diff options
| -rw-r--r-- | drivers/spi/spi-bcm63xx.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c index fee747030ee6..caa733ec405c 100644 --- a/drivers/spi/spi-bcm63xx.c +++ b/drivers/spi/spi-bcm63xx.c @@ -428,6 +428,13 @@ static irqreturn_t bcm63xx_spi_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } +static size_t bcm63xx_spi_max_length(struct spi_device *dev) +{ + struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master); + + return bs->fifo_size; +} + static const unsigned long bcm6348_spi_reg_offsets[] = { [SPI_CMD] = SPI_6348_CMD, [SPI_INT_STATUS] = SPI_6348_INT_STATUS, @@ -541,6 +548,8 @@ static int bcm63xx_spi_probe(struct platform_device *pdev) master->transfer_one_message = bcm63xx_spi_transfer_one; master->mode_bits = MODEBITS; master->bits_per_word_mask = SPI_BPW_MASK(8); + master->max_transfer_size = bcm63xx_spi_max_length; + master->max_message_size = bcm63xx_spi_max_length; master->auto_runtime_pm = true; bs->msg_type_shift = bs->reg_offsets[SPI_MSG_TYPE_SHIFT]; bs->msg_ctl_width = bs->reg_offsets[SPI_MSG_CTL_WIDTH]; |