diff options
| author | Ben Hutchings <ben@decadent.org.uk> | 2013-09-01 17:24:16 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-26 15:56:15 -0700 |
| commit | 1926d0aeecf0280c67bf7464b2d68fe4e92c566b (patch) | |
| tree | f2a747640f8ed7861357117e830c7f8616f5add0 /drivers/tty/hvc/hvc_vio.c | |
| parent | 216fce2e78acd6558b6c16b28295ed7a639dd2c9 (diff) | |
| download | lwn-1926d0aeecf0280c67bf7464b2d68fe4e92c566b.tar.gz lwn-1926d0aeecf0280c67bf7464b2d68fe4e92c566b.zip | |
hvc_vio: Do not override preferred console set by kernel parameter
The original version of this was done by Bastian Blank, who wrote:
> The problem is the following:
> - Architecture specific code sets preferred console to something bogus.
> - Command line handling tries to set preferred console but is overruled
> by the old setting.
>
> The udbg0 console is a boot console and independant.
References: http://bugs.debian.org/492703
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/hvc/hvc_vio.c')
| -rw-r--r-- | drivers/tty/hvc/hvc_vio.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/tty/hvc/hvc_vio.c b/drivers/tty/hvc/hvc_vio.c index c791b18cdd08..b594abfbf21e 100644 --- a/drivers/tty/hvc/hvc_vio.c +++ b/drivers/tty/hvc/hvc_vio.c @@ -48,6 +48,7 @@ #include <asm/prom.h> #include <asm/hvsi.h> #include <asm/udbg.h> +#include <asm/machdep.h> #include "hvc_console.h" @@ -457,7 +458,9 @@ void __init hvc_vio_init_early(void) if (hvterm_priv0.proto == HV_PROTOCOL_HVSI) goto out; #endif - add_preferred_console("hvc", 0, NULL); + /* Check whether the user has requested a different console. */ + if (!strstr(cmd_line, "console=")) + add_preferred_console("hvc", 0, NULL); hvc_instantiate(0, 0, ops); out: of_node_put(stdout_node); |