[PATCH V4 04/16] irqchip: crossbar: Initialise the crossbar with a safe value

2014-06-26 Thread Sricharan R
From: Nishanth Menon Since crossbar is s/w configurable, the initial settings of the crossbar cannot be assumed to be sane. This implies that: a) On initialization all un-reserved crossbars must be initialized to a known 'safe' value. b) When unmapping the interrupt, the safe value must be

[PATCH V4 04/16] irqchip: crossbar: Initialise the crossbar with a safe value

2014-06-26 Thread Sricharan R
From: Nishanth Menon n...@ti.com Since crossbar is s/w configurable, the initial settings of the crossbar cannot be assumed to be sane. This implies that: a) On initialization all un-reserved crossbars must be initialized to a known 'safe' value. b) When unmapping the interrupt, the safe value