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stdio: Add force parameter to stdio_deregister

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In some cases we really want to move forward with a deregister, add a force
parameter to allow this, and replace the dev with a nulldev in this case.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Hans de Goede
2014-09-20 16:54:37 +02:00
committed by Marek Vasut
parent 3f78a28037
commit 32d019265d
4 changed files with 14 additions and 7 deletions
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2
common/usb_kbd.c
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@@ -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;