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authorSteven J. Hill <Steven.Hill@cavium.com>2017-08-29 18:40:35 +0300
committerRalf Baechle <ralf@linux-mips.org>2017-09-04 22:19:03 +0300
commitba1fc93457e3506aaab88b67b5404a8915ea8233 (patch)
tree3064aafebfb40f3376ab97d112d06c6ff92b0488 /arch/mips
parent3c425df7a0ff5ca6feab890cb8f51f4d8aa98ef8 (diff)
downloadlinux-ba1fc93457e3506aaab88b67b5404a8915ea8233.tar.xz
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>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/cavium-octeon/octeon-irq.c9
-rw-r--r--arch/mips/include/asm/octeon/octeon.h2
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index c1eb1ff7c800..5b3a3f6a9ad3 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -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);
diff --git a/arch/mips/include/asm/octeon/octeon.h b/arch/mips/include/asm/octeon/octeon.h
index 07c0516ef4d5..c99c4b6a79f4 100644
--- a/arch/mips/include/asm/octeon/octeon.h
+++ b/arch/mips/include/asm/octeon/octeon.h
@@ -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 */