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7640f1a44e
Let's add match_devname_and_update_preferred_console() for driver subsystems to call during init when the console is ready, and it's character device name is known. For now, we use it only for the serial layer to allow console=DEVNAME:0.0 style hardware based addressing for consoles. The earlier attempt on doing this caused a regression with the kernel command line console order as it added calling __add_preferred_console() again later on during init. A better approach was suggested by Petr where we add the deferred console to the console_cmdline[] and update it later on when the console is ready. Suggested-by: Petr Mladek <pmladek@suse.com> Co-developed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Tony Lindgren <tony.lindgren@linux.intel.com> Reviewed-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20240703100615.118762-2-tony.lindgren@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
17 lines
492 B
C
17 lines
492 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _CONSOLE_CMDLINE_H
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#define _CONSOLE_CMDLINE_H
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struct console_cmdline
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{
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char name[16]; /* Name of the driver */
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int index; /* Minor dev. to use */
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char devname[32]; /* DEVNAME:0.0 style device name */
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bool user_specified; /* Specified by command line vs. platform */
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char *options; /* Options for the driver */
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#ifdef CONFIG_A11Y_BRAILLE_CONSOLE
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char *brl_options; /* Options for braille driver */
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#endif
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};
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#endif
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