From: Scott Wood <scottwood@freescale.com>
Date: Fri, 18 Jan 2013 15:42:16 +0000 (+0000)
Subject: serial/ns16550: don't generate functions for undefined ports
X-Git-Tag: v2013.04-rc1~37
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=55db9ccae38866c627e64b497deda73547a1e84b;p=platform%2Fkernel%2Fu-boot.git

serial/ns16550: don't generate functions for undefined ports

This saved 640 bytes on MPC8536DS (a board with two of the six
ports defined).

Signed-off-by: Scott Wood <scottwood@freescale.com>
---

diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c
index fc01a3c..b92eef4 100644
--- a/drivers/serial/serial_ns16550.c
+++ b/drivers/serial/serial_ns16550.c
@@ -247,24 +247,36 @@ serial_setbrg_dev(unsigned int dev_index)
 	_serial_setbrg(dev_index);
 }
 
+#if defined(CONFIG_SYS_NS16550_COM1)
 DECLARE_ESERIAL_FUNCTIONS(1);
 struct serial_device eserial1_device =
 	INIT_ESERIAL_STRUCTURE(1, "eserial0");
+#endif
+#if defined(CONFIG_SYS_NS16550_COM2)
 DECLARE_ESERIAL_FUNCTIONS(2);
 struct serial_device eserial2_device =
 	INIT_ESERIAL_STRUCTURE(2, "eserial1");
+#endif
+#if defined(CONFIG_SYS_NS16550_COM3)
 DECLARE_ESERIAL_FUNCTIONS(3);
 struct serial_device eserial3_device =
 	INIT_ESERIAL_STRUCTURE(3, "eserial2");
+#endif
+#if defined(CONFIG_SYS_NS16550_COM4)
 DECLARE_ESERIAL_FUNCTIONS(4);
 struct serial_device eserial4_device =
 	INIT_ESERIAL_STRUCTURE(4, "eserial3");
+#endif
+#if defined(CONFIG_SYS_NS16550_COM5)
 DECLARE_ESERIAL_FUNCTIONS(5);
 struct serial_device eserial5_device =
 	INIT_ESERIAL_STRUCTURE(5, "eserial4");
+#endif
+#if defined(CONFIG_SYS_NS16550_COM6)
 DECLARE_ESERIAL_FUNCTIONS(6);
 struct serial_device eserial6_device =
 	INIT_ESERIAL_STRUCTURE(6, "eserial5");
+#endif
 
 __weak struct serial_device *default_serial_console(void)
 {