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Commit af310e96 authored by Kishon Vijay Abraham I's avatar Kishon Vijay Abraham I Committed by Felipe Balbi
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usb: dwc3: omap: use runtime API's to enable clocks 



Before accessing any register, runtime API's should be invoked to enable
the clocks. runtime API's are added here to prevent abort during register
access.

Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent b4bfe6aa

drivers/usb/dwc3/dwc3-omap.c

+10 −0
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ 
#include <linux/spinlock.h>

#include <linux/platform_device.h>

#include <linux/platform_data/dwc3-omap.h>

#include <linux/pm_runtime.h>

#include <linux/dma-mapping.h>

#include <linux/ioport.h>

#include <linux/io.h>
@@ -336,6 +337,13 @@ static int dwc3_omap_probe(struct platform_device *pdev) 
	omap->irq	= irq;

	omap->base	= base;



	pm_runtime_enable(dev);

	ret = pm_runtime_get_sync(dev);

	if (ret < 0) {

		dev_err(dev, "get_sync failed with err %d\n", ret);

		return ret;

	}



	reg = dwc3_omap_readl(omap->base, USBOTGSS_UTMI_OTG_STATUS);



	utmi_mode = of_get_property(node, "utmi-mode", &size);
@@ -416,6 +424,8 @@ static int dwc3_omap_remove(struct platform_device *pdev) 


	platform_device_unregister(omap->usb2_phy);

	platform_device_unregister(omap->usb3_phy);

	pm_runtime_put_sync(&pdev->dev);

	pm_runtime_disable(&pdev->dev);

	device_for_each_child(&pdev->dev, NULL, dwc3_omap_remove_core);



	return 0;