From: Tony Lindgren <tony@atomide.com>
To: Keerthy <j-keerthy@ti.com>
Cc: linux-omap@vger.kernel.org, nm@ti.com, afzal@ti.com
Subject: Re: [PATCH v2 0/2] bus: omap_l3_noc: Add resume hook to restore mask registers
Date: Wed, 12 Nov 2014 07:17:05 -0800 [thread overview]
Message-ID: <20141112151704.GD26481@atomide.com> (raw)
In-Reply-To: <1415643588-14508-1-git-send-email-j-keerthy@ti.com>
* Keerthy <j-keerthy@ti.com> [141110 10:25]:
> l3_noc module loses context during both DS0 and RTC+DDR in self refresh modes.
> This causes the previously masked l3 interrupts to trigger and the software
> book keeping assumes the interrupts are masked and does nothing to mask.
> This software/hardware out of sync leads to back to back l3 interrupts
> and eventually causes a hang. Hence adding resume hook to restore the
> mask registers based on the book keeping variables
Applying both into omap-for-v3.19/drivers-v2 branch thanks.
Tony
next prev parent reply other threads:[~2014-11-12 15:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-10 18:19 [PATCH v2 0/2] bus: omap_l3_noc: Add resume hook to restore mask registers Keerthy
2014-11-10 18:19 ` [PATCH v2 1/2] bus: omap_l3_noc: Add resume hook to restore context Keerthy
2014-11-10 18:19 ` [PATCH v2 2/2] bus: omap_l3_noc: Correct returning IRQ_HANDLED unconditionally in the irq handler Keerthy
2014-11-12 15:17 ` Tony Lindgren [this message]
2014-11-12 16:27 ` [PATCH v2 0/2] bus: omap_l3_noc: Add resume hook to restore mask registers Keerthy
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