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ARM/of: allow *machine_desc.dt_compat to be const 

This allows dt_compat to point to a constant list of compatible strings.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
This commit is contained in:
Uwe Kleine-König 2011-12-20 22:56:45 +01:00 committed by Rob Herring
parent 88af7f58c6
commit 7b482c8360
3 changed files with 5 additions and 5 deletions
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2
arch/arm/include/asm/mach/arch.h
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@ -19,7 +19,7 @@ struct machine_desc {
unsigned int nr; /* architecture number */
const char *name; /* architecture name */
unsigned long atag_offset; /* tagged list (relative) */
const char **dt_compat; /* array of device tree
const char *const *dt_compat; /* array of device tree
* 'compatible' strings */
unsigned int nr_irqs; /* number of IRQs */

4
drivers/of/fdt.c
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@ -107,7 +107,7 @@ int of_fdt_is_compatible(struct boot_param_header *blob,
* of_fdt_match - Return true if node matches a list of compatible values
*/
int of_fdt_match(struct boot_param_header *blob, unsigned long node,
const char **compat)
const char *const *compat)
{
unsigned int tmp, score = 0;
@ -541,7 +541,7 @@ int __init of_flat_dt_is_compatible(unsigned long node, const char *compat)
/**
* of_flat_dt_match - Return true if node matches a list of compatible values
*/
int __init of_flat_dt_match(unsigned long node, const char **compat)
int __init of_flat_dt_match(unsigned long node, const char *const *compat)
{
return of_fdt_match(initial_boot_params, node, compat);
}

4
include/linux/of_fdt.h
View File

@ -71,7 +71,7 @@ extern int of_fdt_is_compatible(struct boot_param_header *blob,
unsigned long node,
const char *compat);
extern int of_fdt_match(struct boot_param_header *blob, unsigned long node,
const char **compat);
const char *const *compat);
extern void of_fdt_unflatten_tree(unsigned long *blob,
struct device_node **mynodes);
@ -88,7 +88,7 @@ extern int of_scan_flat_dt(int (*it)(unsigned long node, const char *uname,
extern void *of_get_flat_dt_prop(unsigned long node, const char *name,
unsigned long *size);
extern int of_flat_dt_is_compatible(unsigned long node, const char *name);
extern int of_flat_dt_match(unsigned long node, const char **matches);
extern int of_flat_dt_match(unsigned long node, const char *const *matches);
extern unsigned long of_get_flat_dt_root(void);
extern int early_init_dt_scan_chosen(unsigned long node, const char *uname,