m32r: serial: remove M32R_SIO_SHARE_IRQS

Remove an unused symbol M32R_SIO_SHARE_IRQS from drivers/serial/m32r_sio.h.

Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Cc: "Robert P. J. Day" <rpjday@mindspring.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 1 insertions, 7 deletions

diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index 6e09c8b395e8..348ee2c19b58 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -539,7 +539,7 @@ static void serial_do_unlink(struct irq_info *i, struct uart_sio_port *up)
 static int serial_link_irq_chain(struct uart_sio_port *up)
 {
         struct irq_info *i = irq_lists + up->port.irq;
-        int ret, irq_flags = up->port.flags & UPF_SHARE_IRQ ? IRQF_SHARED : 0;
+        int ret, irq_flags = 0;
 
         spin_lock_irq(&i->lock);
 
diff --git a/drivers/serial/m32r_sio.h b/drivers/serial/m32r_sio.h
index 849f1b2c2531..e9b7e11793b1 100644
--- a/drivers/serial/m32r_sio.h
+++ b/drivers/serial/m32r_sio.h
@@ -46,9 +46,3 @@ struct old_serial_port {
 #define PROBE_ANY       (~0)
 
 #define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)
-
-#ifdef CONFIG_SERIAL_SIO_SHARE_IRQ
-#define M32R_SIO_SHARE_IRQS 1
-#else
-#define M32R_SIO_SHARE_IRQS 0
-#endif