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Commit c156bf2c authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

Merge tag 'for-3.17-rc' of... 

Merge tag 'for-3.17-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus

Kishon writes:

for_3.17-rc

Fix regressions to runtime PM on OMAP and other minor fixes.
parents 69e273c0 fbb1a770

MAINTAINERS

+13 −0
Original line number Diff line number Diff line
@@ -7912,6 +7912,19 @@ S: Supported 
L:	netdev@vger.kernel.org

F:	drivers/net/ethernet/samsung/sxgbe/



SAMSUNG USB2 PHY DRIVER

M:	Kamil Debski <k.debski@samsung.com>

L:	linux-kernel@vger.kernel.org

S:	Supported

F:	Documentation/devicetree/bindings/phy/samsung-phy.txt

F:	Documentation/phy/samsung-usb2.txt

F:	drivers/phy/phy-exynos4210-usb2.c

F:	drivers/phy/phy-exynos4x12-usb2.c

F:	drivers/phy/phy-exynos5250-usb2.c

F:	drivers/phy/phy-s5pv210-usb2.c

F:	drivers/phy/phy-samsung-usb2.c

F:	drivers/phy/phy-samsung-usb2.h



SERIAL DRIVERS

M:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>

L:	linux-serial@vger.kernel.org

drivers/phy/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -41,9 +41,9 @@ config PHY_MVEBU_SATA 
config PHY_MIPHY365X

	tristate "STMicroelectronics MIPHY365X PHY driver for STiH41x series"

	depends on ARCH_STI

	depends on GENERIC_PHY

	depends on HAS_IOMEM

	depends on OF

	select GENERIC_PHY

	help

	  Enable this to support the miphy transceiver (for SATA/PCIE)

	  that is part of STMicroelectronics STiH41x SoC series.

drivers/phy/phy-exynos5-usbdrd.c

+1 −0
Original line number Diff line number Diff line
@@ -542,6 +542,7 @@ static const struct of_device_id exynos5_usbdrd_phy_of_match[] = { 
	},

	{ },

};

MODULE_DEVICE_TABLE(of, exynos5_usbdrd_phy_of_match);



static int exynos5_usbdrd_phy_probe(struct platform_device *pdev)

{

drivers/phy/phy-twl4030-usb.c

+73 −48
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ 
#include <linux/delay.h>

#include <linux/usb/otg.h>

#include <linux/phy/phy.h>

#include <linux/pm_runtime.h>

#include <linux/usb/musb-omap.h>

#include <linux/usb/ulpi.h>

#include <linux/i2c/twl.h>
@@ -422,37 +423,55 @@ static void twl4030_phy_power(struct twl4030_usb *twl, int on) 
	}

}



static int twl4030_phy_power_off(struct phy *phy)

static int twl4030_usb_runtime_suspend(struct device *dev)

{

	struct twl4030_usb *twl = phy_get_drvdata(phy);

	struct twl4030_usb *twl = dev_get_drvdata(dev);



	dev_dbg(twl->dev, "%s\n", __func__);

	if (twl->asleep)

		return 0;



	twl4030_phy_power(twl, 0);

	twl->asleep = 1;

	dev_dbg(twl->dev, "%s\n", __func__);



	return 0;

}



static void __twl4030_phy_power_on(struct twl4030_usb *twl)

static int twl4030_usb_runtime_resume(struct device *dev)

{

	struct twl4030_usb *twl = dev_get_drvdata(dev);



	dev_dbg(twl->dev, "%s\n", __func__);

	if (!twl->asleep)

		return 0;



	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);

	twl->asleep = 0;



	return 0;

}



static int twl4030_phy_power_on(struct phy *phy)

static int twl4030_phy_power_off(struct phy *phy)

{

	struct twl4030_usb *twl = phy_get_drvdata(phy);



	if (!twl->asleep)

	dev_dbg(twl->dev, "%s\n", __func__);

	pm_runtime_mark_last_busy(twl->dev);

	pm_runtime_put_autosuspend(twl->dev);



	return 0;

	__twl4030_phy_power_on(twl);

	twl->asleep = 0;

}



static int twl4030_phy_power_on(struct phy *phy)

{

	struct twl4030_usb *twl = phy_get_drvdata(phy);



	dev_dbg(twl->dev, "%s\n", __func__);

	pm_runtime_get_sync(twl->dev);

	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);



	/*

	 * XXX When VBUS gets driven after musb goes to A mode,
@@ -558,8 +577,26 @@ static irqreturn_t twl4030_usb_irq(int irq, void *_twl) 
		 * USB_LINK_VBUS state.  musb_hdrc won't care until it

		 * starts to handle softconnect right.

		 */

		if ((status == OMAP_MUSB_VBUS_VALID) ||

		    (status == OMAP_MUSB_ID_GROUND)) {

			if (twl->asleep)

				pm_runtime_get_sync(twl->dev);

		} else {

			if (!twl->asleep) {

				pm_runtime_mark_last_busy(twl->dev);

				pm_runtime_put_autosuspend(twl->dev);

			}

		}

		omap_musb_mailbox(status);

	}



	/* don't schedule during sleep - irq works right then */

	if (status == OMAP_MUSB_ID_GROUND && !twl->asleep) {

		cancel_delayed_work(&twl->id_workaround_work);

		schedule_delayed_work(&twl->id_workaround_work, HZ);

	}



	if (irq)

		sysfs_notify(&twl->dev->kobj, NULL, "vbus");



	return IRQ_HANDLED;
@@ -569,29 +606,8 @@ static void twl4030_id_workaround_work(struct work_struct *work) 
{

	struct twl4030_usb *twl = container_of(work, struct twl4030_usb,

		id_workaround_work.work);

	enum omap_musb_vbus_id_status status;

	bool status_changed = false;



	status = twl4030_usb_linkstat(twl);



	spin_lock_irq(&twl->lock);

	if (status >= 0 && status != twl->linkstat) {

		twl->linkstat = status;

		status_changed = true;

	}

	spin_unlock_irq(&twl->lock);



	if (status_changed) {

		dev_dbg(twl->dev, "handle missing status change to %d\n",

				status);

		omap_musb_mailbox(status);

	}



	/* don't schedule during sleep - irq works right then */

	if (status == OMAP_MUSB_ID_GROUND && !twl->asleep) {

		cancel_delayed_work(&twl->id_workaround_work);

		schedule_delayed_work(&twl->id_workaround_work, HZ);

	}

	twl4030_usb_irq(0, twl);

}



static int twl4030_phy_init(struct phy *phy)
@@ -599,22 +615,17 @@ static int twl4030_phy_init(struct phy *phy) 
	struct twl4030_usb *twl = phy_get_drvdata(phy);

	enum omap_musb_vbus_id_status status;



	/*

	 * Start in sleep state, we'll get called through set_suspend()

	 * callback when musb is runtime resumed and it's time to start.

	 */

	__twl4030_phy_power(twl, 0);

	twl->asleep = 1;



	pm_runtime_get_sync(twl->dev);

	status = twl4030_usb_linkstat(twl);

	twl->linkstat = status;



	if (status == OMAP_MUSB_ID_GROUND || status == OMAP_MUSB_VBUS_VALID) {

	if (status == OMAP_MUSB_ID_GROUND || status == OMAP_MUSB_VBUS_VALID)

		omap_musb_mailbox(twl->linkstat);

		twl4030_phy_power_on(phy);

	}



	sysfs_notify(&twl->dev->kobj, NULL, "vbus");

	pm_runtime_mark_last_busy(twl->dev);

	pm_runtime_put_autosuspend(twl->dev);



	return 0;

}
@@ -650,6 +661,11 @@ static const struct phy_ops ops = { 
	.owner		= THIS_MODULE,

};



static const struct dev_pm_ops twl4030_usb_pm_ops = {

	SET_RUNTIME_PM_OPS(twl4030_usb_runtime_suspend,

			   twl4030_usb_runtime_resume, NULL)

};



static int twl4030_usb_probe(struct platform_device *pdev)

{

	struct twl4030_usb_data *pdata = dev_get_platdata(&pdev->dev);
@@ -726,6 +742,11 @@ static int twl4030_usb_probe(struct platform_device *pdev) 


	ATOMIC_INIT_NOTIFIER_HEAD(&twl->phy.notifier);



	pm_runtime_use_autosuspend(&pdev->dev);

	pm_runtime_set_autosuspend_delay(&pdev->dev, 2000);

	pm_runtime_enable(&pdev->dev);

	pm_runtime_get_sync(&pdev->dev);



	/* Our job is to use irqs and status from the power module

	 * to keep the transceiver disabled when nothing's connected.

	 *
@@ -744,6 +765,9 @@ static int twl4030_usb_probe(struct platform_device *pdev) 
		return status;

	}



	pm_runtime_mark_last_busy(&pdev->dev);

	pm_runtime_put_autosuspend(twl->dev);



	dev_info(&pdev->dev, "Initialized TWL4030 USB module\n");

	return 0;

}
@@ -753,6 +777,7 @@ static int twl4030_usb_remove(struct platform_device *pdev) 
	struct twl4030_usb *twl = platform_get_drvdata(pdev);

	int val;



	pm_runtime_get_sync(twl->dev);

	cancel_delayed_work(&twl->id_workaround_work);

	device_remove_file(twl->dev, &dev_attr_vbus);
@@ -772,9 +797,8 @@ static int twl4030_usb_remove(struct platform_device *pdev) 


	/* disable complete OTG block */

	twl4030_usb_clear_bits(twl, POWER_CTRL, POWER_CTRL_OTG_ENAB);



	if (!twl->asleep)

		twl4030_phy_power(twl, 0);

	pm_runtime_mark_last_busy(twl->dev);

	pm_runtime_put(twl->dev);



	return 0;

}
@@ -792,6 +816,7 @@ static struct platform_driver twl4030_usb_driver = { 
	.remove		= twl4030_usb_remove,

	.driver		= {

		.name	= "twl4030_usb",

		.pm	= &twl4030_usb_pm_ops,

		.owner	= THIS_MODULE,

		.of_match_table = of_match_ptr(twl4030_usb_id_table),

	},