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From: santosh.shilimkar@ti.com (Santosh Shilimkar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 08/17] omap4: pm: Add GIC save/restore support
Date: Fri, 4 Mar 2011 14:09:18 +0530	[thread overview]
Message-ID: <20b497dc6e31dd5eb91b2a11002966c2@mail.gmail.com> (raw)
In-Reply-To: <8739n55f75.fsf@ti.com>

> -----Original Message-----
> From: Kevin Hilman [mailto:khilman at ti.com]
> Sent: Thursday, March 03, 2011 4:00 AM
> To: Santosh Shilimkar
> Cc: linux-omap at vger.kernel.org; linux-arm-kernel at lists.infradead.org
> Subject: Re: [PATCH 08/17] omap4: pm: Add GIC save/restore support
>
> Santosh Shilimkar <santosh.shilimkar@ti.com> writes:
>

[...]

> > +	/*
> > +	 * Find out how many interrupts are supported.
> > +	 * OMAP4 supports max of 128 SPIs where as GIC can support
> > +	 * up to 1020 interrupt sources.
> > +	 */
> > +	max_spi_reg = __raw_readl(gic_dist_base_addr + GIC_DIST_CTR) &
> 0x1f;
> > +	max_spi_irq = max_spi_reg * 32;
>
> Based on the spec, this should also be max'd at 1020 so you never
> write the reserved values after 1020.
>

That's correct as per generic GIC specs. On OMAP4, the maximum IRQs
already fused in "DIST_CTR"  bit-fields and fixed. Hence we don't
need that additional comparison.

Regards
Santosh

  parent reply	other threads:[~2011-03-04  8:39 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-19 10:42 [PATCH 00/17] omap4: pm: suspend, hotplug and cpuilde support Santosh Shilimkar
2011-02-19 10:42 ` [PATCH 01/17] omap4: pm: Add omap WakeupGen module support Santosh Shilimkar
2011-03-02 21:47   ` Kevin Hilman
2011-03-03 16:04     ` Santosh Shilimkar
2011-02-19 10:42 ` [PATCH 02/17] omap4: pm: Add SAR RAM support Santosh Shilimkar
2011-03-02 21:56   ` Kevin Hilman
2011-03-03 16:08     ` Santosh Shilimkar
2011-02-19 10:42 ` [PATCH 03/17] omap4: Export scu base address Santosh Shilimkar
2011-03-02 21:58   ` Kevin Hilman
2011-03-03 16:09     ` Santosh Shilimkar
2011-02-19 10:42 ` [PATCH 04/17] omap4: pm: Add CPUx OFF mode support Santosh Shilimkar
2011-03-02 22:12   ` Kevin Hilman
2011-03-03 16:14     ` Santosh Shilimkar
2011-02-19 10:42 ` [PATCH 05/17] omap4: pm: Initialise all the clockdomains to supported states Santosh Shilimkar
2011-03-02 22:17   ` Kevin Hilman
2011-03-03 16:14     ` Santosh Shilimkar
2011-02-19 10:42 ` [PATCH 06/17] omap4: pm: Program CPU1 to hit OFF when off-lined Santosh Shilimkar
2011-02-19 10:42 ` [PATCH 07/17] omap4: pm: CPU1 wakeup workaround form Low power modes Santosh Shilimkar
2011-03-02 22:23   ` Kevin Hilman
2011-03-03 16:15     ` Santosh Shilimkar
2011-03-02 23:44   ` Kevin Hilman
2011-02-19 10:42 ` [PATCH 08/17] omap4: pm: Add GIC save/restore support Santosh Shilimkar
2011-03-02 22:29   ` Kevin Hilman
2011-03-03 16:29     ` Santosh Shilimkar
2011-03-03 17:03       ` Kevin Hilman
2011-03-04  8:39     ` Santosh Shilimkar [this message]
2011-03-04 16:11       ` Kevin Hilman
2011-03-04 16:14         ` Santosh Shilimkar
2011-02-19 10:42 ` [PATCH 09/17] omap4: pm: Add WakeupGen " Santosh Shilimkar
2011-03-02 22:34   ` Kevin Hilman
2011-02-19 10:42 ` [PATCH 10/17] omap4: pm: Add L2 cache lowpower support Santosh Shilimkar
2011-03-02 22:36   ` Kevin Hilman
2011-03-03 16:30     ` Santosh Shilimkar
2011-02-19 10:42 ` [PATCH 11/17] omap4: suspend: Add MPUSS RET and OFF support Santosh Shilimkar
2011-03-02 22:45   ` Kevin Hilman
2011-03-03 16:31     ` Santosh Shilimkar
2011-02-19 10:42 ` [PATCH 12/17] omap4: pm-debug: Add wakeup timer and debug counters Santosh Shilimkar
2011-03-02 22:51   ` Kevin Hilman
2011-03-03 16:34     ` Santosh Shilimkar
2011-03-03 17:05       ` Kevin Hilman
2011-03-04  6:26         ` Santosh Shilimkar
2011-02-19 10:42 ` [PATCH 13/17] omap4: cpuidle: Basic CPUidle support Santosh Shilimkar
2011-03-02 22:55   ` Kevin Hilman
2011-02-19 10:42 ` [PATCH 14/17] omap4: cpuidle: Add MPUSS RET OFF states Santosh Shilimkar
2011-02-21 10:19   ` Jean Pihet
2011-02-21 10:26     ` Santosh Shilimkar
2011-02-21 14:01       ` Santosh Shilimkar
2011-03-02 23:32   ` Kevin Hilman
2011-02-19 10:42 ` [PATCH 15/17] omap4: cpuidle: Switch to gptimer from twd in deeper C-states Santosh Shilimkar
2011-02-19 10:42 ` [PATCH 16/17] omap4: cpuidle: Allow debugfs control through enable_off_mode Santosh Shilimkar
2011-03-02 23:43   ` Kevin Hilman
2011-02-19 10:42 ` [PATCH 17/17] omap4: Remove un-used do_wfi() macro Santosh Shilimkar
2011-03-02 23:46 ` [PATCH 00/17] omap4: pm: suspend, hotplug and cpuilde support Kevin Hilman
2011-03-03  7:20   ` Santosh Shilimkar
2011-03-04 17:20   ` Santosh Shilimkar

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