diff options
27 files changed, 168 insertions, 91 deletions
diff --git a/Documentation/ManagementStyle b/Documentation/ManagementStyle index cbbebfb51ff..49a8efa5afe 100644 --- a/Documentation/ManagementStyle +++ b/Documentation/ManagementStyle @@ -166,7 +166,7 @@ To solve this problem, you really only have two options: The option of being unfailingly polite really doesn't exist. Nobody will trust somebody who is so clearly hiding his true character. -(*) Paul Simon sang "Fifty Ways to Lose Your Lover", because quite +(*) Paul Simon sang "Fifty Ways to Leave Your Lover", because quite frankly, "A Million Ways to Tell a Developer He Is a D*ckhead" doesn't scan nearly as well. But I'm sure he thought about it. diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index b41cde31d11..586b6f85d4e 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1,5 +1,5 @@ - Kernel Parameters - ~~~~~~~~~~~~~~~~~ + Kernel Parameters + ~~~~~~~~~~~~~~~~~ The following is a consolidated list of the kernel parameters as implemented (mostly) by the __setup() macro and sorted into English Dictionary order @@ -468,9 +468,6 @@ and is between 256 and 4096 characters. It is defined in the file Format: <first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>] - cpia_pp= [HW,PPT] - Format: { parport<nr> | auto | none } - crashkernel=nn[KMG]@ss[KMG] [KNL] Reserve a chunk of physical memory to hold a kernel to switch to with kexec on panic. @@ -1465,7 +1462,7 @@ and is between 256 and 4096 characters. It is defined in the file reboot= [BUGS=X86-32,BUGS=ARM,BUGS=IA-64] Rebooting mode Format: <reboot_mode>[,<reboot_mode2>[,...]] - See arch/*/kernel/reboot.c or arch/*/kernel/process.c + See arch/*/kernel/reboot.c or arch/*/kernel/process.c reserve= [KNL,BUGS] Force the kernel to ignore some iomem area @@ -1553,12 +1550,12 @@ and is between 256 and 4096 characters. It is defined in the file selinux_compat_net = [SELINUX] Set initial selinux_compat_net flag value. - Format: { "0" | "1" } - 0 -- use new secmark-based packet controls - 1 -- use legacy packet controls - Default value is 0 (preferred). - Value can be changed at runtime via - /selinux/compat_net. + Format: { "0" | "1" } + 0 -- use new secmark-based packet controls + 1 -- use legacy packet controls + Default value is 0 (preferred). + Value can be changed at runtime via + /selinux/compat_net. serialnumber [BUGS=X86-32] @@ -1957,7 +1954,7 @@ and is between 256 and 4096 characters. It is defined in the file norandmaps Don't use address space randomization Equivalent to echo 0 > /proc/sys/kernel/randomize_va_space - unwind_debug=N N > 0 will enable dwarf2 unwinder debugging + unwind_debug=N N > 0 will enable dwarf2 unwinder debugging This is useful to get more information why you got a "dwarf2 unwinder stuck" diff --git a/Documentation/video4linux/cx2341x/fw-encoder-api.txt b/Documentation/video4linux/cx2341x/fw-encoder-api.txt index 5dd3109a8b3..5a27af2ee1c 100644 --- a/Documentation/video4linux/cx2341x/fw-encoder-api.txt +++ b/Documentation/video4linux/cx2341x/fw-encoder-api.txt @@ -407,8 +407,10 @@ Description u32 length; // Length of this frame u32 offset_low; // Offset in the file of the u32 offset_high; // start of this frame - u32 mask1; // Bits 0-1 are the type mask: + u32 mask1; // Bits 0-2 are the type mask: // 1=I, 2=P, 4=B + // 0=End of Program Index, other fields + // are invalid. u32 pts; // The PTS of the frame u32 mask2; // Bit 0 is bit 32 of the pts. }; diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 06448a9656d..3e004161ebd 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -199,7 +199,14 @@ static inline void check_wait(void) if ((c->processor_id & 0xff) <= 0x64) break; - cpu_wait = r4k_wait; + /* + * Another rev is incremeting c0_count at a reduced clock + * rate while in WAIT mode. So we basically have the choice + * between using the cp0 timer as clocksource or avoiding + * the WAIT instruction. Until more details are known, + * disable the use of WAIT for 20Kc entirely. + cpu_wait = r4k_wait; + */ break; case CPU_RM9000: if ((c->processor_id & 0x00ff) >= 0x40) diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c index aab89e97abb..1ba00c15505 100644 --- a/arch/mips/kernel/rtlx.c +++ b/arch/mips/kernel/rtlx.c @@ -56,8 +56,6 @@ static struct chan_waitqueues { struct mutex mutex; } channel_wqs[RTLX_CHANNELS]; -static struct irqaction irq; -static int irq_num; static struct vpe_notifications notify; static int sp_stopping = 0; @@ -111,7 +109,7 @@ static void __used dump_rtlx(void) static int rtlx_init(struct rtlx_info *rtlxi) { if (rtlxi->id != RTLX_ID) { - printk(KERN_ERR "no valid RTLX id at 0x%p 0x%x\n", rtlxi, rtlxi->id); + printk(KERN_ERR "no valid RTLX id at 0x%p 0x%lx\n", rtlxi, rtlxi->id); return -ENOEXEC; } diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 53d7a977193..118be24224f 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -375,7 +375,7 @@ EXPORT(sysn32_call_table) PTR sys_mkdirat PTR sys_mknodat PTR sys_fchownat - PTR sys_futimesat /* 6255 */ + PTR compat_sys_futimesat /* 6255 */ PTR sys_newfstatat PTR sys_unlinkat PTR sys_renameat diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c index d48d1d5bea0..9a5596bf857 100644 --- a/arch/mips/kernel/time.c +++ b/arch/mips/kernel/time.c @@ -16,6 +16,7 @@ #include <linux/init.h> #include <linux/sched.h> #include <linux/param.h> +#include <linux/profile.h> #include <linux/time.h> #include <linux/timex.h> #include <linux/smp.h> diff --git a/arch/mips/mips-boards/malta/malta_int.c b/arch/mips/mips-boards/malta/malta_int.c index 97aeb8c4e60..b73f21823c5 100644 --- a/arch/mips/mips-boards/malta/malta_int.c +++ b/arch/mips/mips-boards/malta/malta_int.c @@ -256,7 +256,7 @@ asmlinkage void plat_irq_dispatch(void) if (irq == MIPSCPU_INT_I8259A) malta_hw0_irqdispatch(); - else if (irq > 0) + else if (irq >= 0) do_IRQ(MIPS_CPU_IRQ_BASE + irq); else spurious_interrupt(); diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 9cb39644b6f..6c425b05244 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -58,6 +58,21 @@ static __init int __maybe_unused r10000_llsc_war(void) } /* + * Found by experiment: At least some revisions of the 4kc throw under + * some circumstances a machine check exception, triggered by invalid + * values in the index register. Delaying the tlbp instruction until + * after the next branch, plus adding an additional nop in front of + * tlbwi/tlbwr avoids the invalid index register values. Nobody knows + * why; it's not an issue caused by the core RTL. + * + */ +static __init int __attribute__((unused)) m4kc_tlbp_war(void) +{ + return (current_cpu_data.processor_id & 0xffff00) == + (PRID_COMP_MIPS | PRID_IMP_4KC); +} + +/* * A little micro-assembler, intended for TLB refill handler * synthesizing. It is intentionally kept simple, does only support * a subset of instructions, and does not try to hide pipeline effects @@ -894,6 +909,8 @@ static __init void build_tlb_write_entry(u32 **p, struct label **l, case CPU_20KC: case CPU_25KF: case CPU_LOONGSON2: + if (m4kc_tlbp_war()) + i_nop(p); tlbw(p); break; @@ -1705,7 +1722,8 @@ build_r4000_tlbchange_handler_head(u32 **p, struct label **l, l_smp_pgtable_change(l, *p); # endif iPTE_LW(p, l, pte, ptr); /* get even pte */ - build_tlb_probe_entry(p); + if (!m4kc_tlbp_war()) + build_tlb_probe_entry(p); } static void __init @@ -1747,6 +1765,8 @@ static void __init build_r4000_tlb_load_handler(void) build_r4000_tlbchange_handler_head(&p, &l, &r, K0, K1); build_pte_present(&p, &l, &r, K0, K1, label_nopage_tlbl); + if (m4kc_tlbp_war()) + build_tlb_probe_entry(&p); build_make_valid(&p, &r, K0, K1); build_r4000_tlbchange_handler_tail(&p, &l, &r, K0, K1); @@ -1781,6 +1801,8 @@ static void __init build_r4000_tlb_store_handler(void) build_r4000_tlbchange_handler_head(&p, &l, &r, K0, K1); build_pte_writable(&p, &l, &r, K0, K1, label_nopage_tlbs); + if (m4kc_tlbp_war()) + build_tlb_probe_entry(&p); build_make_write(&p, &r, K0, K1); build_r4000_tlbchange_handler_tail(&p, &l, &r, K0, K1); @@ -1815,6 +1837,8 @@ static void __init build_r4000_tlb_modify_handler(void) build_r4000_tlbchange_handler_head(&p, &l, &r, K0, K1); build_pte_modifiable(&p, &l, &r, K0, K1, label_nopage_tlbm); + if (m4kc_tlbp_war()) + build_tlb_probe_entry(&p); /* Present and writable bits set, set accessed and dirty bits. */ build_make_write(&p, &r, K0, K1); build_r4000_tlbchange_handler_tail(&p, &l, &r, K0, K1); diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index a15845c164f..ed39313c408 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -1075,12 +1075,6 @@ void blk_queue_end_tag(struct request_queue *q, struct request *rq) */ return; - if (unlikely(!__test_and_clear_bit(tag, bqt->tag_map))) { - printk(KERN_ERR "%s: attempt to clear non-busy tag (%d)\n", - __FUNCTION__, tag); - return; - } - list_del_init(&rq->queuelist); rq->cmd_flags &= ~REQ_QUEUED; rq->tag = -1; @@ -1090,6 +1084,19 @@ void blk_queue_end_tag(struct request_queue *q, struct request *rq) __FUNCTION__, tag); bqt->tag_index[tag] = NULL; + + /* + * We use test_and_clear_bit's memory ordering properties here. + * The tag_map bit acts as a lock for tag_index[bit], so we need + * a barrer before clearing the bit (precisely: release semantics). + * Could use clear_bit_unlock when it is merged. + */ + if (unlikely(!test_and_clear_bit(tag, bqt->tag_map))) { + printk(KERN_ERR "%s: attempt to clear non-busy tag (%d)\n", + __FUNCTION__, tag); + return; + } + bqt->busy--; } @@ -1136,6 +1143,10 @@ int blk_queue_start_tag(struct request_queue *q, struct request *rq) return 1; } while (test_and_set_bit(tag, bqt->tag_map)); + /* + * We rely on test_and_set_bit providing lock memory ordering semantics + * (could use test_and_set_bit_lock when it is merged). + */ rq->cmd_flags |= REQ_QUEUED; rq->tag = tag; diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index 3ac9cbce336..336be86c6f5 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -619,7 +619,7 @@ unsigned long segment_base(u16 selector); void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, const u8 *old, const u8 *new, int bytes); int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva); -void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu); +void __kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu); int kvm_mmu_load(struct kvm_vcpu *vcpu); void kvm_mmu_unload(struct kvm_vcpu *vcpu); @@ -628,11 +628,15 @@ int kvm_hypercall(struct kvm_vcpu *vcpu, struct kvm_run *run); static inline int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code) { - if (unlikely(vcpu->kvm->n_free_mmu_pages < KVM_MIN_FREE_MMU_PAGES)) - kvm_mmu_free_some_pages(vcpu); return vcpu->mmu.page_fault(vcpu, gva, error_code); } +static inline void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu) +{ + if (unlikely(vcpu->kvm->n_free_mmu_pages < KVM_MIN_FREE_MMU_PAGES)) + __kvm_mmu_free_some_pages(vcpu); +} + static inline int kvm_mmu_reload(struct kvm_vcpu *vcpu) { if (likely(vcpu->mmu.root_hpa != INVALID_PAGE)) diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c index 1a87ba9d515..23965aa5ee7 100644 --- a/drivers/kvm/mmu.c +++ b/drivers/kvm/mmu.c @@ -273,12 +273,14 @@ static int mmu_topup_memory_caches(struct kvm_vcpu *vcpu) int r; r = __mmu_topup_memory_caches(vcpu, GFP_NOWAIT); + kvm_mmu_free_some_pages(vcpu); if (r < 0) { spin_unlock(&vcpu->kvm->lock); kvm_arch_ops->vcpu_put(vcpu); r = __mmu_topup_memory_caches(vcpu, GFP_KERNEL); kvm_arch_ops->vcpu_load(vcpu); spin_lock(&vcpu->kvm->lock); + kvm_mmu_free_some_pages(vcpu); } return r; } @@ -1208,7 +1210,7 @@ int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva) return kvm_mmu_unprotect_page(vcpu, gpa >> PAGE_SHIFT); } -void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu) +void __kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu) { while (vcpu->kvm->n_free_mmu_pages < KVM_REFILL_PAGES) { struct kvm_mmu_page *page; @@ -1218,7 +1220,6 @@ void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu) kvm_mmu_zap_page(vcpu->kvm, page); } } -EXPORT_SYMBOL_GPL(kvm_mmu_free_some_pages); static void free_mmu_pages(struct kvm_vcpu *vcpu) { diff --git a/drivers/md/dm-bio-list.h b/drivers/md/dm-bio-list.h index 16ee3b018b3..3f7b827649e 100644 --- a/drivers/md/dm-bio-list.h +++ b/drivers/md/dm-bio-list.h @@ -9,6 +9,8 @@ #include <linux/bio.h> +#ifdef CONFIG_BLOCK + struct bio_list { struct bio *head; struct bio *tail; @@ -106,4 +108,5 @@ static inline struct bio *bio_list_get(struct bio_list *bl) return bio; } +#endif /* CONFIG_BLOCK */ #endif diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c index 317a2a3f9cc..da7a6b591a6 100644 --- a/drivers/media/video/cx88/cx88-mpeg.c +++ b/drivers/media/video/cx88/cx88-mpeg.c @@ -580,7 +580,7 @@ struct cx8802_dev * cx8802_get_device(struct inode *inode) list_for_each(list,&cx8802_devlist) { h = list_entry(list, struct cx8802_dev, devlist); - if (h->mpeg_dev->minor == minor) + if (h->mpeg_dev && h->mpeg_dev->minor == minor) return h; } diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c index 5dd519caf81..0285c4a830e 100644 --- a/drivers/media/video/ivtv/ivtv-fileops.c +++ b/drivers/media/video/ivtv/ivtv-fileops.c @@ -190,7 +190,9 @@ static void ivtv_update_pgm_info(struct ivtv *itv) int idx = (itv->pgm_info_write_idx + i) % itv->pgm_info_num; struct v4l2_enc_idx_entry *e = itv->pgm_info + idx; u32 addr = itv->pgm_info_offset + 4 + idx * 24; - const int mapping[] = { V4L2_ENC_IDX_FRAME_P, V4L2_ENC_IDX_FRAME_I, V4L2_ENC_IDX_FRAME_B, 0 }; + const int mapping[8] = { -1, V4L2_ENC_IDX_FRAME_I, V4L2_ENC_IDX_FRAME_P, -1, + V4L2_ENC_IDX_FRAME_B, -1, -1, -1 }; + // 1=I, 2=P, 4=B e->offset = read_enc(addr + 4) + ((u64)read_enc(addr + 8) << 32); if (e->offset > itv->mpg_data_received) { @@ -199,7 +201,7 @@ static void ivtv_update_pgm_info(struct ivtv *itv) e->offset += itv->vbi_data_inserted; e->length = read_enc(addr); e->pts = read_enc(addr + 16) + ((u64)(read_enc(addr + 20) & 1) << 32); - e->flags = mapping[read_enc(addr + 12) & 3]; + e->flags = mapping[read_enc(addr + 12) & 7]; i++; } itv->pgm_info_write_idx = (itv->pgm_info_write_idx + i) % itv->pgm_info_num; diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index 5977a79619c..dfe0aedc60f 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -1099,14 +1099,21 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void case VIDIOC_G_ENC_INDEX: { struct v4l2_enc_idx *idx = arg; + struct v4l2_enc_idx_entry *e = idx->entry; + int entries; int i; - idx->entries = (itv->pgm_info_write_idx + IVTV_MAX_PGM_INDEX - itv->pgm_info_read_idx) % + entries = (itv->pgm_info_write_idx + IVTV_MAX_PGM_INDEX - itv->pgm_info_read_idx) % IVTV_MAX_PGM_INDEX; - if (idx->entries > V4L2_ENC_IDX_ENTRIES) - idx->entries = V4L2_ENC_IDX_ENTRIES; - for (i = 0; i < idx->entries; i++) { - idx->entry[i] = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX]; + if (entries > V4L2_ENC_IDX_ENTRIES) + entries = V4L2_ENC_IDX_ENTRIES; + idx->entries = 0; + for (i = 0; i < entries; i++) { + *e = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX]; + if ((e->flags & V4L2_ENC_IDX_FRAME_MASK) <= V4L2_ENC_IDX_FRAME_B) { + idx->entries++; + e++; + } } itv->pgm_info_read_idx = (itv->pgm_info_read_idx + idx->entries) % IVTV_MAX_PGM_INDEX; break; diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c index 3d81966d8c4..931b274bffc 100644 --- a/drivers/media/video/pwc/pwc-if.c +++ b/drivers/media/video/pwc/pwc-if.c @@ -1243,7 +1243,7 @@ static int pwc_video_close(struct inode *inode, struct file *file) PWC_ERROR("Failed to power down camera (%d)\n", i); } pdev->vopen--; - PWC_DEBUG_OPEN("<< video_close() vopen=%d\n", i); + PWC_DEBUG_OPEN("<< video_close() vopen=%d\n", pdev->vopen); } else { pwc_cleanup(pdev); /* Free memory (don't set pdev to 0 just yet) */ diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index 8ec83bd7009..25ec1681081 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -1537,18 +1537,18 @@ struct saa7134_board saa7134_boards[] = { },{ .name = name_comp1, .vmux = 0, - .amux = LINE2, - .gpio = 0x00, + .amux = LINE1, + .gpio = 0x02, },{ .name = name_comp2, .vmux = 3, - .amux = LINE2, - .gpio = 0x00, + .amux = LINE1, + .gpio = 0x02, },{ .name = name_svideo, .vmux = 8, - .amux = LINE2, - .gpio = 0x00, + .amux = LINE1, + .gpio = 0x02, }}, .radio = { .name = name_radio, diff --git a/drivers/media/video/saa7191.c b/drivers/media/video/saa7191.c index 8615a6081a5..b4018cce328 100644 --- a/drivers/media/video/saa7191.c +++ b/drivers/media/video/saa7191.c @@ -130,7 +130,7 @@ static int saa7191_write_reg(struct i2c_client *client, u8 reg, /* the first byte of data must be the first subaddress number (register) */ static int saa7191_write_block(struct i2c_client *client, - u8 length, u8 *data) + u8 length, const u8 *data) { int i; int ret; @@ -592,7 +592,7 @@ static int saa7191_attach(struct i2c_adapter *adap, int addr, int kind) if (err) goto out_free_decoder; - err = saa7191_write_block(client, sizeof(initseq), (u8 *)initseq); + err = saa7191_write_block(client, sizeof(initseq), initseq); if (err) { printk(KERN_ERR "SAA7191 initialization failed\n"); goto out_detach_client; diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 7f17d0fd76c..ebf3dc20110 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -152,4 +152,10 @@ void usb_detect_quirks(struct usb_device *udev) /* do any special quirk handling here if needed */ if (udev->quirks & USB_QUIRK_NO_AUTOSUSPEND) usb_autosuspend_quirk(udev); + + /* By default, disable autosuspend for all non-hubs */ +#ifdef CONFIG_USB_SUSPEND + if (udev->descriptor.bDeviceClass != USB_CLASS_HUB) + udev->autosuspend_delay = -1; +#endif } diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 47e56079925..1ba19eaa197 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -285,15 +285,10 @@ static int device_reset(struct scsi_cmnd *srb) US_DEBUGP("%s called\n", __FUNCTION__); - result = usb_autopm_get_interface(us->pusb_intf); - if (result == 0) { - - /* lock the device pointers and do the reset */ - mutex_lock(&(us->dev_mutex)); - result = us->transport_reset(us); - mutex_unlock(&us->dev_mutex); - usb_autopm_put_interface(us->pusb_intf); - } + /* lock the device pointers and do the reset */ + mutex_lock(&(us->dev_mutex)); + result = us->transport_reset(us); + mutex_unlock(&us->dev_mutex); return result < 0 ? FAILED : SUCCESS; } diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index 25e557d4fe6..59181667066 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -184,14 +184,16 @@ static int storage_suspend(struct usb_interface *iface, pm_message_t message) { struct us_data *us = usb_get_intfdata(iface); - US_DEBUGP("%s\n", __FUNCTION__); - /* Wait until no command is running */ mutex_lock(&us->dev_mutex); + US_DEBUGP("%s\n", __FUNCTION__); if (us->suspend_resume_hook) (us->suspend_resume_hook)(us, US_SUSPEND); + /* When runtime PM is working, we'll set a flag to indicate + * whether we should autoresume when a SCSI request arrives. */ + mutex_unlock(&us->dev_mutex); return 0; } @@ -200,11 +202,13 @@ static int storage_resume(struct usb_interface *iface) { struct us_data *us = usb_get_intfdata(iface); - US_DEBUGP("%s\n", __FUNCTION__); + mutex_lock(&us->dev_mutex); + US_DEBUGP("%s\n", __FUNCTION__); if (us->suspend_resume_hook) (us->suspend_resume_hook)(us, US_RESUME); + mutex_unlock(&us->dev_mutex); return 0; } @@ -302,7 +306,6 @@ static int usb_stor_control_thread(void * __us) { struct us_data *us = (struct us_data *)__us; struct Scsi_Host *host = us_to_host(us); - int autopm_rc; for(;;) { US_DEBUGP("*** thread sleeping.\n"); @@ -311,9 +314,6 @@ static int usb_stor_control_thread(void * __us) US_DEBUGP("*** thread awakened.\n"); - /* Autoresume the device */ - autopm_rc = usb_autopm_get_interface(us->pusb_intf); - /* lock the device pointers */ mutex_lock(&(us->dev_mutex)); @@ -372,12 +372,6 @@ static int usb_stor_control_thread(void * __us) us->srb->result = SAM_STAT_GOOD; } - /* Did the autoresume fail? */ - else if (autopm_rc < 0) { - US_DEBUGP("Could not wake device\n"); - us->srb->result = DID_ERROR << 16; - } - /* we've got a command, let's do it! */ else { US_DEBUG(usb_stor_show_command(us->srb)); @@ -420,10 +414,6 @@ SkipForAbort: /* unlock the device pointers */ mutex_unlock(&us->dev_mutex); - - /* Start an autosuspend */ - if (autopm_rc == 0) - usb_autopm_put_interface(us->pusb_intf); } /* for (;;) */ /* Wait until we are told to stop */ @@ -941,7 +931,6 @@ retry: /* Should we unbind if no devices were detected? */ } - usb_autopm_put_interface(us->pusb_intf); complete_and_exit(&us->scanning_done, 0); } @@ -1027,7 +1016,6 @@ static int storage_probe(struct usb_interface *intf, goto BadDevice; } - usb_autopm_get_interface(intf); /* dropped in the scanning thread */ wake_up_process(th); return 0; @@ -1065,7 +1053,6 @@ static struct usb_driver usb_storage_driver = { .pre_reset = storage_pre_reset, .post_reset = storage_post_reset, .id_table = storage_usb_ids, - .supports_autosuspend = 1, }; static int __init usb_stor_init(void) diff --git a/drivers/video/aty/ati_ids.h b/drivers/video/aty/ati_ids.h index 685a754991c..dca2eb8f2dd 100644 --- a/drivers/video/aty/ati_ids.h +++ b/drivers/video/aty/ati_ids.h @@ -192,6 +192,12 @@ #define PCI_CHIP_RS300_5835 0x5835 #define PCI_CHIP_RS300_5836 0x5836 #define PCI_CHIP_RS300_5837 0x5837 +#define PCI_CHIP_RS480_5955 0x5955 +#define PCI_CHIP_RV280_5960 0x5960 +#define PCI_CHIP_RV280_5961 0x5961 +#define PCI_CHIP_RV280_5962 0x5962 +#define PCI_CHIP_RV280_5964 0x5964 +#define PCI_CHIP_RS482_5975 0x5975 #define PCI_CHIP_RV370_5B60 0x5B60 #define PCI_CHIP_RV370_5B61 0x5B61 #define PCI_CHIP_RV370_5B62 0x5B62 @@ -200,14 +206,8 @@ #define PCI_CHIP_RV370_5B65 0x5B65 #define PCI_CHIP_RV370_5B66 0x5B66 #define PCI_CHIP_RV370_5B67 0x5B67 -#define PCI_CHIP_RV280_5960 0x5960 -#define PCI_CHIP_RV280_5961 0x5961 -#define PCI_CHIP_RV280_5962 0x5962 -#define PCI_CHIP_RV280_5964 0x5964 -#define PCI_CHIP_RS485_5975 0x5975 #define PCI_CHIP_RV280_5C61 0x5C61 #define PCI_CHIP_RV280_5C63 0x5C63 #define PCI_CHIP_R423_5D57 0x5D57 #define PCI_CHIP_RS350_7834 0x7834 #define PCI_CHIP_RS350_7835 0x7835 -#define PCI_CHIP_RS480_5955 0x5955 diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c index 47ca62fe7c3..4b747bdaeea 100644 --- a/drivers/video/aty/radeon_base.c +++ b/drivers/video/aty/radeon_base.c @@ -102,6 +102,7 @@ static struct pci_device_id radeonfb_pci_table[] = { /* Radeon Xpress 200m */ CHIP_DEF(PCI_CHIP_RS480_5955, RS480, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY), + CHIP_DEF(PCI_CHIP_RS482_5975, RS480, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY), /* Mobility M6 */ CHIP_DEF(PCI_CHIP_RADEON_LY, RV100, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY), CHIP_DEF(PCI_CHIP_RADEON_LZ, RV100, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY), @@ -153,8 +154,6 @@ static struct pci_device_id radeonfb_pci_table[] = { /* Mobility 9200 (M9+) */ CHIP_DEF(PCI_CHIP_RV280_5C61, RV280, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY), CHIP_DEF(PCI_CHIP_RV280_5C63, RV280, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY), - /*Mobility Xpress 200 */ - CHIP_DEF(PCI_CHIP_RS485_5975, R300, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY), /* 9200 */ CHIP_DEF(PCI_CHIP_RV280_5960, RV280, CHIP_HAS_CRTC2), CHIP_DEF(PCI_CHIP_RV280_5961, RV280, CHIP_HAS_CRTC2), @@ -1285,7 +1284,8 @@ static void radeon_write_pll_regs(struct radeonfb_info *rinfo, struct radeon_reg if (rinfo->family == CHIP_FAMILY_R300 || rinfo->family == CHIP_FAMILY_RS300 || rinfo->family == CHIP_FAMILY_R350 || - rinfo->family == CHIP_FAMILY_RV350) { + rinfo->family == CHIP_FAMILY_RV350 || + rinfo->family == CHIP_FAMILY_RV380 ) { if (mode->ppll_ref_div & R300_PPLL_REF_DIV_ACC_MASK) { /* When restoring console mode, use saved PPLL_REF_DIV * setting. diff --git a/include/asm-mips/mach-generic/ide.h b/include/asm-mips/mach-generic/ide.h index 2b928577be5..a77128362a7 100644 --- a/include/asm-mips/mach-generic/ide.h +++ b/include/asm-mips/mach-generic/ide.h @@ -29,6 +29,35 @@ #define IDE_ARCH_OBSOLETE_DEFAULTS +static __inline__ int ide_probe_legacy(void) +{ +#ifdef CONFIG_PCI + struct pci_dev *dev; + /* + * This can be called on the ide_setup() path, super-early in + * boot. But the down_read() will enable local interrupts, + * which can cause some machines to crash. So here we detect + * and flag that situation and bail out early. + */ + if (no_pci_devices()) + return 0; + dev = pci_get_class(PCI_CLASS_BRIDGE_EISA << 8, NULL); + if (dev) + goto found; + dev = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL); + if (dev) + goto found; + return 0; +found: + pci_dev_put(dev); + return 1; +#elif defined(CONFIG_EISA) || defined(CONFIG_ISA) + return 1; +#else + return 0; +#endif +} + static __inline__ int ide_default_irq(unsigned long base) { switch (base) { @@ -45,6 +74,8 @@ static __inline__ int ide_default_irq(unsigned long base) static __inline__ unsigned long ide_default_io_base(int index) { + if (!ide_probe_legacy()) + return 0; /* * If PCI is present then it is not safe to poke around * the other legacy IDE ports. Only 0x1f0 and 0x170 are diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index d62847f846c..17f8f3a2f0a 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -337,6 +337,9 @@ void *priv; struct class_device class_dev; /* sysfs */ }; +/* Class-dev to video-device */ +#define to_video_device(cd) container_of(cd, struct video_device, class_dev) + /* Version 2 functions */ extern int video_register_device(struct video_device *vfd, int type, int nr); void video_unregister_device(struct video_device *); @@ -354,11 +357,9 @@ extern int video_usercopy(struct inode *inode, struct file *file, int (*func)(struct inode *inode, struct file *file, unsigned int cmd, void *arg)); - #ifdef CONFIG_VIDEO_V4L1_COMPAT #include <linux/mm.h> -#define to_video_device(cd) container_of(cd, struct video_device, class_dev) static inline int __must_check video_device_create_file(struct video_device *vfd, struct class_device_attribute *attr) diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 12ff5da8160..1a899924023 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -1592,7 +1592,7 @@ svc_age_temp_sockets(unsigned long closure) if (!test_and_set_bit(SK_OLD, &svsk->sk_flags)) continue; - if (atomic_read(&svsk->sk_inuse) || test_bit(SK_BUSY, &svsk->sk_flags)) + if (atomic_read(&svsk->sk_inuse) > 1 || test_bit(SK_BUSY, &svsk->sk_flags)) continue; atomic_inc(&svsk->sk_inuse); list_move(le, &to_be_aged); |