[PATCH v1 1/1] serial: 8520_ce4100: Reuse mem_serial_in() in ce4100_mem_serial_in()

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

In one place in ce4100_mem_serial_in() the code may be replaced with
mem_serial_in() call. Do it so and collapse two conditionals into one.

Suggested-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/tty/serial/8250/8250_ce4100.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_ce4100.c b/drivers/tty/serial/8250/8250_ce4100.c
index 3dd88f372a51..8221b872fd33 100644
--- a/drivers/tty/serial/8250/8250_ce4100.c
+++ b/drivers/tty/serial/8250/8250_ce4100.c
@@ -35,13 +35,8 @@ static u32 ce4100_mem_serial_in(struct uart_port *p, unsigned int offset)
 {
 	u32 ret, ier, lsr;
 
-	if (offset != UART_IIR)
-		return mem_serial_in(p, offset);
-
-	offset <<= p->regshift;
-
-	ret = readl(p->membase + offset);
-	if (!(ret & UART_IIR_NO_INT))
+	ret = mem_serial_in(p, offset);
+	if (!(offset == UART_IIR) && (ret & UART_IIR_NO_INT))
 		return ret;
 
 	/* see if the TX interrupt should have really set */
-- 
2.47.2