[PATCH 10/19] usb: dwc3: core: Adapt to named interrupts

From: George Cherian
Date: Tue Nov 25 2014 - 08:16:29 EST


From: Felipe Balbi <balbi@xxxxxx>

Add support to use interrupt names,

Following are the interrupt names

Peripheral Interrupt - peripheral
HOST Interrupt - host
OTG Interrupt - otg

Signed-off-by: Felipe Balbi <balbi@xxxxxx>
Signed-off-by: George Cherian <george.cherian@xxxxxx>
---
drivers/usb/dwc3/core.c | 12 ++++++++++++
drivers/usb/dwc3/core.h | 7 +++++++
2 files changed, 19 insertions(+)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index fadd767..dbd5589 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -760,6 +760,18 @@ static int dwc3_probe(struct platform_device *pdev)
dwc->xhci_resources[1].flags = res->flags;
dwc->xhci_resources[1].name = res->name;

+ dwc->otg_irq = platform_get_irq_byname(pdev, "otg");
+ if (!dwc->otg_irq)
+ dev_err(dev, "missing OTG IRQ\n");
+
+ dwc->gadget_irq = platform_get_irq_byname(pdev, "peripheral");
+ if (!dwc->gadget_irq)
+ dev_err(dev, "missing peripheral IRQ\n");
+
+ dwc->xhci_irq = platform_get_irq_byname(pdev, "host");
+ if (!dwc->xhci_irq)
+ dev_err(dev, "missing HOST IRQ\n");
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(dev, "missing memory resource\n");
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 6b38223..7c5ae37 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -651,6 +651,9 @@ struct dwc3_scratchpad_array {
* @maximum_speed: maximum speed requested (mainly for testing purposes)
* @revision: revision register contents
* @dr_mode: requested mode of operation
+ * @xhci_irq: IRQ number for XHCI IRQs
+ * @gadget_irq: IRQ number for Peripheral IRQs
+ * @otg_irq: IRQ number for OTG IRQs
* @usb2_phy: pointer to USB2 PHY
* @usb3_phy: pointer to USB3 PHY
* @usb2_generic_phy: pointer to USB2 PHY
@@ -747,6 +750,10 @@ struct dwc3 {

enum usb_dr_mode dr_mode;

+ int gadget_irq;
+ int xhci_irq;
+ int otg_irq;
+
/* used for suspend/resume */
u32 dcfg;
u32 gctl;
--
1.8.3.1

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