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dtb_platdata.py: prevent define generation of alias 

generate define for an alias only if the struct is not
created already.

This prevents compilerwarning:
  PLAT    spl/dts/dt-platdata.o
spl/dts/dt-platdata.c:11:46: error: missing braces around initializer [-Werror=missing-braces]
 static const struct dtd_simple_bus dtv_ahb = {
                                              ^
spl/dts/dt-platdata.c:20:46: error: missing braces around initializer [-Werror=missing-braces]
 static const struct dtd_simple_bus dtv_apb = {
                                              ^
cc1: all warnings being treated as errors

on the at91 based taurus board. Reason is in at91sam9260.dtsi
is defined:

ahb {
        compatible = "simple-bus";
        ranges;

and later:

pinctrl: pinctrl@fffff400 {
        compatible = "atmel,at91rm9200-pinctrl", "simple-bus";
        ranges = <0xfffff400 0xfffff400 0x600>;

without this patch dtoc generates:

struct dtd_atmel_at91rm9200_pinctrl {
	fdt32_t		atmel_mux_mask[6];
	fdt32_t		ranges[3];
	fdt32_t		reg[6];
};

struct dtd_simple_bus {
        bool            ranges;
};

"#define dtd_simple_bus dtd_atmel_at91rm9200_pinctrl"

and the line with "define dtd_simple_bus..." introduces
the warning. This define is not needed.

Signed-off-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Heiko Schocher 2019-04-16 13:31:58 +02:00 committed by Tom Rini
parent 1627e5e598
commit e9cde87ec1
1 changed files with 3 additions and 2 deletions
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5
tools/dtoc/dtb_platdata.py
View File

@ -450,8 +450,9 @@ class DtbPlatdata(object):
self.out('};\n')
for alias, struct_name in self._aliases.iteritems():
self.out('#define %s%s %s%s\n'% (STRUCT_PREFIX, alias,
STRUCT_PREFIX, struct_name))
if alias not in sorted(structs):
self.out('#define %s%s %s%s\n'% (STRUCT_PREFIX, alias,
STRUCT_PREFIX, struct_name))
def output_node(self, node):
"""Output the C code for a node