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authorKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>2021-09-24 12:56:53 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2022-05-22 15:59:54 +1000
commitbb12dd42d20f5513a8d1da225232af0a0743fd79 (patch)
treed15a5544c1250d42b5bbd5e489045926fc817089
parentcc025916b12a452df7932da528d25b2ef2b05072 (diff)
powerpc/powermac: constify device_node in of_irq_parse_oldworld()
The of_irq_parse_oldworld() does not modify passed device_node so make it a pointer to const for safety. Drop the extern while modifying the line. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210924105653.46963-2-krzysztof.kozlowski@canonical.com
-rw-r--r--arch/powerpc/platforms/powermac/pic.c2
-rw-r--r--include/linux/of_irq.h6
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 71a3f62d9b5f..8c8d8e0a7d13 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -384,7 +384,7 @@ static void __init pmac_pic_probe_oldstyle(void)
#endif
}
-int of_irq_parse_oldworld(struct device_node *device, int index,
+int of_irq_parse_oldworld(const struct device_node *device, int index,
struct of_phandle_args *out_irq)
{
const u32 *ints = NULL;
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index aaf219bd0354..83fccd0c9bba 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -20,12 +20,12 @@ typedef int (*of_irq_init_cb_t)(struct device_node *, struct device_node *);
#if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC)
extern unsigned int of_irq_workarounds;
extern struct device_node *of_irq_dflt_pic;
-extern int of_irq_parse_oldworld(struct device_node *device, int index,
- struct of_phandle_args *out_irq);
+int of_irq_parse_oldworld(const struct device_node *device, int index,
+ struct of_phandle_args *out_irq);
#else /* CONFIG_PPC32 && CONFIG_PPC_PMAC */
#define of_irq_workarounds (0)
#define of_irq_dflt_pic (NULL)
-static inline int of_irq_parse_oldworld(struct device_node *device, int index,
+static inline int of_irq_parse_oldworld(const struct device_node *device, int index,
struct of_phandle_args *out_irq)
{
return -EINVAL;