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-rw-r--r--drivers/spi/spi-pxa2xx-dma.c4
-rw-r--r--drivers/spi/spi-pxa2xx-pci.c4
-rw-r--r--drivers/spi/spi-pxa2xx.c1
3 files changed, 8 insertions, 1 deletions
diff --git a/drivers/spi/spi-pxa2xx-dma.c b/drivers/spi/spi-pxa2xx-dma.c
index 15592598273e..e5c26c1779ab 100644
--- a/drivers/spi/spi-pxa2xx-dma.c
+++ b/drivers/spi/spi-pxa2xx-dma.c
@@ -239,13 +239,15 @@ int pxa2xx_spi_set_dma_burst_and_threshold(struct chip_data *chip,
u32 *threshold)
{
struct pxa2xx_spi_chip *chip_info = spi->controller_data;
+ struct driver_data *drv_data = spi_controller_get_devdata(spi->controller);
+ u32 dma_burst_size = drv_data->controller_info->dma_burst_size;
/*
* If the DMA burst size is given in chip_info we use that,
* otherwise we use the default. Also we use the default FIFO
* thresholds for now.
*/
- *burst_code = chip_info ? chip_info->dma_burst_size : 1;
+ *burst_code = chip_info ? chip_info->dma_burst_size : dma_burst_size;
*threshold = SSCR1_RxTresh(RX_THRESH_DFLT)
| SSCR1_TxTresh(TX_THRESH_DFLT);
diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index 4b162fdca35f..d456c5251b5d 100644
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -34,6 +34,8 @@ struct pxa_spi_info {
void *tx_param;
void *rx_param;
+ int dma_burst_size;
+
int (*setup)(struct pci_dev *pdev, struct pxa_spi_info *c);
};
@@ -132,6 +134,7 @@ static int mrfld_spi_setup(struct pci_dev *dev, struct pxa_spi_info *c)
rx->dma_dev = &dma_dev->dev;
c->dma_filter = lpss_dma_filter;
+ c->dma_burst_size = 8;
return 0;
}
@@ -222,6 +225,7 @@ static int pxa2xx_spi_pci_probe(struct pci_dev *dev,
spi_pdata.tx_param = c->tx_param;
spi_pdata.rx_param = c->rx_param;
spi_pdata.enable_dma = c->rx_param && c->tx_param;
+ spi_pdata.dma_burst_size = c->dma_burst_size ? c->dma_burst_size : 1;
ssp = &spi_pdata.ssp;
ssp->phys_base = pci_resource_start(dev, 0);
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index b6ddba833d02..461c6b796b8f 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1564,6 +1564,7 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev)
pdata->is_slave = of_property_read_bool(pdev->dev.of_node, "spi-slave");
pdata->num_chipselect = 1;
pdata->enable_dma = true;
+ pdata->dma_burst_size = 1;
return pdata;
}