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usb: dwc3: omap: introduce enable/disable IRQ methods 

they will be re-used on suspend/resume implementation.

Tested-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2013-02-11 11:03:59 +02:00
parent 7415f17c95
commit 9a4b5dab91
1 changed files with 32 additions and 15 deletions
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47
drivers/usb/dwc3/dwc3-omap.c
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@ -250,6 +250,34 @@ static int dwc3_omap_remove_core(struct device *dev, void *c)
return 0;
}
static void dwc3_omap_enable_irqs(struct dwc3_omap *omap)
{
u32 reg;
/* enable all IRQs */
reg = USBOTGSS_IRQO_COREIRQ_ST;
dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_SET_0, reg);
reg = (USBOTGSS_IRQ1_OEVT |
USBOTGSS_IRQ1_DRVVBUS_RISE |
USBOTGSS_IRQ1_CHRGVBUS_RISE |
USBOTGSS_IRQ1_DISCHRGVBUS_RISE |
USBOTGSS_IRQ1_IDPULLUP_RISE |
USBOTGSS_IRQ1_DRVVBUS_FALL |
USBOTGSS_IRQ1_CHRGVBUS_FALL |
USBOTGSS_IRQ1_DISCHRGVBUS_FALL |
USBOTGSS_IRQ1_IDPULLUP_FALL);
dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_SET_1, reg);
}
static void dwc3_omap_disable_irqs(struct dwc3_omap *omap)
{
/* disable all IRQs */
dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_SET_1, 0x00);
dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_SET_0, 0x00);
}
static int dwc3_omap_probe(struct platform_device *pdev)
{
struct device_node *node = pdev->dev.of_node;
@ -355,21 +383,7 @@ static int dwc3_omap_probe(struct platform_device *pdev)
return ret;
}
/* enable all IRQs */
reg = USBOTGSS_IRQO_COREIRQ_ST;
dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_SET_0, reg);
reg = (USBOTGSS_IRQ1_OEVT |
USBOTGSS_IRQ1_DRVVBUS_RISE |
USBOTGSS_IRQ1_CHRGVBUS_RISE |
USBOTGSS_IRQ1_DISCHRGVBUS_RISE |
USBOTGSS_IRQ1_IDPULLUP_RISE |
USBOTGSS_IRQ1_DRVVBUS_FALL |
USBOTGSS_IRQ1_CHRGVBUS_FALL |
USBOTGSS_IRQ1_DISCHRGVBUS_FALL |
USBOTGSS_IRQ1_IDPULLUP_FALL);
dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_SET_1, reg);
dwc3_omap_enable_irqs(omap);
ret = of_platform_populate(node, NULL, NULL, dev);
if (ret) {
@ -382,6 +396,9 @@ static int dwc3_omap_probe(struct platform_device *pdev)
static int dwc3_omap_remove(struct platform_device *pdev)
{
struct dwc3_omap *omap = platform_get_drvdata(pdev);
dwc3_omap_disable_irqs(omap);
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
device_for_each_child(&pdev->dev, NULL, dwc3_omap_remove_core);