serial: qcom: use check for empty instead of pending

The code wants to know if the circ buffer is empty, so use the proper
macro.

No functional change intended, just saner function name used for that
use case.

Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220421101708.5640-6-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index 1543a6028856278132754437ce055216a6b9fb6b..f4961022d7d07ab34eef1160ca56f6af0a67860f 100644 (file)
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -507,7 +507,7 @@ static void qcom_geni_serial_console_write(struct console *co, const char *s,
                 */
                qcom_geni_serial_poll_tx_done(uport);
 
-               if (uart_circ_chars_pending(&uport->state->xmit)) {
+               if (!uart_circ_empty(&uport->state->xmit)) {
                        irq_en = readl(uport->membase + SE_GENI_M_IRQ_EN);
                        writel(irq_en | M_TX_FIFO_WATERMARK_EN,
                                        uport->membase + SE_GENI_M_IRQ_EN);