Re: [PATCH v3 4/9] usb: dwc3: core: Adapt to named interrupts

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Hello.

On 7/8/2015 1:36 PM, Roger Quadros wrote:

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

[Roger Q]
- If any of these are missing we use the
first available IRQ resource so that we don't
break with older DTBs.

- Use gadget_irq in gadget driver.

Signed-off-by: Felipe Balbi <balbi@xxxxxx>
Signed-off-by: Roger Quadros <rogerq@xxxxxx>
---
  drivers/usb/dwc3/core.c   | 12 ++++++++++++
  drivers/usb/dwc3/core.h   |  7 +++++++
  drivers/usb/dwc3/gadget.c |  2 +-
  3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index a7498e0..7b33d7b 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -941,6 +941,18 @@ 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)

The usual mistake repeated again: that function reutrns error # on failure, not 0.

+		dwc->otg_irq = res->start;
+
+	dwc->gadget_irq = platform_get_irq_byname(pdev, "peripheral");
+	if (!dwc->gadget_irq)
+		dwc->gadget_irq = res->start;

   Likewise.

+
+	dwc->xhci_irq = platform_get_irq_byname(pdev, "host");
+	if (!dwc->xhci_irq)

   Likewise.

[...]

WBR, Sergei

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