diff options
| -rw-r--r-- | drivers/mfd/motorola-cpcap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mfd/motorola-cpcap.c b/drivers/mfd/motorola-cpcap.c index 30d82bfe5b02..6fb206da2729 100644 --- a/drivers/mfd/motorola-cpcap.c +++ b/drivers/mfd/motorola-cpcap.c @@ -327,6 +327,10 @@ static int cpcap_probe(struct spi_device *spi) if (ret) return ret; + /* Parent SPI controller uses DMA, CPCAP and child devices do not */ + spi->dev.coherent_dma_mask = 0; + spi->dev.dma_mask = &spi->dev.coherent_dma_mask; + return devm_mfd_add_devices(&spi->dev, 0, cpcap_mfd_devices, ARRAY_SIZE(cpcap_mfd_devices), NULL, 0, NULL); } |