@@ -585,8 +585,8 @@ static int mx51_ecspi_prepare_transfer(struct spi_imx_data *spi_imx,
ctrl |= mx51_ecspi_clkdiv(spi_imx, t->speed_hz, &clk);
spi_imx->spi_bus_clk = clk;
- if (spi_imx->usedma)
- ctrl |= MX51_ECSPI_CTRL_SMC;
+ /* ERR009165: work in XHC mode as PIO */
+ ctrl &= ~MX51_ECSPI_CTRL_SMC;
writel(ctrl, spi_imx->base + MX51_ECSPI_CTRL);
@@ -617,7 +617,7 @@ static void mx51_setup_wml(struct spi_imx_data *spi_imx)
* and enable DMA request.
*/
writel(MX51_ECSPI_DMA_RX_WML(spi_imx->wml - 1) |
- MX51_ECSPI_DMA_TX_WML(spi_imx->wml) |
+ MX51_ECSPI_DMA_TX_WML(0) |
MX51_ECSPI_DMA_RXT_WML(spi_imx->wml) |
MX51_ECSPI_DMA_TEDEN | MX51_ECSPI_DMA_RXDEN |
MX51_ECSPI_DMA_RXTDEN, spi_imx->base + MX51_ECSPI_DMA);
@@ -1171,7 +1171,11 @@ static int spi_imx_dma_configure(struct spi_master *master)
tx.direction = DMA_MEM_TO_DEV;
tx.dst_addr = spi_imx->base_phys + MXC_CSPITXDATA;
tx.dst_addr_width = buswidth;
- tx.dst_maxburst = spi_imx->wml;
+ /*
+ * For ERR009165 with tx_wml = 0 could enlarge burst size to fifo size
+ * to speed up fifo filling as possible.
+ */
+ tx.dst_maxburst = spi_imx->devtype_data->fifo_size;
ret = dmaengine_slave_config(master->dma_tx, &tx);
if (ret) {
dev_err(spi_imx->dev, "TX dma configuration failed with %d\n", ret);
@@ -1265,10 +1269,6 @@ static int spi_imx_sdma_init(struct device *dev, struct spi_imx_data *spi_imx,
{
int ret;
- /* use pio mode for i.mx6dl chip TKT238285 */
- if (of_machine_is_compatible("fsl,imx6dl"))
- return 0;
-
spi_imx->wml = spi_imx->devtype_data->fifo_size / 2;
/* Prepare for TX DMA: */