From: Nava kishore Manne <nava.manne@xilinx.com>
Date: Wed, 12 Jun 2019 11:14:40 +0000 (+0200)
Subject: serial: uartps: Fix multiple line dereference
X-Git-Tag: v5.4-rc1~601^2~24
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b6415f243919703c97483a29ff918872f66f165c;p=platform%2Fkernel%2Flinux-rpi.git

serial: uartps: Fix multiple line dereference

Trivial patch which fixes this checkpatch warning:
WARNING: Avoid multiple line dereference - prefer 'port->state->xmit.tail'
+				port->state->xmit.buf[port->state->xmit.
+				tail], port->membase + CDNS_UART_FIFO);

Fixes: c8dbdc842d30 ("serial: xuartps: Rewrite the interrupt handling logic")
Signed-off-by: Nava kishore Manne <nava.manne@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 32cf675..2dff879 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -321,8 +321,8 @@ static void cdns_uart_handle_tx(void *dev_id)
 			 * register.
 			 */
 			writel(
-				port->state->xmit.buf[port->state->xmit.
-				tail], port->membase + CDNS_UART_FIFO);
+				port->state->xmit.buf[port->state->xmit.tail],
+					port->membase + CDNS_UART_FIFO);
 
 			port->icount.tx++;