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| author | Shawn Guo <shawn.guo@linaro.org> | 2012-12-04 22:55:13 +0800 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2013-01-30 21:08:34 +0800 |
| commit | 485863b8fa02d515e48ce6b59f01d62172d2fe0d (patch) | |
| tree | a5c6d41091969282e7b34208b191138a76326a7c | |
| parent | eea8e326ff476e418b99b6daa97f9bd85ac6c523 (diff) | |
| download | op-kernel-dev-485863b8fa02d515e48ce6b59f01d62172d2fe0d.zip op-kernel-dev-485863b8fa02d515e48ce6b59f01d62172d2fe0d.tar.gz | |
ARM: imx: mask gpc interrupts initially
Mask gpc interrupts initially to avoid suspicious interrupts.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
| -rw-r--r-- | arch/arm/mach-imx/gpc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c index e1537f9..722e5df 100644 --- a/arch/arm/mach-imx/gpc.c +++ b/arch/arm/mach-imx/gpc.c @@ -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; |
