/linux/drivers/acpi/ |
A D | acpi_dbg.c | 27 #define circ_count(circ) \ argument 28 (CIRC_CNT((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE)) 29 #define circ_count_to_end(circ) \ argument 30 (CIRC_CNT_TO_END((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE)) 31 #define circ_space(circ) \ argument 32 (CIRC_SPACE((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE)) 33 #define circ_space_to_end(circ) \ argument 34 (CIRC_SPACE_TO_END((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE)) 97 if (!(acpi_aml_io.flags & flag) && circ_count(circ)) in __acpi_aml_readable() 212 if (!__acpi_aml_writable(circ, flag)) { in acpi_aml_lock_write() [all …]
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/linux/drivers/char/hw_random/ |
A D | cctrng.c | 64 struct circ_buf circ; member 205 return CIRC_SPACE(drvdata->circ.head, in circ_buf_space() 216 u32 *buf = (u32 *)drvdata->circ.buf; in cctrng_read() 229 cnt_w = CIRC_CNT_TO_END(drvdata->circ.head, in cctrng_read() 234 circ_idx_inc(&drvdata->circ.tail, size); in cctrng_read() 238 cnt_w = CIRC_CNT(drvdata->circ.head, in cctrng_read() 243 circ_idx_inc(&drvdata->circ.tail, size); in cctrng_read() 358 u32 *buf = (u32 *)drvdata->circ.buf; in cc_trng_compwork_handler() 360 buf[drvdata->circ.head] = cc_ioread(drvdata, in cc_trng_compwork_handler() 366 if (buf[drvdata->circ.head] == 0) { in cc_trng_compwork_handler() [all …]
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/linux/drivers/gpu/drm/msm/ |
A D | msm_rd.c | 70 #define circ_count(circ) \ argument 71 (CIRC_CNT((circ)->head, (circ)->tail, BUF_SZ)) 72 #define circ_count_to_end(circ) \ argument 73 (CIRC_CNT_TO_END((circ)->head, (circ)->tail, BUF_SZ)) 75 #define circ_space(circ) \ argument 76 (CIRC_SPACE((circ)->head, (circ)->tail, BUF_SZ)) 77 #define circ_space_to_end(circ) \ argument 78 (CIRC_SPACE_TO_END((circ)->head, (circ)->tail, BUF_SZ))
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/linux/tools/power/acpi/tools/acpidbg/ |
A D | acpidbg.c | 41 #define circ_count(circ) \ argument 42 (CIRC_CNT((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE)) 43 #define circ_count_to_end(circ) \ argument 44 (CIRC_CNT_TO_END((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE)) 45 #define circ_space(circ) \ argument 46 (CIRC_SPACE((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE)) 47 #define circ_space_to_end(circ) \ argument 48 (CIRC_SPACE_TO_END((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE))
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/linux/include/linux/ |
A D | serial_core.h | 420 #define uart_circ_empty(circ) ((circ)->head == (circ)->tail) argument 421 #define uart_circ_clear(circ) ((circ)->head = (circ)->tail = 0) argument 423 #define uart_circ_chars_pending(circ) \ argument 424 (CIRC_CNT((circ)->head, (circ)->tail, UART_XMIT_SIZE)) 426 #define uart_circ_chars_free(circ) \ argument 427 (CIRC_SPACE((circ)->head, (circ)->tail, UART_XMIT_SIZE))
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/linux/drivers/tty/serial/jsm/ |
A D | jsm_neo.c | 482 struct circ_buf *circ; in neo_copy_data_from_queue_to_uart() local 487 circ = &ch->uart_port.state->xmit; in neo_copy_data_from_queue_to_uart() 490 if (uart_circ_empty(circ)) in neo_copy_data_from_queue_to_uart() 506 writeb(circ->buf[circ->tail], &ch->ch_neo_uart->txrx); in neo_copy_data_from_queue_to_uart() 508 "Tx data: %x\n", circ->buf[circ->tail]); in neo_copy_data_from_queue_to_uart() 509 circ->tail = (circ->tail + 1) & (UART_XMIT_SIZE - 1); in neo_copy_data_from_queue_to_uart() 524 head = circ->head & (UART_XMIT_SIZE - 1); in neo_copy_data_from_queue_to_uart() 525 tail = circ->tail & (UART_XMIT_SIZE - 1); in neo_copy_data_from_queue_to_uart() 526 qlen = uart_circ_chars_pending(circ); in neo_copy_data_from_queue_to_uart() 548 circ->tail = tail & (UART_XMIT_SIZE - 1); in neo_copy_data_from_queue_to_uart() [all …]
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A D | jsm_cls.c | 453 struct circ_buf *circ; in cls_copy_data_from_queue_to_uart() local 458 circ = &ch->uart_port.state->xmit; in cls_copy_data_from_queue_to_uart() 461 if (uart_circ_empty(circ)) in cls_copy_data_from_queue_to_uart() 475 tail = circ->tail & (UART_XMIT_SIZE - 1); in cls_copy_data_from_queue_to_uart() 476 qlen = uart_circ_chars_pending(circ); in cls_copy_data_from_queue_to_uart() 482 writeb(circ->buf[tail], &ch->ch_cls_uart->txrx); in cls_copy_data_from_queue_to_uart() 490 circ->tail = tail & (UART_XMIT_SIZE - 1); in cls_copy_data_from_queue_to_uart() 495 if (uart_circ_empty(circ)) in cls_copy_data_from_queue_to_uart()
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/linux/drivers/tty/serial/ |
A D | serial_core.c | 534 struct circ_buf *circ; in uart_put_char() local 538 circ = &state->xmit; in uart_put_char() 540 if (!circ->buf) { in uart_put_char() 546 circ->buf[circ->head] = c; in uart_put_char() 547 circ->head = (circ->head + 1) & (UART_XMIT_SIZE - 1); in uart_put_char() 564 struct circ_buf *circ; in uart_write() local 578 circ = &state->xmit; in uart_write() 579 if (!circ->buf) { in uart_write() 585 c = CIRC_SPACE_TO_END(circ->head, circ->tail, UART_XMIT_SIZE); in uart_write() 590 memcpy(circ->buf + circ->head, buf, c); in uart_write() [all …]
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