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of/fdt: update of_get_flat_dt_prop in prep for libfdt

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Make of_get_flat_dt_prop arguments compatible with libfdt fdt_getprop
call in preparation to convert FDT code to use libfdt. Make the return
value const and the property length ptr type an int.

Signed-off-by: Rob Herring <robh@kernel.org>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Tested-by: Grant Likely <grant.likely@linaro.org>
Tested-by: Stephen Chivers <schivers@csc.com>
This commit is contained in:
Rob Herring
2014-04-01 23:49:03 -05:00
parent bba04d965d
commit 9d0c4dfedd
19 changed files with 77 additions and 74 deletions
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39
drivers/of/fdt.c
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@@ -35,7 +35,7 @@ char *of_fdt_get_string(struct boot_param_header *blob, u32 offset)
*/
void *of_fdt_get_property(struct boot_param_header *blob,
unsigned long node, const char *name,
unsigned long *size)
int *size)
{
unsigned long p = node;
@@ -85,7 +85,8 @@ int of_fdt_is_compatible(struct boot_param_header *blob,
unsigned long node, const char *compat)
{
const char *cp;
unsigned long cplen, l, score = 0;
int cplen;
unsigned long l, score = 0;
cp = of_fdt_get_property(blob, node, "compatible", &cplen);
if (cp == NULL)
@@ -444,8 +445,8 @@ static int __init __reserved_mem_reserve_reg(unsigned long node,
{
int t_len = (dt_root_addr_cells + dt_root_size_cells) * sizeof(__be32);
phys_addr_t base, size;
unsigned long len;
__be32 *prop;
int len;
const __be32 *prop;
int nomap, first = 1;
prop = of_get_flat_dt_prop(node, "reg", &len);
@@ -488,7 +489,7 @@ static int __init __reserved_mem_reserve_reg(unsigned long node,
*/
static int __init __reserved_mem_check_root(unsigned long node)
{
__be32 *prop;
const __be32 *prop;
prop = of_get_flat_dt_prop(node, "#size-cells", NULL);
if (!prop || be32_to_cpup(prop) != dt_root_size_cells)
@@ -638,8 +639,8 @@ unsigned long __init of_get_flat_dt_root(void)
* This function can be used within scan_flattened_dt callback to get
* access to properties
*/
void *__init of_get_flat_dt_prop(unsigned long node, const char *name,
unsigned long *size)
const void *__init of_get_flat_dt_prop(unsigned long node, const char *name,
int *size)
{
return of_fdt_get_property(initial_boot_params, node, name, size);
}
@@ -710,7 +711,7 @@ const void * __init of_flat_dt_match_machine(const void *default_match,
}
if (!best_data) {
const char *prop;
long size;
int size;
pr_err("\n unrecognized device tree list:\n[ ");
@@ -739,8 +740,8 @@ const void * __init of_flat_dt_match_machine(const void *default_match,
static void __init early_init_dt_check_for_initrd(unsigned long node)
{
u64 start, end;
unsigned long len;
__be32 *prop;
int len;
const __be32 *prop;
pr_debug("Looking for initrd properties... ");
@@ -773,7 +774,7 @@ static inline void early_init_dt_check_for_initrd(unsigned long node)
int __init early_init_dt_scan_root(unsigned long node, const char *uname,
int depth, void *data)
{
__be32 *prop;
const __be32 *prop;
if (depth != 0)
return 0;
@@ -795,9 +796,9 @@ int __init early_init_dt_scan_root(unsigned long node, const char *uname,
return 1;
}
u64 __init dt_mem_next_cell(int s, __be32 **cellp)
u64 __init dt_mem_next_cell(int s, const __be32 **cellp)
{
__be32 *p = *cellp;
const __be32 *p = *cellp;
*cellp = p + s;
return of_read_number(p, s);
@@ -809,9 +810,9 @@ u64 __init dt_mem_next_cell(int s, __be32 **cellp)
int __init early_init_dt_scan_memory(unsigned long node, const char *uname,
int depth, void *data)
{
char *type = of_get_flat_dt_prop(node, "device_type", NULL);
__be32 *reg, *endp;
unsigned long l;
const char *type = of_get_flat_dt_prop(node, "device_type", NULL);
const __be32 *reg, *endp;
int l;
/* We are scanning "memory" nodes only */
if (type == NULL) {
@@ -832,7 +833,7 @@ int __init early_init_dt_scan_memory(unsigned long node, const char *uname,
endp = reg + (l / sizeof(__be32));
pr_debug("memory scan node %s, reg size %ld, data: %x %x %x %x,\n",
pr_debug("memory scan node %s, reg size %d, data: %x %x %x %x,\n",
uname, l, reg[0], reg[1], reg[2], reg[3]);
while ((endp - reg) >= (dt_root_addr_cells + dt_root_size_cells)) {
@@ -855,8 +856,8 @@ int __init early_init_dt_scan_memory(unsigned long node, const char *uname,
int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
int depth, void *data)
{
unsigned long l;
char *p;
int l;
const char *p;
pr_debug("search \"chosen\", depth: %d, uname: %s\n", depth, uname);