Lines Matching refs:rspi
199 static void rspi_write8(const struct rspi_data *rspi, u8 data, u16 offset) in rspi_write8() argument
201 iowrite8(data, rspi->addr + offset); in rspi_write8()
204 static void rspi_write16(const struct rspi_data *rspi, u16 data, u16 offset) in rspi_write16() argument
206 iowrite16(data, rspi->addr + offset); in rspi_write16()
209 static void rspi_write32(const struct rspi_data *rspi, u32 data, u16 offset) in rspi_write32() argument
211 iowrite32(data, rspi->addr + offset); in rspi_write32()
214 static u8 rspi_read8(const struct rspi_data *rspi, u16 offset) in rspi_read8() argument
216 return ioread8(rspi->addr + offset); in rspi_read8()
219 static u16 rspi_read16(const struct rspi_data *rspi, u16 offset) in rspi_read16() argument
221 return ioread16(rspi->addr + offset); in rspi_read16()
224 static void rspi_write_data(const struct rspi_data *rspi, u16 data) in rspi_write_data() argument
226 if (rspi->byte_access) in rspi_write_data()
227 rspi_write8(rspi, data, RSPI_SPDR); in rspi_write_data()
229 rspi_write16(rspi, data, RSPI_SPDR); in rspi_write_data()
232 static u16 rspi_read_data(const struct rspi_data *rspi) in rspi_read_data() argument
234 if (rspi->byte_access) in rspi_read_data()
235 return rspi_read8(rspi, RSPI_SPDR); in rspi_read_data()
237 return rspi_read16(rspi, RSPI_SPDR); in rspi_read_data()
242 int (*set_config_register)(struct rspi_data *rspi, int access_size);
253 static void rspi_set_rate(struct rspi_data *rspi) in rspi_set_rate() argument
258 clksrc = clk_get_rate(rspi->clk); in rspi_set_rate()
259 spbr = DIV_ROUND_UP(clksrc, 2 * rspi->speed_hz) - 1; in rspi_set_rate()
265 rspi_write8(rspi, clamp(spbr, 0, 255), RSPI_SPBR); in rspi_set_rate()
266 rspi->spcmd |= SPCMD_BRDV(brdv); in rspi_set_rate()
267 rspi->speed_hz = DIV_ROUND_UP(clksrc, (2U << brdv) * (spbr + 1)); in rspi_set_rate()
273 static int rspi_set_config_register(struct rspi_data *rspi, int access_size) in rspi_set_config_register() argument
276 rspi_write8(rspi, rspi->sppcr, RSPI_SPPCR); in rspi_set_config_register()
279 rspi_set_rate(rspi); in rspi_set_config_register()
282 rspi_write8(rspi, 0, RSPI_SPDCR); in rspi_set_config_register()
283 rspi->byte_access = 0; in rspi_set_config_register()
286 rspi_write8(rspi, 0x00, RSPI_SPCKD); in rspi_set_config_register()
287 rspi_write8(rspi, 0x00, RSPI_SSLND); in rspi_set_config_register()
288 rspi_write8(rspi, 0x00, RSPI_SPND); in rspi_set_config_register()
291 rspi_write8(rspi, 0x00, RSPI_SPCR2); in rspi_set_config_register()
294 rspi_write8(rspi, 0, RSPI_SPSCR); in rspi_set_config_register()
295 rspi->spcmd |= SPCMD_SPB_8_TO_16(access_size); in rspi_set_config_register()
296 rspi_write16(rspi, rspi->spcmd, RSPI_SPCMD0); in rspi_set_config_register()
299 rspi_write8(rspi, SPCR_MSTR, RSPI_SPCR); in rspi_set_config_register()
307 static int rspi_rz_set_config_register(struct rspi_data *rspi, int access_size) in rspi_rz_set_config_register() argument
310 rspi_write8(rspi, rspi->sppcr, RSPI_SPPCR); in rspi_rz_set_config_register()
313 rspi_set_rate(rspi); in rspi_rz_set_config_register()
316 rspi_write8(rspi, SPDCR_SPLBYTE, RSPI_SPDCR); in rspi_rz_set_config_register()
317 rspi->byte_access = 1; in rspi_rz_set_config_register()
320 rspi_write8(rspi, 0x00, RSPI_SPCKD); in rspi_rz_set_config_register()
321 rspi_write8(rspi, 0x00, RSPI_SSLND); in rspi_rz_set_config_register()
322 rspi_write8(rspi, 0x00, RSPI_SPND); in rspi_rz_set_config_register()
325 rspi_write8(rspi, 0, RSPI_SPSCR); in rspi_rz_set_config_register()
326 rspi->spcmd |= SPCMD_SPB_8_TO_16(access_size); in rspi_rz_set_config_register()
327 rspi_write16(rspi, rspi->spcmd, RSPI_SPCMD0); in rspi_rz_set_config_register()
330 rspi_write8(rspi, SPCR_MSTR, RSPI_SPCR); in rspi_rz_set_config_register()
338 static int qspi_set_config_register(struct rspi_data *rspi, int access_size) in qspi_set_config_register() argument
344 rspi_write8(rspi, rspi->sppcr, RSPI_SPPCR); in qspi_set_config_register()
347 clksrc = clk_get_rate(rspi->clk); in qspi_set_config_register()
348 if (rspi->speed_hz >= clksrc) { in qspi_set_config_register()
350 rspi->speed_hz = clksrc; in qspi_set_config_register()
352 spbr = DIV_ROUND_UP(clksrc, 2 * rspi->speed_hz); in qspi_set_config_register()
358 rspi->speed_hz = DIV_ROUND_UP(clksrc, (2U << brdv) * spbr); in qspi_set_config_register()
360 rspi_write8(rspi, spbr, RSPI_SPBR); in qspi_set_config_register()
361 rspi->spcmd |= SPCMD_BRDV(brdv); in qspi_set_config_register()
364 rspi_write8(rspi, 0, RSPI_SPDCR); in qspi_set_config_register()
365 rspi->byte_access = 1; in qspi_set_config_register()
368 rspi_write8(rspi, 0x00, RSPI_SPCKD); in qspi_set_config_register()
369 rspi_write8(rspi, 0x00, RSPI_SSLND); in qspi_set_config_register()
370 rspi_write8(rspi, 0x00, RSPI_SPND); in qspi_set_config_register()
374 rspi->spcmd |= SPCMD_SPB_8BIT; in qspi_set_config_register()
376 rspi->spcmd |= SPCMD_SPB_16BIT; in qspi_set_config_register()
378 rspi->spcmd |= SPCMD_SPB_32BIT; in qspi_set_config_register()
380 rspi->spcmd |= SPCMD_SCKDEN | SPCMD_SLNDEN | SPCMD_SPNDEN; in qspi_set_config_register()
383 rspi_write32(rspi, 0, QSPI_SPBMUL0); in qspi_set_config_register()
386 rspi_write8(rspi, SPBFCR_TXRST | SPBFCR_RXRST, QSPI_SPBFCR); in qspi_set_config_register()
388 rspi_write8(rspi, 0x00, QSPI_SPBFCR); in qspi_set_config_register()
391 rspi_write8(rspi, 0, RSPI_SPSCR); in qspi_set_config_register()
392 rspi_write16(rspi, rspi->spcmd, RSPI_SPCMD0); in qspi_set_config_register()
395 rspi_write8(rspi, SPCR_MSTR, RSPI_SPCR); in qspi_set_config_register()
400 static void qspi_update(const struct rspi_data *rspi, u8 mask, u8 val, u8 reg) in qspi_update() argument
404 data = rspi_read8(rspi, reg); in qspi_update()
407 rspi_write8(rspi, data, reg); in qspi_update()
410 static unsigned int qspi_set_send_trigger(struct rspi_data *rspi, in qspi_set_send_trigger() argument
419 qspi_update(rspi, SPBFCR_TXTRG_MASK, in qspi_set_send_trigger()
423 qspi_update(rspi, SPBFCR_TXTRG_MASK, in qspi_set_send_trigger()
430 static int qspi_set_receive_trigger(struct rspi_data *rspi, unsigned int len) in qspi_set_receive_trigger() argument
438 qspi_update(rspi, SPBFCR_RXTRG_MASK, in qspi_set_receive_trigger()
442 qspi_update(rspi, SPBFCR_RXTRG_MASK, in qspi_set_receive_trigger()
448 static void rspi_enable_irq(const struct rspi_data *rspi, u8 enable) in rspi_enable_irq() argument
450 rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) | enable, RSPI_SPCR); in rspi_enable_irq()
453 static void rspi_disable_irq(const struct rspi_data *rspi, u8 disable) in rspi_disable_irq() argument
455 rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) & ~disable, RSPI_SPCR); in rspi_disable_irq()
458 static int rspi_wait_for_interrupt(struct rspi_data *rspi, u8 wait_mask, in rspi_wait_for_interrupt() argument
463 rspi->spsr = rspi_read8(rspi, RSPI_SPSR); in rspi_wait_for_interrupt()
464 if (rspi->spsr & wait_mask) in rspi_wait_for_interrupt()
467 rspi_enable_irq(rspi, enable_bit); in rspi_wait_for_interrupt()
468 ret = wait_event_timeout(rspi->wait, rspi->spsr & wait_mask, HZ); in rspi_wait_for_interrupt()
469 if (ret == 0 && !(rspi->spsr & wait_mask)) in rspi_wait_for_interrupt()
475 static inline int rspi_wait_for_tx_empty(struct rspi_data *rspi) in rspi_wait_for_tx_empty() argument
477 return rspi_wait_for_interrupt(rspi, SPSR_SPTEF, SPCR_SPTIE); in rspi_wait_for_tx_empty()
480 static inline int rspi_wait_for_rx_full(struct rspi_data *rspi) in rspi_wait_for_rx_full() argument
482 return rspi_wait_for_interrupt(rspi, SPSR_SPRF, SPCR_SPRIE); in rspi_wait_for_rx_full()
485 static int rspi_data_out(struct rspi_data *rspi, u8 data) in rspi_data_out() argument
487 int error = rspi_wait_for_tx_empty(rspi); in rspi_data_out()
489 dev_err(&rspi->ctlr->dev, "transmit timeout\n"); in rspi_data_out()
492 rspi_write_data(rspi, data); in rspi_data_out()
496 static int rspi_data_in(struct rspi_data *rspi) in rspi_data_in() argument
501 error = rspi_wait_for_rx_full(rspi); in rspi_data_in()
503 dev_err(&rspi->ctlr->dev, "receive timeout\n"); in rspi_data_in()
506 data = rspi_read_data(rspi); in rspi_data_in()
510 static int rspi_pio_transfer(struct rspi_data *rspi, const u8 *tx, u8 *rx, in rspi_pio_transfer() argument
515 int ret = rspi_data_out(rspi, *tx++); in rspi_pio_transfer()
520 int ret = rspi_data_in(rspi); in rspi_pio_transfer()
532 struct rspi_data *rspi = arg; in rspi_dma_complete() local
534 rspi->dma_callbacked = 1; in rspi_dma_complete()
535 wake_up_interruptible(&rspi->wait); in rspi_dma_complete()
538 static int rspi_dma_transfer(struct rspi_data *rspi, struct sg_table *tx, in rspi_dma_transfer() argument
549 desc_rx = dmaengine_prep_slave_sg(rspi->ctlr->dma_rx, rx->sgl, in rspi_dma_transfer()
558 desc_rx->callback_param = rspi; in rspi_dma_transfer()
569 desc_tx = dmaengine_prep_slave_sg(rspi->ctlr->dma_tx, tx->sgl, in rspi_dma_transfer()
582 desc_tx->callback_param = rspi; in rspi_dma_transfer()
598 disable_irq(other_irq = rspi->tx_irq); in rspi_dma_transfer()
599 if (rx && rspi->rx_irq != other_irq) in rspi_dma_transfer()
600 disable_irq(rspi->rx_irq); in rspi_dma_transfer()
602 rspi_enable_irq(rspi, irq_mask); in rspi_dma_transfer()
603 rspi->dma_callbacked = 0; in rspi_dma_transfer()
607 dma_async_issue_pending(rspi->ctlr->dma_rx); in rspi_dma_transfer()
609 dma_async_issue_pending(rspi->ctlr->dma_tx); in rspi_dma_transfer()
611 ret = wait_event_interruptible_timeout(rspi->wait, in rspi_dma_transfer()
612 rspi->dma_callbacked, HZ); in rspi_dma_transfer()
613 if (ret > 0 && rspi->dma_callbacked) { in rspi_dma_transfer()
617 dev_err(&rspi->ctlr->dev, "DMA timeout\n"); in rspi_dma_transfer()
621 dmaengine_terminate_sync(rspi->ctlr->dma_tx); in rspi_dma_transfer()
623 dmaengine_terminate_sync(rspi->ctlr->dma_rx); in rspi_dma_transfer()
626 rspi_disable_irq(rspi, irq_mask); in rspi_dma_transfer()
629 enable_irq(rspi->tx_irq); in rspi_dma_transfer()
630 if (rx && rspi->rx_irq != other_irq) in rspi_dma_transfer()
631 enable_irq(rspi->rx_irq); in rspi_dma_transfer()
637 dmaengine_terminate_sync(rspi->ctlr->dma_rx); in rspi_dma_transfer()
640 dev_warn_once(&rspi->ctlr->dev, in rspi_dma_transfer()
646 static void rspi_receive_init(const struct rspi_data *rspi) in rspi_receive_init() argument
650 spsr = rspi_read8(rspi, RSPI_SPSR); in rspi_receive_init()
652 rspi_read_data(rspi); /* dummy read */ in rspi_receive_init()
654 rspi_write8(rspi, rspi_read8(rspi, RSPI_SPSR) & ~SPSR_OVRF, in rspi_receive_init()
658 static void rspi_rz_receive_init(const struct rspi_data *rspi) in rspi_rz_receive_init() argument
660 rspi_receive_init(rspi); in rspi_rz_receive_init()
661 rspi_write8(rspi, SPBFCR_TXRST | SPBFCR_RXRST, RSPI_SPBFCR); in rspi_rz_receive_init()
662 rspi_write8(rspi, 0, RSPI_SPBFCR); in rspi_rz_receive_init()
665 static void qspi_receive_init(const struct rspi_data *rspi) in qspi_receive_init() argument
669 spsr = rspi_read8(rspi, RSPI_SPSR); in qspi_receive_init()
671 rspi_read_data(rspi); /* dummy read */ in qspi_receive_init()
672 rspi_write8(rspi, SPBFCR_TXRST | SPBFCR_RXRST, QSPI_SPBFCR); in qspi_receive_init()
673 rspi_write8(rspi, 0, QSPI_SPBFCR); in qspi_receive_init()
676 static bool __rspi_can_dma(const struct rspi_data *rspi, in __rspi_can_dma() argument
679 return xfer->len > rspi->ops->fifo_size; in __rspi_can_dma()
685 struct rspi_data *rspi = spi_controller_get_devdata(ctlr); in rspi_can_dma() local
687 return __rspi_can_dma(rspi, xfer); in rspi_can_dma()
690 static int rspi_dma_check_then_transfer(struct rspi_data *rspi, in rspi_dma_check_then_transfer() argument
693 if (!rspi->ctlr->can_dma || !__rspi_can_dma(rspi, xfer)) in rspi_dma_check_then_transfer()
697 return rspi_dma_transfer(rspi, &xfer->tx_sg, in rspi_dma_check_then_transfer()
701 static int rspi_common_transfer(struct rspi_data *rspi, in rspi_common_transfer() argument
706 xfer->effective_speed_hz = rspi->speed_hz; in rspi_common_transfer()
708 ret = rspi_dma_check_then_transfer(rspi, xfer); in rspi_common_transfer()
712 ret = rspi_pio_transfer(rspi, xfer->tx_buf, xfer->rx_buf, xfer->len); in rspi_common_transfer()
717 rspi_wait_for_tx_empty(rspi); in rspi_common_transfer()
725 struct rspi_data *rspi = spi_controller_get_devdata(ctlr); in rspi_transfer_one() local
728 spcr = rspi_read8(rspi, RSPI_SPCR); in rspi_transfer_one()
730 rspi_receive_init(rspi); in rspi_transfer_one()
735 rspi_write8(rspi, spcr, RSPI_SPCR); in rspi_transfer_one()
737 return rspi_common_transfer(rspi, xfer); in rspi_transfer_one()
744 struct rspi_data *rspi = spi_controller_get_devdata(ctlr); in rspi_rz_transfer_one() local
746 rspi_rz_receive_init(rspi); in rspi_rz_transfer_one()
748 return rspi_common_transfer(rspi, xfer); in rspi_rz_transfer_one()
751 static int qspi_trigger_transfer_out_in(struct rspi_data *rspi, const u8 *tx, in qspi_trigger_transfer_out_in() argument
758 n = qspi_set_send_trigger(rspi, len); in qspi_trigger_transfer_out_in()
759 qspi_set_receive_trigger(rspi, len); in qspi_trigger_transfer_out_in()
760 ret = rspi_wait_for_tx_empty(rspi); in qspi_trigger_transfer_out_in()
762 dev_err(&rspi->ctlr->dev, "transmit timeout\n"); in qspi_trigger_transfer_out_in()
766 rspi_write_data(rspi, *tx++); in qspi_trigger_transfer_out_in()
768 ret = rspi_wait_for_rx_full(rspi); in qspi_trigger_transfer_out_in()
770 dev_err(&rspi->ctlr->dev, "receive timeout\n"); in qspi_trigger_transfer_out_in()
774 *rx++ = rspi_read_data(rspi); in qspi_trigger_transfer_out_in()
782 static int qspi_transfer_out_in(struct rspi_data *rspi, in qspi_transfer_out_in() argument
787 qspi_receive_init(rspi); in qspi_transfer_out_in()
789 ret = rspi_dma_check_then_transfer(rspi, xfer); in qspi_transfer_out_in()
793 return qspi_trigger_transfer_out_in(rspi, xfer->tx_buf, in qspi_transfer_out_in()
797 static int qspi_transfer_out(struct rspi_data *rspi, struct spi_transfer *xfer) in qspi_transfer_out() argument
804 if (rspi->ctlr->can_dma && __rspi_can_dma(rspi, xfer)) { in qspi_transfer_out()
805 ret = rspi_dma_transfer(rspi, &xfer->tx_sg, NULL); in qspi_transfer_out()
811 len = qspi_set_send_trigger(rspi, n); in qspi_transfer_out()
812 ret = rspi_wait_for_tx_empty(rspi); in qspi_transfer_out()
814 dev_err(&rspi->ctlr->dev, "transmit timeout\n"); in qspi_transfer_out()
818 rspi_write_data(rspi, *tx++); in qspi_transfer_out()
824 rspi_wait_for_tx_empty(rspi); in qspi_transfer_out()
829 static int qspi_transfer_in(struct rspi_data *rspi, struct spi_transfer *xfer) in qspi_transfer_in() argument
836 if (rspi->ctlr->can_dma && __rspi_can_dma(rspi, xfer)) { in qspi_transfer_in()
837 int ret = rspi_dma_transfer(rspi, NULL, &xfer->rx_sg); in qspi_transfer_in()
843 len = qspi_set_receive_trigger(rspi, n); in qspi_transfer_in()
844 ret = rspi_wait_for_rx_full(rspi); in qspi_transfer_in()
846 dev_err(&rspi->ctlr->dev, "receive timeout\n"); in qspi_transfer_in()
850 *rx++ = rspi_read_data(rspi); in qspi_transfer_in()
861 struct rspi_data *rspi = spi_controller_get_devdata(ctlr); in qspi_transfer_one() local
863 xfer->effective_speed_hz = rspi->speed_hz; in qspi_transfer_one()
865 return qspi_transfer_out_in(rspi, xfer); in qspi_transfer_one()
868 return qspi_transfer_out(rspi, xfer); in qspi_transfer_one()
871 return qspi_transfer_in(rspi, xfer); in qspi_transfer_one()
874 return qspi_transfer_out_in(rspi, xfer); in qspi_transfer_one()
902 static int qspi_setup_sequencer(struct rspi_data *rspi, in qspi_setup_sequencer() argument
919 rspi_write32(rspi, len, QSPI_SPBMUL(i - 1)); in qspi_setup_sequencer()
929 rspi_write16(rspi, rspi->spcmd | mode, RSPI_SPCMD(i)); in qspi_setup_sequencer()
936 rspi_write32(rspi, len, QSPI_SPBMUL(i - 1)); in qspi_setup_sequencer()
937 rspi_write8(rspi, i - 1, RSPI_SPSCR); in qspi_setup_sequencer()
945 struct rspi_data *rspi = spi_controller_get_devdata(spi->controller); in rspi_setup() local
951 pm_runtime_get_sync(&rspi->pdev->dev); in rspi_setup()
952 spin_lock_irq(&rspi->lock); in rspi_setup()
954 sslp = rspi_read8(rspi, RSPI_SSLP); in rspi_setup()
959 rspi_write8(rspi, sslp, RSPI_SSLP); in rspi_setup()
961 spin_unlock_irq(&rspi->lock); in rspi_setup()
962 pm_runtime_put(&rspi->pdev->dev); in rspi_setup()
969 struct rspi_data *rspi = spi_controller_get_devdata(ctlr); in rspi_prepare_message() local
984 rspi->speed_hz = spi->max_speed_hz; in rspi_prepare_message()
986 if (xfer->speed_hz < rspi->speed_hz) in rspi_prepare_message()
987 rspi->speed_hz = xfer->speed_hz; in rspi_prepare_message()
990 rspi->spcmd = SPCMD_SSLKP; in rspi_prepare_message()
992 rspi->spcmd |= SPCMD_CPOL; in rspi_prepare_message()
994 rspi->spcmd |= SPCMD_CPHA; in rspi_prepare_message()
996 rspi->spcmd |= SPCMD_LSBF; in rspi_prepare_message()
999 rspi->spcmd |= SPCMD_SSLA(spi->cs_gpiod ? rspi->ctlr->unused_native_cs in rspi_prepare_message()
1003 rspi->sppcr = 0; in rspi_prepare_message()
1005 rspi->sppcr |= SPPCR_SPLP; in rspi_prepare_message()
1007 rspi->ops->set_config_register(rspi, 8); in rspi_prepare_message()
1012 ret = qspi_setup_sequencer(rspi, msg); in rspi_prepare_message()
1018 rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) | SPCR_SPE, RSPI_SPCR); in rspi_prepare_message()
1025 struct rspi_data *rspi = spi_controller_get_devdata(ctlr); in rspi_unprepare_message() local
1028 rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) & ~SPCR_SPE, RSPI_SPCR); in rspi_unprepare_message()
1031 rspi_write16(rspi, rspi->spcmd, RSPI_SPCMD0); in rspi_unprepare_message()
1032 rspi_write8(rspi, 0, RSPI_SPSCR); in rspi_unprepare_message()
1038 struct rspi_data *rspi = _sr; in rspi_irq_mux() local
1043 rspi->spsr = spsr = rspi_read8(rspi, RSPI_SPSR); in rspi_irq_mux()
1051 rspi_disable_irq(rspi, disable_irq); in rspi_irq_mux()
1052 wake_up(&rspi->wait); in rspi_irq_mux()
1060 struct rspi_data *rspi = _sr; in rspi_irq_rx() local
1063 rspi->spsr = spsr = rspi_read8(rspi, RSPI_SPSR); in rspi_irq_rx()
1065 rspi_disable_irq(rspi, SPCR_SPRIE); in rspi_irq_rx()
1066 wake_up(&rspi->wait); in rspi_irq_rx()
1075 struct rspi_data *rspi = _sr; in rspi_irq_tx() local
1078 rspi->spsr = spsr = rspi_read8(rspi, RSPI_SPSR); in rspi_irq_tx()
1080 rspi_disable_irq(rspi, SPCR_SPTIE); in rspi_irq_tx()
1081 wake_up(&rspi->wait); in rspi_irq_tx()
1175 struct rspi_data *rspi = platform_get_drvdata(pdev); in rspi_remove() local
1177 rspi_release_dma(rspi->ctlr); in rspi_remove()
1267 struct rspi_data *rspi; in rspi_probe() local
1291 rspi = spi_controller_get_devdata(ctlr); in rspi_probe()
1292 platform_set_drvdata(pdev, rspi); in rspi_probe()
1293 rspi->ops = ops; in rspi_probe()
1294 rspi->ctlr = ctlr; in rspi_probe()
1297 rspi->addr = devm_ioremap_resource(&pdev->dev, res); in rspi_probe()
1298 if (IS_ERR(rspi->addr)) { in rspi_probe()
1299 ret = PTR_ERR(rspi->addr); in rspi_probe()
1303 rspi->clk = devm_clk_get(&pdev->dev, NULL); in rspi_probe()
1304 if (IS_ERR(rspi->clk)) { in rspi_probe()
1306 ret = PTR_ERR(rspi->clk); in rspi_probe()
1310 rspi->pdev = pdev; in rspi_probe()
1313 init_waitqueue_head(&rspi->wait); in rspi_probe()
1314 spin_lock_init(&rspi->lock); in rspi_probe()
1324 clksrc = clk_get_rate(rspi->clk); in rspi_probe()
1330 ctlr->max_native_cs = rspi->ops->num_hw_ss; in rspi_probe()
1338 rspi->rx_irq = rspi->tx_irq = ret; in rspi_probe()
1340 rspi->rx_irq = ret; in rspi_probe()
1343 rspi->tx_irq = ret; in rspi_probe()
1346 if (rspi->rx_irq == rspi->tx_irq) { in rspi_probe()
1348 ret = rspi_request_irq(&pdev->dev, rspi->rx_irq, rspi_irq_mux, in rspi_probe()
1349 "mux", rspi); in rspi_probe()
1352 ret = rspi_request_irq(&pdev->dev, rspi->rx_irq, rspi_irq_rx, in rspi_probe()
1353 "rx", rspi); in rspi_probe()
1355 ret = rspi_request_irq(&pdev->dev, rspi->tx_irq, in rspi_probe()
1356 rspi_irq_tx, "tx", rspi); in rspi_probe()
1397 struct rspi_data *rspi = dev_get_drvdata(dev); in rspi_suspend() local
1399 return spi_controller_suspend(rspi->ctlr); in rspi_suspend()
1404 struct rspi_data *rspi = dev_get_drvdata(dev); in rspi_resume() local
1406 return spi_controller_resume(rspi->ctlr); in rspi_resume()