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MIPS: Octeon: Allow access to CIU3 IRQ domains. 

Add accessor function octeon_irq_get_block_domain() for cores
with a CIU3.

Signed-off-by: Steven J. Hill <steven.hill@cavium.com>
Acked-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: linux-watchdog@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/17210/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Steven J. Hill 2017-08-29 10:40:35 -05:00 committed by Ralf Baechle
parent 3c425df7a0
commit ba1fc93457
2 changed files with 11 additions and 0 deletions
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9
arch/mips/cavium-octeon/octeon-irq.c
View File

@ -2963,3 +2963,12 @@ void octeon_fixup_irqs(void)
}
#endif /* CONFIG_HOTPLUG_CPU */
struct irq_domain *octeon_irq_get_block_domain(int node, uint8_t block)
{
struct octeon_ciu3_info *ciu3_info;
ciu3_info = octeon_ciu3_info_per_node[node & CVMX_NODE_MASK];
return ciu3_info->domain[block];
}
EXPORT_SYMBOL(octeon_irq_get_block_domain);

2
arch/mips/include/asm/octeon/octeon.h
View File

@ -362,4 +362,6 @@ extern void octeon_fixup_irqs(void);
extern struct semaphore octeon_bootbus_sem;
struct irq_domain *octeon_irq_get_block_domain(int node, uint8_t block);
#endif /* __ASM_OCTEON_OCTEON_H */