Lines Matching refs:as
330 static bool atmel_spi_is_v2(struct atmel_spi *as) in atmel_spi_is_v2() argument
332 return as->caps.is_spi2; in atmel_spi_is_v2()
355 static void cs_activate(struct atmel_spi *as, struct spi_device *spi) in cs_activate() argument
361 if (atmel_spi_is_v2(as)) { in cs_activate()
362 spi_writel(as, CSR0 + 4 * spi->chip_select, asd->csr); in cs_activate()
366 spi_writel(as, CSR0, asd->csr); in cs_activate()
367 if (as->caps.has_wdrbt) { in cs_activate()
368 spi_writel(as, MR, in cs_activate()
374 spi_writel(as, MR, in cs_activate()
380 mr = spi_readl(as, MR); in cs_activate()
381 if (as->use_cs_gpios) in cs_activate()
390 csr = spi_readl(as, CSR0 + 4 * i); in cs_activate()
392 spi_writel(as, CSR0 + 4 * i, in cs_activate()
396 mr = spi_readl(as, MR); in cs_activate()
398 if (as->use_cs_gpios && spi->chip_select != 0) in cs_activate()
400 spi_writel(as, MR, mr); in cs_activate()
408 static void cs_deactivate(struct atmel_spi *as, struct spi_device *spi) in cs_deactivate() argument
417 mr = spi_readl(as, MR); in cs_deactivate()
420 spi_writel(as, MR, mr); in cs_deactivate()
427 if (!as->use_cs_gpios) in cs_deactivate()
428 spi_writel(as, CR, SPI_BIT(LASTXFER)); in cs_deactivate()
429 else if (atmel_spi_is_v2(as) || spi->chip_select != 0) in cs_deactivate()
433 static void atmel_spi_lock(struct atmel_spi *as) __acquires(&as->lock) in atmel_spi_lock() argument
435 spin_lock_irqsave(&as->lock, as->flags); in atmel_spi_lock()
438 static void atmel_spi_unlock(struct atmel_spi *as) __releases(&as->lock) in atmel_spi_unlock() argument
440 spin_unlock_irqrestore(&as->lock, as->flags); in atmel_spi_unlock()
448 static inline bool atmel_spi_use_dma(struct atmel_spi *as, in atmel_spi_use_dma() argument
451 return as->use_dma && xfer->len >= DMA_MIN_BYTES; in atmel_spi_use_dma()
458 struct atmel_spi *as = spi_master_get_devdata(master); in atmel_spi_can_dma() local
461 return atmel_spi_use_dma(as, xfer) && in atmel_spi_can_dma()
464 return atmel_spi_use_dma(as, xfer); in atmel_spi_can_dma()
468 static int atmel_spi_dma_slave_config(struct atmel_spi *as, in atmel_spi_dma_slave_config() argument
472 struct spi_master *master = platform_get_drvdata(as->pdev); in atmel_spi_dma_slave_config()
483 slave_config->dst_addr = (dma_addr_t)as->phybase + SPI_TDR; in atmel_spi_dma_slave_config()
484 slave_config->src_addr = (dma_addr_t)as->phybase + SPI_RDR; in atmel_spi_dma_slave_config()
505 dev_err(&as->pdev->dev, in atmel_spi_dma_slave_config()
520 dev_err(&as->pdev->dev, in atmel_spi_dma_slave_config()
529 struct atmel_spi *as) in atmel_spi_configure_dma() argument
532 struct device *dev = &as->pdev->dev; in atmel_spi_configure_dma()
565 err = atmel_spi_dma_slave_config(as, &slave_config, 8); in atmel_spi_configure_dma()
569 dev_info(&as->pdev->dev, in atmel_spi_configure_dma()
609 struct atmel_spi *as = spi_master_get_devdata(master); in dma_callback() local
611 if (is_vmalloc_addr(as->current_transfer->rx_buf) && in dma_callback()
613 memcpy(as->current_transfer->rx_buf, as->addr_rx_bbuf, in dma_callback()
614 as->current_transfer->len); in dma_callback()
616 complete(&as->xfer_completion); in dma_callback()
625 struct atmel_spi *as = spi_master_get_devdata(master); in atmel_spi_next_xfer_single() local
626 unsigned long xfer_pos = xfer->len - as->current_remaining_bytes; in atmel_spi_next_xfer_single()
631 spi_readl(as, RDR); in atmel_spi_next_xfer_single()
632 while (spi_readl(as, SR) & SPI_BIT(RDRF)) { in atmel_spi_next_xfer_single()
633 spi_readl(as, RDR); in atmel_spi_next_xfer_single()
638 spi_writel(as, TDR, *(u16 *)(xfer->tx_buf + xfer_pos)); in atmel_spi_next_xfer_single()
640 spi_writel(as, TDR, *(u8 *)(xfer->tx_buf + xfer_pos)); in atmel_spi_next_xfer_single()
648 spi_writel(as, IER, SPI_BIT(RDRF) | SPI_BIT(OVRES)); in atmel_spi_next_xfer_single()
657 struct atmel_spi *as = spi_master_get_devdata(master); in atmel_spi_next_xfer_fifo() local
659 u32 offset = xfer->len - as->current_remaining_bytes; in atmel_spi_next_xfer_fifo()
669 ((u32)as->current_remaining_bytes >> 1) : in atmel_spi_next_xfer_fifo()
670 (u32)as->current_remaining_bytes); in atmel_spi_next_xfer_fifo()
671 num_data = min(current_remaining_data, as->fifo_size); in atmel_spi_next_xfer_fifo()
674 spi_writel(as, CR, SPI_BIT(RXFCLR) | SPI_BIT(TXFCLR)); in atmel_spi_next_xfer_fifo()
675 while (spi_readl(as, FLR)) in atmel_spi_next_xfer_fifo()
679 fifomr = spi_readl(as, FMR); in atmel_spi_next_xfer_fifo()
680 spi_writel(as, FMR, SPI_BFINS(RXFTHRES, num_data, fifomr)); in atmel_spi_next_xfer_fifo()
683 (void)spi_readl(as, SR); in atmel_spi_next_xfer_fifo()
695 spi_writel(as, TDR, (td1 << 16) | td0); in atmel_spi_next_xfer_fifo()
705 spi_writew(as, TDR, td0); in atmel_spi_next_xfer_fifo()
718 spi_writel(as, IER, SPI_BIT(RXFTHF) | SPI_BIT(OVRES)); in atmel_spi_next_xfer_fifo()
727 struct atmel_spi *as = spi_master_get_devdata(master); in atmel_spi_next_xfer_pio() local
729 if (as->fifo_size) in atmel_spi_next_xfer_pio()
742 struct atmel_spi *as = spi_master_get_devdata(master); in atmel_spi_next_xfer_dma_submit() local
757 atmel_spi_unlock(as); in atmel_spi_next_xfer_dma_submit()
761 if (atmel_spi_dma_slave_config(as, &slave_config, in atmel_spi_next_xfer_dma_submit()
769 as->dma_addr_rx_bbuf, in atmel_spi_next_xfer_dma_submit()
787 memcpy(as->addr_tx_bbuf, xfer->tx_buf, xfer->len); in atmel_spi_next_xfer_dma_submit()
789 as->dma_addr_tx_bbuf, in atmel_spi_next_xfer_dma_submit()
810 spi_writel(as, IER, SPI_BIT(OVRES)); in atmel_spi_next_xfer_dma_submit()
827 atmel_spi_lock(as); in atmel_spi_next_xfer_dma_submit()
831 spi_writel(as, IDR, SPI_BIT(OVRES)); in atmel_spi_next_xfer_dma_submit()
834 atmel_spi_lock(as); in atmel_spi_next_xfer_dma_submit()
850 static int atmel_spi_set_xfer_speed(struct atmel_spi *as, in atmel_spi_set_xfer_speed() argument
858 bus_hz = as->spi_clk; in atmel_spi_set_xfer_speed()
859 if (!atmel_spi_is_v2(as)) in atmel_spi_set_xfer_speed()
884 csr = spi_readl(as, CSR0 + 4 * spi->chip_select); in atmel_spi_set_xfer_speed()
886 spi_writel(as, CSR0 + 4 * spi->chip_select, csr); in atmel_spi_set_xfer_speed()
899 struct atmel_spi *as = spi_master_get_devdata(master); in atmel_spi_pdc_next_xfer() local
903 spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS)); in atmel_spi_pdc_next_xfer()
905 len = as->current_remaining_bytes; in atmel_spi_pdc_next_xfer()
907 as->current_remaining_bytes -= len; in atmel_spi_pdc_next_xfer()
909 spi_writel(as, RPR, rx_dma); in atmel_spi_pdc_next_xfer()
910 spi_writel(as, TPR, tx_dma); in atmel_spi_pdc_next_xfer()
914 spi_writel(as, RCR, len); in atmel_spi_pdc_next_xfer()
915 spi_writel(as, TCR, len); in atmel_spi_pdc_next_xfer()
923 if (as->current_remaining_bytes) { in atmel_spi_pdc_next_xfer()
924 len = as->current_remaining_bytes; in atmel_spi_pdc_next_xfer()
926 as->current_remaining_bytes -= len; in atmel_spi_pdc_next_xfer()
928 spi_writel(as, RNPR, rx_dma); in atmel_spi_pdc_next_xfer()
929 spi_writel(as, TNPR, tx_dma); in atmel_spi_pdc_next_xfer()
933 spi_writel(as, RNCR, len); in atmel_spi_pdc_next_xfer()
934 spi_writel(as, TNCR, len); in atmel_spi_pdc_next_xfer()
953 spi_writel(as, IER, SPI_BIT(RXBUFF) | SPI_BIT(OVRES)); in atmel_spi_pdc_next_xfer()
954 spi_writel(as, PTCR, SPI_BIT(TXTEN) | SPI_BIT(RXTEN)); in atmel_spi_pdc_next_xfer()
965 atmel_spi_dma_map_xfer(struct atmel_spi *as, struct spi_transfer *xfer) in atmel_spi_dma_map_xfer() argument
967 struct device *dev = &as->pdev->dev; in atmel_spi_dma_map_xfer()
1007 static void atmel_spi_disable_pdc_transfer(struct atmel_spi *as) in atmel_spi_disable_pdc_transfer() argument
1009 spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS)); in atmel_spi_disable_pdc_transfer()
1013 atmel_spi_pump_single_data(struct atmel_spi *as, struct spi_transfer *xfer) in atmel_spi_pump_single_data() argument
1017 unsigned long xfer_pos = xfer->len - as->current_remaining_bytes; in atmel_spi_pump_single_data()
1021 *rxp16 = spi_readl(as, RDR); in atmel_spi_pump_single_data()
1024 *rxp = spi_readl(as, RDR); in atmel_spi_pump_single_data()
1027 if (as->current_remaining_bytes > 2) in atmel_spi_pump_single_data()
1028 as->current_remaining_bytes -= 2; in atmel_spi_pump_single_data()
1030 as->current_remaining_bytes = 0; in atmel_spi_pump_single_data()
1032 as->current_remaining_bytes--; in atmel_spi_pump_single_data()
1037 atmel_spi_pump_fifo_data(struct atmel_spi *as, struct spi_transfer *xfer) in atmel_spi_pump_fifo_data() argument
1039 u32 fifolr = spi_readl(as, FLR); in atmel_spi_pump_fifo_data()
1041 u32 offset = xfer->len - as->current_remaining_bytes; in atmel_spi_pump_fifo_data()
1051 if (as->current_remaining_bytes > num_bytes) in atmel_spi_pump_fifo_data()
1052 as->current_remaining_bytes -= num_bytes; in atmel_spi_pump_fifo_data()
1054 as->current_remaining_bytes = 0; in atmel_spi_pump_fifo_data()
1058 as->current_remaining_bytes &= ~0x1; in atmel_spi_pump_fifo_data()
1062 rd = spi_readl(as, RDR); in atmel_spi_pump_fifo_data()
1077 atmel_spi_pump_pio_data(struct atmel_spi *as, struct spi_transfer *xfer) in atmel_spi_pump_pio_data() argument
1079 if (as->fifo_size) in atmel_spi_pump_pio_data()
1080 atmel_spi_pump_fifo_data(as, xfer); in atmel_spi_pump_pio_data()
1082 atmel_spi_pump_single_data(as, xfer); in atmel_spi_pump_pio_data()
1094 struct atmel_spi *as = spi_master_get_devdata(master); in atmel_spi_pio_interrupt() local
1099 imr = spi_readl(as, IMR); in atmel_spi_pio_interrupt()
1100 status = spi_readl(as, SR); in atmel_spi_pio_interrupt()
1105 spi_writel(as, IDR, SPI_BIT(OVRES)); in atmel_spi_pio_interrupt()
1117 as->done_status = -EIO; in atmel_spi_pio_interrupt()
1121 spi_readl(as, SR); in atmel_spi_pio_interrupt()
1123 complete(&as->xfer_completion); in atmel_spi_pio_interrupt()
1126 atmel_spi_lock(as); in atmel_spi_pio_interrupt()
1128 if (as->current_remaining_bytes) { in atmel_spi_pio_interrupt()
1130 xfer = as->current_transfer; in atmel_spi_pio_interrupt()
1131 atmel_spi_pump_pio_data(as, xfer); in atmel_spi_pio_interrupt()
1132 if (!as->current_remaining_bytes) in atmel_spi_pio_interrupt()
1133 spi_writel(as, IDR, pending); in atmel_spi_pio_interrupt()
1135 complete(&as->xfer_completion); in atmel_spi_pio_interrupt()
1138 atmel_spi_unlock(as); in atmel_spi_pio_interrupt()
1142 spi_writel(as, IDR, pending); in atmel_spi_pio_interrupt()
1152 struct atmel_spi *as = spi_master_get_devdata(master); in atmel_spi_pdc_interrupt() local
1156 imr = spi_readl(as, IMR); in atmel_spi_pdc_interrupt()
1157 status = spi_readl(as, SR); in atmel_spi_pdc_interrupt()
1164 spi_writel(as, IDR, (SPI_BIT(RXBUFF) | SPI_BIT(ENDRX) in atmel_spi_pdc_interrupt()
1168 spi_readl(as, SR); in atmel_spi_pdc_interrupt()
1170 as->done_status = -EIO; in atmel_spi_pdc_interrupt()
1172 complete(&as->xfer_completion); in atmel_spi_pdc_interrupt()
1177 spi_writel(as, IDR, pending); in atmel_spi_pdc_interrupt()
1179 complete(&as->xfer_completion); in atmel_spi_pdc_interrupt()
1187 struct atmel_spi *as; in atmel_spi_setup() local
1193 as = spi_master_get_devdata(spi->master); in atmel_spi_setup()
1196 if (!atmel_spi_is_v2(as) in atmel_spi_setup()
1208 if (!as->use_cs_gpios) in atmel_spi_setup()
1223 if (!as->use_cs_gpios) in atmel_spi_setup()
1234 if (as->use_cs_gpios) in atmel_spi_setup()
1248 if (!atmel_spi_is_v2(as)) in atmel_spi_setup()
1249 spi_writel(as, CSR0 + 4 * spi->chip_select, csr); in atmel_spi_setup()
1258 struct atmel_spi *as; in atmel_spi_one_transfer() local
1267 as = spi_master_get_devdata(master); in atmel_spi_one_transfer()
1287 && as->use_pdc) { in atmel_spi_one_transfer()
1288 if (atmel_spi_dma_map_xfer(as, xfer) < 0) in atmel_spi_one_transfer()
1292 atmel_spi_set_xfer_speed(as, msg->spi, xfer); in atmel_spi_one_transfer()
1294 as->done_status = 0; in atmel_spi_one_transfer()
1295 as->current_transfer = xfer; in atmel_spi_one_transfer()
1296 as->current_remaining_bytes = xfer->len; in atmel_spi_one_transfer()
1297 while (as->current_remaining_bytes) { in atmel_spi_one_transfer()
1298 reinit_completion(&as->xfer_completion); in atmel_spi_one_transfer()
1300 if (as->use_pdc) { in atmel_spi_one_transfer()
1302 } else if (atmel_spi_use_dma(as, xfer)) { in atmel_spi_one_transfer()
1303 len = as->current_remaining_bytes; in atmel_spi_one_transfer()
1311 as->current_remaining_bytes -= len; in atmel_spi_one_transfer()
1312 if (as->current_remaining_bytes < 0) in atmel_spi_one_transfer()
1313 as->current_remaining_bytes = 0; in atmel_spi_one_transfer()
1320 atmel_spi_unlock(as); in atmel_spi_one_transfer()
1321 dma_timeout = wait_for_completion_timeout(&as->xfer_completion, in atmel_spi_one_transfer()
1323 atmel_spi_lock(as); in atmel_spi_one_transfer()
1326 as->done_status = -EIO; in atmel_spi_one_transfer()
1329 if (as->done_status) in atmel_spi_one_transfer()
1333 if (as->done_status) { in atmel_spi_one_transfer()
1334 if (as->use_pdc) { in atmel_spi_one_transfer()
1337 spi_readl(as, TCR), spi_readl(as, RCR)); in atmel_spi_one_transfer()
1343 spi_writel(as, RNCR, 0); in atmel_spi_one_transfer()
1344 spi_writel(as, TNCR, 0); in atmel_spi_one_transfer()
1345 spi_writel(as, RCR, 0); in atmel_spi_one_transfer()
1346 spi_writel(as, TCR, 0); in atmel_spi_one_transfer()
1348 if (spi_readl(as, SR) & SPI_BIT(TXEMPTY)) in atmel_spi_one_transfer()
1353 while (spi_readl(as, SR) & SPI_BIT(RDRF)) in atmel_spi_one_transfer()
1354 spi_readl(as, RDR); in atmel_spi_one_transfer()
1357 spi_readl(as, SR); in atmel_spi_one_transfer()
1359 } else if (atmel_spi_use_dma(as, xfer)) { in atmel_spi_one_transfer()
1364 && as->use_pdc) in atmel_spi_one_transfer()
1375 && as->use_pdc) in atmel_spi_one_transfer()
1384 as->keep_cs = true; in atmel_spi_one_transfer()
1386 as->cs_active = !as->cs_active; in atmel_spi_one_transfer()
1387 if (as->cs_active) in atmel_spi_one_transfer()
1388 cs_activate(as, msg->spi); in atmel_spi_one_transfer()
1390 cs_deactivate(as, msg->spi); in atmel_spi_one_transfer()
1400 struct atmel_spi *as; in atmel_spi_transfer_one_message() local
1405 as = spi_master_get_devdata(master); in atmel_spi_transfer_one_message()
1410 atmel_spi_lock(as); in atmel_spi_transfer_one_message()
1411 cs_activate(as, spi); in atmel_spi_transfer_one_message()
1413 as->cs_active = true; in atmel_spi_transfer_one_message()
1414 as->keep_cs = false; in atmel_spi_transfer_one_message()
1425 if (as->use_pdc) in atmel_spi_transfer_one_message()
1426 atmel_spi_disable_pdc_transfer(as); in atmel_spi_transfer_one_message()
1437 if (!as->keep_cs) in atmel_spi_transfer_one_message()
1438 cs_deactivate(as, msg->spi); in atmel_spi_transfer_one_message()
1440 atmel_spi_unlock(as); in atmel_spi_transfer_one_message()
1442 msg->status = as->done_status; in atmel_spi_transfer_one_message()
1459 static inline unsigned int atmel_get_version(struct atmel_spi *as) in atmel_get_version() argument
1461 return spi_readl(as, VERSION) & 0x00000fff; in atmel_get_version()
1464 static void atmel_get_caps(struct atmel_spi *as) in atmel_get_caps() argument
1468 version = atmel_get_version(as); in atmel_get_caps()
1470 as->caps.is_spi2 = version > 0x121; in atmel_get_caps()
1471 as->caps.has_wdrbt = version >= 0x210; in atmel_get_caps()
1472 as->caps.has_dma_support = version >= 0x212; in atmel_get_caps()
1473 as->caps.has_pdc_support = version < 0x212; in atmel_get_caps()
1480 struct atmel_spi *as = spi_master_get_devdata(master); in atmel_spi_gpio_cs() local
1486 if (!as->use_cs_gpios) in atmel_spi_gpio_cs()
1511 static void atmel_spi_init(struct atmel_spi *as) in atmel_spi_init() argument
1513 spi_writel(as, CR, SPI_BIT(SWRST)); in atmel_spi_init()
1514 spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */ in atmel_spi_init()
1517 if (as->fifo_size) in atmel_spi_init()
1518 spi_writel(as, CR, SPI_BIT(FIFOEN)); in atmel_spi_init()
1520 if (as->caps.has_wdrbt) { in atmel_spi_init()
1521 spi_writel(as, MR, SPI_BIT(WDRBT) | SPI_BIT(MODFDIS) in atmel_spi_init()
1524 spi_writel(as, MR, SPI_BIT(MSTR) | SPI_BIT(MODFDIS)); in atmel_spi_init()
1527 if (as->use_pdc) in atmel_spi_init()
1528 spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS)); in atmel_spi_init()
1529 spi_writel(as, CR, SPI_BIT(SPIEN)); in atmel_spi_init()
1539 struct atmel_spi *as; in atmel_spi_probe() local
1558 master = spi_alloc_master(&pdev->dev, sizeof(*as)); in atmel_spi_probe()
1577 as = spi_master_get_devdata(master); in atmel_spi_probe()
1579 spin_lock_init(&as->lock); in atmel_spi_probe()
1581 as->pdev = pdev; in atmel_spi_probe()
1582 as->regs = devm_ioremap_resource(&pdev->dev, regs); in atmel_spi_probe()
1583 if (IS_ERR(as->regs)) { in atmel_spi_probe()
1584 ret = PTR_ERR(as->regs); in atmel_spi_probe()
1587 as->phybase = regs->start; in atmel_spi_probe()
1588 as->irq = irq; in atmel_spi_probe()
1589 as->clk = clk; in atmel_spi_probe()
1591 init_completion(&as->xfer_completion); in atmel_spi_probe()
1593 atmel_get_caps(as); in atmel_spi_probe()
1595 as->use_cs_gpios = true; in atmel_spi_probe()
1596 if (atmel_spi_is_v2(as) && in atmel_spi_probe()
1599 as->use_cs_gpios = false; in atmel_spi_probe()
1607 as->use_dma = false; in atmel_spi_probe()
1608 as->use_pdc = false; in atmel_spi_probe()
1609 if (as->caps.has_dma_support) { in atmel_spi_probe()
1610 ret = atmel_spi_configure_dma(master, as); in atmel_spi_probe()
1612 as->use_dma = true; in atmel_spi_probe()
1616 } else if (as->caps.has_pdc_support) { in atmel_spi_probe()
1617 as->use_pdc = true; in atmel_spi_probe()
1621 as->addr_rx_bbuf = dma_alloc_coherent(&pdev->dev, in atmel_spi_probe()
1623 &as->dma_addr_rx_bbuf, in atmel_spi_probe()
1625 if (!as->addr_rx_bbuf) { in atmel_spi_probe()
1626 as->use_dma = false; in atmel_spi_probe()
1628 as->addr_tx_bbuf = dma_alloc_coherent(&pdev->dev, in atmel_spi_probe()
1630 &as->dma_addr_tx_bbuf, in atmel_spi_probe()
1632 if (!as->addr_tx_bbuf) { in atmel_spi_probe()
1633 as->use_dma = false; in atmel_spi_probe()
1635 as->addr_rx_bbuf, in atmel_spi_probe()
1636 as->dma_addr_rx_bbuf); in atmel_spi_probe()
1639 if (!as->use_dma) in atmel_spi_probe()
1644 if (as->caps.has_dma_support && !as->use_dma) in atmel_spi_probe()
1647 if (as->use_pdc) { in atmel_spi_probe()
1662 as->spi_clk = clk_get_rate(clk); in atmel_spi_probe()
1664 as->fifo_size = 0; in atmel_spi_probe()
1666 &as->fifo_size)) { in atmel_spi_probe()
1667 dev_info(&pdev->dev, "Using FIFO (%u data)\n", as->fifo_size); in atmel_spi_probe()
1670 atmel_spi_init(as); in atmel_spi_probe()
1683 atmel_get_version(as), (unsigned long)regs->start, in atmel_spi_probe()
1692 if (as->use_dma) in atmel_spi_probe()
1695 spi_writel(as, CR, SPI_BIT(SWRST)); in atmel_spi_probe()
1696 spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */ in atmel_spi_probe()
1708 struct atmel_spi *as = spi_master_get_devdata(master); in atmel_spi_remove() local
1713 if (as->use_dma) { in atmel_spi_remove()
1718 as->addr_tx_bbuf, in atmel_spi_remove()
1719 as->dma_addr_tx_bbuf); in atmel_spi_remove()
1721 as->addr_rx_bbuf, in atmel_spi_remove()
1722 as->dma_addr_rx_bbuf); in atmel_spi_remove()
1726 spin_lock_irq(&as->lock); in atmel_spi_remove()
1727 spi_writel(as, CR, SPI_BIT(SWRST)); in atmel_spi_remove()
1728 spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */ in atmel_spi_remove()
1729 spi_readl(as, SR); in atmel_spi_remove()
1730 spin_unlock_irq(&as->lock); in atmel_spi_remove()
1732 clk_disable_unprepare(as->clk); in atmel_spi_remove()
1744 struct atmel_spi *as = spi_master_get_devdata(master); in atmel_spi_runtime_suspend() local
1746 clk_disable_unprepare(as->clk); in atmel_spi_runtime_suspend()
1755 struct atmel_spi *as = spi_master_get_devdata(master); in atmel_spi_runtime_resume() local
1759 return clk_prepare_enable(as->clk); in atmel_spi_runtime_resume()
1784 struct atmel_spi *as = spi_master_get_devdata(master); in atmel_spi_resume() local
1787 ret = clk_prepare_enable(as->clk); in atmel_spi_resume()
1791 atmel_spi_init(as); in atmel_spi_resume()
1793 clk_disable_unprepare(as->clk); in atmel_spi_resume()