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Searched refs:quot (Results 1 – 25 of 55) sorted by relevance

123

/Linux-v4.19/lib/
Ddiv64.c105 u64 quot; in div64_u64_rem() local
109 quot = div_u64_rem(dividend, divisor, &rem32); in div64_u64_rem()
113 quot = div_u64(dividend >> n, divisor >> n); in div64_u64_rem()
115 if (quot != 0) in div64_u64_rem()
116 quot--; in div64_u64_rem()
118 *remainder = dividend - quot * divisor; in div64_u64_rem()
120 quot++; in div64_u64_rem()
125 return quot; in div64_u64_rem()
145 u64 quot; in div64_u64() local
148 quot = div_u64(dividend, divisor); in div64_u64()
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/Linux-v4.19/tools/perf/util/
Dtsc.c9 u64 t, quot, rem; in perf_time_to_tsc() local
12 quot = t / tc->time_mult; in perf_time_to_tsc()
14 return (quot << tc->time_shift) + in perf_time_to_tsc()
20 u64 quot, rem; in tsc_to_perf_time() local
22 quot = cyc >> tc->time_shift; in tsc_to_perf_time()
24 return tc->time_zero + quot * tc->time_mult + in tsc_to_perf_time()
/Linux-v4.19/drivers/usb/serial/
Dark3116.c65 int quot; /* baudrate divisor */ member
164 priv->quot = calc_divisor(9600); in ark3116_port_probe()
165 ark3116_write_reg(serial, UART_DLL, priv->quot & 0xff); in ark3116_port_probe()
166 ark3116_write_reg(serial, UART_DLM, (priv->quot>>8) & 0xff); in ark3116_port_probe()
211 int quot; in ark3116_set_termios() local
248 quot = calc_divisor(9600); in ark3116_set_termios()
253 quot = calc_divisor(bps); in ark3116_set_termios()
257 quot = calc_divisor(bps); in ark3116_set_termios()
261 quot = calc_divisor(bps); in ark3116_set_termios()
272 __func__, hcr, lcr, quot); in ark3116_set_termios()
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/Linux-v4.19/tools/perf/arch/x86/tests/
Drdpmc.c64 u64 quot, rem; in mmap_read_self() local
66 quot = (cyc >> time_shift); in mmap_read_self()
68 delta = time_offset + quot * time_mult + in mmap_read_self()
75 quot = count / running; in mmap_read_self()
77 count = quot * enabled + (rem * enabled) / running; in mmap_read_self()
/Linux-v4.19/drivers/tty/serial/8250/
D8250_mtk.c37 unsigned int baud, quot; in mtk8250_set_termios() local
60 quot = uart_get_divisor(port, baud); in mtk8250_set_termios()
67 quot = DIV_ROUND_UP(port->uartclk, 4 * baud); in mtk8250_set_termios()
70 quot = DIV_ROUND_UP(port->uartclk, 256 * baud); in mtk8250_set_termios()
81 serial_dl_write(up, quot); in mtk8250_set_termios()
89 tmp = DIV_ROUND_CLOSEST(port->uartclk, quot * baud); in mtk8250_set_termios()
D8250_port.c1095 unsigned short quot; in autoconfig_16550a() local
1099 quot = serial_dl_read(up); in autoconfig_16550a()
1100 quot <<= 3; in autoconfig_16550a()
1103 serial_dl_write(up, quot); in autoconfig_16550a()
2503 unsigned int quot; in serial8250_do_get_divisor() local
2512 quot = 0x8001; in serial8250_do_get_divisor()
2515 quot = 0x8002; in serial8250_do_get_divisor()
2517 quot = xr17v35x_get_divisor(up, baud, frac); in serial8250_do_get_divisor()
2519 quot = npcm_get_divisor(up, baud); in serial8250_do_get_divisor()
2521 quot = uart_get_divisor(port, baud); in serial8250_do_get_divisor()
[all …]
D8250_dw.c385 unsigned int quot, rem, base_baud = baud * 16; in dw8250_get_divisor() local
388 quot = p->uartclk / base_baud; in dw8250_get_divisor()
392 return quot; in dw8250_get_divisor()
396 unsigned int quot, unsigned int quot_frac) in dw8250_set_divisor() argument
399 serial8250_do_set_divisor(p, baud, quot, quot_frac); in dw8250_set_divisor()
/Linux-v4.19/arch/x86/boot/
Dearly_serial_console.c105 unsigned int quot; in probe_baud() local
112 quot = (dlh << 8) | dll; in probe_baud()
114 return BASE_BAUD / quot; in probe_baud()
/Linux-v4.19/arch/powerpc/platforms/embedded6xx/
Dls_uart.c61 unsigned int quot = AVR_QUOT(avr_clock); in avr_uart_configure() local
75 out_8(avr_addr + UART_DLL, quot & 0xff); /* LS of divisor */ in avr_uart_configure()
76 out_8(avr_addr + UART_DLM, quot >> 8); /* MS of divisor */ in avr_uart_configure()
/Linux-v4.19/drivers/tty/serial/
D21285.c214 unsigned int baud, quot, h_lcr, b; in serial21285_set_termios() local
231 quot = uart_get_divisor(port, baud); in serial21285_set_termios()
232 b = port->uartclk / (16 * quot); in serial21285_set_termios()
290 quot -= 1; in serial21285_set_termios()
293 *CSR_L_UBRLCR = quot & 0xff; in serial21285_set_termios()
294 *CSR_M_UBRLCR = (quot >> 8) & 0x0f; in serial21285_set_termios()
Dsunsu.c490 unsigned int iflag, unsigned int quot);
495 int quot, new_baud; in sunsu_change_mouse_baud() local
500 quot = up->port.uartclk / (16 * new_baud); in sunsu_change_mouse_baud()
502 sunsu_change_speed(&up->port, up->cflag, 0, quot); in sunsu_change_mouse_baud()
779 unsigned int iflag, unsigned int quot) in sunsu_change_speed() argument
818 if ((quot & 0xff) == 0 && up->port.type == PORT_16C950 && in sunsu_change_speed()
820 quot ++; in sunsu_change_speed()
823 if ((up->port.uartclk / quot) < (2400 * 16)) in sunsu_change_speed()
844 uart_update_timeout(port, cflag, (port->uartclk / (16 * quot))); in sunsu_change_speed()
888 serial_outp(up, UART_DLL, quot & 0xff); /* LS of divisor */ in sunsu_change_speed()
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Dapbuart.c241 unsigned int baud, quot; in apbuart_set_termios() local
249 quot = (uart_get_divisor(port, baud)) * 2; in apbuart_set_termios()
282 quot -= 1; in apbuart_set_termios()
283 UART_PUT_SCAL(port, quot); in apbuart_set_termios()
460 unsigned int quot, status; in apbuart_console_get_options() local
472 quot = UART_GET_SCAL(port) / 8; in apbuart_console_get_options()
473 *baud = port->uartclk / (16 * (quot + 1)); in apbuart_console_get_options()
Dserial_txx9.c205 sio_quot_set(struct uart_txx9_port *up, int quot) in sio_quot_set() argument
207 quot >>= 1; in sio_quot_set()
208 if (quot < 256) in sio_quot_set()
209 sio_out(up, TXX9_SIBGR, quot | TXX9_SIBGR_BCLK_T0); in sio_quot_set()
210 else if (quot < (256 << 2)) in sio_quot_set()
211 sio_out(up, TXX9_SIBGR, (quot >> 2) | TXX9_SIBGR_BCLK_T2); in sio_quot_set()
212 else if (quot < (256 << 4)) in sio_quot_set()
213 sio_out(up, TXX9_SIBGR, (quot >> 4) | TXX9_SIBGR_BCLK_T4); in sio_quot_set()
214 else if (quot < (256 << 6)) in sio_quot_set()
215 sio_out(up, TXX9_SIBGR, (quot >> 6) | TXX9_SIBGR_BCLK_T6); in sio_quot_set()
[all …]
Dnetx-serial.c328 unsigned int baud, quot; in netx_set_termios() local
361 quot = baud * 4096; in netx_set_termios()
362 quot /= 1000; in netx_set_termios()
363 quot *= 256; in netx_set_termios()
364 quot /= 100000; in netx_set_termios()
387 writel((quot>>8) & 0xff, port->membase + UART_BAUDDIV_MSB); in netx_set_termios()
388 writel(quot & 0xff, port->membase + UART_BAUDDIV_LSB); in netx_set_termios()
Dsa1100.c410 unsigned int utcr0, old_utcr3, baud, quot; in sa1100_set_termios() local
440 quot = uart_get_divisor(port, baud); in sa1100_set_termios()
495 quot -= 1; in sa1100_set_termios()
496 UART_PUT_UTCR1(sport, ((quot & 0xf00) >> 8)); in sa1100_set_termios()
497 UART_PUT_UTCR2(sport, (quot & 0xff)); in sa1100_set_termios()
742 unsigned int utcr0, quot; in sa1100_console_get_options() local
759 quot = UART_GET_UTCR2(sport) | UART_GET_UTCR1(sport) << 8; in sa1100_console_get_options()
760 quot &= 0xfff; in sa1100_console_get_options()
761 *baud = sport->port.uartclk / (16 * (quot + 1)); in sa1100_console_get_options()
Dclps711x.c261 unsigned int baud, quot; in uart_clps711x_set_termios() local
270 quot = uart_get_divisor(port, baud); in uart_clps711x_set_termios()
313 writel(ubrlcr | (quot - 1), port->membase + UBRLCR_OFFSET); in uart_clps711x_set_termios()
389 unsigned int quot; in uart_clps711x_console_setup() local
418 quot = ubrlcr & UBRLCR_BAUD_MASK; in uart_clps711x_console_setup()
419 baud = port->uartclk / (16 * (quot + 1)); in uart_clps711x_console_setup()
Damba-pl010.c388 unsigned int baud, quot; in pl010_set_termios() local
394 quot = uart_get_divisor(port, baud); in pl010_set_termios()
464 quot -= 1; in pl010_set_termios()
465 writel((quot & 0xf00) >> 8, uap->port.membase + UART010_LCRM); in pl010_set_termios()
466 writel(quot & 0xff, uap->port.membase + UART010_LCRL); in pl010_set_termios()
615 unsigned int lcr_h, quot; in pl010_console_get_options() local
631 quot = readb(uap->port.membase + UART010_LCRL) | in pl010_console_get_options()
633 *baud = uap->port.uartclk / (16 * (quot + 1)); in pl010_console_get_options()
Dpxa.c434 unsigned int baud, quot; in serial_pxa_set_termios() local
464 quot = uart_get_divisor(port, baud); in serial_pxa_set_termios()
466 if ((up->port.uartclk / quot) < (2400 * 16)) in serial_pxa_set_termios()
468 else if ((up->port.uartclk / quot) < (230400 * 16)) in serial_pxa_set_termios()
533 serial_out(up, UART_DLL, quot & 0xff); /* LS of divisor */ in serial_pxa_set_termios()
540 WARN_ON(dll != (quot & 0xff)); in serial_pxa_set_termios()
542 serial_out(up, UART_DLM, quot >> 8); /* MS of divisor */ in serial_pxa_set_termios()
Dsunsab.c685 unsigned int quot) in sunsab_convert_to_sab() argument
770 (up->port.uartclk / (16 * quot))); in sunsab_convert_to_sab()
789 unsigned int quot = uart_get_divisor(port, baud); in sunsab_set_termios() local
792 sunsab_convert_to_sab(up, termios->c_cflag, termios->c_iflag, baud, quot); in sunsab_set_termios()
884 unsigned int baud, quot; in sunsab_console_setup() local
940 quot = uart_get_divisor(&up->port, baud); in sunsab_console_setup()
941 sunsab_convert_to_sab(up, con->cflag, 0, baud, quot); in sunsab_console_setup()
/Linux-v4.19/drivers/tty/
Damiserial.c106 int quot; member
650 int quot = 0, baud_base, baud; in change_speed() local
681 quot = info->custom_divisor; in change_speed()
685 quot = (2*baud_base / 269); in change_speed()
687 quot = baud_base / baud; in change_speed()
690 if (!quot && old_termios) { in change_speed()
699 quot = info->custom_divisor; in change_speed()
703 quot = (2*baud_base / 269); in change_speed()
705 quot = baud_base / baud; in change_speed()
709 if (!quot) in change_speed()
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Dmxser.c571 unsigned int quot = 0, baud; in mxser_set_baud() local
582 quot = 2 * info->baud_base / 269; in mxser_set_baud()
585 quot = info->baud_base / newspd; in mxser_set_baud()
586 if (quot == 0) in mxser_set_baud()
587 quot = 1; in mxser_set_baud()
588 baud = info->baud_base/quot; in mxser_set_baud()
591 quot = 0; in mxser_set_baud()
598 timeout = (u64)info->xmit_fifo_size * HZ * 10 * quot; in mxser_set_baud()
602 if (quot) { in mxser_set_baud()
615 outb(quot & 0xff, info->ioaddr + UART_DLL); /* LS of divisor */ in mxser_set_baud()
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/Linux-v4.19/drivers/staging/speakup/
Dserialio.c48 int baud = 9600, quot = 0; in spk_serial_init() local
61 quot = ser->baud_base / baud; in spk_serial_init()
88 outb(quot & 0xff, ser->port + UART_DLL); /* LS of divisor */ in spk_serial_init()
89 outb(quot >> 8, ser->port + UART_DLM); /* MS of divisor */ in spk_serial_init()
/Linux-v4.19/arch/m68k/math-emu/
Dfp_arith.c372 unsigned long quot, rem; in fp_fsgldiv() local
423 fp_div64(quot, rem, dest->mant.m32[0], 0, src->mant.m32[0]); in fp_fsgldiv()
424 dest->mant.m32[0] = 0x80000000 | (quot >> 1); in fp_fsgldiv()
425 dest->mant.m32[1] = (quot & 1) | rem; /* only for rounding */ in fp_fsgldiv()
427 fp_div64(quot, rem, dest->mant.m32[0], 0, src->mant.m32[0]); in fp_fsgldiv()
428 dest->mant.m32[0] = quot; in fp_fsgldiv()
/Linux-v4.19/drivers/isdn/hisax/
Delsa_ser.c110 int quot = 0, baud_base; in change_speed() local
118 quot = baud_base / baud; in change_speed()
120 if (!quot) in change_speed()
121 quot = baud_base / 9600; in change_speed()
124 if ((baud_base / quot) < 2400) in change_speed()
134 debugl1(cs, "modem quot=0x%x", quot); in change_speed()
136 serial_outp(cs, UART_DLL, quot & 0xff); /* LS of divisor */ in change_speed()
137 serial_outp(cs, UART_DLM, quot >> 8); /* MS of divisor */ in change_speed()
/Linux-v4.19/drivers/tty/serial/jsm/
Djsm_cls.c684 int quot = 0; in cls_param() local
761 quot = ch->ch_bd->bd_dividend / baud; in cls_param()
763 if (quot != 0) { in cls_param()
765 writeb((quot & 0xff), &ch->ch_cls_uart->txrx); in cls_param()
766 writeb((quot >> 8), &ch->ch_cls_uart->ier); in cls_param()

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