From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
To: Yuriy Kolerov <yuriy.kolerov@synopsys.com>,
<linux-snps-arc@lists.infradead.org>
Cc: <marc.zyngier@arm.com>, <Alexey.Brodkin@synopsys.com>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 2/4] ARCv2: IRQ: Remove option for setting number of interrupts
Date: Tue, 31 Jan 2017 09:40:51 -0800 [thread overview]
Message-ID: <ed50236e-a209-56be-e180-f03a0a24120d@synopsys.com> (raw)
In-Reply-To: <1485863124-26426-3-git-send-email-yuriy.kolerov@synopsys.com>
On 01/31/2017 03:45 AM, Yuriy Kolerov wrote:
> When you set a value of ARC_NUMBER_OF_INTERRUPTS option
> it affects only a size of the interrupts table but macros
> for number of virtual interrupts (NR_IRQS) and for number
> of hardware interrupts (NR_CPU_IRQS) remain unchanged.
> Moreover usage of ARC_NUMBER_OF_INTERRUPTS is bad for
> portability since it is not possible to change size
> of the interrupts table after linkage.
>
> This patch makes these changes in IRQ subsystem:
>
> * NR_CPU_IRQS defines a maximum number of hardware interrupts.
> * Remove ARC_NUMBER_OF_INTERRUPTS option and create interrupts
> table for all possible hardware interrupts.
> * Increase a maximum number of virtual IRQs to 512. ARCv2 can
> support 240 interrupts in the core interrupts controllers
> and 128 interrupts in IDU. Thus 512 virtual IRQs must be
> enough for most configurations of boards.
>
> Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
Applied to for-next.
Thx,
-Vineet
next prev parent reply other threads:[~2017-01-31 18:18 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-31 11:45 [PATCH v2 0/4] Use build registers for getting numbers " Yuriy Kolerov
2017-01-31 11:45 ` [PATCH v2 1/4] ARCv2: IRQ: Move structure for build register of core intc to the header Yuriy Kolerov
2017-01-31 17:40 ` Vineet Gupta
2017-01-31 18:15 ` Vineet Gupta
2017-01-31 11:45 ` [PATCH v2 2/4] ARCv2: IRQ: Remove option for setting number of interrupts Yuriy Kolerov
2017-01-31 17:40 ` Vineet Gupta [this message]
2017-01-31 11:45 ` [PATCH v2 3/4] ARCv2: IRQ: Use build registers for getting numbers " Yuriy Kolerov
2017-01-31 17:46 ` Vineet Gupta
2017-01-31 11:45 ` [PATCH v2 4/4] ARCv2: IRQ: Set a default priority for all core interrupts Yuriy Kolerov
2017-01-31 17:54 ` Vineet Gupta
2017-02-01 12:54 ` Yuriy Kolerov
2017-02-01 20:58 ` [PATCH v2 0/4] Use build registers for getting numbers of interrupts Vineet Gupta
2017-02-01 23:59 ` Yuriy Kolerov
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