus == &pci_bus_type); +} /** * sata_get_dev_handle - finds acpi_handle and PCI device.function @@ -53,6 +60,9 @@ static int sata_get_dev_handle(struct device *dev, acpi_handle *handle, struct pci_dev *pci_dev; acpi_integer addr; + if (!is_pci_dev(dev)) + return -ENODEV; + pci_dev = to_pci_dev(dev); /* NOTE: PCI-specific */ /* Please refer to the ACPI spec for the syntax of _ADR. */ addr = (PCI_SLOT(pci_dev->devfn) << 16) | PCI_FUNC(pci_dev->devfn); @@ -84,7 +94,12 @@ static int pata_get_dev_handle(struct device *dev, acpi_handle *handle, acpi_status status; struct acpi_device_info *dinfo = NULL; int ret = -ENODEV; - struct pci_dev *pdev = to_pci_dev(dev); + struct pci_dev *pdev; + + if (!is_pci_dev(dev)) + return -ENODEV; + + pdev = to_pci_dev(dev); bus = pdev->bus->number; devnum = PCI_SLOT(pdev->devfn); diff --git a/drivers/char/ds1286.c b/drivers/char/ds1286.c index 6d58b037080..59146e3365b 100644 --- a/drivers/char/ds1286.c +++ b/drivers/char/ds1286.c @@ -197,6 +197,7 @@ static int ds1286_ioctl(struct inode *inode, struct file *file, hrs = alm_tm.tm_hour; min = alm_tm.tm_min; + sec = alm_tm.tm_sec; if (hrs >= 24) hrs = 0xff; @@ -204,9 +205,11 @@ static int ds1286_ioctl(struct inode *inode, struct file *file, if (min >= 60) min = 0xff; - BIN_TO_BCD(sec); - BIN_TO_BCD(min); - BIN_TO_BCD(hrs); + if (sec != 0) + return -EINVAL; + + min = BIN2BCD(min); + min = BIN2BCD(hrs); spin_lock(&ds1286_lock); rtc_write(hrs, RTC_HOURS_ALARM); diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c index a44db75bc25..a905f782033 100644 --- a/drivers/connector/connector.c +++ b/drivers/connector/connector.c @@ -128,7 +128,7 @@ EXPORT_SYMBOL_GPL(cn_netlink_send); */ static int cn_call_callback(struct cn_msg *msg, void (*destruct_data)(void *), void *data) { - struct cn_callback_entry *__cbq; + struct cn_callback_entry *__cbq, *__new_cbq; struct cn_dev *dev = &cdev; int err = -ENODEV; @@ -148,27 +148,27 @@ static int cn_call_callback(struct cn_msg *msg, void (*destruct_data)(void *), v } else { struct cn_callback_data *d; - __cbq = kzalloc(sizeof(*__cbq), GFP_ATOMIC); - if (__cbq) { - d = &__cbq->data; + err = -ENOMEM; + __new_cbq = kzalloc(sizeof(struct cn_callback_entry), GFP_ATOMIC); + if (__new_cbq) { + d = &__new_cbq->data; d->callback_priv = msg; d->callback = __cbq->data.callback; d->ddata = data; d->destruct_data = destruct_data; - d->free = __cbq; + d->free = __new_cbq; - INIT_WORK(&__cbq->work, + INIT_WORK(&__new_cbq->work, &cn_queue_wrapper); - + if (queue_work(dev->cbdev->cn_queue, - &__cbq->work)) + &__new_cbq->work)) err = 0; else { - kfree(__cbq); + kfree(__new_cbq); err = -EINVAL; } - } else - err = -ENOMEM; + } } break; } diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index d441815a3e0..fde92ce4515 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1821,7 +1821,7 @@ static int cma_alloc_port(struct idr *ps, struct rdma_id_private *id_priv, struct rdma_bind_list *bind_list; int port, ret; - bind_list = kmalloc(sizeof *bind_list, GFP_KERNEL); + bind_list = kzalloc(sizeof *bind_list, GFP_KERNEL); if (!bind_list) return -ENOMEM; diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index b516b93b855..c859134c1da 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -266,7 +266,7 @@ static int ucma_event_handler(struct rdma_cm_id *cm_id, mutex_lock(&ctx->file->mut); if (event->event == RDMA_CM_EVENT_CONNECT_REQUEST) { if (!ctx->backlog) { - ret = -EDQUOT; + ret = -ENOMEM; kfree(uevent); goto out; } diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c index d737c738d87..818cf1aee8c 100644 --- a/drivers/infiniband/hw/cxgb3/cxio_hal.c +++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c @@ -36,6 +36,7 @@ #include <linux/sched.h> #include <linux/spinlock.h> #include <linux/pci.h> +#include <linux/dma-mapping.h> #include "cxio_resource.h" #include "cxio_hal.h" diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c index b21fde8b659..d0ed1d35ca3 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_cm.c +++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c @@ -305,8 +305,7 @@ static int status2errno(int status) */ static struct sk_buff *get_skb(struct sk_buff *skb, int len, gfp_t gfp) { - if (skb) { - BUG_ON(skb_cloned(skb)); + if (skb && !skb_is_nonlinear(skb) && !skb_cloned(skb)) { skb_trim(skb, 0); skb_get(skb); } else { @@ -1415,6 +1414,7 @@ static int peer_close(struct t3cdev *tdev, struct sk_buff *skb, void *ctx) wake_up(&ep->com.waitq); break; case FPDU_MODE: + start_ep_timer(ep); __state_set(&ep->com, CLOSING); attrs.next_state = IWCH_QP_STATE_CLOSING; iwch_modify_qp(ep->com.qp->rhp, ep->com.qp, @@ -1425,7 +1425,6 @@ static int peer_close(struct t3cdev *tdev, struct sk_buff *skb, void *ctx) disconnect = 0; break; case CLOSING: - start_ep_timer(ep); __state_set(&ep->com, MORIBUND); disconnect = 0; break; @@ -1487,8 +1486,10 @@ static int peer_abort(struct t3cdev *tdev, struct sk_buff *skb, void *ctx) case CONNECTING: break; case MPA_REQ_WAIT: + stop_ep_timer(ep); break; case MPA_REQ_SENT: + stop_ep_timer(ep); connect_reply_upcall(ep, -ECONNRESET); break; case MPA_REP_SENT: @@ -1507,9 +1508,10 @@ static int peer_abort(struct t3cdev *tdev, struct sk_buff *skb, void *ctx) get_ep(&ep->com); break; case MORIBUND: + case CLOSING: stop_ep_timer(ep); + /*FALLTHROUGH*/ case FPDU_MODE: - case CLOSING: if (ep->com.cm_id && ep->com.qp) { attrs.next_state = IWCH_QP_STATE_ERROR; ret = iwch_modify_qp(ep->com.qp->rhp, @@ -1570,7 +1572,6 @@ static int close_con_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx) spin_lock_irqsave(&ep->com.lock, flags); switch (ep->com.state) { case CLOSING: - start_ep_timer(ep); __state_set(&ep->com, MORIBUND); break; case MORIBUND: @@ -1586,6 +1587,8 @@ static int close_con_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx) __state_set(&ep->com, DEAD); release = 1; break; + case ABORTING: + break; case DEAD: default: BUG_ON(1); @@ -1659,6 +1662,7 @@ static void ep_timeout(unsigned long arg) break; case MPA_REQ_WAIT: break; + case CLOSING: case MORIBUND: if (ep->com.cm_id && ep->com.qp) { attrs.next_state = IWCH_QP_STATE_ERROR; @@ -1687,12 +1691,11 @@ int iwch_reject_cr(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len) return -ECONNRESET; } BUG_ON(state_read(&ep->com) != MPA_REQ_RCVD); - state_set(&ep->com, CLOSING); if (mpa_rev == 0) abort_connection(ep, NULL, GFP_KERNEL); else { err = send_mpa_reject(ep, pdata, pdata_len); - err = send_halfclose(ep, GFP_KERNEL); + err = iwch_ep_disconnect(ep, 0, GFP_KERNEL); } return 0; } @@ -1957,11 +1960,11 @@ int iwch_ep_disconnect(struct iwch_ep *ep, int abrupt, gfp_t gfp) case MPA_REQ_RCVD: case MPA_REP_SENT: case FPDU_MODE: + start_ep_timer(ep); ep->com.state = CLOSING; close = 1; break; case CLOSING: - start_ep_timer(ep); ep->com.state = MORIBUND; close = 1; break; diff --git a/drivers/infiniband/hw/cxgb3/iwch_ev.c b/drivers/infiniband/hw/cxgb3/iwch_ev.c index 54362afbf72..b40676662a8 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_ev.c +++ b/drivers/infiniband/hw/cxgb3/iwch_ev.c @@ -47,12 +47,6 @@ static void post_qp_event(struct iwch_dev *rnicp, struct iwch_cq *chp, struct iwch_qp_attributes attrs; struct iwch_qp *qhp; - printk(KERN_ERR "%s - AE qpid 0x%x opcode %d status 0x%x " - "type %d wrid.hi 0x%x wrid.lo 0x%x \n", __FUNCTION__, - CQE_QPID(rsp_msg->cqe), CQE_OPCODE(rsp_msg->cqe), - CQE_STATUS(rsp_msg->cqe), CQE_TYPE(rsp_msg->cqe), - CQE_WRID_HI(rsp_msg->cqe), CQE_WRID_LOW(rsp_msg->cqe)); - spin_lock(&rnicp->lock); qhp = get_qhp(rnicp, CQE_QPID(rsp_msg->cqe)); @@ -73,6 +67,12 @@ static void post_qp_event(struct iwch_dev *rnicp, struct iwch_cq *chp, return; } + printk(KERN_ERR "%s - AE qpid 0x%x opcode %d status 0x%x " + "type %d wrid.hi 0x%x wrid.lo 0x%x \n", __FUNCTION__, + CQE_QPID(rsp_msg->cqe), CQE_OPCODE(rsp_msg->cqe), + CQE_STATUS(rsp_msg->cqe), CQE_TYPE(rsp_msg->cqe), + CQE_WRID_HI(rsp_msg->cqe), CQE_WRID_LOW(rsp_msg->cqe)); + atomic_inc(&qhp->refcnt); spin_unlock(&rnicp->lock); diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index 9947a144a92..f2774ae906b 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -331,6 +331,7 @@ static int iwch_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) int ret = 0; struct iwch_mm_entry *mm; struct iwch_ucontext *ucontext; + u64 addr; PDBG("%s pgoff 0x%lx key 0x%x len %d\n", __FUNCTION__, vma->vm_pgoff, key, len); @@ -345,10 +346,11 @@ static int iwch_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) mm = remove_mmap(ucontext, key, len); if (!mm) return -EINVAL; + addr = mm->addr; kfree(mm); - if ((mm->addr >= rdev_p->rnic_info.udbell_physbase) && - (mm->addr < (rdev_p->rnic_info.udbell_physbase + + if ((addr >= rdev_p->rnic_info.udbell_physbase) && + (addr < (rdev_p->rnic_info.udbell_physbase + rdev_p->rnic_info.udbell_len))) { /* @@ -362,7 +364,7 @@ static int iwch_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND; vma->vm_flags &= ~VM_MAYREAD; ret = io_remap_pfn_range(vma, vma->vm_start, - mm->addr >> PAGE_SHIFT, + addr >> PAGE_SHIFT, len, vma->vm_page_prot); } else { @@ -370,7 +372,7 @@ static int iwch_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) * Map WQ or CQ contig dma memory... */ ret = remap_pfn_range(vma, vma->vm_start, - mm->addr >> PAGE_SHIFT, + addr >> PAGE_SHIFT, len, vma->vm_page_prot); } @@ -463,9 +465,6 @@ static struct ib_mr *iwch_register_phys_mem(struct ib_pd *pd, php = to_iwch_pd(pd); rhp = php->rhp; - acc = iwch_convert_access(acc); - - mhp = kzalloc(sizeof(*mhp), GFP_KERNEL); if (!mhp) return ERR_PTR(-ENOMEM); @@ -491,12 +490,7 @@ static struct ib_mr *iwch_register_phys_mem(struct ib_pd *pd, mhp->attr.pdid = php->pdid; mhp->attr.zbva = 0; - /* NOTE: TPT perms are backwards from BIND WR perms! */ - mhp->attr.perms = (acc & 0x1) << 3; - mhp->attr.perms |= (acc & 0x2) << 1; - mhp->attr.perms |= (acc & 0x4) >> 1; - mhp->attr.perms |= (acc & 0x8) >> 3; - + mhp->attr.perms = iwch_ib_to_tpt_access(acc); mhp->attr.va_fbo = *iova_start; mhp->attr.page_size = shift - 12; @@ -525,7 +519,6 @@ static int iwch_reregister_phys_mem(struct ib_mr *mr, struct iwch_mr mh, *mhp; struct iwch_pd *php; struct iwch_dev *rhp; - int new_acc; __be64 *page_list = NULL; int shift = 0; u64 total_size; @@ -546,14 +539,12 @@ static int iwch_reregister_phys_mem(struct ib_mr *mr, if (rhp != php->rhp) return -EINVAL; - new_acc = mhp->attr.perms; - memcpy(&mh, mhp, sizeof *mhp); if (mr_rereg_mask & IB_MR_REREG_PD) php = to_iwch_pd(pd); if (mr_rereg_mask & IB_MR_REREG_ACCESS) - mh.attr.perms = iwch_convert_access(acc); + mh.attr.perms = iwch_ib_to_tpt_access(acc); if (mr_rereg_mask & IB_MR_REREG_TRANS) ret = build_phys_page_list(buffer_list, num_phys_buf, iova_start, @@ -568,7 +559,7 @@ static int iwch_reregister_phys_mem(struct ib_mr *mr, if (mr_rereg_mask & IB_MR_REREG_PD) mhp->attr.pdid = php->pdid; if (mr_rereg_mask & IB_MR_REREG_ACCESS) - mhp->attr.perms = acc; + mhp->attr.perms = iwch_ib_to_tpt_access(acc); if (mr_rereg_mask & IB_MR_REREG_TRANS) { mhp->attr.zbva = 0; mhp->attr.va_fbo = *iova_start; @@ -613,8 +604,6 @@ static struct ib_mr *iwch_reg_user_mr(struct ib_pd *pd, struct ib_umem *region, goto err; } - acc = iwch_convert_access(acc); - i = n = 0; list_for_each_entry(chunk, ®ion->chunk_list, list) @@ -630,10 +619,7 @@ static struct ib_mr *iwch_reg_user_mr(struct ib_pd *pd, struct ib_umem *region, mhp->rhp = rhp; mhp->attr.pdid = php->pdid; mhp->attr.zbva = 0; - mhp->attr.perms = (acc & 0x1) << 3; - mhp->attr.perms |= (acc & 0x2) << 1; - mhp->attr.perms |= (acc & 0x4) >> 1; - mhp->attr.perms |= (acc & 0x8) >> 3; + mhp->attr.perms = iwch_ib_to_tpt_access(acc); mhp->attr.va_fbo = region->virt_base; mhp->attr.page_size = shift - 12; mhp->attr.len = (u32) region->length; @@ -736,10 +722,8 @@ static int iwch_destroy_qp(struct ib_qp *ib_qp) qhp = to_iwch_qp(ib_qp); rhp = qhp->rhp; - if (qhp->attr.state == IWCH_QP_STATE_RTS) { - attrs.next_state = IWCH_QP_STATE_ERROR; - iwch_modify_qp(rhp, qhp, IWCH_QP_ATTR_NEXT_STATE, &attrs, 0); - } + attrs.next_state = IWCH_QP_STATE_ERROR; + iwch_modify_qp(rhp, qhp, IWCH_QP_ATTR_NEXT_STATE, &attrs, 0); wait_event(qhp->wait, !qhp->ep); remove_handle(rhp, &rhp->qpidr, qhp->wq.qpid); diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.h b/drivers/infiniband/hw/cxgb3/iwch_provider.h index de0fe1b93a0..93bcc56756b 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.h +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.h @@ -286,27 +286,20 @@ static inline int iwch_convert_state(enum ib_qp_state ib_state) } } -enum iwch_mem_perms { - IWCH_MEM_ACCESS_LOCAL_READ = 1 << 0, - IWCH_MEM_ACCESS_LOCAL_WRITE = 1 << 1, - IWCH_MEM_ACCESS_REMOTE_READ = 1 << 2, - IWCH_MEM_ACCESS_REMOTE_WRITE = 1 << 3, - IWCH_MEM_ACCESS_ATOMICS = 1 << 4, - IWCH_MEM_ACCESS_BINDING = 1 << 5, - IWCH_MEM_ACCESS_LOCAL = - (IWCH_MEM_ACCESS_LOCAL_READ | IWCH_MEM_ACCESS_LOCAL_WRITE), - IWCH_MEM_ACCESS_REMOTE = - (IWCH_MEM_ACCESS_REMOTE_WRITE | IWCH_MEM_ACCESS_REMOTE_READ) - /* cannot go beyond 1 << 31 */ -} __attribute__ ((packed)); - -static inline u32 iwch_convert_access(int acc) +static inline u32 iwch_ib_to_tpt_access(int acc) { - return (acc & IB_ACCESS_REMOTE_WRITE ? IWCH_MEM_ACCESS_REMOTE_WRITE : 0) - | (acc & IB_ACCESS_REMOTE_READ ? IWCH_MEM_ACCESS_REMOTE_READ : 0) | - (acc & IB_ACCESS_LOCAL_WRITE ? IWCH_MEM_ACCESS_LOCAL_WRITE : 0) | - (acc & IB_ACCESS_MW_BIND ? IWCH_MEM_ACCESS_BINDING : 0) | - IWCH_MEM_ACCESS_LOCAL_READ; + return (acc & IB_ACCESS_REMOTE_WRITE ? TPT_REMOTE_WRITE : 0) | + (acc & IB_ACCESS_REMOTE_READ ? TPT_REMOTE_READ : 0) | + (acc & IB_ACCESS_LOCAL_WRITE ? TPT_LOCAL_WRITE : 0) | + TPT_LOCAL_READ; +} + +static inline u32 iwch_ib_to_mwbind_access(int acc) +{ + return (acc & IB_ACCESS_REMOTE_WRITE ? T3_MEM_ACCESS_REM_WRITE : 0) | + (acc & IB_ACCESS_REMOTE_READ ? T3_MEM_ACCESS_REM_READ : 0) | + (acc & IB_ACCESS_LOCAL_WRITE ? T3_MEM_ACCESS_LOCAL_WRITE : 0) | + T3_MEM_ACCESS_LOCAL_READ; } enum iwch_mmid_state { diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c index 9ea00cc4a5f..0a472c9b44d 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_qp.c +++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c @@ -439,7 +439,7 @@ int iwch_bind_mw(struct ib_qp *qp, wqe->bind.type = T3_VA_BASED_TO; /* TBD: check perms */ - wqe->bind.perms = iwch_convert_access(mw_bind->mw_access_flags); + wqe->bind.perms = iwch_ib_to_mwbind_access(mw_bind->mw_access_flags); wqe->bind.mr_stag = cpu_to_be32(mw_bind->mr->lkey); wqe->bind.mw_stag = cpu_to_be32(mw->rkey); wqe->bind.mw_len = cpu_to_be32(mw_bind->length); diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h index 40404c9e281..82ded44c6ce 100644 --- a/drivers/infiniband/hw/ehca/ehca_classes.h +++ b/drivers/infiniband/hw/ehca/ehca_classes.h @@ -52,6 +52,8 @@ struct ehca_mw; struct ehca_pd; struct ehca_av; +#include <linux/wait.h> + #include <rdma/ib_verbs.h> #include <rdma/ib_user_verbs.h> @@ -153,7 +155,9 @@ struct ehca_cq { spinlock_t cb_lock; struct hlist_head qp_hashtab[QP_HASHTAB_LEN]; struct list_head entry; - u32 nr_callbacks; + u32 nr_callbacks; /* #events assigned to cpu by scaling code */ + u32 nr_events; /* #events seen */ + wait_queue_head_t wait_completion; spinlock_t task_lock; u32 ownpid; /* mmap counter for resources mapped into user space */ diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c index 6ebfa27e4e1..e2cdc1a16fe 100644 --- a/drivers/infiniband/hw/ehca/ehca_cq.c +++ b/drivers/infiniband/hw/ehca/ehca_cq.c @@ -146,6 +146,7 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, spin_lock_init(&my_cq->spinlock); spin_lock_init(&my_cq->cb_lock); spin_lock_init(&my_cq->task_lock); + init_waitqueue_head(&my_cq->wait_completion); my_cq->ownpid = current->tgid; cq = &my_cq->ib_cq; @@ -302,6 +303,16 @@ create_cq_exit1: return cq; } +static int get_cq_nr_events(struct ehca_cq *my_cq) +{ + int ret; + unsigned long flags; + spin_lock_irqsave(&ehca_cq_idr_lock, flags); + ret = my_cq->nr_events; + spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); + return ret; +} + int ehca_destroy_cq(struct ib_cq *cq) { u64 h_ret; @@ -329,10 +340,11 @@ int ehca_destroy_cq(struct ib_cq *cq) } spin_lock_irqsave(&ehca_cq_idr_lock, flags); - while (my_cq->nr_callbacks) { + while (my_cq->nr_events) { spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); - yield(); + wait_event(my_cq->wait_completion, !get_cq_nr_events(my_cq)); spin_lock_irqsave(&ehca_cq_idr_lock, flags); + /* recheck nr_events to assure no cqe has just arrived */ } idr_remove(&ehca_cq_idr, my_cq->token); diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c index 3ec53c687d0..20f36bf8b2b 100644 --- a/drivers/infiniband/hw/ehca/ehca_irq.c +++ b/drivers/infiniband/hw/ehca/ehca_irq.c @@ -404,10 +404,11 @@ static inline void process_eqe(struct ehca_shca *shca, struct ehca_eqe *eqe) u32 token; unsigned long flags; struct ehca_cq *cq; + eqe_value = eqe->entry; ehca_dbg(&shca->ib_device, "eqe_value=%lx", eqe_value); if (EHCA_BMASK_GET(EQE_COMPLETION_EVENT, eqe_value)) { - ehca_dbg(&shca->ib_device, "... completion event"); + ehca_dbg(&shca->ib_device, "Got completion event"); token = EHCA_BMASK_GET(EQE_CQ_TOKEN, eqe_value); spin_lock_irqsave(&ehca_cq_idr_lock, flags); cq = idr_find(&ehca_cq_idr, token); @@ -419,16 +420,20 @@ static inline void process_eqe(struct ehca_shca *shca, struct ehca_eqe *eqe) return; } reset_eq_pending(cq); - if (ehca_scaling_code) { + cq->nr_events++; + spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); + if (ehca_scaling_code) queue_comp_task(cq); - spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); - } else { - spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); + else { comp_event_callback(cq); + spin_lock_irqsave(&ehca_cq_idr_lock, flags); + cq->nr_events--; + if (!cq->nr_events) + wake_up(&cq->wait_completion); + spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); } } else { - ehca_dbg(&shca->ib_device, - "Got non completion event"); + ehca_dbg(&shca->ib_device, "Got non completion event"); parse_identifier(shca, eqe_value); } } @@ -478,6 +483,7 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq) "token=%x", token); continue; } + eqe_cache[eqe_cnt].cq->nr_events++; spin_unlock(&ehca_cq_idr_lock); } else eqe_cache[eqe_cnt].cq = NULL; @@ -504,12 +510,18 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq) /* call completion handler for cached eqes */ for (i = 0; i < eqe_cnt; i++) if (eq->eqe_cache[i].cq) { - if (ehca_scaling_code) { - spin_lock(&ehca_cq_idr_lock); + if (ehca_scaling_code) queue_comp_task(eq->eqe_cache[i].cq); - spin_unlock(&ehca_cq_idr_lock); - } else - comp_event_callback(eq->eqe_cache[i].cq); + else { + struct ehca_cq *cq = eq->eqe_cache[i].cq; + comp_event_callback(cq); + spin_lock_irqsave(&ehca_cq_idr_lock, flags); + cq->nr_events--; + if (!cq->nr_events) + wake_up(&cq->wait_completion); + spin_unlock_irqrestore(&ehca_cq_idr_lock, + flags); + } } else { ehca_dbg(&shca->ib_device, "Got non completion event"); parse_identifier(shca, eq->eqe_cache[i].eqe->entry); @@ -523,7 +535,6 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq) if (!eqe) break; process_eqe(shca, eqe); - eqe_cnt++; } while (1); unlock_irq_spinlock: @@ -567,8 +578,7 @@ static void __queue_comp_task(struct ehca_cq *__cq, list_add_tail(&__cq->entry, &cct->cq_list); cct->cq_jobs++; wake_up(&cct->wait_queue); - } - else + } else __cq->nr_callbacks++; spin_unlock(&__cq->task_lock); @@ -577,18 +587,21 @@ static void __queue_comp_task(struct ehca_cq *__cq, static void queue_comp_task(struct ehca_cq *__cq) { - int cpu; int cpu_id; struct ehca_cpu_comp_task *cct; + int cq_jobs; + unsigned long flags; - cpu = get_cpu(); cpu_id = find_next_online_cpu(pool); BUG_ON(!cpu_online(cpu_id)); cct = per_cpu_ptr(pool->cpu_comp_tasks, cpu_id); BUG_ON(!cct); - if (cct->cq_jobs > 0) { + spin_lock_irqsave(&cct->task_lock, flags); + cq_jobs = cct->cq_jobs; + spin_unlock_irqrestore(&cct->task_lock, flags); + if (cq_jobs > 0) { cpu_id = find_next_online_cpu(pool); cct = per_cpu_ptr(pool->cpu_comp_tasks, cpu_id); BUG_ON(!cct); @@ -608,11 +621,17 @@ static void run_comp_task(struct ehca_cpu_comp_task* cct) cq = list_entry(cct->cq_list.next, struct ehca_cq, entry); spin_unlock_irqrestore(&cct->task_lock, flags); comp_event_callback(cq); - spin_lock_irqsave(&cct->task_lock, flags); + spin_lock_irqsave(&ehca_cq_idr_lock, flags); + cq->nr_events--; + if (!cq->nr_events) + wake_up(&cq->wait_completion); + spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); + + spin_lock_irqsave(&cct->task_lock, flags); spin_lock(&cq->task_lock); cq->nr_callbacks--; - if (cq->nr_callbacks == 0) { + if (!cq->nr_callbacks) { list_del_init(cct->cq_list.next); cct->cq_jobs--; } diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c index c1835121a82..059da9628bb 100644 --- a/drivers/infiniband/hw/ehca/ehca_main.c +++ b/drivers/infiniband/hw/ehca/ehca_main.c @@ -52,7 +52,7 @@ MODULE_LICENSE("Dual BSD/GPL"); MODULE_AUTHOR("Christoph Raisch <raisch@de.ibm.com>"); MODULE_DESCRIPTION("IBM eServer HCA InfiniBand Device Driver"); -MODULE_VERSION("SVNEHCA_0021"); +MODULE_VERSION("SVNEHCA_0022"); int ehca_open_aqp1 = 0; int ehca_debug_level = 0; @@ -810,7 +810,7 @@ int __init ehca_module_init(void) int ret; printk(KERN_INFO "eHCA Infiniband Device Driver " - "(Rel.: SVNEHCA_0021)\n"); + "(Rel.: SVNEHCA_0022)\n"); idr_init(&ehca_qp_idr); idr_init(&ehca_cq_idr); spin_lock_init(&ehca_qp_idr_lock); diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index 71dc84bd425..1c6b63aca26 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -1088,21 +1088,21 @@ static void mthca_unmap_memfree(struct mthca_dev *dev, static int mthca_alloc_memfree(struct mthca_dev *dev, struct mthca_qp *qp) { - int ret = 0; - if (mthca_is_memfree(dev)) { qp->rq.db_index = mthca_alloc_db(dev, MTHCA_DB_TYPE_RQ, qp->qpn, &qp->rq.db); if (qp->rq.db_index < 0) - return ret; + return -ENOMEM; qp->sq.db_index = mthca_alloc_db(dev, MTHCA_DB_TYPE_SQ, qp->qpn, &qp->sq.db); - if (qp->sq.db_index < 0) + if (qp->sq.db_index < 0) { mthca_free_db(dev, MTHCA_DB_TYPE_RQ, qp->rq.db_index); + return -ENOMEM; + } } - return ret; + return 0; } static void mthca_free_memfree(struct mthca_dev *dev, diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index bb2e3d5eee2..56c87a81bb6 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -407,6 +407,10 @@ static int ipoib_mcast_join_complete(int status, queue_delayed_work(ipoib_workqueue, &priv->mcast_task, 0); mutex_unlock(&mcast_mutex); + + if (mcast == priv->broadcast) + netif_carrier_on(dev); + return 0; } @@ -594,7 +598,6 @@ void ipoib_mcast_join_task(struct work_struct *work) ipoib_dbg_mcast(priv, "successfully joined all multicast groups\n"); clear_bit(IPOIB_MCAST_RUN, &priv->flags); - netif_carrier_on(dev); } int ipoib_mcast_start_thread(struct net_device *dev) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c index 3cb551b8875..7f3ec205e35 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c @@ -259,12 +259,13 @@ void ipoib_event(struct ib_event_handler *handler, struct ipoib_dev_priv *priv = container_of(handler, struct ipoib_dev_priv, event_handler); - if (record->event == IB_EVENT_PORT_ERR || - record->event == IB_EVENT_PKEY_CHANGE || - record->event == IB_EVENT_PORT_ACTIVE || - record->event == IB_EVENT_LID_CHANGE || - record->event == IB_EVENT_SM_CHANGE || - record->event == IB_EVENT_CLIENT_REREGISTER) { + if ((record->event == IB_EVENT_PORT_ERR || + record->event == IB_EVENT_PKEY_CHANGE || + record->event == IB_EVENT_PORT_ACTIVE || + record->event == IB_EVENT_LID_CHANGE || + record->event == IB_EVENT_SM_CHANGE || + record->event == IB_EVENT_CLIENT_REREGISTER) && + record->element.port_num == priv->port) { ipoib_dbg(priv, "Port state change event\n"); queue_work(ipoib_workqueue, &priv->flush_task); } diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index ec195a36e8f..db9cca3b65e 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -553,7 +553,8 @@ static int __devinit i8042_check_aux(void) */ param = 0x5a; - if (i8042_command(¶m, I8042_CMD_AUX_LOOP) || param != 0x5a) { + retval = i8042_command(¶m, I8042_CMD_AUX_LOOP); + if (retval || param != 0x5a) { /* * External connection test - filters out AT-soldered PS/2 i8042's @@ -567,7 +568,12 @@ static int __devinit i8042_check_aux(void) (param && param != 0xfa && param != 0xff)) return -1; - aux_loop_broken = 1; +/* + * If AUX_LOOP completed without error but returned unexpected data + * mark it as broken + */ + if (!retval) + aux_loop_broken = 1; } /* diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c index 72995777f80..b406ecfa726 100644 --- a/drivers/net/3c59x.c +++ b/drivers/net/3c59x.c @@ -858,19 +858,7 @@ static struct eisa_device_id vortex_eisa_ids[] = { }; MODULE_DEVICE_TABLE(eisa, vortex_eisa_ids); -static int vortex_eisa_probe(struct device *device); -static int vortex_eisa_remove(struct device *device); - -static struct eisa_driver vortex_eisa_driver = { - .id_table = vortex_eisa_ids, - .driver = { - .name = "3c59x", - .probe = vortex_eisa_probe, - .remove = vortex_eisa_remove - } -}; - -static int vortex_eisa_probe(struct device *device) +static int __init vortex_eisa_probe(struct device *device) { void __iomem *ioaddr; struct eisa_device *edev; @@ -893,7 +881,7 @@ static int vortex_eisa_probe(struct device *device) return 0; } -static int vortex_eisa_remove(struct device *device) +static int __devexit vortex_eisa_remove(struct device *device) { struct eisa_device *edev; struct net_device *dev; @@ -918,7 +906,17 @@ static int vortex_eisa_remove(struct device *device) free_netdev(dev); return 0; } -#endif + +static struct eisa_driver vortex_eisa_driver = { + .id_table = vortex_eisa_ids, + .driver = { + .name = "3c59x", + .probe = vortex_eisa_probe, + .remove = __devexit_p(vortex_eisa_remove) + } +}; + +#endif /* CONFIG_EISA */ /* returns count found (>= 0), or negative on error */ static int __init vortex_eisa_init(void) diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 9ba21e0f27c..1ee27c360a4 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -787,6 +787,12 @@ static int mv643xx_eth_open(struct net_device *dev) unsigned int size; int err; + /* Clear any pending ethernet port interrupts */ + mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0); + mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0); + /* wait for previous write to complete */ + mv_read (MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num)); + err = request_irq(dev->irq, mv643xx_eth_int_handler, IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev); if (err) { @@ -875,10 +881,6 @@ static int mv643xx_eth_open(struct net_device *dev) mv643xx_eth_rx_refill_descs(dev); /* Fill RX ring with skb's */ - /* Clear any pending ethernet port interrupts */ - mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0); - mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0); - eth_port_start(dev); /* Interrupt Coalescing */ diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index b05dc6ed7fb..ac02b3b60f9 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -181,6 +181,7 @@ struct myri10ge_priv { int intr_coal_delay; __be32 __iomem *intr_coal_delay_ptr; int mtrr; + int wc_enabled; int wake_queue; int stop_queue; int down_cnt; @@ -717,6 +718,8 @@ static int myri10ge_reset(struct myri10ge_priv *mgp) int status; size_t bytes; u32 len; + struct page *dmatest_page; + dma_addr_t dmatest_bus; /* try to send a reset command to the card to see if it * is alive */ @@ -726,6 +729,11 @@ static int myri10ge_reset(struct myri10ge_priv *mgp) dev_err(&mgp->pdev->dev, "failed reset\n"); return -ENXIO; } + dmatest_page = alloc_page(GFP_KERNEL); + if (!dmatest_page) + return -ENOMEM; + dmatest_bus = pci_map_page(mgp->pdev, dmatest_page, 0, PAGE_SIZE, + DMA_BIDIRECTIONAL); /* Now exchange information about interrupts */ @@ -764,8 +772,8 @@ static int myri10ge_reset(struct myri10ge_priv *mgp) len = mgp->tx.boundary; - cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->rx_done.bus); - cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->rx_done.bus); + cmd.data0 = MYRI10GE_LOWPART_TO_U32(dmatest_bus); + cmd.data1 = MYRI10GE_HIGHPART_TO_U32(dmatest_bus); cmd.data2 = len * 0x10000; status = myri10ge_send_cmd(mgp, MXGEFW_DMA_TEST, &cmd, 0); if (status == 0) @@ -774,8 +782,8 @@ static int myri10ge_reset(struct myri10ge_priv *mgp) else dev_warn(&mgp->pdev->dev, "DMA read benchmark failed: %d\n", status); - cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->rx_done.bus); - cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->rx_done.bus); + cmd.data0 = MYRI10GE_LOWPART_TO_U32(dmatest_bus); + cmd.data1 = MYRI10GE_HIGHPART_TO_U32(dmatest_bus); cmd.data2 = len * 0x1; status = myri10ge_send_cmd(mgp, MXGEFW_DMA_TEST, &cmd, 0); if (status == 0) @@ -785,8 +793,8 @@ static int myri10ge_reset(struct myri10ge_priv *mgp) dev_warn(&mgp->pdev->dev, "DMA write benchmark failed: %d\n", status); - cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->rx_done.bus); - cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->rx_done.bus); + cmd.data0 = MYRI10GE_LOWPART_TO_U32(dmatest_bus); + cmd.data1 = MYRI10GE_HIGHPART_TO_U32(dmatest_bus); cmd.data2 = len * 0x10001; status = myri10ge_send_cmd(mgp, MXGEFW_DMA_TEST, &cmd, 0); if (status == 0) @@ -796,6 +804,9 @@ static int myri10ge_reset(struct myri10ge_priv *mgp) dev_warn(&mgp->pdev->dev, "DMA read/write benchmark failed: %d\n", status); + pci_unmap_page(mgp->pdev, dmatest_bus, PAGE_SIZE, DMA_BIDIRECTIONAL); + put_page(dmatest_page); + memset(mgp->rx_done.entry, 0, bytes); /* reset mcp/driver shared state back to 0 */ @@ -1375,7 +1386,7 @@ myri10ge_get_ethtool_stats(struct net_device *netdev, data[i] = ((unsigned long *)&mgp->stats)[i]; data[i++] = (unsigned int)mgp->tx.boundary; - data[i++] = (unsigned int)(mgp->mtrr >= 0); + data[i++] = (unsigned int)mgp->wc_enabled; data[i++] = (unsigned int)mgp->pdev->irq; data[i++] = (unsigned int)mgp->msi_enabled; data[i++] = (unsigned int)mgp->read_dma; @@ -1456,6 +1467,8 @@ static int myri10ge_allocate_rings(struct net_device *dev) status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_RING_SIZE, &cmd, 0); tx_ring_size = cmd.data0; status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_RX_RING_SIZE, &cmd, 0); + if (status != 0) + return status; rx_ring_size = cmd.data0; tx_ring_entries = tx_ring_size / sizeof(struct mcp_kreq_ether_send); @@ -1463,6 +1476,8 @@ static int myri10ge_allocate_rings(struct net_device *dev) mgp->tx.mask = tx_ring_entries - 1; mgp->rx_small.mask = mgp->rx_big.mask = rx_ring_entries - 1; + status = -ENOMEM; + /* allocate the host shadow rings */ bytes = 8 + (MYRI10GE_MAX_SEND_DESC_TSO + 4) @@ -1735,7 +1750,7 @@ static int myri10ge_open(struct net_device *dev) goto abort_with_irq; } - if (myri10ge_wcfifo && mgp->mtrr >= 0) { + if (myri10ge_wcfifo && mgp->wc_enabled) { mgp->tx.wc_fifo = (u8 __iomem *) mgp->sram + MXGEFW_ETH_SEND_4; mgp->rx_small.wc_fifo = (u8 __iomem *) mgp->sram + MXGEFW_ETH_RECV_SMALL; @@ -2510,6 +2525,12 @@ static void myri10ge_select_firmware(struct myri10ge_priv *mgp) bridge->vendor, bridge->device); mgp->tx.boundary = 4096; mgp->fw_name = myri10ge_fw_aligned; + } else if (bridge && + bridge->vendor == PCI_VENDOR_ID_SGI && + bridge->device == 0x4002 /* TIOCE pcie-port */ ) { + /* this pcie bridge does not support 4K rdma request */ + mgp->tx.boundary = 2048; + mgp->fw_name = myri10ge_fw_aligned; } } else { if (myri10ge_force_firmware == 1) { @@ -2830,9 +2851,12 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent) mgp->board_span = pci_resource_len(pdev, 0); mgp->iomem_base = pci_resource_start(pdev, 0); mgp->mtrr = -1; + mgp->wc_enabled = 0; #ifdef CONFIG_MTRR mgp->mtrr = mtrr_add(mgp->iomem_base, mgp->board_span, MTRR_TYPE_WRCOMB, 1); + if (mgp->mtrr >= 0) + mgp->wc_enabled = 1; #endif /* Hack. need to get rid of these magic numbers */ mgp->sram_size = @@ -2927,7 +2951,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent) dev_info(dev, "%s IRQ %d, tx bndry %d, fw %s, WC %s\n", (mgp->msi_enabled ? "MSI" : "xPIC"), netdev->irq, mgp->tx.boundary, mgp->fw_name, - (mgp->mtrr >= 0 ? "Enabled" : "Disabled")); + (mgp->wc_enabled ? "Enabled" : "Disabled")); return 0; diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index a2877f33fa8..1be55702557 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -228,7 +228,7 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) &adapter->ctx_desc_pdev); printk("ctx_desc_phys_addr: 0x%llx\n", - (u64) adapter->ctx_desc_phys_addr); + (unsigned long long) adapter->ctx_desc_phys_addr); if (addr == NULL) { DPRINTK(ERR, "bad return from pci_alloc_consistent\n"); err = -ENOMEM; @@ -247,7 +247,8 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) adapter->max_tx_desc_count, (dma_addr_t *) & hw->cmd_desc_phys_addr, &adapter->ahw.cmd_desc_pdev); - printk("cmd_desc_phys_addr: 0x%llx\n", (u64) hw->cmd_desc_phys_addr); + printk("cmd_desc_phys_addr: 0x%llx\n", + (unsigned long long) hw->cmd_desc_phys_addr); if (addr == NULL) { DPRINTK(ERR, "bad return from pci_alloc_consistent\n"); diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 15d954e50ca..521b5f0618a 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -572,8 +572,8 @@ static void rtl8169_xmii_reset_enable(void __iomem *ioaddr) { unsigned int val; - mdio_write(ioaddr, MII_BMCR, BMCR_RESET); - val = mdio_read(ioaddr, MII_BMCR); + val = mdio_read(ioaddr, MII_BMCR) | BMCR_RESET; + mdio_write(ioaddr, MII_BMCR, val & 0xffff); } static void rtl8169_check_link_status(struct net_device *dev, @@ -1368,11 +1368,7 @@ static inline void rtl8169_request_timer(struct net_device *dev) (tp->phy_version >= RTL_GIGA_PHY_VER_H)) return; - init_timer(timer); - timer->expires = jiffies + RTL8169_PHY_TIMEOUT; - timer->data = (unsigned long)(dev); - timer->function = rtl8169_phy_timer; - add_timer(timer); + mod_timer(timer, jiffies + RTL8169_PHY_TIMEOUT); } #ifdef CONFIG_NET_POLL_CONTROLLER @@ -1685,6 +1681,10 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) tp->mmio_addr = ioaddr; tp->align = rtl_cfg_info[ent->driver_data].align; + init_timer(&tp->timer); + tp->timer.data = (unsigned long) dev; + tp->timer.function = rtl8169_phy_timer; + spin_lock_init(&tp->lock); rc = register_netdev(dev); diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 53839979cfb..ab0ab92583f 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -2165,9 +2165,27 @@ force_update: /* fall through */ #endif case OP_RXCHKS: - skb = sky2->rx_ring[sky2->rx_next].skb; - skb->ip_summed = CHECKSUM_COMPLETE; - skb->csum = status & 0xffff; + if (!sky2->rx_csum) + break; + + /* Both checksum counters are programmed to start at + * the same offset, so unless there is a problem they + * should match. This failure is an early indication that + * hardware receive checksumming won't work. + */ + if (likely(status >> 16 == (status & 0xffff))) { + skb = sky2->rx_ring[sky2->rx_next].skb; + skb->ip_summed = CHECKSUM_COMPLETE; + skb->csum = status & 0xffff; + } else { + printk(KERN_NOTICE PFX "%s: hardware receive " + "checksum problem (status = %#x)\n", + dev->name, status); + sky2->rx_csum = 0; + sky2_write32(sky2->hw, + Q_ADDR(rxqaddr[le->link], Q_CSR), + BMU_DIS_RX_CHKSUM); + } break; case OP_TXINDEXLE: diff --git a/drivers/net/tokenring/ibmtr.c b/drivers/net/tokenring/ibmtr.c index 0d97e10ccac..36202e94ee9 100644 --- a/drivers/net/tokenring/ibmtr.c +++ b/drivers/net/tokenring/ibmtr.c @@ -186,7 +186,6 @@ static char __devinit *adapter_def(char type) #define TRC_INITV 0x02 /* verbose init trace points */ static unsigned char ibmtr_debug_trace = 0; -static int ibmtr_probe(struct net_device *dev); static int ibmtr_probe1(struct net_device *dev, int ioaddr); static unsigned char get_sram_size(struct tok_info *adapt_info); static int trdev_init(struct net_device *dev); @@ -335,17 +334,6 @@ static void ibmtr_cleanup_card(struct net_device *dev) #endif } -int ibmtr_probe_card(struct net_device *dev) -{ - int err = ibmtr_probe(dev); - if (!err) { - err = register_netdev(dev); - if (err) - ibmtr_cleanup_card(dev); - } - return err; -} - /**************************************************************************** * ibmtr_probe(): Routine specified in the network device structure * to probe for an IBM Token Ring Adapter. Routine outline: @@ -358,7 +346,7 @@ int ibmtr_probe_card(struct net_device *dev) * which references it. ****************************************************************************/ -static int ibmtr_probe(struct net_device *dev) +static int __init ibmtr_probe(struct net_device *dev) { int i; int base_addr = dev->base_addr; @@ -378,6 +366,17 @@ static int ibmtr_probe(struct net_device *dev) return -ENODEV; } +int __init ibmtr_probe_card(struct net_device *dev) +{ + int err = ibmtr_probe(dev); + if (!err) { + err = register_netdev(dev); + if (err) + ibmtr_cleanup_card(dev); + } + return err; +} + /*****************************************************************************/ static int __devinit ibmtr_probe1(struct net_device *dev, int PIOaddr) diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c index ebbda1d8f54..f3a972e74e9 100644 --- a/drivers/net/via-rhine.c +++ b/drivers/net/via-rhine.c @@ -30,8 +30,8 @@ */ #define DRV_NAME "via-rhine" -#define DRV_VERSION "1.4.2" -#define DRV_RELDATE "Sept-11-2006" +#define DRV_VERSION "1.4.3" +#define DRV_RELDATE "2007-03-06" /* A few user-configurable values. @@ -105,6 +105,7 @@ static const int multicast_filter_limit = 32; #include <asm/io.h> #include <asm/irq.h> #include <asm/uaccess.h> +#include <linux/dmi.h> /* These identify the driver base version and may not be removed. */ static char version[] __devinitdata = @@ -1995,6 +1996,23 @@ static struct pci_driver rhine_driver = { .shutdown = rhine_shutdown, }; +static struct dmi_system_id __initdata rhine_dmi_table[] = { + { + .ident = "EPIA-M", + .matches = { + DMI_MATCH(DMI_BIOS_VENDOR, "Award Software International, Inc."), + DMI_MATCH(DMI_BIOS_VERSION, "6.00 PG"), + }, + }, + { + .ident = "KV7", + .matches = { + DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies, LTD"), + DMI_MATCH(DMI_BIOS_VERSION, "6.00 PG"), + }, + }, + { NULL } +}; static int __init rhine_init(void) { @@ -2002,6 +2020,16 @@ static int __init rhine_init(void) #ifdef MODULE printk(version); #endif + if (dmi_check_system(rhine_dmi_table)) { + /* these BIOSes fail at PXE boot if chip is in D3 */ + avoid_D3 = 1; + printk(KERN_WARNING "%s: Broken BIOS detected, avoid_D3 " + "enabled.\n", + DRV_NAME); + } + else if (avoid_D3) + printk(KERN_INFO "%s: avoid_D3 set.\n", DRV_NAME); + return pci_register_driver(&rhine_driver); } diff --git a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c index 8dbcf83bb5f..8b4540bfc1b 100644 --- a/drivers/net/wan/z85230.c +++ b/drivers/net/wan/z85230.c @@ -407,7 +407,7 @@ static void z8530_tx(struct z8530_channel *c) while(c->txcount) { /* FIFO full ? */ if(!(read_zsreg(c, R0)&4)) - break; + return; c->txcount--; /* * Shovel out the byte diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c index 253ceb895ca..a27e9e92cb5 100644 --- a/drivers/serial/sn_console.c +++ b/drivers/serial/sn_console.c @@ -636,25 +636,6 @@ static irqreturn_t sn_sal_interrupt(int irq, void *dev_id) } /** - * sn_sal_connect_interrupt - Request interrupt, handled by sn_sal_interrupt - * @port: Our sn_cons_port (which contains the uart port) - * - * returns the console irq if interrupt is successfully registered, else 0 - * - */ -static int sn_sal_connect_interrupt(struct sn_cons_port *port) -{ - if (request_irq(SGI_UART_VECTOR, sn_sal_interrupt, - IRQF_DISABLED | IRQF_SHARED, - "SAL console driver", port) >= 0) { - return SGI_UART_VECTOR; - } - - printk(KERN_INFO "sn_console: console proceeding in polled mode\n"); - return 0; -} - -/** * sn_sal_timer_poll - this function handles polled console mode * @data: A pointer to our sn_cons_port (which contains the uart port) * @@ -746,30 +727,31 @@ static void __init sn_sal_switch_to_asynch(struct sn_cons_port *port) * mode. We were previously in asynch/polling mode (using init_timer). * * We attempt to switch to interrupt mode here by calling - * sn_sal_connect_interrupt. If that works out, we enable receive interrupts. + * request_irq. If that works out, we enable receive interrupts. */ static void __init sn_sal_switch_to_interrupts(struct sn_cons_port *port) { - int irq; unsigned long flags; - if (!port) - return; - - DPRINTF("sn_console: switching to interrupt driven console\n"); - - spin_lock_irqsave(&port->sc_port.lock, flags); + if (port) { + DPRINTF("sn_console: switching to interrupt driven console\n"); - irq = sn_sal_connect_interrupt(port); + if (request_irq(SGI_UART_VECTOR, sn_sal_interrupt, + IRQF_DISABLED | IRQF_SHARED, + "SAL console driver", port) >= 0) { + spin_lock_irqsave(&port->sc_port.lock, flags); + port->sc_port.irq = SGI_UART_VECTOR; + port->sc_ops = &intr_ops; - if (irq) { - port->sc_port.irq = irq; - port->sc_ops = &intr_ops; - - /* turn on receive interrupts */ - ia64_sn_console_intr_enable(SAL_CONSOLE_INTR_RECV); + /* turn on receive interrupts */ + ia64_sn_console_intr_enable(SAL_CONSOLE_INTR_RECV); + spin_unlock_irqrestore(&port->sc_port.lock, flags); + } + else { + printk(KERN_INFO + "sn_console: console proceeding in polled mode\n"); + } } - spin_unlock_irqrestore(&port->sc_port.lock, flags); } /* |