usb: dwc3: remove pm related operations from dwc3 driver

Removed all pm related operations including pm_runtime APIs,
suspend/resume hooks as support for these are not present in u-boot.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>

1 files changed, 0 insertions, 96 deletions

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index b79a8b3d31..ebfb6ca0f2 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -20,7 +20,6 @@
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/platform_device.h>
-#include <linux/pm_runtime.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
 #include <linux/io.h>
@@ -884,10 +883,6 @@ static int dwc3_probe(struct platform_device *pdev)
 		dma_set_coherent_mask(dev, dev->parent->coherent_dma_mask);
 	}
 
-	pm_runtime_enable(dev);
-	pm_runtime_get_sync(dev);
-	pm_runtime_forbid(dev);
-
 	dwc3_cache_hwparams(dwc);
 
 	ret = dwc3_alloc_event_buffers(dwc, DWC3_EVENT_BUFFERS_SIZE);
@@ -937,8 +932,6 @@ static int dwc3_probe(struct platform_device *pdev)
 		goto err3;
 	}
 
-	pm_runtime_allow(dev);
-
 	return 0;
 
 err3:
@@ -980,97 +973,9 @@ static int dwc3_remove(struct platform_device *pdev)
 
 	dwc3_core_exit(dwc);
 
-	pm_runtime_put_sync(&pdev->dev);
-	pm_runtime_disable(&pdev->dev);
-
-	return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int dwc3_suspend(struct device *dev)
-{
-	struct dwc3	*dwc = dev_get_drvdata(dev);
-	unsigned long	flags;
-
-	spin_lock_irqsave(&dwc->lock, flags);
-
-	switch (dwc->dr_mode) {
-	case USB_DR_MODE_PERIPHERAL:
-	case USB_DR_MODE_OTG:
-		dwc3_gadget_suspend(dwc);
-		/* FALLTHROUGH */
-	case USB_DR_MODE_HOST:
-	default:
-		dwc3_event_buffers_cleanup(dwc);
-		break;
-	}
-
-	dwc->gctl = dwc3_readl(dwc->regs, DWC3_GCTL);
-	spin_unlock_irqrestore(&dwc->lock, flags);
-
-	usb_phy_shutdown(dwc->usb3_phy);
-	usb_phy_shutdown(dwc->usb2_phy);
-	phy_exit(dwc->usb2_generic_phy);
-	phy_exit(dwc->usb3_generic_phy);
-
 	return 0;
 }
 
-static int dwc3_resume(struct device *dev)
-{
-	struct dwc3	*dwc = dev_get_drvdata(dev);
-	unsigned long	flags;
-	int		ret;
-
-	usb_phy_init(dwc->usb3_phy);
-	usb_phy_init(dwc->usb2_phy);
-	ret = phy_init(dwc->usb2_generic_phy);
-	if (ret < 0)
-		return ret;
-
-	ret = phy_init(dwc->usb3_generic_phy);
-	if (ret < 0)
-		goto err_usb2phy_init;
-
-	spin_lock_irqsave(&dwc->lock, flags);
-
-	dwc3_event_buffers_setup(dwc);
-	dwc3_writel(dwc->regs, DWC3_GCTL, dwc->gctl);
-
-	switch (dwc->dr_mode) {
-	case USB_DR_MODE_PERIPHERAL:
-	case USB_DR_MODE_OTG:
-		dwc3_gadget_resume(dwc);
-		/* FALLTHROUGH */
-	case USB_DR_MODE_HOST:
-	default:
-		/* do nothing */
-		break;
-	}
-
-	spin_unlock_irqrestore(&dwc->lock, flags);
-
-	pm_runtime_disable(dev);
-	pm_runtime_set_active(dev);
-	pm_runtime_enable(dev);
-
-	return 0;
-
-err_usb2phy_init:
-	phy_exit(dwc->usb2_generic_phy);
-
-	return ret;
-}
-
-static const struct dev_pm_ops dwc3_dev_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(dwc3_suspend, dwc3_resume)
-};
-
-#define DWC3_PM_OPS	&(dwc3_dev_pm_ops)
-#else
-#define DWC3_PM_OPS	NULL
-#endif
-
 #ifdef CONFIG_OF
 static const struct of_device_id of_dwc3_match[] = {
 	{
@@ -1102,7 +1007,6 @@ static struct platform_driver dwc3_driver = {
 		.name	= "dwc3",
 		.of_match_table	= of_match_ptr(of_dwc3_match),
 		.acpi_match_table = ACPI_PTR(dwc3_acpi_match),
-		.pm	= DWC3_PM_OPS,
 	},
 };