From: Andy Shevchenko andriy.shevchenko@linux.intel.com
We pass struct dw_dma_chip to the dw_dma_probe() anyway, thus we may use it to pass platform data as well.
Signed-off-by: Andy Shevchenko andriy.shevchenko@linux.intel.com Signed-off-by: Mans Rullgard mans@mansr.com --- drivers/ata/sata_dwc_460ex.c | 2 +- drivers/dma/dw/core.c | 3 ++- drivers/dma/dw/pci.c | 3 ++- drivers/dma/dw/platform.c | 3 ++- include/linux/dma/dw.h | 14 ++++++++------ sound/soc/intel/common/sst-firmware.c | 2 +- 6 files changed, 16 insertions(+), 11 deletions(-)
diff --git a/drivers/ata/sata_dwc_460ex.c b/drivers/ata/sata_dwc_460ex.c index 80bdcabc293f..2cb6f7e04b5c 100644 --- a/drivers/ata/sata_dwc_460ex.c +++ b/drivers/ata/sata_dwc_460ex.c @@ -1248,7 +1248,7 @@ static int sata_dwc_probe(struct platform_device *ofdev) hsdev->dma->dev = &ofdev->dev;
/* Initialize AHB DMAC */ - err = dw_dma_probe(hsdev->dma, NULL); + err = dw_dma_probe(hsdev->dma); if (err) goto error_dma_iomap;
diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index 1644d79a071a..91a6d8b304aa 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -1468,8 +1468,9 @@ EXPORT_SYMBOL(dw_dma_cyclic_free);
/*----------------------------------------------------------------------*/
-int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata) +int dw_dma_probe(struct dw_dma_chip *chip) { + struct dw_dma_platform_data *pdata = chip->pdata; struct dw_dma *dw; bool autocfg = false; unsigned int dw_params; diff --git a/drivers/dma/dw/pci.c b/drivers/dma/dw/pci.c index 4c30fdd092b3..fc3b954b27da 100644 --- a/drivers/dma/dw/pci.c +++ b/drivers/dma/dw/pci.c @@ -49,8 +49,9 @@ static int dw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) chip->dev = &pdev->dev; chip->regs = pcim_iomap_table(pdev)[0]; chip->irq = pdev->irq; + chip->pdata = pdata;
- ret = dw_dma_probe(chip, pdata); + ret = dw_dma_probe(chip); if (ret) return ret;
diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c index fcbe57006e59..808bafdd7d48 100644 --- a/drivers/dma/dw/platform.c +++ b/drivers/dma/dw/platform.c @@ -181,6 +181,7 @@ static int dw_probe(struct platform_device *pdev) pdata = dw_dma_parse_dt(pdev);
chip->dev = dev; + chip->pdata = pdata;
chip->clk = devm_clk_get(chip->dev, "hclk"); if (IS_ERR(chip->clk)) @@ -191,7 +192,7 @@ static int dw_probe(struct platform_device *pdev)
pm_runtime_enable(&pdev->dev);
- err = dw_dma_probe(chip, pdata); + err = dw_dma_probe(chip); if (err) goto err_dw_dma_probe;
diff --git a/include/linux/dma/dw.h b/include/linux/dma/dw.h index 71456442ebe3..c9a3914e8a08 100644 --- a/include/linux/dma/dw.h +++ b/include/linux/dma/dw.h @@ -27,17 +27,19 @@ struct dw_dma; * @regs: memory mapped I/O space * @clk: hclk clock * @dw: struct dw_dma that is filed by dw_dma_probe() + * @pdata: pointer to platform data */ struct dw_dma_chip { - struct device *dev; - int irq; - void __iomem *regs; - struct clk *clk; - struct dw_dma *dw; + struct device *dev; + int irq; + void __iomem *regs; + struct clk *clk; + struct dw_dma *dw; + struct dw_dma_platform_data *pdata; };
/* Export to the platform drivers */ -int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata); +int dw_dma_probe(struct dw_dma_chip *chip); int dw_dma_remove(struct dw_dma_chip *chip);
/* DMA API extensions */ diff --git a/sound/soc/intel/common/sst-firmware.c b/sound/soc/intel/common/sst-firmware.c index ef4881e7753a..25993527370b 100644 --- a/sound/soc/intel/common/sst-firmware.c +++ b/sound/soc/intel/common/sst-firmware.c @@ -203,7 +203,7 @@ static struct dw_dma_chip *dw_probe(struct device *dev, struct resource *mem,
chip->dev = dev;
- err = dw_dma_probe(chip, NULL); + err = dw_dma_probe(chip); if (err) return ERR_PTR(err);