diff options
Diffstat (limited to 'drivers/dma/sun6i-dma.c')
| -rw-r--r-- | drivers/dma/sun6i-dma.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c index b7557f437936..2215ff877bf7 100644 --- a/drivers/dma/sun6i-dma.c +++ b/drivers/dma/sun6i-dma.c @@ -9,15 +9,17 @@ #include <linux/clk.h> #include <linux/delay.h> +#include <linux/dma-mapping.h> #include <linux/dmaengine.h> #include <linux/dmapool.h> #include <linux/interrupt.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/of_dma.h> -#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/reset.h> #include <linux/slab.h> +#include <linux/string_choices.h> #include <linux/types.h> #include "virt-dma.h" @@ -552,7 +554,7 @@ static irqreturn_t sun6i_dma_interrupt(int irq, void *dev_id) continue; dev_dbg(sdev->slave.dev, "DMA irq status %s: 0x%x\n", - i ? "high" : "low", status); + str_high_low(i), status); writel(status, sdev->base + DMA_IRQ_STAT(i)); @@ -1283,7 +1285,6 @@ static int sun6i_dma_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct sun6i_dma_dev *sdc; - struct resource *res; int ret, i; sdc = devm_kzalloc(&pdev->dev, sizeof(*sdc), GFP_KERNEL); @@ -1294,8 +1295,7 @@ static int sun6i_dma_probe(struct platform_device *pdev) if (!sdc->cfg) return -ENODEV; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - sdc->base = devm_ioremap_resource(&pdev->dev, res); + sdc->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(sdc->base)) return PTR_ERR(sdc->base); @@ -1334,6 +1334,8 @@ static int sun6i_dma_probe(struct platform_device *pdev) INIT_LIST_HEAD(&sdc->pending); spin_lock_init(&sdc->lock); + dma_set_max_seg_size(&pdev->dev, SZ_32M - 1); + dma_cap_set(DMA_PRIVATE, sdc->slave.cap_mask); dma_cap_set(DMA_MEMCPY, sdc->slave.cap_mask); dma_cap_set(DMA_SLAVE, sdc->slave.cap_mask); @@ -1469,7 +1471,7 @@ err_chan_free: return ret; } -static int sun6i_dma_remove(struct platform_device *pdev) +static void sun6i_dma_remove(struct platform_device *pdev) { struct sun6i_dma_dev *sdc = platform_get_drvdata(pdev); @@ -1483,8 +1485,6 @@ static int sun6i_dma_remove(struct platform_device *pdev) reset_control_assert(sdc->rstc); sun6i_dma_free(sdc); - - return 0; } static struct platform_driver sun6i_dma_driver = { |