serial: Change poll_out signature

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

View file

@ -94,15 +94,13 @@ static int uart_imx_init(struct device *dev)
return 0;
}
static unsigned char uart_imx_poll_out(struct device *dev, unsigned char c)
static void uart_imx_poll_out(struct device *dev, unsigned char c)
{
UART_Type *uart = UART_STRUCT(dev);
while (!UART_GetStatusFlag(uart, uartStatusTxReady))
;
UART_Putchar(uart, c);
return c;
}
static int uart_imx_poll_in(struct device *dev, unsigned char *c)