On 06/27/2014 07:02 PM, Thierry Reding wrote:
> From: Thierry Reding <[email protected]>
>
> Obtains the register ranges for the legacy interrupt controller from DT
> and provide hard-coded values as fallback.
> diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c
> - if (num_ictlrs > ARRAY_SIZE(ictlr_reg_base)) {
> - WARN(1, "Too many (%d) interrupt controllers found. Maximum is
> %d.",
> - num_ictlrs, ARRAY_SIZE(ictlr_reg_base));
> - num_ictlrs = ARRAY_SIZE(ictlr_reg_base);
> + if (num_ictlrs != max_ictlrs) {
> + WARN(1, "Too many (%d) interrupt controllers found. Maximum is
> %u.",
> + num_ictlrs, max_ictlrs);
We should change that message to something more like:
Wrong number (%d) interrupt controllers found. Expected %u.
Feel free to make that a separate patch though.
> - if (!of_have_populated_dt())
> - gic_init(0, 29, distbase,
> - IO_ADDRESS(TEGRA_ARM_PERIF_BASE + 0x100));
> + if (!of_have_populated_dt()) {
> + void __iomem *cpubase = ioremap_nocache(0x50040000, 0x2000);
> + gic_init(0, 29, distbase, cpubase);
> + }
That if will never fire these days. We should rip out that block sometime.
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