On Thu, 9 Jul 2015, Marc Zyngier wrote:
> When used as a primary interrupt controller, the GIC driver uses
> irq_data->chip_data to extract controller-specific information.
>
> When used as a secondary interrupt controller, it uses handler_data
> instead. As this difference is relatively pointless and only creates
> confusion, change the secondary path to match what the rest of the
> driver does.
>
> Signed-off-by: Marc Zyngier <marc.zyng...@arm.com>
> ---
> drivers/irqchip/irq-gic.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
> index e264675..3c7f3a4 100644
> --- a/drivers/irqchip/irq-gic.c
> +++ b/drivers/irqchip/irq-gic.c
> @@ -298,7 +298,7 @@ static void __exception_irq_entry gic_handle_irq(struct
> pt_regs *regs)
>
> static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
> {
> - struct gic_chip_data *chip_data = irq_get_handler_data(irq);
> + struct gic_chip_data *chip_data = irq_get_chip_data(irq);
> struct irq_chip *chip = irq_get_chip(irq);
You should make that
chip_data = irq_desc_get_chip_data(desc);
chip = irq_desc_get_chip(desc);
That avoids two pointless lookups of irqdesc ....
Thanks,
tglx
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