Commit bb12dd42 authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Michael Ellerman
Browse files

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: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210924105653.46963-2-krzysztof.kozlowski@canonical.com
parent cc025916

arch/powerpc/platforms/powermac/pic.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

include/linux/of_irq.h

+3 −3
Original line number Diff line number Diff line
@@ -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,

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;