From: Sourav Poddar <sourav.poddar-l0cyMroinI0@public.gmane.org>
To: balbi-l0cyMroinI0@public.gmane.org
Cc: grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
rnayak-l0cyMroinI0@public.gmane.org
Subject: Re: [PATCHv6 1/2] drivers: spi: Add qspi flash controller
Date: Mon, 29 Jul 2013 16:45:02 +0530 [thread overview]
Message-ID: <51F64EB6.5020807@ti.com> (raw)
In-Reply-To: <20130729110902.GE24801@radagast>
On Monday 29 July 2013 04:39 PM, Felipe Balbi wrote:
> Hi,
>
> On Mon, Jul 29, 2013 at 04:34:41PM +0530, Sourav Poddar wrote:
>>>>>> + irq = platform_get_irq(pdev, 0);
>>>>>> + if (irq< 0) {
>>>>>> + dev_err(&pdev->dev, "no irq resource?\n");
>>>>>> + return irq;
>>>>>> + }
>>>>>> +
>>>>>> + spin_lock_init(&qspi->lock);
>>>>>> +
>>>>>> + qspi->base = devm_ioremap_resource(&pdev->dev, r);
>>>>>> + if (IS_ERR(qspi->base)) {
>>>>>> + ret = PTR_ERR(qspi->base);
>>>>>> + goto free_master;
>>>>>> + }
>>>>>> +
>>>>>> + ret = devm_request_threaded_irq(&pdev->dev, irq, ti_qspi_isr,
>>>>>> + ti_qspi_threaded_isr, IRQF_NO_SUSPEND | IRQF_ONESHOT,
>>>>> why do you need IRQF_NO_SUSPEND ?
>>>>>
>>>> I should get away with this.
>>> why ? Do you need or do you *not* need it ? And in either case, why ?
>>>
>> I was thinking, this will keep the irqs up even when we are
>> hitting suspend, we will not be prepared to handle it. ?
> won't be prepared in what way ?
>
Our driver will be down, so the irq might go un-serviced.
------------------------------------------------------------------------------
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WARNING: multiple messages have this Message-ID (diff)
From: Sourav Poddar <sourav.poddar-l0cyMroinI0@public.gmane.org>
To: <balbi-l0cyMroinI0@public.gmane.org>
Cc: grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
rnayak-l0cyMroinI0@public.gmane.org
Subject: Re: [PATCHv6 1/2] drivers: spi: Add qspi flash controller
Date: Mon, 29 Jul 2013 16:45:02 +0530 [thread overview]
Message-ID: <51F64EB6.5020807@ti.com> (raw)
In-Reply-To: <20130729110902.GE24801@radagast>
On Monday 29 July 2013 04:39 PM, Felipe Balbi wrote:
> Hi,
>
> On Mon, Jul 29, 2013 at 04:34:41PM +0530, Sourav Poddar wrote:
>>>>>> + irq = platform_get_irq(pdev, 0);
>>>>>> + if (irq< 0) {
>>>>>> + dev_err(&pdev->dev, "no irq resource?\n");
>>>>>> + return irq;
>>>>>> + }
>>>>>> +
>>>>>> + spin_lock_init(&qspi->lock);
>>>>>> +
>>>>>> + qspi->base = devm_ioremap_resource(&pdev->dev, r);
>>>>>> + if (IS_ERR(qspi->base)) {
>>>>>> + ret = PTR_ERR(qspi->base);
>>>>>> + goto free_master;
>>>>>> + }
>>>>>> +
>>>>>> + ret = devm_request_threaded_irq(&pdev->dev, irq, ti_qspi_isr,
>>>>>> + ti_qspi_threaded_isr, IRQF_NO_SUSPEND | IRQF_ONESHOT,
>>>>> why do you need IRQF_NO_SUSPEND ?
>>>>>
>>>> I should get away with this.
>>> why ? Do you need or do you *not* need it ? And in either case, why ?
>>>
>> I was thinking, this will keep the irqs up even when we are
>> hitting suspend, we will not be prepared to handle it. ?
> won't be prepared in what way ?
>
Our driver will be down, so the irq might go un-serviced.
------------------------------------------------------------------------------
See everything from the browser to the database with AppDynamics
Get end-to-end visibility with application monitoring from AppDynamics
Isolate bottlenecks and diagnose root cause in seconds.
Start your free trial of AppDynamics Pro today!
http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk
next prev parent reply other threads:[~2013-07-29 11:15 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-29 7:22 [PATCHv6 0/2] Add ti qspi controller Sourav Poddar
2013-07-29 7:22 ` Sourav Poddar
2013-07-29 7:22 ` [PATCHv6 1/2] drivers: spi: Add qspi flash controller Sourav Poddar
2013-07-29 7:22 ` Sourav Poddar
2013-07-29 9:31 ` Felipe Balbi
2013-07-29 9:31 ` Felipe Balbi
2013-07-29 10:12 ` Sourav Poddar
2013-07-29 10:12 ` Sourav Poddar
2013-07-29 10:20 ` Felipe Balbi
2013-07-29 10:20 ` Felipe Balbi
2013-07-29 11:04 ` Sourav Poddar
2013-07-29 11:04 ` Sourav Poddar
2013-07-29 11:09 ` Felipe Balbi
2013-07-29 11:09 ` Felipe Balbi
2013-07-29 11:15 ` Sourav Poddar [this message]
2013-07-29 11:15 ` Sourav Poddar
2013-07-29 12:35 ` Felipe Balbi
2013-07-29 12:35 ` Felipe Balbi
2013-07-30 7:34 ` Sourav Poddar
2013-07-30 7:34 ` Sourav Poddar
2013-07-30 7:38 ` Felipe Balbi
2013-07-30 7:38 ` Felipe Balbi
2013-07-29 7:22 ` [RFC/PATCH 2/2] driver: spi: Add quad spi read support Sourav Poddar
2013-07-29 7:22 ` Sourav Poddar
2013-07-29 9:32 ` Felipe Balbi
2013-07-29 9:32 ` Felipe Balbi
2013-07-29 9:43 ` Sourav Poddar
2013-07-29 9:43 ` Sourav Poddar
2013-07-29 9:59 ` Felipe Balbi
2013-07-29 9:59 ` Felipe Balbi
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