diff options
Diffstat (limited to 'include/linux/serial_core.h')
| -rw-r--r-- | include/linux/serial_core.h | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 297d4fa1cfe5..cbfcf38e220d 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -145,11 +145,12 @@ struct uart_port { #define UPIO_PORT (SERIAL_IO_PORT) /* 8b I/O port access */ #define UPIO_HUB6 (SERIAL_IO_HUB6) /* Hub6 ISA card */ -#define UPIO_MEM (SERIAL_IO_MEM) /* 8b MMIO access */ +#define UPIO_MEM (SERIAL_IO_MEM) /* driver-specific */ #define UPIO_MEM32 (SERIAL_IO_MEM32) /* 32b little endian */ #define UPIO_AU (SERIAL_IO_AU) /* Au1x00 and RT288x type IO */ #define UPIO_TSI (SERIAL_IO_TSI) /* Tsi108/109 type IO */ #define UPIO_MEM32BE (SERIAL_IO_MEM32BE) /* 32b big endian */ +#define UPIO_MEM16 (SERIAL_IO_MEM16) /* 16b little endian */ unsigned int read_status_mask; /* driver specific */ unsigned int ignore_status_mask; /* driver specific */ @@ -341,21 +342,26 @@ struct earlycon_device { struct earlycon_id { char name[16]; + char compatible[128]; int (*setup)(struct earlycon_device *, const char *options); } __aligned(32); -extern int setup_earlycon(char *buf); -extern int of_setup_earlycon(unsigned long addr, - int (*setup)(struct earlycon_device *, const char *)); +extern const struct earlycon_id __earlycon_table[]; +extern const struct earlycon_id __earlycon_table_end[]; + +#define OF_EARLYCON_DECLARE(_name, compat, fn) \ + static const struct earlycon_id __UNIQUE_ID(__earlycon_##_name) \ + __used __section(__earlycon_table) \ + = { .name = __stringify(_name), \ + .compatible = compat, \ + .setup = fn } -#define EARLYCON_DECLARE(_name, func) \ - static const struct earlycon_id __earlycon_##_name \ - __used __section(__earlycon_table) \ - = { .name = __stringify(_name), \ - .setup = func } +#define EARLYCON_DECLARE(_name, fn) OF_EARLYCON_DECLARE(_name, "", fn) -#define OF_EARLYCON_DECLARE(name, compat, fn) \ - _OF_DECLARE(earlycon, name, compat, fn, void *) +extern int setup_earlycon(char *buf); +extern int of_setup_earlycon(const struct earlycon_id *match, + unsigned long node, + const char *options); struct uart_port *uart_get_console(struct uart_port *ports, int nr, struct console *c); |
