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serial: Remove unused uart_get_console

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uart_get_console() has been unused since 2019's
commit bd0d9d1599 ("serial: remove ks8695 driver")

Remove it, and it's associated docs.

Signed-off-by: "Dr. David Alan Gilbert" <linux@treblig.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250608154654.73994-1-linux@treblig.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dr. David Alan Gilbert
2025-06-08 16:46:54 +01:00
committed by Greg Kroah-Hartman
parent 4fcc287f3c
commit d574c5dc8c
3 changed files with 3 additions and 33 deletions
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7
Documentation/driver-api/serial/driver.rst
View File

@@ -24,9 +24,8 @@ console support.
Console Support
---------------
The serial core provides a few helper functions. This includes identifying
the correct port structure (via uart_get_console()) and decoding command line
arguments (uart_parse_options()).
The serial core provides a few helper functions. This includes
decoding command line arguments (uart_parse_options()).
There is also a helper function (uart_console_write()) which performs a
character by character write, translating newlines to CRLF sequences.
@@ -76,7 +75,7 @@ Other functions
uart_add_one_port uart_remove_one_port uart_console_write
uart_parse_earlycon uart_parse_options uart_set_options
uart_get_lsr_info uart_handle_dcd_change uart_handle_cts_change
uart_try_toggle_sysrq uart_get_console
uart_try_toggle_sysrq
.. kernel-doc:: include/linux/serial_core.h
:identifiers: uart_port_tx_limited uart_port_tx

27
drivers/tty/serial/serial_core.c
View File

@@ -2131,33 +2131,6 @@ void uart_console_write(struct uart_port *port, const char *s,
}
EXPORT_SYMBOL_GPL(uart_console_write);
/**
* uart_get_console - get uart port for console
* @ports: ports to search in
* @nr: number of @ports
* @co: console to search for
* Returns: uart_port for the console @co
*
* Check whether an invalid uart number has been specified (as @co->index), and
* if so, search for the first available port that does have console support.
*/
struct uart_port * __init
uart_get_console(struct uart_port *ports, int nr, struct console *co)
{
int idx = co->index;
if (idx < 0 || idx >= nr || (ports[idx].iobase == 0 &&
ports[idx].membase == NULL))
for (idx = 0; idx < nr; idx++)
if (ports[idx].iobase != 0 ||
ports[idx].membase != NULL)
break;
co->index = idx;
return ports + idx;
}
/**
* uart_parse_earlycon - Parse earlycon options
* @p: ptr to 2nd field (ie., just beyond '<name>,')

2
include/linux/serial_core.h
View File

@@ -1101,8 +1101,6 @@ static inline bool uart_console_registered(struct uart_port *port)
return uart_console(port) && console_is_registered(port->cons);
}
struct uart_port *uart_get_console(struct uart_port *ports, int nr,
struct console *c);
int uart_parse_earlycon(char *p, enum uart_iotype *iotype,
resource_size_t *addr, char **options);
void uart_parse_options(const char *options, int *baud, int *parity, int *bits,