diff options
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/apm-emulation.c | 2 | ||||
-rw-r--r-- | drivers/char/dsp56k.c | 2 | ||||
-rw-r--r-- | drivers/char/dtlk.c | 6 | ||||
-rw-r--r-- | drivers/char/hpet.c | 2 | ||||
-rw-r--r-- | drivers/char/ipmi/bt-bmc.c | 4 | ||||
-rw-r--r-- | drivers/char/ipmi/ipmi_devintf.c | 4 | ||||
-rw-r--r-- | drivers/char/ipmi/ipmi_si_intf.c | 44 | ||||
-rw-r--r-- | drivers/char/ipmi/ipmi_si_parisc.c | 2 | ||||
-rw-r--r-- | drivers/char/ipmi/ipmi_si_pci.c | 7 | ||||
-rw-r--r-- | drivers/char/ipmi/ipmi_watchdog.c | 4 | ||||
-rw-r--r-- | drivers/char/pcmcia/cm4040_cs.c | 4 | ||||
-rw-r--r-- | drivers/char/ppdev.c | 4 | ||||
-rw-r--r-- | drivers/char/random.c | 4 | ||||
-rw-r--r-- | drivers/char/rtc.c | 4 | ||||
-rw-r--r-- | drivers/char/snsc.c | 4 | ||||
-rw-r--r-- | drivers/char/sonypi.c | 2 | ||||
-rw-r--r-- | drivers/char/tpm/tpm_vtpm_proxy.c | 4 | ||||
-rw-r--r-- | drivers/char/virtio_console.c | 4 | ||||
-rw-r--r-- | drivers/char/xillybus/xillybus_core.c | 4 |
19 files changed, 59 insertions, 52 deletions
diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c index 1dfb9f8de171..a2a1c1478cd0 100644 --- a/drivers/char/apm-emulation.c +++ b/drivers/char/apm-emulation.c @@ -236,7 +236,7 @@ static ssize_t apm_read(struct file *fp, char __user *buf, size_t count, loff_t return ret; } -static unsigned int apm_poll(struct file *fp, poll_table * wait) +static __poll_t apm_poll(struct file *fp, poll_table * wait) { struct apm_user *as = fp->private_data; diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c index 0d7b577e0ff0..2f92cc46698b 100644 --- a/drivers/char/dsp56k.c +++ b/drivers/char/dsp56k.c @@ -406,7 +406,7 @@ static long dsp56k_ioctl(struct file *file, unsigned int cmd, * Do I need this function at all??? */ #if 0 -static unsigned int dsp56k_poll(struct file *file, poll_table *wait) +static __poll_t dsp56k_poll(struct file *file, poll_table *wait) { int dev = iminor(file_inode(file)) & 0x0f; diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c index 839ee61d352a..2697c22e3be2 100644 --- a/drivers/char/dtlk.c +++ b/drivers/char/dtlk.c @@ -91,7 +91,7 @@ static ssize_t dtlk_read(struct file *, char __user *, size_t nbytes, loff_t * ppos); static ssize_t dtlk_write(struct file *, const char __user *, size_t nbytes, loff_t * ppos); -static unsigned int dtlk_poll(struct file *, poll_table *); +static __poll_t dtlk_poll(struct file *, poll_table *); static int dtlk_open(struct inode *, struct file *); static int dtlk_release(struct inode *, struct file *); static long dtlk_ioctl(struct file *file, @@ -228,9 +228,9 @@ static ssize_t dtlk_write(struct file *file, const char __user *buf, return -EAGAIN; } -static unsigned int dtlk_poll(struct file *file, poll_table * wait) +static __poll_t dtlk_poll(struct file *file, poll_table * wait) { - int mask = 0; + __poll_t mask = 0; unsigned long expires; TRACE_TEXT(" dtlk_poll"); diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index b941e6d59fd6..dbed4953f86c 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -342,7 +342,7 @@ out: return retval; } -static unsigned int hpet_poll(struct file *file, poll_table * wait) +static __poll_t hpet_poll(struct file *file, poll_table * wait) { unsigned long v; struct hpet_dev *devp; diff --git a/drivers/char/ipmi/bt-bmc.c b/drivers/char/ipmi/bt-bmc.c index 6edfaa72b98b..7992c870b0a2 100644 --- a/drivers/char/ipmi/bt-bmc.c +++ b/drivers/char/ipmi/bt-bmc.c @@ -338,10 +338,10 @@ static int bt_bmc_release(struct inode *inode, struct file *file) return 0; } -static unsigned int bt_bmc_poll(struct file *file, poll_table *wait) +static __poll_t bt_bmc_poll(struct file *file, poll_table *wait) { struct bt_bmc *bt_bmc = file_bt_bmc(file); - unsigned int mask = 0; + __poll_t mask = 0; u8 ctrl; poll_wait(file, &bt_bmc->queue, wait); diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c index 2ffca4232686..a011a7739f5e 100644 --- a/drivers/char/ipmi/ipmi_devintf.c +++ b/drivers/char/ipmi/ipmi_devintf.c @@ -78,10 +78,10 @@ static void file_receive_handler(struct ipmi_recv_msg *msg, spin_unlock_irqrestore(&(priv->recv_msg_lock), flags); } -static unsigned int ipmi_poll(struct file *file, poll_table *wait) +static __poll_t ipmi_poll(struct file *file, poll_table *wait) { struct ipmi_file_private *priv = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; unsigned long flags; poll_wait(file, &priv->wait, wait); diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 779869ed32b1..71fad747c0c7 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -199,6 +199,9 @@ struct smi_info { /* The timer for this si. */ struct timer_list si_timer; + /* This flag is set, if the timer can be set */ + bool timer_can_start; + /* This flag is set, if the timer is running (timer_pending() isn't enough) */ bool timer_running; @@ -355,6 +358,8 @@ out: static void smi_mod_timer(struct smi_info *smi_info, unsigned long new_val) { + if (!smi_info->timer_can_start) + return; smi_info->last_timeout_jiffies = jiffies; mod_timer(&smi_info->si_timer, new_val); smi_info->timer_running = true; @@ -374,21 +379,18 @@ static void start_new_msg(struct smi_info *smi_info, unsigned char *msg, smi_info->handlers->start_transaction(smi_info->si_sm, msg, size); } -static void start_check_enables(struct smi_info *smi_info, bool start_timer) +static void start_check_enables(struct smi_info *smi_info) { unsigned char msg[2]; msg[0] = (IPMI_NETFN_APP_REQUEST << 2); msg[1] = IPMI_GET_BMC_GLOBAL_ENABLES_CMD; - if (start_timer) - start_new_msg(smi_info, msg, 2); - else - smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2); + start_new_msg(smi_info, msg, 2); smi_info->si_state = SI_CHECKING_ENABLES; } -static void start_clear_flags(struct smi_info *smi_info, bool start_timer) +static void start_clear_flags(struct smi_info *smi_info) { unsigned char msg[3]; @@ -397,10 +399,7 @@ static void start_clear_flags(struct smi_info *smi_info, bool start_timer) msg[1] = IPMI_CLEAR_MSG_FLAGS_CMD; msg[2] = WDT_PRE_TIMEOUT_INT; - if (start_timer) - start_new_msg(smi_info, msg, 3); - else - smi_info->handlers->start_transaction(smi_info->si_sm, msg, 3); + start_new_msg(smi_info, msg, 3); smi_info->si_state = SI_CLEARING_FLAGS; } @@ -435,11 +434,11 @@ static void start_getting_events(struct smi_info *smi_info) * Note that we cannot just use disable_irq(), since the interrupt may * be shared. */ -static inline bool disable_si_irq(struct smi_info *smi_info, bool start_timer) +static inline bool disable_si_irq(struct smi_info *smi_info) { if ((smi_info->io.irq) && (!smi_info->interrupt_disabled)) { smi_info->interrupt_disabled = true; - start_check_enables(smi_info, start_timer); + start_check_enables(smi_info); return true; } return false; @@ -449,7 +448,7 @@ static inline bool enable_si_irq(struct smi_info *smi_info) { if ((smi_info->io.irq) && (smi_info->interrupt_disabled)) { smi_info->interrupt_disabled = false; - start_check_enables(smi_info, true); + start_check_enables(smi_info); return true; } return false; @@ -467,7 +466,7 @@ static struct ipmi_smi_msg *alloc_msg_handle_irq(struct smi_info *smi_info) msg = ipmi_alloc_smi_msg(); if (!msg) { - if (!disable_si_irq(smi_info, true)) + if (!disable_si_irq(smi_info)) smi_info->si_state = SI_NORMAL; } else if (enable_si_irq(smi_info)) { ipmi_free_smi_msg(msg); @@ -483,7 +482,7 @@ retry: /* Watchdog pre-timeout */ smi_inc_stat(smi_info, watchdog_pretimeouts); - start_clear_flags(smi_info, true); + start_clear_flags(smi_info); smi_info->msg_flags &= ~WDT_PRE_TIMEOUT_INT; if (smi_info->intf) ipmi_smi_watchdog_pretimeout(smi_info->intf); @@ -866,7 +865,7 @@ restart: * disable and messages disabled. */ if (smi_info->supports_event_msg_buff || smi_info->io.irq) { - start_check_enables(smi_info, true); + start_check_enables(smi_info); } else { smi_info->curr_msg = alloc_msg_handle_irq(smi_info); if (!smi_info->curr_msg) @@ -1167,6 +1166,7 @@ static int smi_start_processing(void *send_info, /* Set up the timer that drives the interface. */ timer_setup(&new_smi->si_timer, smi_timeout, 0); + new_smi->timer_can_start = true; smi_mod_timer(new_smi, jiffies + SI_TIMEOUT_JIFFIES); /* Try to claim any interrupts. */ @@ -1936,10 +1936,12 @@ static void check_for_broken_irqs(struct smi_info *smi_info) check_set_rcv_irq(smi_info); } -static inline void wait_for_timer_and_thread(struct smi_info *smi_info) +static inline void stop_timer_and_thread(struct smi_info *smi_info) { if (smi_info->thread != NULL) kthread_stop(smi_info->thread); + + smi_info->timer_can_start = false; if (smi_info->timer_running) del_timer_sync(&smi_info->si_timer); } @@ -2152,7 +2154,7 @@ static int try_smi_init(struct smi_info *new_smi) * Start clearing the flags before we enable interrupts or the * timer to avoid racing with the timer. */ - start_clear_flags(new_smi, false); + start_clear_flags(new_smi); /* * IRQ is defined to be set when non-zero. req_events will @@ -2238,7 +2240,7 @@ out_err_remove_attrs: dev_set_drvdata(new_smi->io.dev, NULL); out_err_stop_timer: - wait_for_timer_and_thread(new_smi); + stop_timer_and_thread(new_smi); out_err: new_smi->interrupt_disabled = true; @@ -2388,7 +2390,7 @@ static void cleanup_one_si(struct smi_info *to_clean) */ if (to_clean->io.irq_cleanup) to_clean->io.irq_cleanup(&to_clean->io); - wait_for_timer_and_thread(to_clean); + stop_timer_and_thread(to_clean); /* * Timeouts are stopped, now make sure the interrupts are off @@ -2400,7 +2402,7 @@ static void cleanup_one_si(struct smi_info *to_clean) schedule_timeout_uninterruptible(1); } if (to_clean->handlers) - disable_si_irq(to_clean, false); + disable_si_irq(to_clean); while (to_clean->curr_msg || (to_clean->si_state != SI_NORMAL)) { poll(to_clean); schedule_timeout_uninterruptible(1); diff --git a/drivers/char/ipmi/ipmi_si_parisc.c b/drivers/char/ipmi/ipmi_si_parisc.c index 090b073ab441..6b10f0e18a95 100644 --- a/drivers/char/ipmi/ipmi_si_parisc.c +++ b/drivers/char/ipmi/ipmi_si_parisc.c @@ -10,6 +10,8 @@ static int __init ipmi_parisc_probe(struct parisc_device *dev) { struct si_sm_io io; + memset(&io, 0, sizeof(io)); + io.si_type = SI_KCS; io.addr_source = SI_DEVICETREE; io.addr_type = IPMI_MEM_ADDR_SPACE; diff --git a/drivers/char/ipmi/ipmi_si_pci.c b/drivers/char/ipmi/ipmi_si_pci.c index 99771f5cad07..27dd11c49d21 100644 --- a/drivers/char/ipmi/ipmi_si_pci.c +++ b/drivers/char/ipmi/ipmi_si_pci.c @@ -103,10 +103,13 @@ static int ipmi_pci_probe(struct pci_dev *pdev, io.addr_source_cleanup = ipmi_pci_cleanup; io.addr_source_data = pdev; - if (pci_resource_flags(pdev, 0) & IORESOURCE_IO) + if (pci_resource_flags(pdev, 0) & IORESOURCE_IO) { io.addr_type = IPMI_IO_ADDR_SPACE; - else + io.io_setup = ipmi_si_port_setup; + } else { io.addr_type = IPMI_MEM_ADDR_SPACE; + io.io_setup = ipmi_si_mem_setup; + } io.addr_data = pci_resource_start(pdev, 0); io.regspacing = ipmi_pci_probe_regspacing(&io); diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c index 76b270678b50..95d8e9a53e91 100644 --- a/drivers/char/ipmi/ipmi_watchdog.c +++ b/drivers/char/ipmi/ipmi_watchdog.c @@ -887,9 +887,9 @@ static int ipmi_open(struct inode *ino, struct file *filep) } } -static unsigned int ipmi_poll(struct file *file, poll_table *wait) +static __poll_t ipmi_poll(struct file *file, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &read_q, wait); diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 9a1aaf538758..819fe37a3683 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -415,10 +415,10 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, return count; } -static unsigned int cm4040_poll(struct file *filp, poll_table *wait) +static __poll_t cm4040_poll(struct file *filp, poll_table *wait) { struct reader_dev *dev = filp->private_data; - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(filp, &dev->poll_wait, wait); diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c index d256110ba672..7a56d1a13ec3 100644 --- a/drivers/char/ppdev.c +++ b/drivers/char/ppdev.c @@ -769,10 +769,10 @@ static int pp_release(struct inode *inode, struct file *file) } /* No kernel lock held - fine */ -static unsigned int pp_poll(struct file *file, poll_table *wait) +static __poll_t pp_poll(struct file *file, poll_table *wait) { struct pp_struct *pp = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &pp->irq_wait, wait); if (atomic_read(&pp->irqc)) diff --git a/drivers/char/random.c b/drivers/char/random.c index ec42c8bb9b0d..64b59562c872 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1784,10 +1784,10 @@ urandom_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) return ret; } -static unsigned int +static __poll_t random_poll(struct file *file, poll_table * wait) { - unsigned int mask; + __poll_t mask; poll_wait(file, &random_read_wait, wait); poll_wait(file, &random_write_wait, wait); diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index 5542a438bbd0..c6a317120a55 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -147,7 +147,7 @@ static long rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg); static void rtc_get_rtc_time(struct rtc_time *rtc_tm); #ifdef RTC_IRQ -static unsigned int rtc_poll(struct file *file, poll_table *wait); +static __poll_t rtc_poll(struct file *file, poll_table *wait); #endif static void get_rtc_alm_time(struct rtc_time *alm_tm); @@ -790,7 +790,7 @@ no_irq: } #ifdef RTC_IRQ -static unsigned int rtc_poll(struct file *file, poll_table *wait) +static __poll_t rtc_poll(struct file *file, poll_table *wait) { unsigned long l; diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c index 6aa32679fd58..7f49fa0f41d7 100644 --- a/drivers/char/snsc.c +++ b/drivers/char/snsc.c @@ -321,10 +321,10 @@ scdrv_write(struct file *file, const char __user *buf, return status; } -static unsigned int +static __poll_t scdrv_poll(struct file *file, struct poll_table_struct *wait) { - unsigned int mask = 0; + __poll_t mask = 0; int status = 0; struct subch_data_s *sd = (struct subch_data_s *) file->private_data; unsigned long flags; diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c index d3a979e25724..fc041c462aa4 100644 --- a/drivers/char/sonypi.c +++ b/drivers/char/sonypi.c @@ -940,7 +940,7 @@ static ssize_t sonypi_misc_read(struct file *file, char __user *buf, return ret; } -static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) +static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait) { poll_wait(file, &sonypi_device.fifo_proc_list, wait); if (kfifo_len(&sonypi_device.fifo)) diff --git a/drivers/char/tpm/tpm_vtpm_proxy.c b/drivers/char/tpm/tpm_vtpm_proxy.c index 1d877cc9af97..674218b50b13 100644 --- a/drivers/char/tpm/tpm_vtpm_proxy.c +++ b/drivers/char/tpm/tpm_vtpm_proxy.c @@ -173,10 +173,10 @@ static ssize_t vtpm_proxy_fops_write(struct file *filp, const char __user *buf, * * Return: Poll flags */ -static unsigned int vtpm_proxy_fops_poll(struct file *filp, poll_table *wait) +static __poll_t vtpm_proxy_fops_poll(struct file *filp, poll_table *wait) { struct proxy_dev *proxy_dev = filp->private_data; - unsigned ret; + __poll_t ret; poll_wait(filp, &proxy_dev->wq, wait); diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index d1aed2513bd9..813a2e46824d 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -982,10 +982,10 @@ error_out: return ret; } -static unsigned int port_fops_poll(struct file *filp, poll_table *wait) +static __poll_t port_fops_poll(struct file *filp, poll_table *wait) { struct port *port; - unsigned int ret; + __poll_t ret; port = filp->private_data; poll_wait(filp, &port->waitqueue, wait); diff --git a/drivers/char/xillybus/xillybus_core.c b/drivers/char/xillybus/xillybus_core.c index b6c9cdead7f3..88e1cf475d3f 100644 --- a/drivers/char/xillybus/xillybus_core.c +++ b/drivers/char/xillybus/xillybus_core.c @@ -1736,10 +1736,10 @@ end: return pos; } -static unsigned int xillybus_poll(struct file *filp, poll_table *wait) +static __poll_t xillybus_poll(struct file *filp, poll_table *wait) { struct xilly_channel *channel = filp->private_data; - unsigned int mask = 0; + __poll_t mask = 0; unsigned long flags; poll_wait(filp, &channel->endpoint->ep_wait, wait); |