From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Samuel Ortiz <sameo@linux.intel.com>
Subject: Re: [PATCH] mfd wm8350: allocate irq descs dynamically
Date: Thu, 19 May 2011 23:04:03 +0100 [thread overview]
Message-ID: <20110519220402.GA25452@sirena.org.uk> (raw)
In-Reply-To: <20110519185648.GR30963@pengutronix.de>
On Thu, May 19, 2011 at 08:56:48PM +0200, Sascha Hauer wrote:
> + if (!pdata->irq_base) {
> + wm8350->irq_base = irq_alloc_descs(-1, 0, ARRAY_SIZE(wm8350_irqs), 0);
> + if (wm8350->irq_base < 0) {
One other thing - it doesn't seem to be 100% desirable to making the
allocation of the IRQ descriptors depend on not specifying a base - for
many situations we're likely to want to know what the numbers we end up
with are (eg, for passing to another device) but if we don't call
irq_alloc_decs() the platform still has to arrange for the descriptors
to be there in advance. It feels like the code should always use
irq_alloc_descs(), though obviously that's not going to work right now.
next prev parent reply other threads:[~2011-05-19 22:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-19 18:56 Sascha Hauer
2011-05-19 21:04 ` Mark Brown
2011-05-19 22:04 ` Mark Brown [this message]
2011-06-02 11:45 Sascha Hauer
2011-06-02 11:53 ` Mark Brown
2011-06-02 13:37 ` Mark Brown
2011-06-02 15:47 ` Mark Brown
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