diff options
Diffstat (limited to 'drivers/spi/spi-armada-3700.c')
| -rw-r--r-- | drivers/spi/spi-armada-3700.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/spi/spi-armada-3700.c b/drivers/spi/spi-armada-3700.c index e89da0af45d2..6c7d7a460689 100644 --- a/drivers/spi/spi-armada-3700.c +++ b/drivers/spi/spi-armada-3700.c @@ -170,12 +170,12 @@ static int a3700_spi_pin_mode_set(struct a3700_spi *a3700_spi, val &= ~(A3700_SPI_DATA_PIN0 | A3700_SPI_DATA_PIN1); switch (pin_mode) { - case 1: + case SPI_NBITS_SINGLE: break; - case 2: + case SPI_NBITS_DUAL: val |= A3700_SPI_DATA_PIN0; break; - case 4: + case SPI_NBITS_QUAD: val |= A3700_SPI_DATA_PIN1; break; default: @@ -340,8 +340,7 @@ static irqreturn_t a3700_spi_interrupt(int irq, void *dev_id) spireg_write(a3700_spi, A3700_SPI_INT_STAT_REG, cause); /* Wake up the transfer */ - if (a3700_spi->wait_mask & cause) - complete(&a3700_spi->done); + complete(&a3700_spi->done); return IRQ_HANDLED; } @@ -421,7 +420,7 @@ static void a3700_spi_fifo_thres_set(struct a3700_spi *a3700_spi, } static void a3700_spi_transfer_setup(struct spi_device *spi, - struct spi_transfer *xfer) + struct spi_transfer *xfer) { struct a3700_spi *a3700_spi; unsigned int byte_len; @@ -562,6 +561,7 @@ static int a3700_spi_fifo_read(struct a3700_spi *a3700_spi) val = spireg_read(a3700_spi, A3700_SPI_DATA_IN_REG); if (a3700_spi->buf_len >= 4) { u32 data = le32_to_cpu(val); + memcpy(a3700_spi->rx_buf, &data, 4); a3700_spi->buf_len -= 4; @@ -800,7 +800,7 @@ static int a3700_spi_probe(struct platform_device *pdev) struct spi_master *master; struct a3700_spi *spi; u32 num_cs = 0; - int ret = 0; + int irq, ret = 0; master = spi_alloc_master(dev, sizeof(*spi)); if (!master) { @@ -825,7 +825,7 @@ static int a3700_spi_probe(struct platform_device *pdev) master->unprepare_message = a3700_spi_unprepare_message; master->set_cs = a3700_spi_set_cs; master->flags = SPI_MASTER_HALF_DUPLEX; - master->mode_bits |= (SPI_RX_DUAL | SPI_RX_DUAL | + master->mode_bits |= (SPI_RX_DUAL | SPI_TX_DUAL | SPI_RX_QUAD | SPI_TX_QUAD); platform_set_drvdata(pdev, master); @@ -846,12 +846,13 @@ static int a3700_spi_probe(struct platform_device *pdev) goto error; } - spi->irq = platform_get_irq(pdev, 0); - if (spi->irq < 0) { - dev_err(dev, "could not get irq: %d\n", spi->irq); + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(dev, "could not get irq: %d\n", irq); ret = -ENXIO; goto error; } + spi->irq = irq; init_completion(&spi->done); @@ -900,7 +901,6 @@ static int a3700_spi_remove(struct platform_device *pdev) struct a3700_spi *spi = spi_master_get_devdata(master); clk_unprepare(spi->clk); - spi_master_put(master); return 0; } @@ -908,7 +908,6 @@ static int a3700_spi_remove(struct platform_device *pdev) static struct platform_driver a3700_spi_driver = { .driver = { .name = DRIVER_NAME, - .owner = THIS_MODULE, .of_match_table = of_match_ptr(a3700_spi_dt_ids), }, .probe = a3700_spi_probe, |