diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/amba-pl08x.c | 5 | ||||
| -rw-r--r-- | drivers/dma/bestcomm/sram.c | 1 | ||||
| -rw-r--r-- | drivers/dma/dw/platform.c | 8 | ||||
| -rw-r--r-- | drivers/dma/edma.c | 10 | ||||
| -rw-r--r-- | drivers/dma/fsldma.c | 2 | ||||
| -rw-r--r-- | drivers/dma/imx-sdma.c | 4 | ||||
| -rw-r--r-- | drivers/dma/mmp_tdma.c | 7 | ||||
| -rw-r--r-- | drivers/dma/mpc512x_dma.c | 2 | ||||
| -rw-r--r-- | drivers/dma/pl330.c | 4 | ||||
| -rw-r--r-- | drivers/dma/ppc4xx/adma.c | 2 |
10 files changed, 30 insertions, 15 deletions
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index fce46c5bf1c..e51a9832ef0 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -2055,6 +2055,11 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id) if (ret) return ret; + /* Ensure that we can do DMA */ + ret = dma_set_mask_and_coherent(&adev->dev, DMA_BIT_MASK(32)); + if (ret) + goto out_no_pl08x; + /* Create the driver state holder */ pl08x = kzalloc(sizeof(*pl08x), GFP_KERNEL); if (!pl08x) { diff --git a/drivers/dma/bestcomm/sram.c b/drivers/dma/bestcomm/sram.c index 5e2ed30ba2c..2074e0e3fa2 100644 --- a/drivers/dma/bestcomm/sram.c +++ b/drivers/dma/bestcomm/sram.c @@ -19,6 +19,7 @@ #include <linux/string.h> #include <linux/ioport.h> #include <linux/of.h> +#include <linux/of_address.h> #include <asm/io.h> #include <asm/mmu.h> diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c index e35d9759031..453822cc4f9 100644 --- a/drivers/dma/dw/platform.c +++ b/drivers/dma/dw/platform.c @@ -191,11 +191,9 @@ static int dw_probe(struct platform_device *pdev) if (IS_ERR(chip->regs)) return PTR_ERR(chip->regs); - /* Apply default dma_mask if needed */ - if (!dev->dma_mask) { - dev->dma_mask = &dev->coherent_dma_mask; - dev->coherent_dma_mask = DMA_BIT_MASK(32); - } + err = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (err) + return err; pdata = dev_get_platdata(dev); if (!pdata) diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index 10b577fcf48..bef8a368c8d 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -634,6 +634,10 @@ static int edma_probe(struct platform_device *pdev) struct edma_cc *ecc; int ret; + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (ret) + return ret; + ecc = devm_kzalloc(&pdev->dev, sizeof(*ecc), GFP_KERNEL); if (!ecc) { dev_err(&pdev->dev, "Can't allocate controller\n"); @@ -705,11 +709,13 @@ static struct platform_device *pdev0, *pdev1; static const struct platform_device_info edma_dev_info0 = { .name = "edma-dma-engine", .id = 0, + .dma_mask = DMA_BIT_MASK(32), }; static const struct platform_device_info edma_dev_info1 = { .name = "edma-dma-engine", .id = 1, + .dma_mask = DMA_BIT_MASK(32), }; static int edma_init(void) @@ -723,8 +729,6 @@ static int edma_init(void) ret = PTR_ERR(pdev0); goto out; } - pdev0->dev.dma_mask = &pdev0->dev.coherent_dma_mask; - pdev0->dev.coherent_dma_mask = DMA_BIT_MASK(32); } if (EDMA_CTLRS == 2) { @@ -734,8 +738,6 @@ static int edma_init(void) platform_device_unregister(pdev0); ret = PTR_ERR(pdev1); } - pdev1->dev.dma_mask = &pdev1->dev.coherent_dma_mask; - pdev1->dev.coherent_dma_mask = DMA_BIT_MASK(32); } out: diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index b3f3e90054f..61517dd0d0b 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -33,6 +33,8 @@ #include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/dmapool.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> #include <linux/of_platform.h> #include "dmaengine.h" diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index fc43603cf0b..c1fd504cae2 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1432,6 +1432,10 @@ static int __init sdma_probe(struct platform_device *pdev) return -EINVAL; } + ret = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (ret) + return ret; + sdma = kzalloc(sizeof(*sdma), GFP_KERNEL); if (!sdma) return -ENOMEM; diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c index 38cb517fb2e..d3b6358e5a2 100644 --- a/drivers/dma/mmp_tdma.c +++ b/drivers/dma/mmp_tdma.c @@ -350,12 +350,7 @@ struct mmp_tdma_desc *mmp_tdma_alloc_descriptor(struct mmp_tdma_chan *tdmac) if (!gpool) return NULL; - tdmac->desc_arr = (void *)gen_pool_alloc(gpool, size); - if (!tdmac->desc_arr) - return NULL; - - tdmac->desc_arr_phys = gen_pool_virt_to_phys(gpool, - (unsigned long)tdmac->desc_arr); + tdmac->desc_arr = gen_pool_dma_alloc(gpool, size, &tdmac->desc_arr_phys); return tdmac->desc_arr; } diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c index 2fe43537733..448750da440 100644 --- a/drivers/dma/mpc512x_dma.c +++ b/drivers/dma/mpc512x_dma.c @@ -39,7 +39,9 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/slab.h> +#include <linux/of_address.h> #include <linux/of_device.h> +#include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/random.h> diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index a562d24d20b..df8b10fd172 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2903,6 +2903,10 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) pdat = dev_get_platdata(&adev->dev); + ret = dma_set_mask_and_coherent(&adev->dev, DMA_BIT_MASK(32)); + if (ret) + return ret; + /* Allocate a new DMAC and its Channels */ pdmac = devm_kzalloc(&adev->dev, sizeof(*pdmac), GFP_KERNEL); if (!pdmac) { diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c index 370ff826563..e24b5ef486b 100644 --- a/drivers/dma/ppc4xx/adma.c +++ b/drivers/dma/ppc4xx/adma.c @@ -42,6 +42,8 @@ #include <linux/uaccess.h> #include <linux/proc_fs.h> #include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> #include <linux/of_platform.h> #include <asm/dcr.h> #include <asm/dcr-regs.h> |