diff options
Diffstat (limited to 'drivers')
56 files changed, 618 insertions, 425 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index e898ad9eb1c..ab871e00ffc 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -2973,7 +2973,6 @@ struct drbd_conf *drbd_new_device(unsigned int minor) goto out_no_q; mdev->rq_queue = q; q->queuedata = mdev; - blk_queue_max_segment_size(q, DRBD_MAX_SEGMENT_SIZE); disk = alloc_disk(1); if (!disk) @@ -2997,6 +2996,7 @@ struct drbd_conf *drbd_new_device(unsigned int minor) q->backing_dev_info.congested_data = mdev; blk_queue_make_request(q, drbd_make_request_26); + blk_queue_max_segment_size(q, DRBD_MAX_SEGMENT_SIZE); blk_queue_bounce_limit(q, BLK_BOUNCE_ANY); blk_queue_merge_bvec(q, drbd_merge_bvec); q->queue_lock = &mdev->req_lock; /* needed since we use */ diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index f22a5283128..d065c646b35 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1224,7 +1224,7 @@ static int receive_Barrier(struct drbd_conf *mdev, struct p_header *h) epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO); if (!epoch) { dev_warn(DEV, "Allocation of an epoch failed, slowing down\n"); - issue_flush = !test_and_set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &epoch->flags); + issue_flush = !test_and_set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &mdev->current_epoch->flags); drbd_wait_ee_list_empty(mdev, &mdev->active_ee); if (issue_flush) { rv = drbd_flush_after_epoch(mdev, mdev->current_epoch); diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 2ddf03ae034..68b5957f107 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -322,7 +322,7 @@ static void pkt_sysfs_dev_remove(struct pktcdvd_device *pd) pkt_kobj_remove(pd->kobj_stat); pkt_kobj_remove(pd->kobj_wqueue); if (class_pktcdvd) - device_destroy(class_pktcdvd, pd->pkt_dev); + device_unregister(pd->dev); } diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig index 652367aa654..058fbccf2f5 100644 --- a/drivers/bluetooth/Kconfig +++ b/drivers/bluetooth/Kconfig @@ -195,5 +195,16 @@ config BT_MRVL_SDIO Say Y here to compile support for Marvell BT-over-SDIO driver into the kernel or say M to compile it as module. -endmenu +config BT_ATH3K + tristate "Atheros firmware download driver" + depends on BT_HCIBTUSB + select FW_LOADER + help + Bluetooth firmware download driver. + This driver loads the firmware into the Atheros Bluetooth + chipset. + Say Y here to compile support for "Atheros firmware download driver" + into the kernel or say M to compile it as module (ath3k). + +endmenu diff --git a/drivers/bluetooth/Makefile b/drivers/bluetooth/Makefile index b3f57d2d4eb..7e5aed59812 100644 --- a/drivers/bluetooth/Makefile +++ b/drivers/bluetooth/Makefile @@ -15,6 +15,7 @@ obj-$(CONFIG_BT_HCIBTUART) += btuart_cs.o obj-$(CONFIG_BT_HCIBTUSB) += btusb.o obj-$(CONFIG_BT_HCIBTSDIO) += btsdio.o +obj-$(CONFIG_BT_ATH3K) += ath3k.o obj-$(CONFIG_BT_MRVL) += btmrvl.o obj-$(CONFIG_BT_MRVL_SDIO) += btmrvl_sdio.o diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c new file mode 100644 index 00000000000..add9485ca5b --- /dev/null +++ b/drivers/bluetooth/ath3k.c @@ -0,0 +1,187 @@ +/* + * Copyright (c) 2008-2009 Atheros Communications Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/device.h> +#include <linux/firmware.h> +#include <linux/usb.h> +#include <net/bluetooth/bluetooth.h> + +#define VERSION "1.0" + + +static struct usb_device_id ath3k_table[] = { + /* Atheros AR3011 */ + { USB_DEVICE(0x0CF3, 0x3000) }, + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE(usb, ath3k_table); + +#define USB_REQ_DFU_DNLOAD 1 +#define BULK_SIZE 4096 + +struct ath3k_data { + struct usb_device *udev; + u8 *fw_data; + u32 fw_size; + u32 fw_sent; +}; + +static int ath3k_load_firmware(struct ath3k_data *data, + unsigned char *firmware, + int count) +{ + u8 *send_buf; + int err, pipe, len, size, sent = 0; + + BT_DBG("ath3k %p udev %p", data, data->udev); + + pipe = usb_sndctrlpipe(data->udev, 0); + + if ((usb_control_msg(data->udev, pipe, + USB_REQ_DFU_DNLOAD, + USB_TYPE_VENDOR, 0, 0, + firmware, 20, USB_CTRL_SET_TIMEOUT)) < 0) { + BT_ERR("Can't change to loading configuration err"); + return -EBUSY; + } + sent += 20; + count -= 20; + + send_buf = kmalloc(BULK_SIZE, GFP_ATOMIC); + if (!send_buf) { + BT_ERR("Can't allocate memory chunk for firmware"); + return -ENOMEM; + } + + while (count) { + size = min_t(uint, count, BULK_SIZE); + pipe = usb_sndbulkpipe(data->udev, 0x02); + memcpy(send_buf, firmware + sent, size); + + err = usb_bulk_msg(data->udev, pipe, send_buf, size, + &len, 3000); + + if (err || (len != size)) { + BT_ERR("Error in firmware loading err = %d," + "len = %d, size = %d", err, len, size); + goto error; + } + + sent += size; + count -= size; + } + + kfree(send_buf); + return 0; + +error: + kfree(send_buf); + return err; +} + +static int ath3k_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + const struct firmware *firmware; + struct usb_device *udev = interface_to_usbdev(intf); + struct ath3k_data *data; + int size; + + BT_DBG("intf %p id %p", intf, id); + + if (intf->cur_altsetting->desc.bInterfaceNumber != 0) + return -ENODEV; + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->udev = udev; + + if (request_firmware(&firmware, "ath3k-1.fw", &udev->dev) < 0) { + kfree(data); + return -EIO; + } + + size = max_t(uint, firmware->size, 4096); + data->fw_data = kmalloc(size, GFP_KERNEL); + if (!data->fw_data) { + release_firmware(firmware); + kfree(data); + return -ENOMEM; + } + + memcpy(data->fw_data, firmware->data, firmware->size); + data->fw_size = firmware->size; + data->fw_sent = 0; + release_firmware(firmware); + + usb_set_intfdata(intf, data); + if (ath3k_load_firmware(data, data->fw_data, data->fw_size)) { + usb_set_intfdata(intf, NULL); + return -EIO; + } + + return 0; +} + +static void ath3k_disconnect(struct usb_interface *intf) +{ + struct ath3k_data *data = usb_get_intfdata(intf); + + BT_DBG("ath3k_disconnect intf %p", intf); + + kfree(data->fw_data); + kfree(data); +} + +static struct usb_driver ath3k_driver = { + .name = "ath3k", + .probe = ath3k_probe, + .disconnect = ath3k_disconnect, + .id_table = ath3k_table, +}; + +static int __init ath3k_init(void) +{ + BT_INFO("Atheros AR30xx firmware driver ver %s", VERSION); + return usb_register(&ath3k_driver); +} + +static void __exit ath3k_exit(void) +{ + usb_deregister(&ath3k_driver); +} + +module_init(ath3k_init); +module_exit(ath3k_exit); + +MODULE_AUTHOR("Atheros Communications"); +MODULE_DESCRIPTION("Atheros AR30xx firmware driver"); +MODULE_VERSION(VERSION); +MODULE_LICENSE("GPL"); +MODULE_FIRMWARE("ath3k-1.fw"); diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c index 2acdc605cb4..c2cf8114471 100644 --- a/drivers/bluetooth/bluecard_cs.c +++ b/drivers/bluetooth/bluecard_cs.c @@ -503,7 +503,9 @@ static irqreturn_t bluecard_interrupt(int irq, void *dev_inst) unsigned int iobase; unsigned char reg; - BUG_ON(!info->hdev); + if (!info || !info->hdev) + /* our irq handler is shared */ + return IRQ_NONE; if (!test_bit(CARD_READY, &(info->hw_state))) return IRQ_HANDLED; diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c index d814a2755cc..9f5926aaf57 100644 --- a/drivers/bluetooth/bt3c_cs.c +++ b/drivers/bluetooth/bt3c_cs.c @@ -345,7 +345,9 @@ static irqreturn_t bt3c_interrupt(int irq, void *dev_inst) int iir; irqreturn_t r = IRQ_NONE; - BUG_ON(!info->hdev); + if (!info || !info->hdev) + /* our irq handler is shared */ + return IRQ_NONE; iobase = info->p_dev->io.BasePort1; diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c index d339464dc15..91c52309980 100644 --- a/drivers/bluetooth/btuart_cs.c +++ b/drivers/bluetooth/btuart_cs.c @@ -295,7 +295,9 @@ static irqreturn_t btuart_interrupt(int irq, void *dev_inst) int iir, lsr; irqreturn_t r = IRQ_NONE; - BUG_ON(!info->hdev); + if (!info || !info->hdev) + /* our irq handler is shared */ + return IRQ_NONE; iobase = info->p_dev->io.BasePort1; diff --git a/drivers/bluetooth/dtl1_cs.c b/drivers/bluetooth/dtl1_cs.c index 4f02a6f3c98..697591941e1 100644 --- a/drivers/bluetooth/dtl1_cs.c +++ b/drivers/bluetooth/dtl1_cs.c @@ -299,7 +299,9 @@ static irqreturn_t dtl1_interrupt(int irq, void *dev_inst) int iir, lsr; irqreturn_t r = IRQ_NONE; - BUG_ON(!info->hdev); + if (!info || !info->hdev) + /* our irq handler is shared */ + return IRQ_NONE; iobase = info->p_dev->io.BasePort1; diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c index 1afb8968a34..34cf04e2179 100644 --- a/drivers/char/agp/amd64-agp.c +++ b/drivers/char/agp/amd64-agp.c @@ -729,9 +729,6 @@ int __init agp_amd64_init(void) if (agp_off) return -EINVAL; - if (gart_iommu_aperture) - return agp_bridges_found ? 0 : -ENODEV; - err = pci_register_driver(&agp_amd64_pci_driver); if (err < 0) return err; @@ -768,6 +765,14 @@ int __init agp_amd64_init(void) return err; } +static int __init agp_amd64_mod_init(void) +{ + if (gart_iommu_aperture) + return agp_bridges_found ? 0 : -ENODEV; + + return agp_amd64_init(); +} + static void __exit agp_amd64_cleanup(void) { if (gart_iommu_aperture) @@ -777,7 +782,7 @@ static void __exit agp_amd64_cleanup(void) pci_unregister_driver(&agp_amd64_pci_driver); } -module_init(agp_amd64_init); +module_init(agp_amd64_mod_init); module_exit(agp_amd64_cleanup); MODULE_AUTHOR("Dave Jones <davej@redhat.com>, Andi Kleen"); diff --git a/drivers/char/mem.c b/drivers/char/mem.c index be832b6f827..48788db4e28 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -395,6 +395,7 @@ static ssize_t read_kmem(struct file *file, char __user *buf, unsigned long p = *ppos; ssize_t low_count, read, sz; char * kbuf; /* k-addr because vread() takes vmlist_lock rwlock */ + int err = 0; read = 0; if (p < (unsigned long) high_memory) { @@ -441,12 +442,16 @@ static ssize_t read_kmem(struct file *file, char __user *buf, return -ENOMEM; while (count > 0) { sz = size_inside_page(p, count); + if (!is_vmalloc_or_module_addr((void *)p)) { + err = -ENXIO; + break; + } sz = vread(kbuf, (char *)p, sz); if (!sz) break; if (copy_to_user(buf, kbuf, sz)) { - free_page((unsigned long)kbuf); - return -EFAULT; + err = -EFAULT; + break; } count -= sz; buf += sz; @@ -455,8 +460,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf, } free_page((unsigned long)kbuf); } - *ppos = p; - return read; + *ppos = p; + return read ? read : err; } @@ -520,6 +525,7 @@ static ssize_t write_kmem(struct file * file, const char __user * buf, ssize_t wrote = 0; ssize_t virtr = 0; char * kbuf; /* k-addr because vwrite() takes vmlist_lock rwlock */ + int err = 0; if (p < (unsigned long) high_memory) { unsigned long to_write = min_t(unsigned long, count, @@ -540,14 +546,16 @@ static ssize_t write_kmem(struct file * file, const char __user * buf, unsigned long sz = size_inside_page(p, count); unsigned long n; + if (!is_vmalloc_or_module_addr((void *)p)) { + err = -ENXIO; + break; + } n = copy_from_user(kbuf, buf, sz); if (n) { - if (wrote + virtr) - break; - free_page((unsigned long)kbuf); - return -EFAULT; + err = -EFAULT; + break; } - sz = vwrite(kbuf, (char *)p, sz); + vwrite(kbuf, (char *)p, sz); count -= sz; buf += sz; virtr += sz; @@ -556,8 +564,8 @@ static ssize_t write_kmem(struct file * file, const char __user * buf, free_page((unsigned long)kbuf); } - *ppos = p; - return virtr + wrote; + *ppos = p; + return virtr + wrote ? : err; } #endif diff --git a/drivers/char/random.c b/drivers/char/random.c index 8258982b49e..2849713d223 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1051,12 +1051,6 @@ random_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) /* like a named pipe */ } - /* - * If we gave the user some bytes, update the access time. - */ - if (count) - file_accessed(file); - return (count ? count : retval); } @@ -1107,7 +1101,6 @@ static ssize_t random_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) { size_t ret; - struct inode *inode = file->f_path.dentry->d_inode; ret = write_pool(&blocking_pool, buffer, count); if (ret) @@ -1116,8 +1109,6 @@ static ssize_t random_write(struct file *file, const char __user *buffer, if (ret) return ret; - inode->i_mtime = current_fs_time(inode->i_sb); - mark_inode_dirty(inode); return (ssize_t)count; } diff --git a/drivers/char/uv_mmtimer.c b/drivers/char/uv_mmtimer.c index 867b67be9f0..c7072ba14f4 100644 --- a/drivers/char/uv_mmtimer.c +++ b/drivers/char/uv_mmtimer.c @@ -89,13 +89,17 @@ static long uv_mmtimer_ioctl(struct file *file, unsigned int cmd, switch (cmd) { case MMTIMER_GETOFFSET: /* offset of the counter */ /* - * UV RTC register is on its own page + * Starting with HUB rev 2.0, the UV RTC register is + * replicated across all cachelines of it's own page. + * This allows faster simultaneous reads from a given socket. + * + * The offset returned is in 64 bit units. */ - if (PAGE_SIZE <= (1 << 16)) - ret = ((UV_LOCAL_MMR_BASE | UVH_RTC) & (PAGE_SIZE-1)) - / 8; + if (uv_get_min_hub_revision_id() == 1) + ret = 0; else - ret = -ENOSYS; + ret = ((uv_blade_processor_id() * L1_CACHE_BYTES) % + PAGE_SIZE) / 8; break; case MMTIMER_GETRES: /* resolution of the clock in 10^-15 s */ @@ -115,8 +119,8 @@ static long uv_mmtimer_ioctl(struct file *file, unsigned int cmd, ret = hweight64(UVH_RTC_REAL_TIME_CLOCK_MASK); break; - case MMTIMER_MMAPAVAIL: /* can we mmap the clock into userspace? */ - ret = (PAGE_SIZE <= (1 << 16)) ? 1 : 0; + case MMTIMER_MMAPAVAIL: + ret = 1; break; case MMTIMER_GETCOUNTER: diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c index f06024668f9..537c29ac448 100644 --- a/drivers/connector/connector.c +++ b/drivers/connector/connector.c @@ -36,17 +36,6 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>"); MODULE_DESCRIPTION("Generic userspace <-> kernelspace connector."); -static u32 cn_idx = CN_IDX_CONNECTOR; -static u32 cn_val = CN_VAL_CONNECTOR; - -module_param(cn_idx, uint, 0); -module_param(cn_val, uint, 0); -MODULE_PARM_DESC(cn_idx, "Connector's main device idx."); -MODULE_PARM_DESC(cn_val, "Connector's main device val."); - -static DEFINE_MUTEX(notify_lock); -static LIST_HEAD(notify_list); - static struct cn_dev cdev; static int cn_already_initialized; @@ -210,54 +199,6 @@ static void cn_rx_skb(struct sk_buff *__skb) } /* - * Notification routing. - * - * Gets id and checks if there are notification request for it's idx - * and val. If there are such requests notify the listeners with the - * given notify event. - * - */ -static void cn_notify(struct cb_id *id, u32 notify_event) -{ - struct cn_ctl_entry *ent; - - mutex_lock(¬ify_lock); - list_for_each_entry(ent, ¬ify_list, notify_entry) { - int i; - struct cn_notify_req *req; - struct cn_ctl_msg *ctl = ent->msg; - int idx_found, val_found; - - idx_found = val_found = 0; - - req = (struct cn_notify_req *)ctl->data; - for (i = 0; i < ctl->idx_notify_num; ++i, ++req) { - if (id->idx >= req->first && - id->idx < req->first + req->range) { - idx_found = 1; - break; - } - } - - for (i = 0; i < ctl->val_notify_num; ++i, ++req) { - if (id->val >= req->first && - id->val < req->first + req->range) { - val_found = 1; - break; - } - } - - if (idx_found && val_found) { - struct cn_msg m = { .ack = notify_event, }; - - memcpy(&m.id, id, sizeof(m.id)); - cn_netlink_send(&m, ctl->group, GFP_KERNEL); - } - } - mutex_unlock(¬ify_lock); -} - -/* * Callback add routing - adds callback with given ID and name. * If there is registered callback with the same ID it will not be added. * @@ -276,8 +217,6 @@ int cn_add_callback(struct cb_id *id, char *name, if (err) return err; - cn_notify(id, 0); - return 0; } EXPORT_SYMBOL_GPL(cn_add_callback); @@ -295,111 +234,9 @@ void cn_del_callback(struct cb_id *id) struct cn_dev *dev = &cdev; |