Messages in this thread Patch in this message | | | From | Russ Gorby <> | Subject | [PATCH 2/6] serial: ifx6x60: dma_alloc_coherent must use parent dev | Date | Mon, 7 Feb 2011 12:02:28 -0800 |
| |
This driver is a SPI protocol driver and has no DMA ops associated with the device so the call will fail. Furthermore, the DMA allocation made here will be used by the SPI controller driver (parent dev) so it makes sense to pass that device instead.
Signed-off-by: Russ Gorby <russ.gorby@intel.com> --- drivers/tty/serial/ifx6x60.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c index 972c04d..bb2ff20 100644 --- a/drivers/tty/serial/ifx6x60.c +++ b/drivers/tty/serial/ifx6x60.c @@ -998,7 +998,7 @@ static int ifx_spi_spi_probe(struct spi_device *spi) ifx_dev->spi_slave_cts = 0; /*initialize transfer and dma buffers */ - ifx_dev->tx_buffer = dma_alloc_coherent(&ifx_dev->spi_dev->dev, + ifx_dev->tx_buffer = dma_alloc_coherent(ifx_dev->spi_dev->dev.parent, IFX_SPI_TRANSFER_SIZE, &ifx_dev->tx_bus, GFP_KERNEL); @@ -1007,7 +1007,7 @@ static int ifx_spi_spi_probe(struct spi_device *spi) ret = -ENOMEM; goto error_ret; } - ifx_dev->rx_buffer = dma_alloc_coherent(&ifx_dev->spi_dev->dev, + ifx_dev->rx_buffer = dma_alloc_coherent(ifx_dev->spi_dev->dev.parent, IFX_SPI_TRANSFER_SIZE, &ifx_dev->rx_bus, GFP_KERNEL); -- 1.7.3.4
| |