From f3ba9c12411e6721a1ba9191277a0f2ae55d17f8 Mon Sep 17 00:00:00 2001 From: Sven Eckelmann Date: Sun, 5 Sep 2010 01:58:18 +0200 Subject: [PATCH] --- yaml --- r: 210851 b: refs/heads/master c: 350aede603f7db7a9b4c1a340fbe89ccae6523a2 h: refs/heads/master i: 210849: 5a22fafc9178e6d78e87da153c3d1fcecf1497c0 210847: 483f8febe6bff936a15da7e2d973e0f6e7428830 v: v3 --- [refs] | 2 +- trunk/MAINTAINERS | 4 +- trunk/arch/frv/kernel/signal.c | 51 +++++------- trunk/drivers/serial/amba-pl010.c | 9 ++- trunk/drivers/serial/mfd.c | 17 ++-- .../staging/batman-adv/hard-interface.c | 13 ---- trunk/drivers/staging/batman-adv/send.c | 8 +- trunk/drivers/usb/host/ehci-pci.c | 5 -- trunk/drivers/usb/musb/musb_debugfs.c | 5 +- trunk/drivers/usb/otg/twl4030-usb.c | 78 +++++++------------ trunk/drivers/usb/serial/mos7720.c | 3 - trunk/drivers/usb/serial/mos7840.c | 3 - trunk/mm/memory.c | 8 +- 13 files changed, 73 insertions(+), 133 deletions(-) diff --git a/[refs] b/[refs] index dd504b5220f0..0b727f067fe2 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 0c4ab3453aae7bba4d76a3eb4b289aa53a9f9a60 +refs/heads/master: 350aede603f7db7a9b4c1a340fbe89ccae6523a2 diff --git a/trunk/MAINTAINERS b/trunk/MAINTAINERS index 50b8148448fd..411b0d04f69b 100644 --- a/trunk/MAINTAINERS +++ b/trunk/MAINTAINERS @@ -3942,7 +3942,7 @@ F: drivers/char/isicom.c F: include/linux/isicom.h MUSB MULTIPOINT HIGH SPEED DUAL-ROLE CONTROLLER -M: Felipe Balbi +M: Felipe Balbi L: linux-usb@vger.kernel.org T: git git://gitorious.org/usb/usb.git S: Maintained @@ -4240,7 +4240,7 @@ S: Maintained F: drivers/char/hw_random/omap-rng.c OMAP USB SUPPORT -M: Felipe Balbi +M: Felipe Balbi M: David Brownell L: linux-usb@vger.kernel.org L: linux-omap@vger.kernel.org diff --git a/trunk/arch/frv/kernel/signal.c b/trunk/arch/frv/kernel/signal.c index bab01298b58e..0974c0ecc594 100644 --- a/trunk/arch/frv/kernel/signal.c +++ b/trunk/arch/frv/kernel/signal.c @@ -121,9 +121,6 @@ static int restore_sigcontext(struct sigcontext __user *sc, int *_gr8) struct user_context *user = current->thread.user; unsigned long tbr, psr; - /* Always make any pending restarted system calls return -EINTR */ - current_thread_info()->restart_block.fn = do_no_restart_syscall; - tbr = user->i.tbr; psr = user->i.psr; if (copy_from_user(user, &sc->sc_context, sizeof(sc->sc_context))) @@ -253,8 +250,6 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set) struct sigframe __user *frame; int rsig; - set_fs(USER_DS); - frame = get_sigframe(ka, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) @@ -298,23 +293,22 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set) (unsigned long) (frame->retcode + 2)); } - /* Set up registers for the signal handler */ + /* set up registers for signal handler */ + __frame->sp = (unsigned long) frame; + __frame->lr = (unsigned long) &frame->retcode; + __frame->gr8 = sig; + if (current->personality & FDPIC_FUNCPTRS) { struct fdpic_func_descriptor __user *funcptr = (struct fdpic_func_descriptor __user *) ka->sa.sa_handler; - struct fdpic_func_descriptor desc; - if (copy_from_user(&desc, funcptr, sizeof(desc))) - goto give_sigsegv; - __frame->pc = desc.text; - __frame->gr15 = desc.GOT; + __get_user(__frame->pc, &funcptr->text); + __get_user(__frame->gr15, &funcptr->GOT); } else { __frame->pc = (unsigned long) ka->sa.sa_handler; __frame->gr15 = 0; } - __frame->sp = (unsigned long) frame; - __frame->lr = (unsigned long) &frame->retcode; - __frame->gr8 = sig; + set_fs(USER_DS); /* the tracer may want to single-step inside the handler */ if (test_thread_flag(TIF_SINGLESTEP)) @@ -329,7 +323,7 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set) return 0; give_sigsegv: - force_sigsegv(sig, current); + force_sig(SIGSEGV, current); return -EFAULT; } /* end setup_frame() */ @@ -344,8 +338,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, struct rt_sigframe __user *frame; int rsig; - set_fs(USER_DS); - frame = get_sigframe(ka, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) @@ -400,23 +392,22 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, } /* Set up registers for signal handler */ + __frame->sp = (unsigned long) frame; + __frame->lr = (unsigned long) &frame->retcode; + __frame->gr8 = sig; + __frame->gr9 = (unsigned long) &frame->info; + if (current->personality & FDPIC_FUNCPTRS) { struct fdpic_func_descriptor __user *funcptr = (struct fdpic_func_descriptor __user *) ka->sa.sa_handler; - struct fdpic_func_descriptor desc; - if (copy_from_user(&desc, funcptr, sizeof(desc))) - goto give_sigsegv; - __frame->pc = desc.text; - __frame->gr15 = desc.GOT; + __get_user(__frame->pc, &funcptr->text); + __get_user(__frame->gr15, &funcptr->GOT); } else { __frame->pc = (unsigned long) ka->sa.sa_handler; __frame->gr15 = 0; } - __frame->sp = (unsigned long) frame; - __frame->lr = (unsigned long) &frame->retcode; - __frame->gr8 = sig; - __frame->gr9 = (unsigned long) &frame->info; + set_fs(USER_DS); /* the tracer may want to single-step inside the handler */ if (test_thread_flag(TIF_SINGLESTEP)) @@ -431,7 +422,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, return 0; give_sigsegv: - force_sigsegv(sig, current); + force_sig(SIGSEGV, current); return -EFAULT; } /* end setup_rt_frame() */ @@ -446,7 +437,7 @@ static int handle_signal(unsigned long sig, siginfo_t *info, int ret; /* Are we from a system call? */ - if (__frame->syscallno != -1) { + if (in_syscall(__frame)) { /* If so, check system call restarting.. */ switch (__frame->gr8) { case -ERESTART_RESTARTBLOCK: @@ -465,7 +456,6 @@ static int handle_signal(unsigned long sig, siginfo_t *info, __frame->gr8 = __frame->orig_gr8; __frame->pc -= 4; } - __frame->syscallno = -1; } /* Set up the stack frame */ @@ -548,11 +538,10 @@ static void do_signal(void) break; case -ERESTART_RESTARTBLOCK: - __frame->gr7 = __NR_restart_syscall; + __frame->gr8 = __NR_restart_syscall; __frame->pc -= 4; break; } - __frame->syscallno = -1; } /* if there's no signal to deliver, we just put the saved sigmask diff --git a/trunk/drivers/serial/amba-pl010.c b/trunk/drivers/serial/amba-pl010.c index 2904aa044126..50441ffe8e38 100644 --- a/trunk/drivers/serial/amba-pl010.c +++ b/trunk/drivers/serial/amba-pl010.c @@ -472,9 +472,14 @@ pl010_set_termios(struct uart_port *port, struct ktermios *termios, spin_unlock_irqrestore(&uap->port.lock, flags); } -static void pl010_set_ldisc(struct uart_port *port, int new) +static void pl010_set_ldisc(struct uart_port *port) { - if (new == N_PPS) { + int line = port->line; + + if (line >= port->state->port.tty->driver->num) + return; + + if (port->state->port.tty->ldisc->ops->num == N_PPS) { port->flags |= UPF_HARDPPS_CD; pl010_enable_ms(port); } else diff --git a/trunk/drivers/serial/mfd.c b/trunk/drivers/serial/mfd.c index 324c385a653d..bc9af503907f 100644 --- a/trunk/drivers/serial/mfd.c +++ b/trunk/drivers/serial/mfd.c @@ -1423,6 +1423,7 @@ static void hsu_global_init(void) } phsu = hsu; + hsu_debugfs_init(hsu); return; @@ -1434,20 +1435,18 @@ static void hsu_global_init(void) static void serial_hsu_remove(struct pci_dev *pdev) { - void *priv = pci_get_drvdata(pdev); - struct uart_hsu_port *up; + struct hsu_port *hsu; + int i; - if (!priv) + hsu = pci_get_drvdata(pdev); + if (!hsu) return; - /* For port 0/1/2, priv is the address of uart_hsu_port */ - if (pdev->device != 0x081E) { - up = priv; - uart_remove_one_port(&serial_hsu_reg, &up->port); - } + for (i = 0; i < 3; i++) + uart_remove_one_port(&serial_hsu_reg, &hsu->port[i].port); pci_set_drvdata(pdev, NULL); - free_irq(pdev->irq, priv); + free_irq(hsu->irq, hsu); pci_disable_device(pdev); } diff --git a/trunk/drivers/staging/batman-adv/hard-interface.c b/trunk/drivers/staging/batman-adv/hard-interface.c index baa8b05b9e8d..6e973a79aa25 100644 --- a/trunk/drivers/staging/batman-adv/hard-interface.c +++ b/trunk/drivers/staging/batman-adv/hard-interface.c @@ -30,7 +30,6 @@ #include "hash.h" #include -#include #define MIN(x, y) ((x) < (y) ? (x) : (y)) @@ -431,11 +430,6 @@ static int hard_if_event(struct notifier_block *this, return NOTIFY_DONE; } -static int batman_skb_recv_finish(struct sk_buff *skb) -{ - return NF_ACCEPT; -} - /* receive a packet with the batman ethertype coming on a hard * interface */ int batman_skb_recv(struct sk_buff *skb, struct net_device *dev, @@ -456,13 +450,6 @@ int batman_skb_recv(struct sk_buff *skb, struct net_device *dev, if (atomic_read(&module_state) != MODULE_ACTIVE) goto err_free; - /* if netfilter/ebtables wants to block incoming batman - * packets then give them a chance to do so here */ - ret = NF_HOOK(PF_BRIDGE, NF_BR_LOCAL_IN, skb, dev, NULL, - batman_skb_recv_finish); - if (ret != 1) - goto err_out; - /* packet should hold at least type and version */ if (unlikely(skb_headlen(skb) < 2)) goto err_free; diff --git a/trunk/drivers/staging/batman-adv/send.c b/trunk/drivers/staging/batman-adv/send.c index 055edee7b4e4..da3c82e47bbd 100644 --- a/trunk/drivers/staging/batman-adv/send.c +++ b/trunk/drivers/staging/batman-adv/send.c @@ -29,7 +29,6 @@ #include "vis.h" #include "aggregation.h" -#include static void send_outstanding_bcast_packet(struct work_struct *work); @@ -92,12 +91,9 @@ int send_skb_packet(struct sk_buff *skb, /* dev_queue_xmit() returns a negative result on error. However on * congestion and traffic shaping, it drops and returns NET_XMIT_DROP - * (which is > 0). This will not be treated as an error. - * Also, if netfilter/ebtables wants to block outgoing batman - * packets then giving them a chance to do so here */ + * (which is > 0). This will not be treated as an error. */ - return NF_HOOK(PF_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev, - dev_queue_xmit); + return dev_queue_xmit(skb); send_skb_err: kfree_skb(skb); return NET_XMIT_DROP; diff --git a/trunk/drivers/usb/host/ehci-pci.c b/trunk/drivers/usb/host/ehci-pci.c index a1e8d273103f..58b72d741d93 100644 --- a/trunk/drivers/usb/host/ehci-pci.c +++ b/trunk/drivers/usb/host/ehci-pci.c @@ -119,11 +119,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd) ehci->broken_periodic = 1; ehci_info(ehci, "using broken periodic workaround\n"); } - if (pdev->device == 0x0806 || pdev->device == 0x0811 - || pdev->device == 0x0829) { - ehci_info(ehci, "disable lpm for langwell/penwell\n"); - ehci->has_lpm = 0; - } break; case PCI_VENDOR_ID_TDI: if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) { diff --git a/trunk/drivers/usb/musb/musb_debugfs.c b/trunk/drivers/usb/musb/musb_debugfs.c index 9e8639d4e862..c79a5e30d437 100644 --- a/trunk/drivers/usb/musb/musb_debugfs.c +++ b/trunk/drivers/usb/musb/musb_debugfs.c @@ -195,14 +195,15 @@ static const struct file_operations musb_regdump_fops = { static int musb_test_mode_open(struct inode *inode, struct file *file) { + file->private_data = inode->i_private; + return single_open(file, musb_test_mode_show, inode->i_private); } static ssize_t musb_test_mode_write(struct file *file, const char __user *ubuf, size_t count, loff_t *ppos) { - struct seq_file *s = file->private_data; - struct musb *musb = s->private; + struct musb *musb = file->private_data; u8 test = 0; char buf[18]; diff --git a/trunk/drivers/usb/otg/twl4030-usb.c b/trunk/drivers/usb/otg/twl4030-usb.c index 0bc97698af15..05aaac1c3861 100644 --- a/trunk/drivers/usb/otg/twl4030-usb.c +++ b/trunk/drivers/usb/otg/twl4030-usb.c @@ -347,20 +347,11 @@ static void twl4030_i2c_access(struct twl4030_usb *twl, int on) } } -static void __twl4030_phy_power(struct twl4030_usb *twl, int on) -{ - u8 pwr = twl4030_usb_read(twl, PHY_PWR_CTRL); - - if (on) - pwr &= ~PHY_PWR_PHYPWD; - else - pwr |= PHY_PWR_PHYPWD; - - WARN_ON(twl4030_usb_write_verify(twl, PHY_PWR_CTRL, pwr) < 0); -} - static void twl4030_phy_power(struct twl4030_usb *twl, int on) { + u8 pwr; + + pwr = twl4030_usb_read(twl, PHY_PWR_CTRL); if (on) { regulator_enable(twl->usb3v1); regulator_enable(twl->usb1v8); @@ -374,13 +365,15 @@ static void twl4030_phy_power(struct twl4030_usb *twl, int on) twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0, VUSB_DEDICATED2); regulator_enable(twl->usb1v5); - __twl4030_phy_power(twl, 1); + pwr &= ~PHY_PWR_PHYPWD; + WARN_ON(twl4030_usb_write_verify(twl, PHY_PWR_CTRL, pwr) < 0); twl4030_usb_write(twl, PHY_CLK_CTRL, twl4030_usb_read(twl, PHY_CLK_CTRL) | (PHY_CLK_CTRL_CLOCKGATING_EN | PHY_CLK_CTRL_CLK32K_EN)); - } else { - __twl4030_phy_power(twl, 0); + } else { + pwr |= PHY_PWR_PHYPWD; + WARN_ON(twl4030_usb_write_verify(twl, PHY_PWR_CTRL, pwr) < 0); regulator_disable(twl->usb1v5); regulator_disable(twl->usb1v8); regulator_disable(twl->usb3v1); @@ -394,25 +387,19 @@ static void twl4030_phy_suspend(struct twl4030_usb *twl, int controller_off) twl4030_phy_power(twl, 0); twl->asleep = 1; - dev_dbg(twl->dev, "%s\n", __func__); } -static void __twl4030_phy_resume(struct twl4030_usb *twl) +static void twl4030_phy_resume(struct twl4030_usb *twl) { + if (!twl->asleep) + return; + twl4030_phy_power(twl, 1); twl4030_i2c_access(twl, 1); twl4030_usb_set_mode(twl, twl->usb_mode); if (twl->usb_mode == T2_USB_MODE_ULPI) twl4030_i2c_access(twl, 0); -} - -static void twl4030_phy_resume(struct twl4030_usb *twl) -{ - if (!twl->asleep) - return; - __twl4030_phy_resume(twl); twl->asleep = 0; - dev_dbg(twl->dev, "%s\n", __func__); } static int twl4030_usb_ldo_init(struct twl4030_usb *twl) @@ -421,8 +408,8 @@ static int twl4030_usb_ldo_init(struct twl4030_usb *twl) twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 0xC0, PROTECT_KEY); twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 0x0C, PROTECT_KEY); - /* Keep VUSB3V1 LDO in sleep state until VBUS/ID change detected*/ - /*twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0, VUSB_DEDICATED2);*/ + /* put VUSB3V1 LDO in active state */ + twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0, VUSB_DEDICATED2); /* input to VUSB3V1 LDO is from VBAT, not VBUS */ twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x14, VUSB_DEDICATED1); @@ -515,26 +502,6 @@ static irqreturn_t twl4030_usb_irq(int irq, void *_twl) return IRQ_HANDLED; } -static void twl4030_usb_phy_init(struct twl4030_usb *twl) -{ - int status; - - status = twl4030_usb_linkstat(twl); - if (status >= 0) { - if (status == USB_EVENT_NONE) { - __twl4030_phy_power(twl, 0); - twl->asleep = 1; - } else { - __twl4030_phy_resume(twl); - twl->asleep = 0; - } - - blocking_notifier_call_chain(&twl->otg.notifier, status, - twl->otg.gadget); - } - sysfs_notify(&twl->dev->kobj, NULL, "vbus"); -} - static int twl4030_set_suspend(struct otg_transceiver *x, int suspend) { struct twl4030_usb *twl = xceiv_to_twl(x); @@ -583,6 +550,7 @@ static int __devinit twl4030_usb_probe(struct platform_device *pdev) struct twl4030_usb_data *pdata = pdev->dev.platform_data; struct twl4030_usb *twl; int status, err; + u8 pwr; if (!pdata) { dev_dbg(&pdev->dev, "platform_data not available\n"); @@ -601,7 +569,10 @@ static int __devinit twl4030_usb_probe(struct platform_device *pdev) twl->otg.set_peripheral = twl4030_set_peripheral; twl->otg.set_suspend = twl4030_set_suspend; twl->usb_mode = pdata->usb_mode; - twl->asleep = 1; + + pwr = twl4030_usb_read(twl, PHY_PWR_CTRL); + + twl->asleep = (pwr & PHY_PWR_PHYPWD); /* init spinlock for workqueue */ spin_lock_init(&twl->lock); @@ -639,10 +610,15 @@ static int __devinit twl4030_usb_probe(struct platform_device *pdev) return status; } - /* Power down phy or make it work according to - * current link state. + /* The IRQ handler just handles changes from the previous states + * of the ID and VBUS pins ... in probe() we must initialize that + * previous state. The easy way: fake an IRQ. + * + * REVISIT: a real IRQ might have happened already, if PREEMPT is + * enabled. Else the IRQ may not yet be configured or enabled, + * because of scheduling delays. */ - twl4030_usb_phy_init(twl); + twl4030_usb_irq(twl->irq, twl); dev_info(&pdev->dev, "Initialized TWL4030 USB module\n"); return 0; diff --git a/trunk/drivers/usb/serial/mos7720.c b/trunk/drivers/usb/serial/mos7720.c index aa665817a272..30922a7e3347 100644 --- a/trunk/drivers/usb/serial/mos7720.c +++ b/trunk/drivers/usb/serial/mos7720.c @@ -2024,9 +2024,6 @@ static int mos7720_ioctl(struct tty_struct *tty, struct file *file, case TIOCGICOUNT: cnow = mos7720_port->icount; - - memset(&icount, 0, sizeof(struct serial_icounter_struct)); - icount.cts = cnow.cts; icount.dsr = cnow.dsr; icount.rng = cnow.rng; diff --git a/trunk/drivers/usb/serial/mos7840.c b/trunk/drivers/usb/serial/mos7840.c index 1a42bc213799..1c9b6e9b2386 100644 --- a/trunk/drivers/usb/serial/mos7840.c +++ b/trunk/drivers/usb/serial/mos7840.c @@ -2285,9 +2285,6 @@ static int mos7840_ioctl(struct tty_struct *tty, struct file *file, case TIOCGICOUNT: cnow = mos7840_port->icount; smp_rmb(); - - memset(&icount, 0, sizeof(struct serial_icounter_struct)); - icount.cts = cnow.cts; icount.dsr = cnow.dsr; icount.rng = cnow.rng; diff --git a/trunk/mm/memory.c b/trunk/mm/memory.c index 0e18b4d649ec..71b161b73bb5 100644 --- a/trunk/mm/memory.c +++ b/trunk/mm/memory.c @@ -2680,12 +2680,10 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma, delayacct_clear_flag(DELAYACCT_PF_SWAPIN); /* - * Make sure try_to_free_swap or reuse_swap_page or swapoff did not - * release the swapcache from under us. The page pin, and pte_same - * test below, are not enough to exclude that. Even if it is still - * swapcache, we need to check that the page's swap has not changed. + * Make sure try_to_free_swap didn't release the swapcache + * from under us. The page pin isn't enough to prevent that. */ - if (unlikely(!PageSwapCache(page) || page_private(page) != entry.val)) + if (unlikely(!PageSwapCache(page))) goto out_page; if (ksm_might_need_to_copy(page, vma, address)) {