From: Michael Walle Date: Wed, 12 May 2021 14:12:48 +0000 (+0200) Subject: serial: fsl_lpuart: use UARTDATA_MASK macro X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ec22c3eec5439fb012a41d49b015c13ca9b91b6c;p=linux.git serial: fsl_lpuart: use UARTDATA_MASK macro Use the corresponding macro instead of the magic number. While at it, drop the useless cast to "unsigned char". Signed-off-by: Michael Walle Link: https://lore.kernel.org/r/20210512141255.18277-3-michael@walle.cc Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 120527cb8a819..cabfc1c5d7014 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -928,9 +928,9 @@ static void lpuart32_rxint(struct lpuart_port *sport) */ sr = lpuart32_read(&sport->port, UARTSTAT); rx = lpuart32_read(&sport->port, UARTDATA); - rx &= 0x3ff; + rx &= UARTDATA_MASK; - if (uart_handle_sysrq_char(&sport->port, (unsigned char)rx)) + if (uart_handle_sysrq_char(&sport->port, rx)) continue; if (sr & (UARTSTAT_PE | UARTSTAT_OR | UARTSTAT_FE)) {