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Commit 0c4ab345 authored by Linus Torvalds's avatar Linus Torvalds
Browse files
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
  USB: musb: MAINTAINERS: Fix my mail address
  USB: serial/mos*: prevent reading uninitialized stack memory
  USB: otg: twl4030: fix phy initialization(v1)
  USB: EHCI: Disable langwell/penwell LPM capability
  usb: musb_debugfs: don't use the struct file private_data field with seq_files
parents 36ff4a55 f299470a
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+2 −2
Original line number Diff line number Diff line
@@ -3942,7 +3942,7 @@ F: drivers/char/isicom.c
F:	include/linux/isicom.h

MUSB MULTIPOINT HIGH SPEED DUAL-ROLE CONTROLLER
M:	Felipe Balbi <felipe.balbi@nokia.com>
M:	Felipe Balbi <balbi@ti.com>
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 <felipe.balbi@nokia.com>
M:	Felipe Balbi <balbi@ti.com>
M:	David Brownell <dbrownell@users.sourceforge.net>
L:	linux-usb@vger.kernel.org
L:	linux-omap@vger.kernel.org
+5 −0
Original line number Diff line number Diff line
@@ -119,6 +119,11 @@ 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) {
+2 −3
Original line number Diff line number Diff line
@@ -195,15 +195,14 @@ 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 musb		*musb = file->private_data;
	struct seq_file		*s = file->private_data;
	struct musb		*musb = s->private;
	u8			test = 0;
	char			buf[18];

+51 −27
Original line number Diff line number Diff line
@@ -347,11 +347,20 @@ static void twl4030_i2c_access(struct twl4030_usb *twl, int on)
	}
}

static void twl4030_phy_power(struct twl4030_usb *twl, int on)
static void __twl4030_phy_power(struct twl4030_usb *twl, int on)
{
	u8 pwr;
	u8 pwr = twl4030_usb_read(twl, PHY_PWR_CTRL);

	if (on)
		pwr &= ~PHY_PWR_PHYPWD;
	else
		pwr |= PHY_PWR_PHYPWD;

	pwr = twl4030_usb_read(twl, PHY_PWR_CTRL);
	WARN_ON(twl4030_usb_write_verify(twl, PHY_PWR_CTRL, pwr) < 0);
}

static void twl4030_phy_power(struct twl4030_usb *twl, int on)
{
	if (on) {
		regulator_enable(twl->usb3v1);
		regulator_enable(twl->usb1v8);
@@ -365,15 +374,13 @@ 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);
		pwr &= ~PHY_PWR_PHYPWD;
		WARN_ON(twl4030_usb_write_verify(twl, PHY_PWR_CTRL, pwr) < 0);
		__twl4030_phy_power(twl, 1);
		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 {
		pwr |= PHY_PWR_PHYPWD;
		WARN_ON(twl4030_usb_write_verify(twl, PHY_PWR_CTRL, pwr) < 0);
		__twl4030_phy_power(twl, 0);
		regulator_disable(twl->usb1v5);
		regulator_disable(twl->usb1v8);
		regulator_disable(twl->usb3v1);
@@ -387,19 +394,25 @@ 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)
@@ -408,8 +421,8 @@ 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);

	/* put VUSB3V1 LDO in active state */
	twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0, VUSB_DEDICATED2);
	/* Keep VUSB3V1 LDO in sleep state until VBUS/ID change detected*/
	/*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);
@@ -502,6 +515,26 @@ 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);
@@ -550,7 +583,6 @@ 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");
@@ -569,10 +601,7 @@ 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;

	pwr = twl4030_usb_read(twl, PHY_PWR_CTRL);

	twl->asleep		= (pwr & PHY_PWR_PHYPWD);
	twl->asleep = 1;

	/* init spinlock for workqueue */
	spin_lock_init(&twl->lock);
@@ -610,15 +639,10 @@ static int __devinit twl4030_usb_probe(struct platform_device *pdev)
		return status;
	}

	/* 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.
	/* Power down phy or make it work according to
	 * current link state.
	 */
	twl4030_usb_irq(twl->irq, twl);
	twl4030_usb_phy_init(twl);

	dev_info(&pdev->dev, "Initialized TWL4030 USB module\n");
	return 0;
+3 −0
Original line number Diff line number Diff line
@@ -2024,6 +2024,9 @@ 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;
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