From: Felipe Balbi <balbi@kernel.org>
To: Roger Quadros <rogerq@ti.com>,
Grygorii Strashko <grygorii.strashko@ti.com>
Cc: tony@atomide.com, Joao.Pinto@synopsys.com,
sergei.shtylyov@cogentembedded.com, peter.chen@freescale.com,
jun.li@freescale.com, yoshihiro.shimoda.uh@renesas.com,
nsekhar@ti.com, b-liu@ti.com, linux-usb@vger.kernel.org,
linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v9 5/5] usb: dwc3: core: cleanup IRQ resources
Date: Fri, 10 Jun 2016 12:18:37 +0300 [thread overview]
Message-ID: <87bn39766q.fsf@linux.intel.com> (raw)
In-Reply-To: <575A7B0C.40103@ti.com>
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Hi,
Roger Quadros <rogerq@ti.com> writes:
> On 10/06/16 11:18, Felipe Balbi wrote:
>>
>> Hi,
>>
>> Roger Quadros <rogerq@ti.com> writes:
>>>> dwc->xhci_resource[1] = *res;
>>>
>>> Probably not as we don't want to change parent/child members.
>>
>> oh, you had already replied. Sorry. This is correct
>>
> np :).
>
> So what i'll do is get the irq via platform_get_irq() and friends
> and if it was a success use platform_get_resource() and friends
> to get struct resource and just edit the relevant parts for the
> XHCI irq resource.
>
> Sounds OK?
>
> something like this.
>
> + int ret, irq;
> + struct resource *res;
> + struct platform_device *dwc3_pdev = to_platform_device(dwc->dev);
> +
> + irq = platform_get_irq_byname(dwc3_pdev, "host");
> + if (irq == -EPROBE_DEFER)
> + return irq;
> +
> + if (irq <= 0) {
> + irq = platform_get_irq_byname(dwc3_pdev, "dwc_usb3");
> + if (irq == -EPROBE_DEFER)
> + return irq;
> +
> + if (irq <= 0) {
> + irq = platform_get_irq(dwc3_pdev, 0);
> + if (irq <= 0) {
> + if (irq != -EPROBE_DEFER) {
> + dev_err(dwc->dev,
> + "missing host IRQ\n");
> + }
> + return irq;
> + } else {
> + res = platform_get_resource(dwc3_pdev,
> + IORESOURCE_IRQ, 0);
> + }
> + } else {
> + res = platform_get_resource_byname(dwc3_pdev,
> + IORESOURCE_IRQ,
> + "dwc_usb3");
> + }
> +
> + } else {
> + res = platform_get_resource_byname(dwc3_pdev, IORESOURCE_IRQ,
> + "host");
> + }
> +
> + dwc->xhci_resources[1].start = irq;
> + dwc->xhci_resources[1].end = irq;
> + dwc->xhci_resources[1].flags = res->flags;
> + dwc->xhci_resources[1].name = res->name;
looks okay to me.
--
balbi
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next prev parent reply other threads:[~2016-06-10 9:19 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-11 14:36 [PATCH v8 0/5] dwc3: omap: fixes and dual-role preparation Roger Quadros
2016-05-11 14:36 ` [PATCH v8 1/5] usb: dwc3: omap: use request_threaded_irq() Roger Quadros
2016-05-11 14:36 ` [PATCH v8 2/5] usb: dwc3: omap: Mark the interrupt handler as shared Roger Quadros
2016-05-11 14:36 ` [PATCH v8 3/5] usb: dwc3: omap: Don't set POWERPRESENT Roger Quadros
2016-05-11 14:36 ` [PATCH v8 4/5] usb: dwc3: omap: Pass VBUS and ID events transparently Roger Quadros
2016-05-11 14:36 ` [PATCH v8 5/5] usb: dwc3: core: cleanup IRQ resources Roger Quadros
2016-05-24 9:35 ` Felipe Balbi
2016-05-24 12:35 ` Roger Quadros
2016-06-01 7:46 ` [PATCH v9 " Roger Quadros
2016-06-01 8:06 ` Felipe Balbi
2016-06-07 9:28 ` Roger Quadros
2016-06-02 11:52 ` Grygorii Strashko
2016-06-07 9:34 ` Roger Quadros
2016-06-07 11:49 ` Grygorii Strashko
2016-06-07 12:44 ` Roger Quadros
2016-06-07 13:09 ` Felipe Balbi
2016-06-07 14:05 ` Roger Quadros
2016-06-10 7:56 ` Roger Quadros
2016-06-10 8:02 ` Roger Quadros
2016-06-10 8:04 ` Roger Quadros
2016-06-10 8:18 ` Felipe Balbi
2016-06-10 8:32 ` Roger Quadros
2016-06-10 9:18 ` Felipe Balbi [this message]
2016-06-10 8:11 ` Felipe Balbi
2016-06-10 9:56 ` [PATCH v10 " Roger Quadros
2016-06-10 10:39 ` Sergei Shtylyov
2016-06-10 11:35 ` Roger Quadros
2016-06-10 11:44 ` Sergei Shtylyov
2016-06-10 11:46 ` Roger Quadros
2016-06-10 12:22 ` Sergei Shtylyov
2016-06-10 11:48 ` [PATCH v11 " Roger Quadros
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