diff options
| -rw-r--r-- | drivers/spi/spi_bfin5xx.c | 223 |
1 files changed, 112 insertions, 111 deletions
diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c index bdad0bb..d1ff34f 100644 --- a/drivers/spi/spi_bfin5xx.c +++ b/drivers/spi/spi_bfin5xx.c @@ -29,7 +29,7 @@ #define DRV_NAME "bfin-spi" #define DRV_AUTHOR "Bryan Wu, Luke Yang" -#define DRV_DESC "Blackfin BF5xx on-chip SPI Controller Driver" +#define DRV_DESC "Blackfin on-chip SPI Controller Driver" #define DRV_VERSION "1.0" MODULE_AUTHOR(DRV_AUTHOR); @@ -161,7 +161,7 @@ static u16 hz_to_spi_baud(u32 speed_hz) return spi_baud; } -static int flush(struct driver_data *drv_data) +static int bfin_spi_flush(struct driver_data *drv_data) { unsigned long limit = loops_per_jiffy << 1; @@ -175,7 +175,7 @@ static int flush(struct driver_data *drv_data) } /* Chip select operation functions for cs_change flag */ -static void cs_active(struct driver_data *drv_data, struct chip_data *chip) +static void bfin_spi_cs_active(struct driver_data *drv_data, struct chip_data *chip) { u16 flag = read_FLAG(drv_data); @@ -185,7 +185,7 @@ static void cs_active(struct driver_data *drv_data, struct chip_data *chip) write_FLAG(drv_data, flag); } -static void cs_deactive(struct driver_data *drv_data, struct chip_data *chip) +static void bfin_spi_cs_deactive(struct driver_data *drv_data, struct chip_data *chip) { u16 flag = read_FLAG(drv_data); @@ -200,7 +200,7 @@ static void cs_deactive(struct driver_data *drv_data, struct chip_data *chip) } /* stop controller and re-config current chip*/ -static void restore_state(struct driver_data *drv_data) +static void bfin_spi_restore_state(struct driver_data *drv_data) { struct chip_data *chip = drv_data->cur_chip; @@ -214,18 +214,18 @@ static void restore_state(struct driver_data *drv_data) write_BAUD(drv_data, chip->baud); bfin_spi_enable(drv_data); - cs_active(drv_data, chip); + bfin_spi_cs_active(drv_data, chip); } /* used to kick off transfer in rx mode */ -static unsigned short dummy_read(struct driver_data *drv_data) +static unsigned short bfin_spi_dummy_read(struct driver_data *drv_data) { unsigned short tmp; tmp = read_RDBR(drv_data); return tmp; } -static void null_writer(struct driver_data *drv_data) +static void bfin_spi_null_writer(struct driver_data *drv_data) { u8 n_bytes = drv_data->n_bytes; @@ -237,20 +237,20 @@ static void null_writer(struct driver_data *drv_data) } } -static void null_reader(struct driver_data *drv_data) +static void bfin_spi_null_reader(struct driver_data *drv_data) { u8 n_bytes = drv_data->n_bytes; - dummy_read(drv_data); + bfin_spi_dummy_read(drv_data); while (drv_data->rx < drv_data->rx_end) { while (!(read_STAT(drv_data) & BIT_STAT_RXS)) cpu_relax(); - dummy_read(drv_data); + bfin_spi_dummy_read(drv_data); drv_data->rx += n_bytes; } } -static void u8_writer(struct driver_data *drv_data) +static void bfin_spi_u8_writer(struct driver_data *drv_data) { dev_dbg(&drv_data->pdev->dev, "cr8-s is 0x%x\n", read_STAT(drv_data)); @@ -267,12 +267,12 @@ static void u8_writer(struct driver_data *drv_data) cpu_relax(); } -static void u8_cs_chg_writer(struct driver_data *drv_data) +static void bfin_spi_u8_cs_chg_writer(struct driver_data *drv_data) { struct chip_data *chip = drv_data->cur_chip; while (drv_data->tx < drv_data->tx_end) { - cs_active(drv_data, chip); + bfin_spi_cs_active(drv_data, chip); write_TDBR(drv_data, (*(u8 *) (drv_data->tx))); while (read_STAT(drv_data) & BIT_STAT_TXS) @@ -280,13 +280,13 @@ static void u8_cs_chg_writer(struct driver_data *drv_data) while (!(read_STAT(drv_data) & BIT_STAT_SPIF)) cpu_relax(); - cs_deactive(drv_data, chip); + bfin_spi_cs_deactive(drv_data, chip); ++drv_data->tx; } } -static void u8_reader(struct driver_data *drv_data) +static void bfin_spi_u8_reader(struct driver_data *drv_data) { dev_dbg(&drv_data->pdev->dev, "cr-8 is 0x%x\n", read_STAT(drv_data)); @@ -298,7 +298,7 @@ static void u8_reader(struct driver_data *drv_data) /* clear TDBR buffer before read(else it will be shifted out) */ write_TDBR(drv_data, 0xFFFF); - dummy_read(drv_data); + bfin_spi_dummy_read(drv_data); while (drv_data->rx < drv_data->rx_end - 1) { while (!(read_STAT(drv_data) & BIT_STAT_RXS)) @@ -313,12 +313,12 @@ static void u8_reader(struct driver_data *drv_data) ++drv_data->rx; } -static void u8_cs_chg_reader(struct driver_data *drv_data) +static void bfin_spi_u8_cs_chg_reader(struct driver_data *drv_data) { struct chip_data *chip = drv_data->cur_chip; while (drv_data->rx < drv_data->rx_end) { - cs_active(drv_data, chip); + bfin_spi_cs_active(drv_data, chip); read_RDBR(drv_data); /* kick off */ while (!(read_STAT(drv_data) & BIT_STAT_RXS)) @@ -327,13 +327,13 @@ static void u8_cs_chg_reader(struct driver_data *drv_data) cpu_relax(); *(u8 *) (drv_data->rx) = read_SHAW(drv_data); - cs_deactive(drv_data, chip); + bfin_spi_cs_deactive(drv_data, chip); ++drv_data->rx; } } -static void u8_duplex(struct driver_data *drv_data) +static void bfin_spi_u8_duplex(struct driver_data *drv_data) { /* in duplex mode, clk is triggered by writing of TDBR */ while (drv_data->rx < drv_data->rx_end) { @@ -348,12 +348,12 @@ static void u8_duplex(struct driver_data *drv_data) } } -static void u8_cs_chg_duplex(struct driver_data *drv_data) +static void bfin_spi_u8_cs_chg_duplex(struct driver_data *drv_data) { struct chip_data *chip = drv_data->cur_chip; while (drv_data->rx < drv_data->rx_end) { - cs_active(drv_data, chip); + bfin_spi_cs_active(drv_data, chip); write_TDBR(drv_data, (*(u8 *) (drv_data->tx))); @@ -363,14 +363,14 @@ static void u8_cs_chg_duplex(struct driver_data *drv_data) cpu_relax(); *(u8 *) (drv_data->rx) = read_RDBR(drv_data); - cs_deactive(drv_data, chip); + bfin_spi_cs_deactive(drv_data, chip); ++drv_data->rx; ++drv_data->tx; } } -static void u16_writer(struct driver_data *drv_data) +static void bfin_spi_u16_writer(struct driver_data *drv_data) { dev_dbg(&drv_data->pdev->dev, "cr16 is 0x%x\n", read_STAT(drv_data)); @@ -387,12 +387,12 @@ static void u16_writer(struct driver_data *drv_data) cpu_relax(); } -static void u16_cs_chg_writer(struct driver_data *drv_data) +static void bfin_spi_u16_cs_chg_writer(struct driver_data *drv_data) { struct chip_data *chip = drv_data->cur_chip; while (drv_data->tx < drv_data->tx_end) { - cs_active(drv_data, chip); + bfin_spi_cs_active(drv_data, chip); write_TDBR(drv_data, (*(u16 *) (drv_data->tx))); while ((read_STAT(drv_data) & BIT_STAT_TXS)) @@ -400,13 +400,13 @@ static void u16_cs_chg_writer(struct driver_data *drv_data) while (!(read_STAT(drv_data) & BIT_STAT_SPIF)) cpu_relax(); - cs_deactive(drv_data, chip); + bfin_spi_cs_deactive(drv_data, chip); drv_data->tx += 2; } } -static void u16_reader(struct driver_data *drv_data) +static void bfin_spi_u16_reader(struct driver_data *drv_data) { dev_dbg(&drv_data->pdev->dev, "cr-16 is 0x%x\n", read_STAT(drv_data)); @@ -418,7 +418,7 @@ static void u16_reader(struct driver_data *drv_data) /* clear TDBR buffer before read(else it will be shifted out) */ write_TDBR(drv_data, 0xFFFF); - dummy_read(drv_data); + bfin_spi_dummy_read(drv_data); while (drv_data->rx < (drv_data->rx_end - 2)) { while (!(read_STAT(drv_data) & BIT_STAT_RXS)) @@ -433,7 +433,7 @@ static void u16_reader(struct driver_data *drv_data) drv_data->rx += 2; } -static void u16_cs_chg_reader(struct driver_data *drv_data) +static void bfin_spi_u16_cs_chg_reader(struct driver_data *drv_data) { struct chip_data *chip = drv_data->cur_chip; @@ -444,19 +444,19 @@ static void u16_cs_chg_reader(struct driver_data *drv_data) /* clear TDBR buffer before read(else it will be shifted out) */ write_TDBR(drv_data, 0xFFFF); - cs_active(drv_data, chip); - dummy_read(drv_data); + bfin_spi_cs_active(drv_data, chip); + bfin_spi_dummy_read(drv_data); while (drv_data->rx < drv_data->rx_end - 2) { - cs_deactive(drv_data, chip); + bfin_spi_cs_deactive(drv_data, chip); while (!(read_STAT(drv_data) & BIT_STAT_RXS)) cpu_relax(); - cs_active(drv_data, chip); + bfin_spi_cs_active(drv_data, chip); *(u16 *) (drv_data->rx) = read_RDBR(drv_data); drv_data->rx += 2; } - cs_deactive(drv_data, chip); + bfin_spi_cs_deactive(drv_data, chip); while (!(read_STAT(drv_data) & BIT_STAT_RXS)) cpu_relax(); @@ -464,7 +464,7 @@ static void u16_cs_chg_reader(struct driver_data *drv_data) drv_data->rx += 2; } -static void u16_duplex(struct driver_data *drv_data) +static void bfin_spi_u16_duplex(struct driver_data *drv_data) { /* in duplex mode, clk is triggered by writing of TDBR */ while (drv_data->tx < drv_data->tx_end) { @@ -479,12 +479,12 @@ static void u16_duplex(struct driver_data *drv_data) } } -static void u16_cs_chg_duplex(struct driver_data *drv_data) +static void bfin_spi_u16_cs_chg_duplex(struct driver_data *drv_data) { struct chip_data *chip = drv_data->cur_chip; while (drv_data->tx < drv_data->tx_end) { - cs_active(drv_data, chip); + bfin_spi_cs_active(drv_data, chip); write_TDBR(drv_data, (*(u16 *) (drv_data->tx))); while (!(read_STAT(drv_data) & BIT_STAT_SPIF)) @@ -493,7 +493,7 @@ static void u16_cs_chg_duplex(struct driver_data *drv_data) cpu_relax(); *(u16 *) (drv_data->rx) = read_RDBR(drv_data); - cs_deactive(drv_data, chip); + bfin_spi_cs_deactive(drv_data, chip); drv_data->rx += 2; drv_data->tx += 2; @@ -501,7 +501,7 @@ static void u16_cs_chg_duplex(struct driver_data *drv_data) } /* test if ther is more transfer to be done */ -static void *next_transfer(struct driver_data *drv_data) +static void *bfin_spi_next_transfer(struct driver_data *drv_data) { struct spi_message *msg = drv_data->cur_msg; struct spi_transfer *trans = drv_data->cur_transfer; @@ -520,7 +520,7 @@ static void *next_transfer(struct driver_data *drv_data) * caller already set message->status; * dma and pio irqs are blocked give finished message back */ -static void giveback(struct driver_data *drv_data) +static void bfin_spi_giveback(struct driver_data *drv_data) { struct chip_data *chip = drv_data->cur_chip; struct spi_transfer *last_transfer; @@ -541,7 +541,7 @@ static void giveback(struct driver_data *drv_data) msg->state = NULL; if (!drv_data->cs_change) - cs_deactive(drv_data, chip); + bfin_spi_cs_deactive(drv_data, chip); /* Not stop spi in autobuffer mode */ if (drv_data->tx_dma != 0xFFFF) @@ -551,7 +551,7 @@ static void giveback(struct driver_data *drv_data) msg->complete(msg->context); } -static irqreturn_t dma_irq_handler(int irq, void *dev_id) +static irqreturn_t bfin_spi_dma_irq_handler(int irq, void *dev_id) { struct driver_data *drv_data = dev_id; struct chip_data *chip = drv_data->cur_chip; @@ -601,10 +601,10 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id) msg->actual_length += drv_data->len_in_bytes; if (drv_data->cs_change) - cs_deactive(drv_data, chip); + bfin_spi_cs_deactive(drv_data, chip); /* Move to next transfer */ - msg->state = next_transfer(drv_data); + msg->state = bfin_spi_next_transfer(drv_data); } /* Schedule transfer tasklet */ @@ -619,7 +619,7 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id) return IRQ_HANDLED; } -static void pump_transfers(unsigned long data) +static void bfin_spi_pump_transfers(unsigned long data) { struct driver_data *drv_data = (struct driver_data *)data; struct spi_message *message = NULL; @@ -644,7 +644,7 @@ static void pump_transfers(unsigned long data) if (message->state == ERROR_STATE) { dev_dbg(&drv_data->pdev->dev, "transfer: we've hit an error\n"); message->status = -EIO; - giveback(drv_data); + bfin_spi_giveback(drv_data); return; } @@ -652,7 +652,7 @@ static void pump_transfers(unsigned long data) if (message->state == DONE_STATE) { dev_dbg(&drv_data->pdev->dev, "transfer: all done!\n"); message->status = 0; - giveback(drv_data); + bfin_spi_giveback(drv_data); return; } @@ -666,10 +666,10 @@ static void pump_transfers(unsigned long data) } /* Setup the transfer state based on the type of transfer */ - if (flush(drv_data) == 0) { + if (bfin_spi_flush(drv_data) == 0) { dev_err(&drv_data->pdev->dev, "pump_transfers: flush failed\n"); message->status = -EIO; - giveback(drv_data); + bfin_spi_giveback(drv_data); return; } @@ -703,31 +703,31 @@ static void pump_transfers(unsigned long data) drv_data->n_bytes = 1; width = CFG_SPI_WORDSIZE8; drv_data->read = chip->cs_change_per_word ? - u8_cs_chg_reader : u8_reader; + bfin_spi_u8_cs_chg_reader : bfin_spi_u8_reader; drv_data->write = chip->cs_change_per_word ? - u8_cs_chg_writer : u8_writer; + bfin_spi_u8_cs_chg_writer : bfin_spi_u8_writer; drv_data->duplex = chip->cs_change_per_word ? - u8_cs_chg_duplex : u8_duplex; + bfin_spi_u8_cs_chg_duplex : bfin_spi_u8_duplex; break; case 16: drv_data->n_bytes = 2; width = CFG_SPI_WORDSIZE16; drv_data->read = chip->cs_change_per_word ? - u16_cs_chg_reader : u16_reader; + bfin_spi_u16_cs_chg_reader : bfin_spi_u16_reader; drv_data->write = chip->cs_change_per_word ? - u16_cs_chg_writer : u16_writer; + bfin_spi_u16_cs_chg_writer : bfin_spi_u16_writer; drv_data->duplex = chip->cs_change_per_word ? - u16_cs_chg_duplex : u16_duplex; + bfin_spi_u16_cs_chg_duplex : bfin_spi_u16_duplex; break; default: /* No change, the same as default setting */ drv_data->n_bytes = chip->n_bytes; width = chip->width; - drv_data->write = drv_data->tx ? chip->write : null_writer; - drv_data->read = drv_data->rx ? chip->read : null_reader; - drv_data->duplex = chip->duplex ? chip->duplex : null_writer; + drv_data->write = drv_data->tx ? chip->write : bfin_spi_null_writer; + drv_data->read = drv_data->rx ? chip->read : bfin_spi_null_reader; + drv_data->duplex = chip->duplex ? chip->duplex : bfin_spi_null_writer; break; } cr = (read_CTRL(drv_data) & (~BIT_CTL_TIMOD)); @@ -741,7 +741,7 @@ static void pump_transfers(unsigned long data) } dev_dbg(&drv_data->pdev->dev, "transfer: drv_data->write is %p, chip->write is %p, null_wr is %p\n", - drv_data->write, chip->write, null_writer); + drv_data->write, chip->write, bfin_spi_null_writer); /* speed and width has been set on per message */ message->state = RUNNING_STATE; @@ -756,7 +756,7 @@ static void pump_transfers(unsigned long data) write_STAT(drv_data, BIT_STAT_CLR); cr = (read_CTRL(drv_data) & (~BIT_CTL_TIMOD)); if (drv_data->cs_change) - cs_active(drv_data, chip); + bfin_spi_cs_active(drv_data, chip); dev_dbg(&drv_data->pdev->dev, "now pumping a transfer: width is %d, len is %d\n", @@ -811,7 +811,7 @@ static void pump_transfers(unsigned long data) * in this mode */ message->status = 0; - giveback(drv_data); + bfin_spi_giveback(drv_data); return; } @@ -919,9 +919,9 @@ static void pump_transfers(unsigned long data) /* Update total byte transfered */ message->actual_length += drv_data->len_in_bytes; /* Move to next transfer of this msg */ - message->state = next_transfer(drv_data); + message->state = bfin_spi_next_transfer(drv_data); if (drv_data->cs_change) - cs_deactive(drv_data, chip); + bfin_spi_cs_deactive(drv_data, chip); } /* Schedule next transfer tasklet */ tasklet_schedule(&drv_data->pump_transfers); @@ -930,7 +930,7 @@ static void pump_transfers(unsigned long data) } /* pop a msg from queue and kick off real transfer */ -static void pump_messages(struct work_struct *work) +static void bfin_spi_pump_messages(struct work_struct *work) { struct driver_data *drv_data; unsigned long flags; @@ -958,7 +958,7 @@ static void pump_messages(struct work_struct *work) /* Setup the SSP using the per chip configuration */ drv_data->cur_chip = spi_get_ctldata(drv_data->cur_msg->spi); - restore_state(drv_data); + bfin_spi_restore_state(drv_data); list_del_init(&drv_data->cur_msg->queue); @@ -987,7 +987,7 @@ static void pump_messages(struct work_struct *work) * got a msg to transfer, queue it in drv_data->queue. * And kick off message pumper */ -static int transfer(struct spi_device *spi, struct spi_message *msg) +static int bfin_spi_transfer(struct spi_device *spi, struct spi_message *msg) { struct driver_data *drv_data = spi_master_get_devdata(spi->master); unsigned long flags; @@ -1031,7 +1031,7 @@ static u16 ssel[][MAX_SPI_SSEL] = { }; /* first setup for new devices */ -static int setup(struct spi_device *spi) +static int bfin_spi_setup(struct spi_device *spi) { struct bfin5xx_spi_chip *chip_info = NULL; struct chip_data *chip; @@ -1105,7 +1105,7 @@ static int setup(struct spi_device *spi) return -ENODEV; } if (set_dma_callback(drv_data->dma_channel, - dma_irq_handler, drv_data) < 0) { + bfin_spi_dma_irq_handler, drv_data) < 0) { dev_dbg(&spi->dev, "Unable to set dma callback\n"); return -EPERM; } @@ -1126,28 +1126,29 @@ static int setup(struct spi_device *spi) chip->n_bytes = 1; chip->width = CFG_SPI_WORDSIZE8; chip->read = chip->cs_change_per_word ? - u8_cs_chg_reader : u8_reader; + bfin_spi_u8_cs_chg_reader : bfin_spi_u8_reader; chip->write = chip->cs_change_per_word ? - u8_cs_chg_writer : u8_writer; + bfin_spi_u8_cs_chg_writer : bfin_spi_u8_writer; chip->duplex = chip->cs_change_per_word ? - u8_cs_chg_duplex : u8_duplex; + bfin_spi_u8_cs_chg_duplex : bfin_spi_u8_duplex; break; case 16: chip->n_bytes = 2; chip->width = CFG_SPI_WORDSIZE16; chip->read = chip->cs_change_per_word ? - u16_cs_chg_reader : u16_reader; + bfin_spi_u16_cs_chg_reader : bfin_spi_u16_reader; chip->write = chip->cs_change_per_word ? - u16_cs_chg_writer : u16_writer; + bfin_spi_u16_cs_chg_writer : bfin_spi_u16_writer; chip->duplex = chip->cs_change_per_word ? - u16_cs_chg_duplex : u16_duplex; + bfin_spi_u16_cs_chg_duplex : bfin_spi_u16_duplex; break; default: dev_err(&spi->dev, "%d bits_per_word is not supported\n", chip->bits_per_word); - kfree(chip); + if (chip_info) + kfree(chip); return -ENODEV; } @@ -1164,7 +1165,7 @@ static int setup(struct spi_device *spi) peripheral_request(ssel[spi->master->bus_num] [chip->chip_select_num-1], spi->modalias); - cs_deactive(drv_data, chip); + bfin_spi_cs_deactive(drv_data, chip); return 0; } @@ -1173,7 +1174,7 @@ static int setup(struct spi_device *spi) * callback for spi framework. * clean driver specific data */ -static void cleanup(struct spi_device *spi) +static void bfin_spi_cleanup(struct spi_device *spi) { struct chip_data *chip = spi_get_ctldata(spi); @@ -1185,7 +1186,7 @@ static void cleanup(struct spi_device *spi) kfree(chip); } -static inline int init_queue(struct driver_data *drv_data) +static inline int bfin_spi_init_queue(struct driver_data *drv_data) { INIT_LIST_HEAD(&drv_data->queue); spin_lock_init(&drv_data->lock); @@ -1195,10 +1196,10 @@ static inline int init_queue(struct driver_data *drv_data) /* init transfer tasklet */ tasklet_init(&drv_data->pump_transfers, - pump_transfers, (unsigned long)drv_data); + bfin_spi_pump_transfers, (unsigned long)drv_data); /* init messages workqueue */ - INIT_WORK(&drv_data->pump_messages, pump_messages); + INIT_WORK(&drv_data->pump_messages, bfin_spi_pump_messages); drv_data->workqueue = create_singlethread_workqueue( dev_name(drv_data->master->dev.parent)); if (drv_data->workqueue == NULL) @@ -1207,7 +1208,7 @@ static inline int init_queue(struct driver_data *drv_data) return 0; } -static inline int start_queue(struct driver_data *drv_data) +static inline int bfin_spi_start_queue(struct driver_data *drv_data) { unsigned long flags; @@ -1229,7 +1230,7 @@ static inline int start_queue(struct driver_data *drv_data) return 0; } -static inline int stop_queue(struct driver_data *drv_data) +static inline int bfin_spi_stop_queue(struct driver_data *drv_data) { unsigned long flags; unsigned limit = 500; @@ -1258,11 +1259,11 @@ static inline int stop_queue(struct driver_data *drv_data) return status; } -static inline int destroy_queue(struct driver_data *drv_data) +static inline int bfin_spi_destroy_queue(struct driver_data *drv_data) { int status; - status = stop_queue(drv_data); + status = bfin_spi_stop_queue(drv_data); if (status != 0) return status; @@ -1271,7 +1272,7 @@ static inline int destroy_queue(struct driver_data *drv_data) return 0; } -static int __init bfin5xx_spi_probe(struct platform_device *pdev) +static int __init bfin_spi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct bfin5xx_spi_master *platform_info; @@ -1297,9 +1298,9 @@ static int __init bfin5xx_spi_probe(struct platform_device *pdev) master->bus_num = pdev->id; master->num_chipselect = platform_info->num_chipselect; - master->cleanup = cleanup; - master->setup = setup; - master->transfer = transfer; + master->cleanup = bfin_spi_cleanup; + master->setup = bfin_spi_setup; + master->transfer = bfin_spi_transfer; /* Find and map our resources */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -1324,13 +1325,13 @@ static int __init bfin5xx_spi_probe(struct platform_device *pdev) } /* Initial and start queue */ - status = init_queue(drv_data); + status = bfin_spi_init_queue(drv_data); if (status != 0) { dev_err(dev, "problem initializing queue\n"); goto out_error_queue_alloc; } - status = start_queue(drv_data); + status = bfin_spi_start_queue(drv_data); if (status != 0) { dev_err(dev, "problem starting queue\n"); goto out_error_queue_alloc; @@ -1356,7 +1357,7 @@ static int __init bfin5xx_spi_probe(struct platform_device *pdev) return status; out_error_queue_alloc: - destroy_queue(drv_data); + bfin_spi_destroy_queue(drv_data); out_error_no_dma_ch: iounmap((void *) drv_data->regs_base); out_error_ioremap: @@ -1367,7 +1368,7 @@ out_error_get_res: } /* stop hardware and remove the driver */ -static int __devexit bfin5xx_spi_remove(struct platform_device *pdev) +static int __devexit bfin_spi_remove(struct platform_device *pdev) { struct driver_data *drv_data = platform_get_drvdata(pdev); int status = 0; @@ -1376,7 +1377,7 @@ static int __devexit bfin5xx_spi_remove(struct platform_device *pdev) return 0; /* Remove the queue */ - status = destroy_queue(drv_data); + status = bfin_spi_destroy_queue(drv_data); if (status != 0) return status; @@ -1401,12 +1402,12 @@ static int __devexit bfin5xx_spi_remove(struct platform_device *pdev) } #ifdef CONFIG_PM -static int bfin5xx_spi_suspend(struct platform_device *pdev, pm_message_t state) +static int bfin_spi_suspend(struct platform_device *pdev, pm_message_t state) { struct driver_data *drv_data = platform_get_drvdata(pdev); int status = 0; - status = stop_queue(drv_data); + status = bfin_spi_stop_queue(drv_data); if (status != 0) return status; @@ -1416,7 +1417,7 @@ static int bfin5xx_spi_suspend(struct platform_device *pdev, pm_message_t state) return 0; } -static int bfin5xx_spi_resume(struct platform_device *pdev) +static int bfin_spi_resume(struct platform_device *pdev) { struct driver_data *drv_data = platform_get_drvdata(pdev); int status = 0; @@ -1425,7 +1426,7 @@ static int bfin5xx_spi_resume(struct platform_device *pdev) bfin_spi_enable(drv_data); /* Start the queue running */ - status = start_queue(drv_data); + status = bfin_spi_start_queue(drv_data); if (status != 0) { dev_err(&pdev->dev, "problem starting queue (%d)\n", status); return status; @@ -1434,29 +1435,29 @@ static int bfin5xx_spi_resume(struct platform_device *pdev) return 0; } #else -#define bfin5xx_spi_suspend NULL -#define bfin5xx_spi_resume NULL +#define bfin_spi_suspend NULL +#define bfin_spi_resume NULL #endif /* CONFIG_PM */ MODULE_ALIAS("platform:bfin-spi"); -static struct platform_driver bfin5xx_spi_driver = { +static struct platform_driver bfin_spi_driver = { .driver = { .name = DRV_NAME, .owner = THIS_MODULE, }, - .suspend = bfin5xx_spi_suspend, - .resume = bfin5xx_spi_resume, - .remove = __devexit_p(bfin5xx_spi_remove), + .suspend = bfin_spi_suspend, + .resume = bfin_spi_resume, + .remove = __devexit_p(bfin_spi_remove), }; -static int __init bfin5xx_spi_init(void) +static int __init bfin_spi_init(void) { - return platform_driver_probe(&bfin5xx_spi_driver, bfin5xx_spi_probe); + return platform_driver_probe(&bfin_spi_driver, bfin_spi_probe); } -module_init(bfin5xx_spi_init); +module_init(bfin_spi_init); -static void __exit bfin5xx_spi_exit(void) +static void __exit bfin_spi_exit(void) { - platform_driver_unregister(&bfin5xx_spi_driver); + platform_driver_unregister(&bfin_spi_driver); } -module_exit(bfin5xx_spi_exit); +module_exit(bfin_spi_exit); |
