diff options
Diffstat (limited to 'drivers/infiniband/hw/nes/nes.c')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes.c | 289 |
1 files changed, 203 insertions, 86 deletions
diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c index b2112f5a422..3b2a6dc8ea9 100644 --- a/drivers/infiniband/hw/nes/nes.c +++ b/drivers/infiniband/hw/nes/nes.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2008 NetEffect, Inc. All rights reserved. + * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved. * * This software is available to you under a choice of one of two @@ -44,6 +44,7 @@ #include <linux/init.h> #include <linux/if_arp.h> #include <linux/highmem.h> +#include <linux/slab.h> #include <asm/io.h> #include <asm/irq.h> #include <asm/byteorder.h> @@ -65,61 +66,61 @@ MODULE_LICENSE("Dual BSD/GPL"); MODULE_VERSION(DRV_VERSION); int max_mtu = 9000; -int nics_per_function = 1; int interrupt_mod_interval = 0; - /* Interoperability */ int mpa_version = 1; -module_param(mpa_version, int, 0); +module_param(mpa_version, int, 0644); MODULE_PARM_DESC(mpa_version, "MPA version to be used int MPA Req/Resp (0 or 1)"); /* Interoperability */ int disable_mpa_crc = 0; -module_param(disable_mpa_crc, int, 0); +module_param(disable_mpa_crc, int, 0644); MODULE_PARM_DESC(disable_mpa_crc, "Disable checking of MPA CRC"); -unsigned int send_first = 0; -module_param(send_first, int, 0); -MODULE_PARM_DESC(send_first, "Send RDMA Message First on Active Connection"); - - -unsigned int nes_drv_opt = 0; -module_param(nes_drv_opt, int, 0); +unsigned int nes_drv_opt = NES_DRV_OPT_DISABLE_INT_MOD | NES_DRV_OPT_ENABLE_PAU; +module_param(nes_drv_opt, int, 0644); MODULE_PARM_DESC(nes_drv_opt, "Driver option parameters"); unsigned int nes_debug_level = 0; module_param_named(debug_level, nes_debug_level, uint, 0644); MODULE_PARM_DESC(debug_level, "Enable debug output level"); +unsigned int wqm_quanta = 0x10000; +module_param(wqm_quanta, int, 0644); +MODULE_PARM_DESC(wqm_quanta, "WQM quanta"); + +static bool limit_maxrdreqsz; +module_param(limit_maxrdreqsz, bool, 0644); +MODULE_PARM_DESC(limit_maxrdreqsz, "Limit max read request size to 256 Bytes"); + LIST_HEAD(nes_adapter_list); -LIST_HEAD(nes_dev_list); +static LIST_HEAD(nes_dev_list); atomic_t qps_destroyed; -atomic_t cqp_reqs_allocated; -atomic_t cqp_reqs_freed; -atomic_t cqp_reqs_dynallocated; -atomic_t cqp_reqs_dynfreed; -atomic_t cqp_reqs_queued; -atomic_t cqp_reqs_redriven; - -static void nes_print_macaddr(struct net_device *netdev); -static irqreturn_t nes_interrupt(int, void *); -static int __devinit nes_probe(struct pci_dev *, const struct pci_device_id *); -static void __devexit nes_remove(struct pci_dev *); -static int __init nes_init_module(void); -static void __exit nes_exit_module(void); + static unsigned int ee_flsh_adapter; static unsigned int sysfs_nonidx_addr; static unsigned int sysfs_idx_addr; static struct pci_device_id nes_pci_table[] = { - {PCI_VENDOR_ID_NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020, PCI_ANY_ID, PCI_ANY_ID}, + { PCI_VDEVICE(NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020), }, + { PCI_VDEVICE(NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020_KR), }, {0} }; MODULE_DEVICE_TABLE(pci, nes_pci_table); +/* registered nes netlink callbacks */ +static struct ibnl_client_cbs nes_nl_cb_table[] = { + [RDMA_NL_IWPM_REG_PID] = {.dump = iwpm_register_pid_cb}, + [RDMA_NL_IWPM_ADD_MAPPING] = {.dump = iwpm_add_mapping_cb}, + [RDMA_NL_IWPM_QUERY_MAPPING] = {.dump = iwpm_add_and_query_mapping_cb}, + [RDMA_NL_IWPM_HANDLE_ERR] = {.dump = iwpm_mapping_error_cb}, + [RDMA_NL_IWPM_MAPINFO] = {.dump = iwpm_mapping_info_cb}, + [RDMA_NL_IWPM_MAPINFO_NUM] = {.dump = iwpm_ack_mapping_info_cb} +}; + static int nes_inetaddr_event(struct notifier_block *, unsigned long, void *); static int nes_net_event(struct notifier_block *, unsigned long, void *); static int nes_notifiers_registered; @@ -133,9 +134,6 @@ static struct notifier_block nes_net_notifier = { .notifier_call = nes_net_event }; - - - /** * nes_inetaddr_event */ @@ -146,20 +144,21 @@ static int nes_inetaddr_event(struct notifier_block *notifier, struct net_device *event_netdev = ifa->ifa_dev->dev; struct nes_device *nesdev; struct net_device *netdev; + struct net_device *upper_dev; struct nes_vnic *nesvnic; - unsigned int addr; - unsigned int mask; + unsigned int is_bonded; - addr = ntohl(ifa->ifa_address); - mask = ntohl(ifa->ifa_mask); - nes_debug(NES_DBG_NETDEV, "nes_inetaddr_event: ip address %08X, netmask %08X.\n", - addr, mask); + nes_debug(NES_DBG_NETDEV, "nes_inetaddr_event: ip address %pI4, netmask %pI4.\n", + &ifa->ifa_address, &ifa->ifa_mask); list_for_each_entry(nesdev, &nes_dev_list, list) { nes_debug(NES_DBG_NETDEV, "Nesdev list entry = 0x%p. (%s)\n", nesdev, nesdev->netdev[0]->name); netdev = nesdev->netdev[0]; nesvnic = netdev_priv(netdev); - if (netdev == event_netdev) { + upper_dev = netdev_master_upper_dev_get(netdev); + is_bonded = netif_is_bond_slave(netdev) && + (upper_dev == event_netdev); + if ((netdev == event_netdev) || is_bonded) { if (nesvnic->rdma_enabled == 0) { nes_debug(NES_DBG_NETDEV, "Returning without processing event for %s since" " RDMA is not enabled.\n", @@ -176,7 +175,10 @@ static int nes_inetaddr_event(struct notifier_block *notifier, nes_manage_arp_cache(netdev, netdev->dev_addr, ntohl(nesvnic->local_ipaddr), NES_ARP_DELETE); nesvnic->local_ipaddr = 0; - return NOTIFY_OK; + if (is_bonded) + continue; + else + return NOTIFY_OK; break; case NETDEV_UP: nes_debug(NES_DBG_NETDEV, "event:UP\n"); @@ -185,15 +187,24 @@ static int nes_inetaddr_event(struct notifier_block *notifier, nes_debug(NES_DBG_NETDEV, "Interface already has local_ipaddr\n"); return NOTIFY_OK; } + /* fall through */ + case NETDEV_CHANGEADDR: /* Add the address to the IP table */ - nesvnic->local_ipaddr = ifa->ifa_address; + if (upper_dev) + nesvnic->local_ipaddr = + ((struct in_device *)upper_dev->ip_ptr)->ifa_list->ifa_address; + else + nesvnic->local_ipaddr = ifa->ifa_address; nes_write_indexed(nesdev, NES_IDX_DST_IP_ADDR+(0x10*PCI_FUNC(nesdev->pcidev->devfn)), - ntohl(ifa->ifa_address)); + ntohl(nesvnic->local_ipaddr)); nes_manage_arp_cache(netdev, netdev->dev_addr, ntohl(nesvnic->local_ipaddr), NES_ARP_ADD); - return NOTIFY_OK; + if (is_bonded) + continue; + else + return NOTIFY_OK; break; default: break; @@ -266,13 +277,11 @@ static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_r unsigned long flags; struct nes_qp *nesqp = cqp_request->cqp_callback_pointer; struct nes_adapter *nesadapter = nesdev->nesadapter; - u32 qp_id; atomic_inc(&qps_destroyed); /* Free the control structures */ - qp_id = nesqp->hwqp.qp_id; if (nesqp->pbl_vbase) { pci_free_consistent(nesdev->pcidev, nesqp->qp_mem_size, nesqp->hwqp.q2_vbase, nesqp->hwqp.q2_pbase); @@ -288,6 +297,7 @@ static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_r } nes_free_resource(nesadapter, nesadapter->allocated_qps, nesqp->hwqp.qp_id); + nesadapter->qp_table[nesqp->hwqp.qp_id-NES_FIRST_QPN] = NULL; kfree(nesqp->allocated_buffer); } @@ -301,7 +311,6 @@ void nes_rem_ref(struct ib_qp *ibqp) struct nes_qp *nesqp; struct nes_vnic *nesvnic = to_nesvnic(ibqp->device); struct nes_device *nesdev = nesvnic->nesdev; - struct nes_adapter *nesadapter = nesdev->nesadapter; struct nes_hw_cqp_wqe *cqp_wqe; struct nes_cqp_request *cqp_request; u32 opcode; @@ -310,12 +319,13 @@ void nes_rem_ref(struct ib_qp *ibqp) if (atomic_read(&nesqp->refcount) == 0) { printk(KERN_INFO PFX "%s: Reference count already 0 for QP%d, last aeq = 0x%04X.\n", - __FUNCTION__, ibqp->qp_num, nesqp->last_aeq); + __func__, ibqp->qp_num, nesqp->last_aeq); BUG(); } if (atomic_dec_and_test(&nesqp->refcount)) { - nesadapter->qp_table[nesqp->hwqp.qp_id-NES_FIRST_QPN] = NULL; + if (nesqp->pau_mode) + nes_destroy_pau_qp(nesdev, nesqp); /* Destroy the QP */ cqp_request = nes_get_cqp_request(nesdev); @@ -340,7 +350,7 @@ void nes_rem_ref(struct ib_qp *ibqp) set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_ID_IDX, nesqp->hwqp.qp_id); u64temp = (u64)nesqp->nesqp_context_pbase; set_wqe_64bit_value(cqp_wqe->wqe_words, NES_CQP_QP_WQE_CONTEXT_LOW_IDX, u64temp); - nes_post_cqp_request(nesdev, cqp_request, NES_CQP_REQUEST_RING_DOORBELL); + nes_post_cqp_request(nesdev, cqp_request); } } @@ -366,14 +376,10 @@ struct ib_qp *nes_get_qp(struct ib_device *device, int qpn) */ static void nes_print_macaddr(struct net_device *netdev) { - nes_debug(NES_DBG_INIT, "%s: MAC %02X:%02X:%02X:%02X:%02X:%02X, IRQ %u\n", - netdev->name, - netdev->dev_addr[0], netdev->dev_addr[1], netdev->dev_addr[2], - netdev->dev_addr[3], netdev->dev_addr[4], netdev->dev_addr[5], - netdev->irq); + nes_debug(NES_DBG_INIT, "%s: %pM, IRQ %u\n", + netdev->name, netdev->dev_addr, netdev->irq); } - /** * nes_interrupt - handle interrupts */ @@ -449,12 +455,11 @@ static irqreturn_t nes_interrupt(int irq, void *dev_id) /** * nes_probe - Device initialization */ -static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_id *ent) +static int nes_probe(struct pci_dev *pcidev, const struct pci_device_id *ent) { struct net_device *netdev = NULL; struct nes_device *nesdev = NULL; int ret = 0; - struct nes_vnic *nesvnic = NULL; void __iomem *mmio_regs = NULL; u8 hw_rev; @@ -493,23 +498,23 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i } if ((sizeof(dma_addr_t) > 4)) { - ret = pci_set_dma_mask(pcidev, DMA_64BIT_MASK); + ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(64)); if (ret < 0) { printk(KERN_ERR PFX "64b DMA mask configuration failed\n"); goto bail2; } - ret = pci_set_consistent_dma_mask(pcidev, DMA_64BIT_MASK); + ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64)); if (ret) { printk(KERN_ERR PFX "64b DMA consistent mask configuration failed\n"); goto bail2; } } else { - ret = pci_set_dma_mask(pcidev, DMA_32BIT_MASK); + ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32)); if (ret < 0) { printk(KERN_ERR PFX "32b DMA mask configuration failed\n"); goto bail2; } - ret = pci_set_consistent_dma_mask(pcidev, DMA_32BIT_MASK); + ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32)); if (ret) { printk(KERN_ERR PFX "32b DMA consistent mask configuration failed\n"); goto bail2; @@ -536,7 +541,8 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i spin_lock_init(&nesdev->indexed_regs_lock); /* Remap the PCI registers in adapter BAR0 to kernel VA space */ - mmio_regs = ioremap_nocache(pci_resource_start(pcidev, BAR_0), sizeof(mmio_regs)); + mmio_regs = ioremap_nocache(pci_resource_start(pcidev, BAR_0), + pci_resource_len(pcidev, BAR_0)); if (mmio_regs == NULL) { printk(KERN_ERR PFX "Unable to remap BAR0\n"); ret = -EIO; @@ -573,12 +579,44 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i goto bail5; } nesdev->nesadapter->et_rx_coalesce_usecs_irq = interrupt_mod_interval; + nesdev->nesadapter->wqm_quanta = wqm_quanta; /* nesdev->base_doorbell_index = nesdev->nesadapter->pd_config_base[PCI_FUNC(nesdev->pcidev->devfn)]; */ nesdev->base_doorbell_index = 1; nesdev->doorbell_start = nesdev->nesadapter->doorbell_start; - nesdev->mac_index = PCI_FUNC(nesdev->pcidev->devfn) % nesdev->nesadapter->port_count; + if (nesdev->nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) { + switch (PCI_FUNC(nesdev->pcidev->devfn) % + nesdev->nesadapter->port_count) { + case 1: + nesdev->mac_index = 2; + break; + case 2: + nesdev->mac_index = 1; + break; + case 3: + nesdev->mac_index = 3; + break; + case 0: + default: + nesdev->mac_index = 0; + } + } else { + nesdev->mac_index = PCI_FUNC(nesdev->pcidev->devfn) % + nesdev->nesadapter->port_count; + } + + if ((limit_maxrdreqsz || + ((nesdev->nesadapter->phy_type[0] == NES_PHY_TYPE_GLADIUS) && + (hw_rev == NE020_REV1))) && + (pcie_get_readrq(pcidev) > 256)) { + if (pcie_set_readrq(pcidev, 256)) + printk(KERN_ERR PFX "Unable to set max read request" + " to 256 bytes\n"); + else + nes_debug(NES_DBG_INIT, "Max read request size set" + " to 256 bytes\n"); + } tasklet_init(&nesdev->dpc_tasklet, nes_dpc, (unsigned long)nesdev); @@ -597,7 +635,7 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i nesdev->int_req = (0x101 << PCI_FUNC(nesdev->pcidev->devfn)) | (1 << (PCI_FUNC(nesdev->pcidev->devfn)+16)); if (PCI_FUNC(nesdev->pcidev->devfn) < 4) { - nesdev->int_req |= (1 << (PCI_FUNC(nesdev->pcidev->devfn)+24)); + nesdev->int_req |= (1 << (PCI_FUNC(nesdev->mac_index)+24)); } /* TODO: This really should be the first driver to load, not function 0 */ @@ -643,28 +681,40 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i } nes_notifiers_registered++; - /* Initialize network devices */ - if ((netdev = nes_netdev_init(nesdev, mmio_regs)) == NULL) { - goto bail7; - } + if (ibnl_add_client(RDMA_NL_NES, RDMA_NL_IWPM_NUM_OPS, nes_nl_cb_table)) + printk(KERN_ERR PFX "%s[%u]: Failed to add netlink callback\n", + __func__, __LINE__); - /* Register network device */ - ret = register_netdev(netdev); - if (ret) { - printk(KERN_ERR PFX "Unable to register netdev, ret = %d\n", ret); - nes_netdev_destroy(netdev); - goto bail7; - } + ret = iwpm_init(RDMA_NL_NES); + if (ret) { + printk(KERN_ERR PFX "%s: port mapper initialization failed\n", + pci_name(pcidev)); + goto bail7; + } - nes_print_macaddr(netdev); - /* create a CM core for this netdev */ - nesvnic = netdev_priv(netdev); + INIT_DELAYED_WORK(&nesdev->work, nes_recheck_link_status); + + /* Initialize network devices */ + netdev = nes_netdev_init(nesdev, mmio_regs); + if (netdev == NULL) { + ret = -ENOMEM; + goto bail7; + } + + /* Register network device */ + ret = register_netdev(netdev); + if (ret) { + printk(KERN_ERR PFX "Unable to register netdev, ret = %d\n", ret); + nes_netdev_destroy(netdev); + goto bail7; + } - nesdev->netdev_count++; - nesdev->nesadapter->netdev_count++; + nes_print_macaddr(netdev); + nesdev->netdev_count++; + nesdev->nesadapter->netdev_count++; - printk(KERN_ERR PFX "%s: NetEffect RNIC driver successfully loaded.\n", + printk(KERN_INFO PFX "%s: NetEffect RNIC driver successfully loaded.\n", pci_name(pcidev)); return 0; @@ -680,6 +730,7 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i nes_debug(NES_DBG_INIT, "netdev_count=%d, nesadapter->netdev_count=%d\n", nesdev->netdev_count, nesdev->nesadapter->netdev_count); + ibnl_remove_client(RDMA_NL_NES); nes_notifiers_registered--; if (nes_notifiers_registered == 0) { @@ -724,11 +775,12 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i /** * nes_remove - unload from kernel */ -static void __devexit nes_remove(struct pci_dev *pcidev) +static void nes_remove(struct pci_dev *pcidev) { struct nes_device *nesdev = pci_get_drvdata(pcidev); struct net_device *netdev; int netdev_index = 0; + unsigned long flags; if (nesdev->netdev_count) { netdev = nesdev->netdev[netdev_index]; @@ -742,6 +794,8 @@ static void __devexit nes_remove(struct pci_dev *pcidev) nesdev->nesadapter->netdev_count--; } } + ibnl_remove_client(RDMA_NL_NES); + iwpm_exit(RDMA_NL_NES); nes_notifiers_registered--; if (nes_notifiers_registered == 0) { @@ -751,13 +805,21 @@ static void __devexit nes_remove(struct pci_dev *pcidev) list_del(&nesdev->list); nes_destroy_cqp(nesdev); + + free_irq(pcidev->irq, nesdev); tasklet_kill(&nesdev->dpc_tasklet); + spin_lock_irqsave(&nesdev->nesadapter->phy_lock, flags); + if (nesdev->link_recheck) { + spin_unlock_irqrestore(&nesdev->nesadapter->phy_lock, flags); + cancel_delayed_work_sync(&nesdev->work); + } else { + spin_unlock_irqrestore(&nesdev->nesadapter->phy_lock, flags); + } + /* Deallocate the Adapter Structure */ nes_destroy_adapter(nesdev->nesadapter); - free_irq(pcidev->irq, nesdev); - if (nesdev->msi_enabled) { pci_disable_msi(pcidev); } @@ -776,7 +838,7 @@ static struct pci_driver nes_pci_driver = { .name = DRV_NAME, .id_table = nes_pci_table, .probe = nes_probe, - .remove = __devexit_p(nes_remove), + .remove = nes_remove, }; static ssize_t nes_show_adapter(struct device_driver *ddp, char *buf) @@ -788,14 +850,14 @@ static ssize_t nes_show_adapter(struct device_driver *ddp, char *buf) list_for_each_entry(nesdev, &nes_dev_list, list) { if (i == ee_flsh_adapter) { - devfn = nesdev->nesadapter->devfn; - bus_number = nesdev->nesadapter->bus_number; + devfn = nesdev->pcidev->devfn; + bus_number = nesdev->pcidev->bus->number; break; } i++; } - return snprintf(buf, PAGE_SIZE, "%x:%x", bus_number, devfn); + return snprintf(buf, PAGE_SIZE, "%x:%x\n", bus_number, devfn); } static ssize_t nes_store_adapter(struct device_driver *ddp, @@ -1066,6 +1128,57 @@ static ssize_t nes_store_idx_data(struct device_driver *ddp, return strnlen(buf, count); } + +/** + * nes_show_wqm_quanta + */ +static ssize_t nes_show_wqm_quanta(struct device_driver *ddp, char *buf) +{ + u32 wqm_quanta_value = 0xdead; + u32 i = 0; + struct nes_device *nesdev; + + list_for_each_entry(nesdev, &nes_dev_list, list) { + if (i == ee_flsh_adapter) { + wqm_quanta_value = nesdev->nesadapter->wqm_quanta; + break; + } + i++; + } + + return snprintf(buf, PAGE_SIZE, "0x%X\n", wqm_quanta_value); +} + + +/** + * nes_store_wqm_quanta + */ +static ssize_t nes_store_wqm_quanta(struct device_driver *ddp, + const char *buf, size_t count) +{ + unsigned long wqm_quanta_value; + u32 wqm_config1; + u32 i = 0; + struct nes_device *nesdev; + + if (kstrtoul(buf, 0, &wqm_quanta_value) < 0) + return -EINVAL; + + list_for_each_entry(nesdev, &nes_dev_list, list) { + if (i == ee_flsh_adapter) { + nesdev->nesadapter->wqm_quanta = wqm_quanta_value; + wqm_config1 = nes_read_indexed(nesdev, + NES_IDX_WQM_CONFIG1); + nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG1, + ((wqm_quanta_value << 1) | + (wqm_config1 & 0x00000001))); + break; + } + i++; + } + return strnlen(buf, count); +} + static DRIVER_ATTR(adapter, S_IRUSR | S_IWUSR, nes_show_adapter, nes_store_adapter); static DRIVER_ATTR(eeprom_cmd, S_IRUSR | S_IWUSR, @@ -1084,6 +1197,8 @@ static DRIVER_ATTR(idx_addr, S_IRUSR | S_IWUSR, nes_show_idx_addr, nes_store_idx_addr); static DRIVER_ATTR(idx_data, S_IRUSR | S_IWUSR, nes_show_idx_data, nes_store_idx_data); +static DRIVER_ATTR(wqm_quanta, S_IRUSR | S_IWUSR, + nes_show_wqm_quanta, nes_store_wqm_quanta); static int nes_create_driver_sysfs(struct pci_driver *drv) { @@ -1097,6 +1212,7 @@ static int nes_create_driver_sysfs(struct pci_driver *drv) error |= driver_create_file(&drv->driver, &driver_attr_nonidx_data); error |= driver_create_file(&drv->driver, &driver_attr_idx_addr); error |= driver_create_file(&drv->driver, &driver_attr_idx_data); + error |= driver_create_file(&drv->driver, &driver_attr_wqm_quanta); return error; } @@ -1111,6 +1227,7 @@ static void nes_remove_driver_sysfs(struct pci_driver *drv) driver_remove_file(&drv->driver, &driver_attr_nonidx_data); driver_remove_file(&drv->driver, &driver_attr_idx_addr); driver_remove_file(&drv->driver, &driver_attr_idx_data); + driver_remove_file(&drv->driver, &driver_attr_wqm_quanta); } /** |
