diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/acpi/ec.c | 22 | ||||
-rw-r--r-- | drivers/acpi/internal.h | 5 | ||||
-rw-r--r-- | drivers/acpi/processor_idle.c | 17 | ||||
-rw-r--r-- | drivers/acpi/sleep.c | 57 | ||||
-rw-r--r-- | drivers/char/Kconfig | 1 | ||||
-rw-r--r-- | drivers/misc/vmware_balloon.c | 18 | ||||
-rw-r--r-- | drivers/mmc/host/omap.c | 1 | ||||
-rw-r--r-- | drivers/rtc/rtc-s3c.c | 9 | ||||
-rw-r--r-- | drivers/sfi/sfi_core.c | 4 | ||||
-rw-r--r-- | drivers/usb/class/cdc-acm.c | 6 | ||||
-rw-r--r-- | drivers/usb/core/driver.c | 2 | ||||
-rw-r--r-- | drivers/usb/gadget/Kconfig | 1 | ||||
-rw-r--r-- | drivers/usb/gadget/f_audio.c | 4 | ||||
-rw-r--r-- | drivers/usb/gadget/s3c-hsotg.c | 57 | ||||
-rw-r--r-- | drivers/usb/host/ehci-hcd.c | 20 | ||||
-rw-r--r-- | drivers/usb/host/isp1362.h | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-pci.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-ring.c | 31 | ||||
-rw-r--r-- | drivers/usb/host/xhci.c | 57 | ||||
-rw-r--r-- | drivers/usb/host/xhci.h | 12 | ||||
-rw-r--r-- | drivers/usb/serial/digi_acceleport.c | 3 | ||||
-rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 4 | ||||
-rw-r--r-- | drivers/usb/serial/mos7840.c | 1 | ||||
-rw-r--r-- | drivers/video/Kconfig | 6 | ||||
-rw-r--r-- | drivers/video/fb_defio.c | 52 |
25 files changed, 283 insertions, 111 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index e61d4f8..5f2027d 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -79,7 +79,7 @@ enum { EC_FLAGS_GPE_STORM, /* GPE storm detected */ EC_FLAGS_HANDLERS_INSTALLED, /* Handlers for GPE and * OpReg are installed */ - EC_FLAGS_FROZEN, /* Transactions are suspended */ + EC_FLAGS_BLOCKED, /* Transactions are blocked */ }; /* If we find an EC via the ECDT, we need to keep a ptr to its context */ @@ -293,7 +293,7 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t) if (t->rdata) memset(t->rdata, 0, t->rlen); mutex_lock(&ec->lock); - if (test_bit(EC_FLAGS_FROZEN, &ec->flags)) { + if (test_bit(EC_FLAGS_BLOCKED, &ec->flags)) { status = -EINVAL; goto unlock; } @@ -459,7 +459,7 @@ int ec_transaction(u8 command, EXPORT_SYMBOL(ec_transaction); -void acpi_ec_suspend_transactions(void) +void acpi_ec_block_transactions(void) { struct acpi_ec *ec = first_ec; @@ -468,11 +468,11 @@ void acpi_ec_suspend_transactions(void) mutex_lock(&ec->lock); /* Prevent transactions from being carried out */ - set_bit(EC_FLAGS_FROZEN, &ec->flags); + set_bit(EC_FLAGS_BLOCKED, &ec->flags); mutex_unlock(&ec->lock); } -void acpi_ec_resume_transactions(void) +void acpi_ec_unblock_transactions(void) { struct acpi_ec *ec = first_ec; @@ -481,10 +481,20 @@ void acpi_ec_resume_transactions(void) mutex_lock(&ec->lock); /* Allow transactions to be carried out again */ - clear_bit(EC_FLAGS_FROZEN, &ec->flags); + clear_bit(EC_FLAGS_BLOCKED, &ec->flags); mutex_unlock(&ec->lock); } +void acpi_ec_unblock_transactions_early(void) +{ + /* + * Allow transactions to happen again (this function is called from + * atomic context during wakeup, so we don't need to acquire the mutex). + */ + if (first_ec) + clear_bit(EC_FLAGS_BLOCKED, &first_ec->flags); +} + static int acpi_ec_query_unlocked(struct acpi_ec *ec, u8 * data) { int result; diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index e284113..f8f190e 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -49,8 +49,9 @@ void acpi_early_processor_set_pdc(void); int acpi_ec_init(void); int acpi_ec_ecdt_probe(void); int acpi_boot_ec_enable(void); -void acpi_ec_suspend_transactions(void); -void acpi_ec_resume_transactions(void); +void acpi_ec_block_transactions(void); +void acpi_ec_unblock_transactions(void); +void acpi_ec_unblock_transactions_early(void); /*-------------------------------------------------------------------------- Suspend/Resume diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 2e8c27d..b1b3856 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -80,7 +80,7 @@ module_param(nocst, uint, 0000); static unsigned int latency_factor __read_mostly = 2; module_param(latency_factor, uint, 0644); -static s64 us_to_pm_timer_ticks(s64 t) +static u64 us_to_pm_timer_ticks(s64 t) { return div64_u64(t * PM_TIMER_FREQUENCY, 1000000); } @@ -731,10 +731,10 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset) seq_puts(seq, "demotion[--] "); - seq_printf(seq, "latency[%03d] usage[%08d] duration[%020llu]\n", + seq_printf(seq, "latency[%03d] usage[%08d] duration[%020Lu]\n", pr->power.states[i].latency, pr->power.states[i].usage, - (unsigned long long)pr->power.states[i].time); + us_to_pm_timer_ticks(pr->power.states[i].time)); } end: @@ -861,7 +861,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, ktime_t kt1, kt2; s64 idle_time_ns; s64 idle_time; - s64 sleep_ticks = 0; pr = __get_cpu_var(processors); @@ -906,8 +905,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, idle_time = idle_time_ns; do_div(idle_time, NSEC_PER_USEC); - sleep_ticks = us_to_pm_timer_ticks(idle_time); - /* Tell the scheduler how much we idled: */ sched_clock_idle_wakeup_event(idle_time_ns); @@ -918,7 +915,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, cx->usage++; lapic_timer_state_broadcast(pr, cx, 0); - cx->time += sleep_ticks; + cx->time += idle_time; return idle_time; } @@ -940,7 +937,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, ktime_t kt1, kt2; s64 idle_time_ns; s64 idle_time; - s64 sleep_ticks = 0; pr = __get_cpu_var(processors); @@ -1022,11 +1018,10 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, spin_unlock(&c3_lock); } kt2 = ktime_get_real(); - idle_time_ns = ktime_to_us(ktime_sub(kt2, kt1)); + idle_time_ns = ktime_to_ns(ktime_sub(kt2, kt1)); idle_time = idle_time_ns; do_div(idle_time, NSEC_PER_USEC); - sleep_ticks = us_to_pm_timer_ticks(idle_time); /* Tell the scheduler how much we idled: */ sched_clock_idle_wakeup_event(idle_time_ns); @@ -1037,7 +1032,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, cx->usage++; lapic_timer_state_broadcast(pr, cx, 0); - cx->time += sleep_ticks; + cx->time += idle_time; return idle_time; } diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 4ab2275..3fb4bde 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -94,11 +94,13 @@ void __init acpi_old_suspend_ordering(void) } /** - * acpi_pm_disable_gpes - Disable the GPEs. + * acpi_pm_freeze - Disable the GPEs and suspend EC transactions. */ -static int acpi_pm_disable_gpes(void) +static int acpi_pm_freeze(void) { acpi_disable_all_gpes(); + acpi_os_wait_events_complete(NULL); + acpi_ec_block_transactions(); return 0; } @@ -126,7 +128,8 @@ static int acpi_pm_prepare(void) int error = __acpi_pm_prepare(); if (!error) - acpi_disable_all_gpes(); + acpi_pm_freeze(); + return error; } @@ -256,6 +259,8 @@ static int acpi_suspend_enter(suspend_state_t pm_state) * acpi_leave_sleep_state will reenable specific GPEs later */ acpi_disable_all_gpes(); + /* Allow EC transactions to happen. */ + acpi_ec_unblock_transactions_early(); local_irq_restore(flags); printk(KERN_DEBUG "Back to C!\n"); @@ -267,6 +272,12 @@ static int acpi_suspend_enter(suspend_state_t pm_state) return ACPI_SUCCESS(status) ? 0 : -EFAULT; } +static void acpi_suspend_finish(void) +{ + acpi_ec_unblock_transactions(); + acpi_pm_finish(); +} + static int acpi_suspend_state_valid(suspend_state_t pm_state) { u32 acpi_state; @@ -288,7 +299,7 @@ static struct platform_suspend_ops acpi_suspend_ops = { .begin = acpi_suspend_begin, .prepare_late = acpi_pm_prepare, .enter = acpi_suspend_enter, - .wake = acpi_pm_finish, + .wake = acpi_suspend_finish, .end = acpi_pm_end, }; @@ -314,9 +325,9 @@ static int acpi_suspend_begin_old(suspend_state_t pm_state) static struct platform_suspend_ops acpi_suspend_ops_old = { .valid = acpi_suspend_state_valid, .begin = acpi_suspend_begin_old, - .prepare_late = acpi_pm_disable_gpes, + .prepare_late = acpi_pm_freeze, .enter = acpi_suspend_enter, - .wake = acpi_pm_finish, + .wake = acpi_suspend_finish, .end = acpi_pm_end, .recover = acpi_pm_finish, }; @@ -433,6 +444,7 @@ static int acpi_hibernation_enter(void) static void acpi_hibernation_finish(void) { hibernate_nvs_free(); + acpi_ec_unblock_transactions(); acpi_pm_finish(); } @@ -453,19 +465,13 @@ static void acpi_hibernation_leave(void) } /* Restore the NVS memory area */ hibernate_nvs_restore(); + /* Allow EC transactions to happen. */ + acpi_ec_unblock_transactions_early(); } -static int acpi_pm_pre_restore(void) -{ - acpi_disable_all_gpes(); - acpi_os_wait_events_complete(NULL); - acpi_ec_suspend_transactions(); - return 0; -} - -static void acpi_pm_restore_cleanup(void) +static void acpi_pm_thaw(void) { - acpi_ec_resume_transactions(); + acpi_ec_unblock_transactions(); acpi_enable_all_runtime_gpes(); } @@ -477,8 +483,8 @@ static struct platform_hibernation_ops acpi_hibernation_ops = { .prepare = acpi_pm_prepare, .enter = acpi_hibernation_enter, .leave = acpi_hibernation_leave, - .pre_restore = acpi_pm_pre_restore, - .restore_cleanup = acpi_pm_restore_cleanup, + .pre_restore = acpi_pm_freeze, + .restore_cleanup = acpi_pm_thaw, }; /** @@ -510,12 +516,9 @@ static int acpi_hibernation_begin_old(void) static int acpi_hibernation_pre_snapshot_old(void) { - int error = acpi_pm_disable_gpes(); - - if (!error) - hibernate_nvs_save(); - - return error; + acpi_pm_freeze(); + hibernate_nvs_save(); + return 0; } /* @@ -527,11 +530,11 @@ static struct platform_hibernation_ops acpi_hibernation_ops_old = { .end = acpi_pm_end, .pre_snapshot = acpi_hibernation_pre_snapshot_old, .finish = acpi_hibernation_finish, - .prepare = acpi_pm_disable_gpes, + .prepare = acpi_pm_freeze, .enter = acpi_hibernation_enter, .leave = acpi_hibernation_leave, - .pre_restore = acpi_pm_pre_restore, - .restore_cleanup = acpi_pm_restore_cleanup, + .pre_restore = acpi_pm_freeze, + .restore_cleanup = acpi_pm_thaw, .recover = acpi_pm_finish, }; #endif /* CONFIG_HIBERNATION */ diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index f09fc0e..7cfcc62 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -1123,6 +1123,7 @@ source "drivers/s390/char/Kconfig" config RAMOOPS tristate "Log panic/oops to a RAM buffer" + depends on HAS_IOMEM default n help This enables panic and oops messages to be logged to a circular diff --git a/drivers/misc/vmware_balloon.c b/drivers/misc/vmware_balloon.c index db9cd02..2a1e804 100644 --- a/drivers/misc/vmware_balloon.c +++ b/drivers/misc/vmware_balloon.c @@ -45,7 +45,7 @@ MODULE_AUTHOR("VMware, Inc."); MODULE_DESCRIPTION("VMware Memory Control (Balloon) Driver"); -MODULE_VERSION("1.2.1.0-K"); +MODULE_VERSION("1.2.1.1-k"); MODULE_ALIAS("dmi:*:svnVMware*:*"); MODULE_ALIAS("vmware_vmmemctl"); MODULE_LICENSE("GPL"); @@ -101,6 +101,8 @@ MODULE_LICENSE("GPL"); /* Maximum number of page allocations without yielding processor */ #define VMW_BALLOON_YIELD_THRESHOLD 1024 +/* Maximum number of refused pages we accumulate during inflation cycle */ +#define VMW_BALLOON_MAX_REFUSED 16 /* * Hypervisor communication port definitions. @@ -183,6 +185,7 @@ struct vmballoon { /* transient list of non-balloonable pages */ struct list_head refused_pages; + unsigned int n_refused_pages; /* balloon size in pages */ unsigned int size; @@ -428,14 +431,21 @@ static int vmballoon_reserve_page(struct vmballoon *b, bool can_sleep) /* inform monitor */ locked = vmballoon_send_lock_page(b, page_to_pfn(page)); if (!locked) { + STATS_INC(b->stats.refused_alloc); + if (b->reset_required) { __free_page(page); return -EIO; } - /* place on list of non-balloonable pages, retry allocation */ + /* + * Place page on the list of non-balloonable pages + * and retry allocation, unless we already accumulated + * too many of them, in which case take a breather. + */ list_add(&page->lru, &b->refused_pages); - STATS_INC(b->stats.refused_alloc); + if (++b->n_refused_pages >= VMW_BALLOON_MAX_REFUSED) + return -EIO; } } while (!locked); @@ -483,6 +493,8 @@ static void vmballoon_release_refused_pages(struct vmballoon *b) __free_page(page); STATS_INC(b->stats.refused_free); } + + b->n_refused_pages = 0; } /* diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index 2b28168..d98ddcf 100644 --- a/drivers/mmc/host/omap.c +++ b/drivers/mmc/host/omap.c @@ -1157,7 +1157,6 @@ static void mmc_omap_start_request(struct mmc_omap_host *host, mmc_omap_start_command(host, req->cmd); if (host->dma_in_use) omap_start_dma(host->dma_ch); - BUG_ON(irqs_disabled()); } static void mmc_omap_request(struct mmc_host *mmc, struct mmc_request *req) diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index e5972b2..70b68d3 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -495,8 +495,6 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev) pr_debug("s3c2410_rtc: RTCCON=%02x\n", readb(s3c_rtc_base + S3C2410_RTCCON)); - s3c_rtc_setfreq(&pdev->dev, 1); - device_init_wakeup(&pdev->dev, 1); /* register RTC and exit */ @@ -510,14 +508,17 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev) goto err_nortc; } + s3c_rtc_cpu_type = platform_get_device_id(pdev)->driver_data; + if (s3c_rtc_cpu_type == TYPE_S3C64XX) rtc->max_user_freq = 32768; else rtc->max_user_freq = 128; - s3c_rtc_cpu_type = platform_get_device_id(pdev)->driver_data; - platform_set_drvdata(pdev, rtc); + + s3c_rtc_setfreq(&pdev->dev, 1); + return 0; err_nortc: diff --git a/drivers/sfi/sfi_core.c b/drivers/sfi/sfi_core.c index 0051959..ceba593 100644 --- a/drivers/sfi/sfi_core.c +++ b/drivers/sfi/sfi_core.c @@ -441,8 +441,10 @@ struct sfi_table_attr __init *sfi_sysfs_install_table(u64 pa) ret = sysfs_create_bin_file(tables_kobj, &tbl_attr->attr); - if (ret) + if (ret) { kfree(tbl_attr); + tbl_attr = NULL; + } sfi_unmap_table(th); return tbl_attr; diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 0c2f14f..61d7550 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1201,7 +1201,7 @@ made_compressed_probe: if (rcv->urb == NULL) { dev_dbg(&intf->dev, "out of memory (read urbs usb_alloc_urb)\n"); - goto alloc_fail7; + goto alloc_fail6; } rcv->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; @@ -1225,7 +1225,7 @@ made_compressed_probe: if (snd->urb == NULL) { dev_dbg(&intf->dev, "out of memory (write urbs usb_alloc_urb)"); - goto alloc_fail7; + goto alloc_fail8; } if (usb_endpoint_xfer_int(epwrite)) @@ -1264,6 +1264,7 @@ made_compressed_probe: i = device_create_file(&intf->dev, &dev_attr_iCountryCodeRelDate); if (i < 0) { + device_remove_file(&intf->dev, &dev_attr_wCountryCodes); kfree(acm->country_codes); goto skip_countries; } @@ -1300,6 +1301,7 @@ alloc_fail8: usb_free_urb(acm->wb[i].urb); alloc_fail7: acm_read_buffers_free(acm); +alloc_fail6: for (i = 0; i < num_rx_buf; i++) usb_free_urb(acm->ru[i].urb); usb_free_urb(acm->ctrlurb); diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index ded550e..de98a94 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -1328,6 +1328,7 @@ int usb_resume(struct device *dev, pm_message_t msg) /* For all other calls, take the device back to full power and * tell the PM core in case it was autosuspended previously. + * Unbind the interfaces that will need rebinding later. */ } else { status = usb_resume_both(udev, msg); @@ -1336,6 +1337,7 @@ int usb_resume(struct device *dev, pm_message_t msg) pm_runtime_set_active(dev); pm_runtime_enable(dev); udev->last_busy = jiffies; + do_unbind_rebind(udev, DO_REBIND); } } diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 649c0c5..591ae9f 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -295,6 +295,7 @@ config USB_GADGET_S3C_HSOTG boolean "S3C HS/OtG USB Device controller" depends on S3C_DEV_USB_HSOTG select USB_GADGET_S3C_HSOTG_PIO + select USB_GADGET_DUALSPEED help The Samsung S3C64XX USB2.0 high-speed gadget controller integrated into the S3C64XX series SoC. diff --git a/drivers/usb/gadget/f_audio.c b/drivers/usb/gadget/f_audio.c index 43bf445..b91115f 100644 --- a/drivers/usb/gadget/f_audio.c +++ b/drivers/usb/gadget/f_audio.c @@ -101,7 +101,7 @@ static struct uac_feature_unit_descriptor_0 feature_unit_desc = { static struct usb_audio_control mute_control = { .list = LIST_HEAD_INIT(mute_control.list), .name = "Mute Control", - .type = UAC_MUTE_CONTROL, + .type = UAC_FU_MUTE, /* Todo: add real Mute control code */ .set = generic_set_cmd, .get = generic_get_cmd, @@ -110,7 +110,7 @@ static struct usb_audio_control mute_control = { static struct usb_audio_control volume_control = { .list = LIST_HEAD_INIT(volume_control.list), .name = "Volume Control", - .type = UAC_VOLUME_CONTROL, + .type = UAC_FU_VOLUME, /* Todo: add real Volume control code */ .set = generic_set_cmd, .get = generic_get_cmd, diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index 1f73b48..26193ec 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -297,6 +297,12 @@ static void s3c_hsotg_ctrl_epint(struct s3c_hsotg *hsotg, */ static void s3c_hsotg_init_fifo(struct s3c_hsotg *hsotg) { + unsigned int ep; + unsigned int addr; + unsigned int size; + int timeout; + u32 val; + /* the ryu 2.6.24 release ahs writel(0x1C0, hsotg->regs + S3C_GRXFSIZ); writel(S3C_GNPTXFSIZ_NPTxFStAddr(0x200) | @@ -310,6 +316,51 @@ static void s3c_hsotg_init_fifo(struct s3c_hsotg *hsotg) writel(S3C_GNPTXFSIZ_NPTxFStAddr(2048) | S3C_GNPTXFSIZ_NPTxFDep(0x1C0), hsotg->regs + S3C_GNPTXFSIZ); + + /* arange all the rest of the TX FIFOs, as some versions of this + * block have overlapping default addresses. This also ensures + * that if the settings have been changed, then they are set to + * known values. */ + + /* start at the end of the GNPTXFSIZ, rounded up */ + addr = 2048 + 1024; + size = 768; + + /* currently we allocate TX FIFOs for all possible endpoints, + * and assume that they are all the same size. */ + + for (ep = 0; ep <= 15; ep++) { + val = addr; + val |= size << S3C_DPTXFSIZn_DPTxFSize_SHIFT; + addr += size; + + writel(val, hsotg->regs + S3C_DPTXFSIZn(ep)); + } + + /* according to p428 of the design guide, we need to ensure that + * all fifos are flushed before continuing */ + + writel(S3C_GRSTCTL_TxFNum(0x10) | S3C_GRSTCTL_TxFFlsh | + S3C_GRSTCTL_RxFFlsh, hsotg->regs + S3C_GRSTCTL); + + /* wait until the fifos are both flushed */ + timeout = 100; + while (1) { + val = readl(hsotg->regs + S3C_GRSTCTL); + + if ((val & (S3C_GRSTCTL_TxFFlsh | S3C_GRSTCTL_RxFFlsh)) == 0) + break; + + if (--timeout == 0) { + dev_err(hsotg->dev, + "%s: timeout flushing fifos (GRSTCTL=%08x)\n", + __func__, val); + } + + udelay(1); + } + + dev_dbg(hsotg->dev, "FIFOs reset, timeout at %d\n", timeout); } /** @@ -2574,6 +2625,9 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver) writel(S3C_DCTL_CGOUTNak | S3C_DCTL_CGNPInNAK, hsotg->regs + S3C_DCTL); + /* must be at-least 3ms to allow bus to see disconnect */ + msleep(3); + /* remove the soft-disconnect and let's go */ __bic32(hsotg->regs + S3C_DCTL, S3C_DCTL_SftDiscon); @@ -2730,6 +2784,9 @@ static void s3c_hsotg_init(struct s3c_hsotg *hsotg) writel(0, hsotg->regs + S3C_DAINTMSK); + /* Be in disconnected state until gadget is registered */ + __orr32(hsotg->regs + S3C_DCTL, S3C_DCTL_SftDiscon); + if (0) { /* post global nak until we're ready */ writel(S3C_DCTL_SGNPInNAK | S3C_DCTL_SGOUTNak, diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index ef3e88f..a3ef2a9 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1135,7 +1135,7 @@ MODULE_LICENSE ("GPL"); #ifdef CONFIG_XPS_USB_HCD_XILINX #include "ehci-xilinx-of.c" -#define OF_PLATFORM_DRIVER ehci_hcd_xilinx_of_driver +#define XILINX_OF_PLATFORM_DRIVER ehci_hcd_xilinx_of_driver #endif #ifdef CONFIG_PLAT_ORION @@ -1159,7 +1159,8 @@ MODULE_LICENSE ("GPL"); #endif #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \ - !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) + !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \ + !defined(XILINX_OF_PLATFORM_DRIVER) #error "missing bus glue for ehci-hcd" #endif @@ -1213,10 +1214,20 @@ static int __init ehci_hcd_init(void) if (retval < 0) goto clean3; #endif + +#ifdef XILINX_OF_PLATFORM_DRIVER + retval = of_register_platform_driver(&XILINX_OF_PLATFORM_DRIVER); + if (retval < 0) + goto clean4; +#endif return retval; +#ifdef XILINX_OF_PLATFORM_DRIVER + /* of_unregister_platform_driver(&XILINX_OF_PLATFORM_DRIVER); */ +clean4: +#endif #ifdef OF_PLATFORM_DRIVER - /* of_unregister_platform_driver(&OF_PLATFORM_DRIVER); */ + of_unregister_platform_driver(&OF_PLATFORM_DRIVER); clean3: #endif #ifdef PS3_SYSTEM_BUS_DRIVER @@ -1243,6 +1254,9 @@ module_init(ehci_hcd_init); static void __exit ehci_hcd_cleanup(void) { +#ifdef XILINX_OF_PLATFORM_DRIVER + of_unregister_platform_driver(&XILINX_OF_PLATFORM_DRIVER); +#endif #ifdef OF_PLATFORM_DRIVER of_unregister_platform_driver(&OF_PLATFORM_DRIVER); #endif diff --git a/drivers/usb/host/isp1362.h b/drivers/usb/host/isp1362.h index 5151516..d995351 100644 --- a/drivers/usb/host/isp1362.h +++ b/drivers/usb/host/isp1362.h @@ -65,7 +65,7 @@ static inline void delayed_insw(unsigned int addr, void *buf, int len) unsigned short *bp = (unsigned short *)buf; while (len--) { DUMMY_DELAY_ACCESS; - *bp++ = inw((void *)addr); + *bp++ = inw(addr); } } diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index edffd81..11482b6 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -78,6 +78,8 @@ static int xhci_pci_setup(struct usb_hcd *hcd) xhci_dbg(xhci, "QUIRK: Fresco Logic xHC needs configure" " endpoint cmd after reset endpoint\n"); } + if (pdev->vendor == PCI_VENDOR_ID_NEC) + xhci->quirks |= XHCI_NEC_HOST; /* Make sure the HC is halted. */ retval = xhci_halt(xhci); diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 36c858e..9012098 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1071,6 +1071,15 @@ bandwidth_change: xhci_warn(xhci, "Reset device command completion " "for disabled slot %u\n", slot_id); break; + case TRB_TYPE(TRB_NEC_GET_FW): + if (!(xhci->quirks & XHCI_NEC_HOST)) { + xhci->error_bitmask |= 1 << 6; + break; + } + xhci_dbg(xhci, "NEC firmware version %2x.%02x\n", + NEC_FW_MAJOR(event->status), + NEC_FW_MINOR(event->status)); + break; default: /* Skip over unknown commands on the event ring */ xhci->error_bitmask |= 1 << 6; @@ -1079,6 +1088,17 @@ bandwidth_change: inc_deq(xhci, xhci->cmd_ring, false); } +static void handle_vendor_event(struct xhci_hcd *xhci, + union xhci_trb *event) +{ + u32 trb_type; + + trb_type = TRB_FIELD_TO_TYPE(event->generic.field[3]); + xhci_dbg(xhci, "Vendor specific event TRB type = %u\n", trb_type); + if (trb_type == TRB_NEC_CMD_COMP && (xhci->quirks & XHCI_NEC_HOST)) + handle_cmd_completion(xhci, &event->event_cmd); +} + static void handle_port_status(struct xhci_hcd *xhci, union xhci_trb *event) { @@ -1659,7 +1679,10 @@ void xhci_handle_event(struct xhci_hcd *xhci) update_ptrs = 0; break; default: - xhci->error_bitmask |= 1 << 3; + if ((event->event_cmd.flags & TRB_TYPE_BITMASK) >= TRB_TYPE(48)) + handle_vendor_event(xhci, event); + else + xhci->error_bitmask |= 1 << 3; } /* Any of the above functions may drop and re-acquire the lock, so check * to make sure a watchdog timer didn't mark the host as non-responsive. @@ -2378,6 +2401,12 @@ int xhci_queue_address_device(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr, false); } +int xhci_queue_vendor_command(struct xhci_hcd *xhci, + u32 field1, u32 field2, u32 field3, u32 field4) +{ + return queue_command(xhci, field1, field2, field3, field4, false); +} + /* Queue a reset device command TRB */ int xhci_queue_reset_device(struct xhci_hcd *xhci, u32 slot_id) { diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 40e0a0c..27345cd 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -106,6 +106,33 @@ int xhci_halt(struct xhci_hcd *xhci) } /* + * Set the run bit and wait for the host to be running. + */ +int xhci_start(struct xhci_hcd *xhci) +{ + u32 temp; + int ret; + + temp = xhci_readl(xhci, &xhci->op_regs->command); + temp |= (CMD_RUN); + xhci_dbg(xhci, "// Turn on HC, cmd = 0x%x.\n", + temp); + xhci_writel(xhci, temp, &xhci->op_regs->command); + + /* + * Wait for the HCHalted Status bit to be 0 to indicate the host is + * running. + */ + ret = handshake(xhci, &xhci->op_regs->status, + STS_HALT, 0, XHCI_MAX_HALT_USEC); + if (ret == -ETIMEDOUT) + xhci_err(xhci, "Host took too long to start, " + "waited %u microseconds.\n", + XHCI_MAX_HALT_USEC); + return ret; +} + +/* * Reset a halted HC, and set the internal HC state to HC_STATE_HALT. * * This resets pipelines, timers, counters, state machines, etc. @@ -116,6 +143,7 @@ int xhci_reset(struct xhci_hcd *xhci) { u32 command; u32 state; + int ret; state = xhci_readl(xhci, &xhci->op_regs->status); if ((state & STS_HALT) == 0) { @@ -130,7 +158,17 @@ int xhci_reset(struct xhci_hcd *xhci) /* XXX: Why does EHCI set this here? Shouldn't other code do this? */ xhci_to_hcd(xhci)->state = HC_STATE_HALT; - return handshake(xhci, &xhci->op_regs->command, CMD_RESET, 0, 250 * 1000); + ret = handshake(xhci, &xhci->op_regs->command, + CMD_RESET, 0, 250 * 1000); + if (ret) + return ret; + + xhci_dbg(xhci, "Wait for controller to be ready for doorbell rings\n"); + /* + * xHCI cannot write to any doorbells or operational registers other + * than status until the "Controller Not Ready" flag is cleared. + */ + return handshake(xhci, &xhci->op_regs->status, STS_CNR, 0, 250 * 1000); } @@ -448,17 +486,20 @@ int xhci_run(struct usb_hcd *hcd) if (NUM_TEST_NOOPS > 0) doorbell = xhci_setup_one_noop(xhci); + if (xhci->quirks & XHCI_NEC_HOST) + xhci_queue_vendor_command(xhci, 0, 0, 0, + TRB_TYPE(TRB_NEC_GET_FW)); + + if (xhci_start(xhci)) { + xhci_halt(xhci); + return -ENODEV; + } - temp = xhci_readl(xhci, &xhci->op_regs->command); - temp |= (CMD_RUN); - xhci_dbg(xhci, "// Turn on HC, cmd = 0x%x.\n", - temp); - xhci_writel(xhci, temp, &xhci->op_regs->command); - /* Flush PCI posted writes */ - temp = xhci_readl(xhci, &xhci->op_regs->command); xhci_dbg(xhci, "// @%p = 0x%x\n", &xhci->op_regs->command, temp); if (doorbell) (*doorbell)(xhci); + if (xhci->quirks & XHCI_NEC_HOST) + xhci_ring_cmd_db(xhci); xhci_dbg(xhci, "Finished xhci_run\n"); return 0; diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index dada2fb..8b4b7d3 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -925,6 +925,7 @@ union xhci_trb { /* TRB bit mask */ #define TRB_TYPE_BITMASK (0xfc00) #define TRB_TYPE(p) ((p) << 10) +#define TRB_FIELD_TO_TYPE(p) (((p) & TRB_TYPE_BITMASK) >> 10) /* TRB type IDs */ /* bulk, interrupt, isoc scatter/gather, and control data stage */ #define TRB_NORMAL 1 @@ -992,6 +993,14 @@ union xhci_trb { #define TRB_MFINDEX_WRAP 39 /* TRB IDs 40-47 reserved, 48-63 is vendor-defined */ +/* Nec vendor-specific command completion event. */ +#define TRB_NEC_CMD_COMP 48 +/* Get NEC firmware revision. */ +#define TRB_NEC_GET_FW 49 + +#define NEC_FW_MINOR(p) (((p) >> 0) & 0xff) +#define NEC_FW_MAJOR(p) (((p) >> 8) & 0xff) + /* * TRBS_PER_SEGMENT must be a multiple of 4, * since the command ring is 64-byte aligned. @@ -1172,6 +1181,7 @@ struct xhci_hcd { unsigned int quirks; #define XHCI_LINK_TRB_QUIRK (1 << 0) #define XHCI_RESET_EP_QUIRK (1 << 1) +#define XHCI_NEC_HOST (1 << 2) }; /* For testing purposes */ @@ -1379,6 +1389,8 @@ void xhci_set_hc_event_deq(struct xhci_hcd *xhci); int xhci_queue_slot_control(struct xhci_hcd *xhci, u32 trb_type, u32 slot_id); int xhci_queue_address_device(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr, u32 slot_id); +int xhci_queue_vendor_command(struct xhci_hcd *xhci, + u32 field1, u32 field2, u32 field3, u32 field4); int xhci_queue_stop_endpoint(struct xhci_hcd *xhci, int slot_id, unsigned int ep_index); int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, struct urb *urb, diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index 3edda3e..fd35f73 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -1239,8 +1239,7 @@ static void digi_write_bulk_callback(struct urb *urb) /* port and serial sanity check */ if (port == NULL || (priv = usb_get_serial_port_data(port)) == NULL) { - dev_err(&port->dev, - "%s: port or port->private is NULL, status=%d\n", + pr_err("%s: port or port->private is NULL, status=%d\n", __func__, status); return; } diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 050211a..79dd1ae 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -2005,6 +2005,8 @@ static void ftdi_set_termios(struct tty_struct *tty, "urb failed to set to rts/cts flow control\n"); } + /* raise DTR/RTS */ + set_mctrl(port, TIOCM_DTR | TIOCM_RTS); } else { /* * Xon/Xoff code @@ -2052,6 +2054,8 @@ static void ftdi_set_termios(struct tty_struct *tty, } } + /* lower DTR/RTS */ + clear_mctrl(port, TIOCM_DTR | TIOCM_RTS); } return; } diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index f8424d1..585b7e6 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -730,7 +730,6 @@ static void mos7840_bulk_in_callback(struct urb *urb) mos7840_port = urb->context; if (!mos7840_port) { dbg("%s", "NULL mos7840_port pointer"); - mos7840_port->read_urb_busy = false; return; } diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 1e6fec4..3d94a14 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -8,6 +8,9 @@ menu "Graphics support" config HAVE_FB_ATMEL bool +config HAVE_FB_IMX + bool + source "drivers/char/agp/Kconfig" source "drivers/gpu/vga/Kconfig" @@ -400,9 +403,6 @@ config FB_SA1100 If you plan to use the LCD display with your SA-1100 system, say Y here. -config HAVE_FB_IMX - bool - config FB_IMX tristate "Motorola i.MX LCD support" depends on FB && (HAVE_FB_IMX || ARCH_MX1 || ARCH_MX2) diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c index 073c9b4..6b93ef9 100644 --- a/drivers/video/fb_defio.c +++ b/drivers/video/fb_defio.c @@ -100,6 +100,16 @@ static int fb_deferred_io_mkwrite(struct vm_area_struct *vma, /* protect against the workqueue changing the page list */ mutex_lock(&fbdefio->lock); + /* + * We want the page to remain locked from ->page_mkwrite until + * the PTE is marked dirty to avoid page_mkclean() being called + * before the PTE is updated, which would leave the page ignored + * by defio. + * Do this by locking the page here and informing the caller + * about it with VM_FAULT_LOCKED. + */ + lock_page(page); + /* we loop through the pagelist before adding in order to keep the pagelist sorted */ list_for_each_entry(cur, &fbdefio->pagelist, lru) { @@ -121,7 +131,7 @@ page_already_added: /* come back after delay to process the deferred IO */ schedule_delayed_work(&info->deferred_work, fbdefio->delay); - return 0; + return VM_FAULT_LOCKED; } static const struct vm_operations_struct fb_deferred_io_vm_ops = { @@ -155,41 +165,25 @@ static void fb_deferred_io_work(struct work_struct *work) { struct fb_info *info = container_of(work, struct fb_info, deferred_work.work); + struct list_head *node, *next; + struct page *cur; struct fb_deferred_io *fbdefio = info->fbdefio; - struct page *page, *tmp_page; - struct list_head *node, *tmp_node; - struct list_head non_dirty; - - INIT_LIST_HEAD(&non_dirty); /* here we mkclean the pages, then do all deferred IO */ mutex_lock(&fbdefio->lock); - list_for_each_entry_safe(page, tmp_page, &fbdefio->pagelist, lru) { - lock_page(page); - /* - * The workqueue callback can be triggered after a - * ->page_mkwrite() call but before the PTE has been marked - * dirty. In this case page_mkclean() won't "rearm" the page. - * - * To avoid this, remove those "non-dirty" pages from the - * pagelist before calling the driver's callback, then add - * them back to get processed on the next work iteration. - * At that time, their PTEs will hopefully be dirty for real. - */ - if (!page_mkclean(page)) - list_move_tail(&page->lru, &non_dirty); - unlock_page(page); + list_for_each_entry(cur, &fbdefio->pagelist, lru) { + lock_page(cur); + page_mkclean(cur); + unlock_page(cur); } /* driver's callback with pagelist */ fbdefio->deferred_io(info, &fbdefio->pagelist); - /* clear the list... */ - list_for_each_safe(node, tmp_node, &fbdefio->pagelist) { + /* clear the list */ + list_for_each_safe(node, next, &fbdefio->pagelist) { list_del(node); } - /* ... and add back the "non-dirty" pages to the list */ - list_splice_tail(&non_dirty, &fbdefio->pagelist); mutex_unlock(&fbdefio->lock); } @@ -218,7 +212,6 @@ EXPORT_SYMBOL_GPL(fb_deferred_io_open); void fb_deferred_io_cleanup(struct fb_info *info) { struct fb_deferred_io *fbdefio = info->fbdefio; - struct list_head *node, *tmp_node; struct page *page; int i; @@ -226,13 +219,6 @@ void fb_deferred_io_cleanup(struct fb_info *info) cancel_delayed_work(&info->deferred_work); flush_scheduled_work(); - /* the list may have still some non-dirty pages at this point */ - mutex_lock(&fbdefio->lock); - list_for_each_safe(node, tmp_node, &fbdefio->pagelist) { - list_del(node); - } - mutex_unlock(&fbdefio->lock); - /* clear out the mapping that we setup */ for (i = 0 ; i < info->fix.smem_len; i += PAGE_SIZE) { page = fb_deferred_io_page(info, i); |