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ARM: GIC: function to retrieve the physical address of the SGIR
authorNicolas Pitre <nicolas.pitre@linaro.org>
Wed, 28 Nov 2012 23:17:25 +0000 (18:17 -0500)
committerNicolas Pitre <nicolas.pitre@linaro.org>
Mon, 23 Sep 2013 22:47:28 +0000 (18:47 -0400)
commiteeb446581ba23a5a36b4f5c7bfa2b1f8f7c9fb66
tree54008c0bc9bde10512f6f2c4c0118740babd39aetree | snapshot
parentde885d147ad2c4a66777e3557440247efde1cc8dcommit | diff
ARM: GIC: function to retrieve the physical address of the SGIR

In order to have early assembly code signal other CPUs in the system,
we need to get the physical address for the SGIR register used to
send IPIs.  Because the register will be used with a precomputed CPU
interface ID number, there is no need for any locking in the assembly
code where this register is written to.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
drivers/irqchip/irq-gic.c diff | blob | history
include/linux/irqchip/arm-gic.h diff | blob | history
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