Messages in this thread | | | Date | Fri, 30 Jun 2023 12:23:25 +0200 | Subject | Re: [PATCH] irq-bcm6345-l1: do not assume a fixed block to cpu mapping | From | Philippe Mathieu-Daudé <> |
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On 29/6/23 09:26, Jonas Gorski wrote: > The irq to block mapping is fixed, and interrupts from the first block > will always be routed to the first parent IRQ. But the parent interrupts > themselves can be routed to any available CPU. > > This is used by the bootloader to map the first parent interrupt to the > boot CPU, regardless wether the boot CPU is the first one or the second > one. > > When booting from the second CPU, the assumption that the first block's > IRQ is mapped to the first CPU breaks, and the system hangs because > interrupts do not get routed correctly. > > Fix this by passing the appropriate bcm6434_l1_cpu to the interrupt > handler instead of the chip itself, so the handler always has the right > block. > > Fixes: c7c42ec2baa1 ("irqchips/bmips: Add bcm6345-l1 interrupt controller") > Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> > --- > drivers/irqchip/irq-bcm6345-l1.c | 14 +++++--------- > 1 file changed, 5 insertions(+), 9 deletions(-)
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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