serial: fsl_linflexuart: don't call uart_write_wakeup() twice

linflex_txint() calls linflex_transmit_buffer() which calls
uart_write_wakeup(). So there is no point to repeat it in
linflex_txint() again -- remove it.

Cc: Stefan-gabriel Mirea <stefan-gabriel.mirea@nxp.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220124071430.14907-10-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/fsl_linflexuart.c b/drivers/tty/serial/fsl_linflexuart.c
index 81a04039b6c184a58859ebdb07ac630ca7c26937..e72cba08574339f28efb9ef549683e4da641b25d 100644 (file)
--- a/drivers/tty/serial/fsl_linflexuart.c
+++ b/drivers/tty/serial/fsl_linflexuart.c
@@ -217,10 +217,6 @@ static irqreturn_t linflex_txint(int irq, void *dev_id)
        }
 
        linflex_transmit_buffer(sport);
-
-       if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
-               uart_write_wakeup(sport);
-
 out:
        spin_unlock_irqrestore(&sport->lock, flags);
        return IRQ_HANDLED;