On Mon, Sep 19, 2016 at 04:33:12PM -0600, Simon Glass wrote: > This converts the following to Kconfig: > CONFIG_SYS_STDIO_DEREGISTER > > This option should never be enabled in SPL, so use > CONFIG_IS_ENABLED(SYS_STDIO_DEREGISTER) when checking the option. > > Signed-off-by: Simon Glass <s...@chromium.org> [snip] > diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig > index 76909ee..3800225 100644 > --- a/arch/arm/mach-tegra/Kconfig > +++ b/arch/arm/mach-tegra/Kconfig > @@ -12,6 +12,9 @@ config SPL_LIBGENERIC_SUPPORT > config SPL_SERIAL_SUPPORT > default y > > +config SYS_STDIO_DEREGISTER > + default y > + > config TEGRA_IVC > bool "Tegra IVC protocol" > help > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index 5193ee7..b15935d 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -34,6 +34,9 @@ config VENDOR_INTEL > > endchoice > > +config SYS_STDIO_DEREGISTER > + default y if X86 > + > # board-specific options below > source "board/advantech/Kconfig" > source "board/congatec/Kconfig" > diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig > index 9954f0a..23413f1 100644 > --- a/board/sunxi/Kconfig > +++ b/board/sunxi/Kconfig > @@ -27,6 +27,9 @@ config SPL_POWER_SUPPORT > config SPL_SERIAL_SUPPORT > default y > > +config SYS_STDIO_DEREGISTER > + default y > + > config PRE_CONSOLE_BUFFER > # Note only one of these may be selected at a time! But hidden choices are > # not supported by Kconfig > diff --git a/common/Kconfig b/common/Kconfig > index 815e11d..149d002 100644 > --- a/common/Kconfig > +++ b/common/Kconfig > @@ -326,6 +326,14 @@ config SYS_CONSOLE_INFO_QUIET > Enable this option to supress this output. It can be obtained by > calling stdio_print_current_devices() from board code. > > +config SYS_STDIO_DEREGISTER > + bool "Allow deregistering stdio devices" > + help > + Generally there is no need to deregister stdio devices since they > + are never deactivated. But if a stdio device is used which can be > + removed (for example a USB keyboard) then this option can be > + enabled to ensure this is handled correctly. > +
Maybe this needs to be default y if we have USB_KBD and a few other things? This isn't as bad as some of the others, so if we need to come back later on this, that's OK I suppose.. Thanks! -- Tom
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