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serial: Change poll_out signature

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poll_out function was returning the character that was sent. It
happens that it is always constant and the return of this functions is
never tested. Changing it to be a void function.

MISRA-C rule 17.7

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is contained in:
Flavio Ceolin 2018-11-26 16:43:46 -08:00 • committed by Andrew Boie
commit 98d03266f1
30 changed files with 37 additions and 106 deletions
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4
drivers/serial/uart_handlers.c
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@ -33,7 +33,9 @@ Z_SYSCALL_HANDLER(uart_poll_in, dev, p_char)
Z_SYSCALL_HANDLER(uart_poll_out, dev, out_char)
{
Z_OOPS(Z_SYSCALL_DRIVER_UART(dev, poll_out));
return _impl_uart_poll_out((struct device *)dev, out_char);
_impl_uart_poll_out((struct device *)dev, out_char);
return 0;
}
#ifdef CONFIG_UART_INTERRUPT_DRIVEN