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Commit 485863b8 authored by Shawn Guo's avatar Shawn Guo
Browse files

ARM: imx: mask gpc interrupts initially 



Mask gpc interrupts initially to avoid suspicious interrupts.

Signed-off-by: default avatarShawn Guo <shawn.guo@linaro.org>
parent eea8e326

arch/arm/mach-imx/gpc.c

+5 −0
Original line number Diff line number Diff line
@@ -101,11 +101,16 @@ static void imx_gpc_irq_mask(struct irq_data *d) 
void __init imx_gpc_init(void)

{

	struct device_node *np;

	int i;



	np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpc");

	gpc_base = of_iomap(np, 0);

	WARN_ON(!gpc_base);



	/* Initially mask all interrupts */

	for (i = 0; i < IMR_NUM; i++)

		writel_relaxed(~0, gpc_base + GPC_IMR1 + i * 4);



	/* Register GPC as the secondary interrupt controller behind GIC */

	gic_arch_extn.irq_mask = imx_gpc_irq_mask;

	gic_arch_extn.irq_unmask = imx_gpc_irq_unmask;