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There can be only one console for console_simple, so
return with -EBUSY when the second gets registered.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Some console are transient, like the USB connected serial
console which should be removed when the USB connection is
severed.
Enable console removal for such devices.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Since fprintf and console_puts now return the number of
character written the prototypes have changes. We forgot
to fix console_simple which now fails to compile with:
common/console_simple.c:48:6: error: conflicting types for 'fprintf'
include/stdio.h:57:5: note: previous declaration of 'fprintf' was here
common/console_simple.c:67:6: error: conflicting types for 'console_puts'
include/stdio.h:20:5: note: previous declaration of 'console_puts' was here
Fix this by returning the proper numbers of characters written.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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In a noninteractive environment barebox will be compiled without
command support. So move version_string to a seperate file which
is compiled unconditionally.
Also, display the banner when the simple console support is used.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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commands/loadb.c doesn't build with CONFIG_CONSOLE_SIMPLE, because it uses
fprintf / for_each_console (which uses console_list).
Fix it by adding trivial implementations of both in console_simple.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add a simple console layer which is not able to handle multiple
consoles for those who don't need it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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