Searched refs:DLAB (Results 1 – 3 of 3) sorted by relevance
7 #define DLAB 0x80 macro35 outb(c | DLAB, port + LCR); in early_serial_init()38 outb(c & ~DLAB, port + LCR); in early_serial_init()105 outb(lcr | DLAB, port + LCR); in probe_baud()
83 #define DLAB 0x80 macro161 outb(c | DLAB, early_serial_base + LCR); in early_serial_init()164 outb(c & ~DLAB, early_serial_base + LCR); in early_serial_init()
122 #define DLAB 0x80 /* Divisor Latch Access */ macro380 #define UART_CLEAR_DLAB(p) do { UART_PUT_LCR(p, UART_GET_LCR(p) & ~DLAB); SSYNC(); } while (0)381 #define UART_SET_DLAB(p) do { UART_PUT_LCR(p, UART_GET_LCR(p) | DLAB); SSYNC(); } while (0)