From: Sudeep Holla <sudeep.holla@arm.com>
To: Lina Iyer <ilina@codeaurora.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Jason Cooper <jason@lakedaemon.net>,
Marc Zyngier <marc.zyngier@arm.com>,
open list <linux-kernel@vger.kernel.org>,
linux-arm-msm@vger.kernel.org,
Stephen Boyd <sboyd@codeaurora.org>,
"Nayak, Rajendra" <rnayak@codeaurora.org>,
asathyak@codeaurora.org
Subject: Re: [PATCH RFC 0/4] irqchip: qcom: add support for PDC interrupt controller
Date: Fri, 26 Jan 2018 11:39:22 +0000 [thread overview]
Message-ID: <fd064e0c-d828-6555-7bf5-768fc2c1b142@arm.com> (raw)
In-Reply-To: <20180125200512.GE12603@codeaurora.org>
On 25/01/18 20:05, Lina Iyer wrote:
> On Thu, Jan 25 2018 at 18:43 +0000, Sudeep Holla wrote:
>>
[...]
>> It may have some advantages to decentralize but will that not cause
>> issues in complex systems ? I assume even modem and other processors can
>> access and configure these wakeup interrupts. What happens if 2 such
>> processors try to access it at the same time ?
>>
> Every processor in the SoC has its own PDC and does exactly the same
> thing in SW. The hardware blocks are replicated for each of the
> 'subsystem' and they behave similarly.
>
Ah that explains a lot.
--
Regards,
Sudeep
prev parent reply other threads:[~2018-01-26 11:39 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-23 17:56 Lina Iyer
2018-01-23 17:56 ` [PATCH RFC 1/4] drivers: irqchip: pdc: " Lina Iyer
2018-01-24 14:20 ` Marc Zyngier
2018-01-25 18:52 ` Lina Iyer
2018-01-30 17:56 ` Lina Iyer
2018-01-30 18:11 ` Marc Zyngier
2018-01-31 16:24 ` Lina Iyer
2018-01-31 16:46 ` Marc Zyngier
2018-02-01 16:49 ` Lina Iyer
2018-01-23 17:56 ` [PATCH RFC 2/4] dt-bindings/interrupt-controller: pdc: descibe PDC device binding Lina Iyer
2018-01-23 18:09 ` Sudeep Holla
2018-01-23 18:46 ` Lina Iyer
2018-01-24 14:24 ` Marc Zyngier
2018-01-30 15:20 ` Rob Herring
2018-01-23 17:56 ` [PATCH RFC 3/4] drivers: irqchip: pdc: log PDC info in FTRACE Lina Iyer
2018-01-23 18:13 ` Steven Rostedt
2018-01-25 15:45 ` Lina Iyer
2018-01-23 17:56 ` [PATCH RFC 4/4] drivers: irqchip: qcom: add pin information for SDM845 Lina Iyer
2018-01-24 14:20 ` Marc Zyngier
2018-01-25 18:14 ` Lina Iyer
2018-01-23 18:15 ` [PATCH RFC 0/4] irqchip: qcom: add support for PDC interrupt controller Sudeep Holla
2018-01-23 18:44 ` Lina Iyer
2018-01-24 10:10 ` Sudeep Holla
2018-01-24 17:43 ` Lina Iyer
2018-01-24 17:54 ` Sudeep Holla
2018-01-25 15:54 ` Lina Iyer
2018-01-25 16:39 ` Sudeep Holla
2018-01-25 18:13 ` Lina Iyer
2018-01-25 18:43 ` Sudeep Holla
2018-01-25 20:05 ` Lina Iyer
2018-01-26 11:39 ` Sudeep Holla [this message]
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