spi: img-spfi: Increase DMA burst size

[mirror_ubuntu-bionic-kernel.git] / drivers / spi / spi-img-spfi.c

diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c
index 43781c9fe521a3c6111d46fccb101894f34fe8c2..aad6683db81b9a0154d12d3fc71fd5d45fb8bfc3 100644 (file)
--- a/drivers/spi/spi-img-spfi.c
+++ b/drivers/spi/spi-img-spfi.c
@@ -341,7 +341,7 @@ static int img_spfi_start_dma(struct spi_master *master,
                default:
                        rxconf.src_addr = spfi->phys + SPFI_RX_8BIT_VALID_DATA;
                        rxconf.src_addr_width = 1;
-                       rxconf.src_maxburst = 1;
+                       rxconf.src_maxburst = 4;
                }
                dmaengine_slave_config(spfi->rx_ch, &rxconf);
 
@@ -368,7 +368,7 @@ static int img_spfi_start_dma(struct spi_master *master,
                default:
                        txconf.dst_addr = spfi->phys + SPFI_TX_8BIT_VALID_DATA;
                        txconf.dst_addr_width = 1;
-                       txconf.dst_maxburst = 1;
+                       txconf.dst_maxburst = 4;
                        break;
                }
                dmaengine_slave_config(spfi->tx_ch, &txconf);
@@ -390,14 +390,14 @@ static int img_spfi_start_dma(struct spi_master *master,
                dma_async_issue_pending(spfi->rx_ch);
        }
 
+       spfi_start(spfi);
+
        if (xfer->tx_buf) {
                spfi->tx_dma_busy = true;
                dmaengine_submit(txdesc);
                dma_async_issue_pending(spfi->tx_ch);
        }
 
-       spfi_start(spfi);
-
        return 1;
 
 stop_dma:
@@ -663,7 +663,7 @@ static int img_spfi_remove(struct platform_device *pdev)
        return 0;
 }
 
-#ifdef CONFIG_PM_RUNTIME
+#ifdef CONFIG_PM
 static int img_spfi_runtime_suspend(struct device *dev)
 {
        struct spi_master *master = dev_get_drvdata(dev);
@@ -692,7 +692,7 @@ static int img_spfi_runtime_resume(struct device *dev)
 
        return 0;
 }
-#endif /* CONFIG_PM_RUNTIME */
+#endif /* CONFIG_PM */
 
 #ifdef CONFIG_PM_SLEEP
 static int img_spfi_suspend(struct device *dev)