Commit 99ecb001 authored by Peter Hurley's avatar Peter Hurley Committed by Greg Kroah-Hartman

serial: arc_uart: Use uart_circ_empty() for open-coded comparison

Replace open-coded test for empty tx ring buffer with equivalent
helper function, uart_circ_empty(). No functional change.
Signed-off-by: default avatarPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c557d392
...@@ -177,7 +177,7 @@ static void arc_serial_tx_chars(struct arc_uart_port *uart) ...@@ -177,7 +177,7 @@ static void arc_serial_tx_chars(struct arc_uart_port *uart)
uart->port.icount.tx++; uart->port.icount.tx++;
uart->port.x_char = 0; uart->port.x_char = 0;
sent = 1; sent = 1;
} else if (xmit->tail != xmit->head) { /* TODO: uart_circ_empty */ } else if (!uart_circ_empty(xmit)) {
ch = xmit->buf[xmit->tail]; ch = xmit->buf[xmit->tail];
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
uart->port.icount.tx++; uart->port.icount.tx++;
......
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