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drivers: serial: ns16550: apply __maybe_unused to ns16550_out,inword

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Instead of disabling code with a specific compilation switch, enable it
and apply `__maybe_unused` in the `ns16550_outword` and `ns16550_inword`
functions to make the codebase cleaner.

Signed-off-by: Pisit Sawangvonganan <pisit@ndrsolution.com>
This commit is contained in:
Pisit Sawangvonganan 2024-08-06 14:01:59 +07:00 • committed by Alberto Escolar
commit c20126f950
1 changed files with 2 additions and 3 deletions
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5
drivers/serial/uart_ns16550.c
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@ -427,8 +427,7 @@ static uint8_t ns16550_inbyte(const struct uart_ns16550_device_config *cfg,
return 0;
}
#if (defined(CONFIG_UART_NS16550_INTEL_LPSS_DMA) & (defined(CONFIG_UART_ASYNC_API)))\
| UART_NS16550_PCP_ENABLED
__maybe_unused
static void ns16550_outword(const struct uart_ns16550_device_config *cfg,
uintptr_t port, uint32_t val)
{
@ -444,6 +443,7 @@ static void ns16550_outword(const struct uart_ns16550_device_config *cfg,
}
}
__maybe_unused
static uint32_t ns16550_inword(const struct uart_ns16550_device_config *cfg,
uintptr_t port)
{
@ -455,7 +455,6 @@ static uint32_t ns16550_inword(const struct uart_ns16550_device_config *cfg,
/* MMIO mapped */
return sys_read32(port);
}
#endif
static inline uint8_t reg_interval(const struct device *dev)
{