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devices: constify statically initialized device pointers

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It is frequent to find variable definitions like this:

```c
static const struct device *dev = DEVICE_DT_GET(...)
```

That is, module level variables that are statically initialized with a
device reference. Such value is, in most cases, never changed meaning
the variable can also be declared as const (immutable). This patch
constifies all such cases.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
This commit is contained in:
Gerard Marull-Paretas 2022-08-17 15:37:22 +02:00 • committed by Carles Cufí
commit e0125d04af
48 changed files with 56 additions and 53 deletions
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2
drivers/gpio/gpio_xlnx_ps.c
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@ -97,7 +97,7 @@ static void gpio_xlnx_ps_isr(const struct device *dev)
#define GPIO_XLNX_PS_CHILD_CONCAT(idx) DEVICE_DT_GET(idx),
#define GPIO_XLNX_PS_GEN_BANK_ARRAY(idx)\
static const struct device *gpio_xlnx_ps##idx##_banks[] = {\
static const struct device *const gpio_xlnx_ps##idx##_banks[] = {\
DT_FOREACH_CHILD_STATUS_OKAY(DT_DRV_INST(idx), GPIO_XLNX_PS_CHILD_CONCAT)\
};