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dm: core: Add a function to read into a unsigned int

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The current dev_read...() functions use s32 and u32 which are convenient
for device tree but not so useful for normal code, which often wants to
use normal integers for values.

Add a helper which supports returning an unsigned int. Also add signed
versions of the unsigned readers.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2018-12-10 10:37:37 -07:00
parent d490189865
commit a1b17e4f4c
4 changed files with 118 additions and 0 deletions
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2
arch/sandbox/dts/test.dts
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@@ -87,6 +87,8 @@
test2-gpios = <&gpio_a 1>, <&gpio_a 4>, <&gpio_b 6 1 3 2 1>,
<&gpio_b 7 2 3 2 1>, <&gpio_b 8 4 3 2 1>,
<&gpio_b 9 0xc 3 2 1>;
int-value = <1234>;
uint-value = <(-1234)>;
};
junk {