[PATCH 2/8] console: factorise function to get the first enabled console

[Jean-Christophe PLAGNIOL-VILLARD]

rename it to console_get_first_current

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
 arch/ppc/mach-mpc85xx/fdt.c |  4 +---
 commands/loadb.c            | 22 +---------------------
 commands/loadxy.c           | 24 ++----------------------
 common/console_common.c     | 21 +++++++++++++++++++++
 include/console.h           |  2 ++
 5 files changed, 27 insertions(+), 46 deletions(-)

diff --git a/arch/ppc/mach-mpc85xx/fdt.c b/arch/ppc/mach-mpc85xx/fdt.c
index 4feae44..ae2dc28 100644
--- a/arch/ppc/mach-mpc85xx/fdt.c
+++ b/arch/ppc/mach-mpc85xx/fdt.c
@@ -70,9 +70,7 @@ static int fdt_stdout_setup(struct device_node *blob)
 		goto error;
 	}
 
-	for_each_console(cdev)
-		if ((cdev->f_active & (CONSOLE_STDIN | CONSOLE_STDOUT)))
-			break;
+	cdev = console_get_first_current();
 	if (cdev)
 		sprintf(sername, "serial%d", cdev->dev->id);
 	else
diff --git a/commands/loadb.c b/commands/loadb.c
index a2f3315..f66f86d 100644
--- a/commands/loadb.c
+++ b/commands/loadb.c
@@ -591,26 +591,6 @@ err_quit:
 }
 
 /**
- * @brief returns current used console device
- *
- * @return console device which is registered with CONSOLE_STDIN and
- * CONSOLE_STDOUT
- */
-static struct console_device *get_current_console(void)
-{
-	struct console_device *cdev;
-	/*
-	 * Assumption to have BOTH CONSOLE_STDIN AND STDOUT in the
-	 * same output console
-	 */
-	for_each_console(cdev) {
-		if ((cdev->f_active & (CONSOLE_STDIN | CONSOLE_STDOUT)))
-			return cdev;
-	}
-	return NULL;
-}
-
-/**
  * @brief provide the loadb(Kermit) or loadY mode support
  *
  * @param cmdtp
@@ -650,7 +630,7 @@ static int do_load_serial_bin(int argc, char *argv[])
 		}
 	}
 
-	cdev = get_current_console();
+	cdev = console_get_first_current();
 	if (NULL == cdev) {
 		printf("%s:No console device with STDIN and STDOUT\n", argv[0]);
 		return -ENODEV;
diff --git a/commands/loadxy.c b/commands/loadxy.c
index 52ecdca..1def6ae 100644
--- a/commands/loadxy.c
+++ b/commands/loadxy.c
@@ -40,26 +40,6 @@
 
 #define DEF_FILE	"image.bin"
 
-/**
- * @brief returns current used console device
- *
- * @return console device which is registered with CONSOLE_STDIN and
- * CONSOLE_STDOUT
- */
-static struct console_device *get_current_console(void)
-{
-	struct console_device *cdev;
-	/*
-	 * Assumption to have BOTH CONSOLE_STDIN AND STDOUT in the
-	 * same output console
-	 */
-	for_each_console(cdev) {
-		if ((cdev->f_active & (CONSOLE_STDIN | CONSOLE_STDOUT)))
-			return cdev;
-	}
-	return NULL;
-}
-
 static int console_change_speed(struct console_device *cdev, int baudrate)
 {
 	int current_baudrate;
@@ -134,7 +114,7 @@ static int do_loady(int argc, char *argv[])
 	if (cname)
 		cdev = get_named_console(cname);
 	else
-		cdev = get_current_console();
+		cdev = console_get_first_current();
 	if (!cdev) {
 		printf("%s:No console device %s with STDIN and STDOUT\n",
 		       argv[0], cname ? cname : "default");
@@ -202,7 +182,7 @@ static int do_loadx(int argc, char *argv[])
 	if (cname)
 		cdev = get_named_console(cname);
 	else
-		cdev = get_current_console();
+		cdev = console_get_first_current();
 	if (!cdev) {
 		printf("%s:No console device %s with STDIN and STDOUT\n",
 		       argv[0], cname ? cname : "default");
diff --git a/common/console_common.c b/common/console_common.c
index 6abc6c0..b9a93db 100644
--- a/common/console_common.c
+++ b/common/console_common.c
@@ -154,3 +154,24 @@ struct console_device *console_get_by_dev(struct device_d *dev)
 	return NULL;
 }
 EXPORT_SYMBOL(console_get_by_dev);
+
+/**
+ * @brief returns current used console device
+ *
+ * @return console device which is registered with CONSOLE_STDIN and
+ * CONSOLE_STDOUT
+ */
+struct console_device *console_get_first_current(void)
+{
+	struct console_device *cdev;
+	/*
+	 * Assumption to have BOTH CONSOLE_STDIN AND STDOUT in the
+	 * same output console
+	 */
+	for_each_console(cdev) {
+		if ((cdev->f_active & (CONSOLE_STDIN | CONSOLE_STDOUT)))
+			return cdev;
+	}
+	return NULL;
+}
+EXPORT_SYMBOL(console_get_first_current);
diff --git a/include/console.h b/include/console.h
index 9e78f84..400ef7e 100644
--- a/include/console.h
+++ b/include/console.h
@@ -64,4 +64,6 @@ extern struct list_head console_list;
 bool console_is_input_allow(void);
 void console_allow_input(bool val);
 
+struct console_device *console_get_first_current(void);
+
 #endif
-- 
1.8.4.rc3