On Wed, Nov 2, 2011 at 8:38 AM, Peter De Schrijver
<pdeschrijver@xxxxxxxxxx> wrote:
> Tegra30 has 1 extra legacy interrupt controller. Use the GIC ITLinesNumber
> field to determine how many interrupt controllers we have and initialize
> appropriately. Also make room for the extra tegra30 interrupts by moving
> the GPIO IRQ base. This shouldn't affect existing code as it determines the
> correct IRQ number for GPIOs using TEGRA_GPIO_TO_IRQ()
>
> Signed-off-by: Peter De Schrijver <pdeschrijver@xxxxxxxxxx>
> ---
> arch/arm/mach-tegra/include/mach/iomap.h | 3 +++
> arch/arm/mach-tegra/include/mach/irqs.h | 14 +++++++-------
> arch/arm/mach-tegra/irq.c | 15 ++++++++++-----
> 3 files changed, 20 insertions(+), 12 deletions(-)
>
<snip>
> diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c
> index 8ad82af..aad335b 100644
> --- a/arch/arm/mach-tegra/irq.c
> +++ b/arch/arm/mach-tegra/irq.c
<snip>
> @@ -112,8 +114,12 @@ static int tegra_retrigger(struct irq_data *d)
> void __init tegra_init_irq(void)
> {
> int i;
> + void __iomem *distbase;
> +
> + distbase = IO_ADDRESS(TEGRA_ARM_INT_DIST_BASE);
> + num_ictlrs = readl_relaxed(distbase + GIC_DIST_CTR) & 0x1f;
Check num_ictlrs against ARRAY_SIZE(ictlr_reg_base)
Other than that:
Acked-by: Colin Cross <ccross@xxxxxxxxxxx>
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