Searched refs:DLAB (Results 1 – 3 of 3) sorted by relevance
5 #define DLAB 0x80 macro33 outb(c | DLAB, port + LCR); in early_serial_init()36 outb(c & ~DLAB, port + LCR); in early_serial_init()103 outb(lcr | DLAB, port + LCR); in probe_baud()
84 #define DLAB 0x80 macro141 serial_out(early_serial_base, LCR, c | DLAB); in early_serial_hw_init()144 serial_out(early_serial_base, LCR, c & ~DLAB); in early_serial_hw_init()
121 #define DLAB 0x80 /* Divisor Latch Access */ macro379 #define UART_CLEAR_DLAB(p) do { UART_PUT_LCR(p, UART_GET_LCR(p) & ~DLAB); SSYNC(); } while (0)380 #define UART_SET_DLAB(p) do { UART_PUT_LCR(p, UART_GET_LCR(p) | DLAB); SSYNC(); } while (0)