sniper: Fastboot support

[karo-tx-uboot.git] / common / stdio.c

diff --git a/common/stdio.c b/common/stdio.c
index c878103a4826b6d9f72b669125523a9b613d6bb3..adbfc890dd4d8ac907cd73b7e9c4a481bda6150a 100644 (file)
--- a/common/stdio.c
+++ b/common/stdio.c
@@ -34,41 +34,44 @@ char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" };
 #define        CONFIG_SYS_DEVICE_NULLDEV       1
 #endif
 
+#ifdef CONFIG_SYS_STDIO_DEREGISTER
+#define        CONFIG_SYS_DEVICE_NULLDEV       1
+#endif
 
 #ifdef CONFIG_SYS_DEVICE_NULLDEV
-void nulldev_putc(struct stdio_dev *dev, const char c)
+static void nulldev_putc(struct stdio_dev *dev, const char c)
 {
        /* nulldev is empty! */
 }
 
-void nulldev_puts(struct stdio_dev *dev, const char *s)
+static void nulldev_puts(struct stdio_dev *dev, const char *s)
 {
        /* nulldev is empty! */
 }
 
-int nulldev_input(struct stdio_dev *dev)
+static int nulldev_input(struct stdio_dev *dev)
 {
        /* nulldev is empty! */
        return 0;
 }
 #endif
 
-void stdio_serial_putc(struct stdio_dev *dev, const char c)
+static void stdio_serial_putc(struct stdio_dev *dev, const char c)
 {
        serial_putc(c);
 }
 
-void stdio_serial_puts(struct stdio_dev *dev, const char *s)
+static void stdio_serial_puts(struct stdio_dev *dev, const char *s)
 {
        serial_puts(s);
 }
 
-int stdio_serial_getc(struct stdio_dev *dev)
+static int stdio_serial_getc(struct stdio_dev *dev)
 {
        return serial_getc();
 }
 
-int stdio_serial_tstc(struct stdio_dev *dev)
+static int stdio_serial_tstc(struct stdio_dev *dev)
 {
        return serial_tstc();
 }
@@ -172,7 +175,7 @@ int stdio_register(struct stdio_dev *dev)
  * returns 0 if success, -1 if device is assigned and 1 if devname not found
  */
 #ifdef CONFIG_SYS_STDIO_DEREGISTER
-int stdio_deregister_dev(struct stdio_dev *dev)
+int stdio_deregister_dev(struct stdio_dev *dev, int force)
 {
        int l;
        struct list_head *pos;
@@ -181,6 +184,10 @@ int stdio_deregister_dev(struct stdio_dev *dev)
        /* get stdio devices (ListRemoveItem changes the dev list) */
        for (l=0 ; l< MAX_FILES; l++) {
                if (stdio_devices[l] == dev) {
+                       if (force) {
+                               strcpy(temp_names[l], "nulldev");
+                               continue;
+                       }
                        /* Device is assigned -> report error */
                        return -1;
                }
@@ -190,6 +197,7 @@ int stdio_deregister_dev(struct stdio_dev *dev)
        }
 
        list_del(&(dev->list));
+       free(dev);
 
        /* reassign Device list */
        list_for_each(pos, &(devs.list)) {
@@ -202,7 +210,7 @@ int stdio_deregister_dev(struct stdio_dev *dev)
        return 0;
 }
 
-int stdio_deregister(const char *devname)
+int stdio_deregister(const char *devname, int force)
 {
        struct stdio_dev *dev;
 
@@ -211,7 +219,7 @@ int stdio_deregister(const char *devname)
        if (!dev) /* device not found */
                return -ENODEV;
 
-       return stdio_deregister_dev(dev);
+       return stdio_deregister_dev(dev, force);
 }
 #endif /* CONFIG_SYS_STDIO_DEREGISTER */