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Searched refs:UART_LSR (Results 1 – 25 of 29) sorted by relevance

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/linux/arch/powerpc/boot/
H A Dns16550.c25 #define UART_LSR 5 /* In: Line Status Register */ macro
42 while ((in_8(reg_base + (UART_LSR << reg_shift)) & UART_LSR_THRE) == 0); in ns16550_putc()
48 while ((in_8(reg_base + (UART_LSR << reg_shift)) & UART_LSR_DR) == 0); in ns16550_getc()
54 return ((in_8(reg_base + (UART_LSR << reg_shift)) & UART_LSR_DR) != 0); in ns16550_tstc()
/linux/arch/arm/include/debug/
H A Dpalmchip.S5 #undef UART_LSR
9 #define UART_LSR 7 macro
H A Domap2plus.S47 mov \rp, #(UART_LSR << ZOOM_PORT_SHIFT)
72 1001: ldrb \rd, [\rx] @ rx contains UART_LSR address
H A D8250.S42 1002: load \rd, [\rx, #UART_LSR << UART_SHIFT]
H A Dtegra.S201 1001: ldrb \rd, [\rx, #UART_LSR << UART_SHIFT]
H A Dbrcmstb.S137 1002: load \rd, [\rx, #UART_LSR << UART_SHIFT]
/linux/arch/mips/ath25/
H A Dearly_printk.c40 while ((prom_uart_rr(base, UART_LSR) & UART_LSR_THRE) == 0) in prom_putchar()
43 while ((prom_uart_rr(base, UART_LSR) & UART_LSR_THRE) == 0) in prom_putchar()
/linux/arch/powerpc/platforms/embedded6xx/
H A Dls_uart.c37 char lsr = in_8(avr_addr + UART_LSR); in wd_stop()
47 while (in_8(avr_addr + UART_LSR) & UART_LSR_DR) in wd_stop()
105 (void) in_8(avr_addr + UART_LSR); in ls_uart_init()
/linux/drivers/accessibility/speakup/
H A Dserialio.c99 if (inb(ser->port + UART_LSR) == 0xff) { in spk_serial_init()
120 while (inb_p(speakup_info.port_tts + UART_LSR) & UART_LSR_DR) { in synth_readbuf_handler()
146 inb(speakup_info.port_tts + UART_LSR); in start_serial_interrupt()
258 while (!(inb_p(speakup_info.port_tts + UART_LSR) & UART_LSR_DR)) { in spk_serial_in()
272 lsr = inb_p(speakup_info.port_tts + UART_LSR); in spk_serial_in_nowait()
H A Dserialio.h38 (!uart_lsr_tx_empty(inb(speakup_info.port_tts + UART_LSR)))
/linux/arch/mips/ath79/
H A Dearly_printk.c37 prom_putchar_wait(base + UART_LSR * 4, UART_LSR_BOTH_EMPTY); in prom_putchar_ar71xx()
39 prom_putchar_wait(base + UART_LSR * 4, UART_LSR_BOTH_EMPTY); in prom_putchar_ar71xx()
/linux/drivers/tty/serial/8250/
H A D8250_rt288x.c24 [UART_LSR] = 7,
109 status = au_serial_in(port, UART_LSR); in au_putc()
H A D8250_early.c92 status = serial8250_early_in(port, UART_LSR); in serial_putc()
118 status = serial8250_early_in(port, UART_LSR); in early_serial8250_read()
H A D8250_ce4100.c48 lsr = mem_serial_in(p, UART_LSR); in ce4100_mem_serial_in()
H A D8250_tegra.c31 status = p->serial_in(p, UART_LSR); in tegra_uart_handle_break()
H A D8250_aspeed_vuart.c345 lsr = serial_port_in(port, UART_LSR); in aspeed_vuart_handle_irq()
364 lsr = serial_in(up, UART_LSR); in aspeed_vuart_handle_irq()
H A D8250_em.c69 case UART_LSR: /* LSR @ 0x18 (+1) */ in serial8250_em_serial_in()
/linux/arch/mips/kernel/
H A Dearly_printk_8250.c46 status = serial_in(UART_LSR); in prom_putchar()
H A Dcps-vec-ns16550.S15 #define UART_LSR_OFS (UART_LSR << CONFIG_MIPS_CPS_NS16550_SHIFT)
/linux/arch/mips/boot/compressed/
H A Duart-16550.c50 while (((serial_in(UART_LSR) & UART_LSR_THRE) == 0) && (timeout-- > 0)) in putc()
/linux/drivers/media/rc/
H A Dserial_ir.c197 while (!(sinp(UART_LSR) & UART_LSR_THRE)) in send_pulse_irdeo()
205 while (!(sinp(UART_LSR) & UART_LSR_TEMT)) in send_pulse_irdeo()
430 sinp(UART_LSR); in hardware_init_port()
439 sinp(UART_LSR); in hardware_init_port()
697 sinp(UART_LSR); in serial_ir_suspend()
/linux/arch/sh/include/asm/
H A Dsmc37c93x.h64 #define UART_LSR 0xa /* Line Status Register */ macro
/linux/drivers/tty/serial/
H A Dserial-tegra.c339 lsr = tegra_uart_read(tup, UART_LSR); in tegra_uart_fifo_reset()
492 unsigned long lsr = tegra_uart_read(tup, UART_LSR); in tegra_uart_fill_tx_fifo()
609 unsigned long lsr = tegra_uart_read(tup, UART_LSR); in tegra_uart_tx_empty()
653 lsr = tegra_uart_read(tup, UART_LSR); in tegra_uart_handle_rx_pio()
902 tegra_uart_read(tup, UART_LSR)); in tegra_uart_isr()
952 lsr = tegra_uart_read(tup, UART_LSR); in tegra_uart_hw_deinit()
974 lsr = tegra_uart_read(tup, UART_LSR); in tegra_uart_hw_deinit()
/linux/include/uapi/linux/
H A Dserial_reg.h139 #define UART_LSR 5 /* In: Line Status Register */ macro
/linux/drivers/mmc/core/
H A Dsdio_uart.c401 *status = sdio_in(port, UART_LSR); in sdio_uart_receive_chars()
516 lsr = sdio_in(port, UART_LSR); in sdio_uart_irq()
612 (void) sdio_in(port, UART_LSR); in sdio_uart_activate()

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