serial: imx: rename variables to match the register names

Now the variable holding the value of register USR1 is called usr1
instead of sts which is more straight forward. The same is also done for
sts2 which is called usr2 now.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 6c926f70265589036d686dbc8999545a6ff1881c..34185991f8724e15734dc8ca6f1591a078ecc3a3 100644 (file)
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -758,27 +758,26 @@ static void imx_mctrl_check(struct imx_port *sport)
 static irqreturn_t imx_int(int irq, void *dev_id)
 {
        struct imx_port *sport = dev_id;
-       unsigned int sts;
-       unsigned int sts2;
+       unsigned int usr1, usr2;
        irqreturn_t ret = IRQ_NONE;
 
-       sts = readl(sport->port.membase + USR1);
-       sts2 = readl(sport->port.membase + USR2);
+       usr1 = readl(sport->port.membase + USR1);
+       usr2 = readl(sport->port.membase + USR2);
 
-       if (!sport->dma_is_enabled && (sts & (USR1_RRDY | USR1_AGTIM))) {
+       if (!sport->dma_is_enabled && (usr1 & (USR1_RRDY | USR1_AGTIM))) {
                imx_rxint(irq, dev_id);
                ret = IRQ_HANDLED;
        }
 
-       if ((sts & USR1_TRDY &&
+       if ((usr1 & USR1_TRDY &&
             readl(sport->port.membase + UCR1) & UCR1_TXMPTYEN) ||
-           (sts2 & USR2_TXDC &&
+           (usr2 & USR2_TXDC &&
             readl(sport->port.membase + UCR4) & UCR4_TCEN)) {
                imx_txint(irq, dev_id);
                ret = IRQ_HANDLED;
        }
 
-       if (sts & USR1_DTRD) {
+       if (usr1 & USR1_DTRD) {
                unsigned long flags;
 
                writel(USR1_DTRD, sport->port.membase + USR1);
@@ -790,17 +789,17 @@ static irqreturn_t imx_int(int irq, void *dev_id)
                ret = IRQ_HANDLED;
        }
 
-       if (sts & USR1_RTSD) {
+       if (usr1 & USR1_RTSD) {
                imx_rtsint(irq, dev_id);
                ret = IRQ_HANDLED;
        }
 
-       if (sts & USR1_AWAKE) {
+       if (usr1 & USR1_AWAKE) {
                writel(USR1_AWAKE, sport->port.membase + USR1);
                ret = IRQ_HANDLED;
        }
 
-       if (sts2 & USR2_ORE) {
+       if (usr2 & USR2_ORE) {
                sport->port.icount.overrun++;
                writel(USR2_ORE, sport->port.membase + USR2);
                ret = IRQ_HANDLED;