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Message-ID: <559D2068.90208@cogentembedded.com>
Date:	Wed, 8 Jul 2015 16:06:48 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Roger Quadros <rogerq@...com>, balbi@...com
Cc:	tony@...mide.com, Joao.Pinto@...opsys.com,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org
Subject: Re: [PATCH v3 4/9] usb: dwc3: core: Adapt to named interrupts

Hello.

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

> From: Felipe Balbi <balbi@...com>

> 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@...com>
> Signed-off-by: Roger Quadros <rogerq@...com>
> ---
>   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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