diff options
| -rw-r--r-- | common/stdio.c | 13 | ||||
| -rw-r--r-- | common/usb_kbd.c | 2 | ||||
| -rw-r--r-- | drivers/serial/serial-uclass.c | 2 | ||||
| -rw-r--r-- | include/stdio_dev.h | 4 |
4 files changed, 14 insertions, 7 deletions
diff --git a/common/stdio.c b/common/stdio.c index c878103a48..82328150cb 100644 --- a/common/stdio.c +++ b/common/stdio.c @@ -34,6 +34,9 @@ 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) @@ -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; } @@ -202,7 +209,7 @@ 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 +218,7 @@ 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 */ diff --git a/common/usb_kbd.c b/common/usb_kbd.c index d4d5f48521..dcb693d0c3 100644 --- a/common/usb_kbd.c +++ b/common/usb_kbd.c @@ -550,7 +550,7 @@ int drv_usb_kbd_init(void) int usb_kbd_deregister(void) { #ifdef CONFIG_SYS_STDIO_DEREGISTER - int ret = stdio_deregister(DEVNAME); + int ret = stdio_deregister(DEVNAME, 0); if (ret && ret != -ENODEV) return ret; diff --git a/drivers/serial/serial-uclass.c b/drivers/serial/serial-uclass.c index 1ac943f692..fd010cac42 100644 --- a/drivers/serial/serial-uclass.c +++ b/drivers/serial/serial-uclass.c @@ -198,7 +198,7 @@ static int serial_pre_remove(struct udevice *dev) #ifdef CONFIG_SYS_STDIO_DEREGISTER struct serial_dev_priv *upriv = dev->uclass_priv; - if (stdio_deregister_dev(upriv->sdev)) + if (stdio_deregister_dev(upriv->sdev), 0) return -EPERM; #endif diff --git a/include/stdio_dev.h b/include/stdio_dev.h index 268de8ea70..24da23fe50 100644 --- a/include/stdio_dev.h +++ b/include/stdio_dev.h @@ -103,8 +103,8 @@ int stdio_init(void); void stdio_print_current_devices(void); #ifdef CONFIG_SYS_STDIO_DEREGISTER -int stdio_deregister(const char *devname); -int stdio_deregister_dev(struct stdio_dev *dev); +int stdio_deregister(const char *devname, int force); +int stdio_deregister_dev(struct stdio_dev *dev, int force); #endif struct list_head* stdio_get_list(void); struct stdio_dev* stdio_get_by_name(const char* name); |