serial: sh-sci: Improve type-safety calling sci_receive_chars()

While ptr and port both point to the uart_port structure, the former is
the untyped pointer cookie passed to interrupt handlers.
Use the correctly typed port variable instead, to improve type-safety.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index ff6ba6d86cd8bf9ba43349fde40ec2d576ffed05..dd3931dfebdc86d7d1f829caf4351b57212d59f4 100644 (file)
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1693,7 +1693,7 @@ static irqreturn_t sci_rx_interrupt(int irq, void *ptr)
         * of whether the I_IXOFF is set, otherwise, how is the interrupt
         * to be disabled?
         */
-       sci_receive_chars(ptr);
+       sci_receive_chars(port);
 
        return IRQ_HANDLED;
 }
@@ -1749,7 +1749,7 @@ static irqreturn_t sci_er_interrupt(int irq, void *ptr)
        } else {
                sci_handle_fifo_overrun(port);
                if (!s->chan_rx)
-                       sci_receive_chars(ptr);
+                       sci_receive_chars(port);
        }
 
        sci_clear_SCxSR(port, SCxSR_ERROR_CLEAR(port));