diff options
| author | Felipe Balbi | 2013-02-11 10:03:59 +0100 |
|---|---|---|
| committer | Felipe Balbi | 2013-03-18 10:17:01 +0100 |
| commit | 9a4b5dab91a8bfae46bfa572660cf43e9ebdc6c3 (patch) | |
| tree | 5c3191a062edf90d8c6dbb9c131f2a7a05428d17 /drivers/usb/dwc3/dwc3-omap.c | |
| parent | usb: dwc3: core: add power management support (diff) | |
| download | kernel-qcow2-linux-9a4b5dab91a8bfae46bfa572660cf43e9ebdc6c3.tar.gz kernel-qcow2-linux-9a4b5dab91a8bfae46bfa572660cf43e9ebdc6c3.tar.xz kernel-qcow2-linux-9a4b5dab91a8bfae46bfa572660cf43e9ebdc6c3.zip | |
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>
Diffstat (limited to 'drivers/usb/dwc3/dwc3-omap.c')
| -rw-r--r-- | drivers/usb/dwc3/dwc3-omap.c | 47 |
1 files changed, 32 insertions, 15 deletions
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 3d343d92548a..43d62053e158 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -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); |