This patch adds support to parse probe data for dwc3 driver for exynos using device tree
Signed-off-by: Praveen Paneri <[email protected]> Signed-off-by: Vivek Gautam <[email protected]> --- drivers/usb/dwc3/dwc3-exynos.c | 22 ++++++++++++++++++++++ 1 files changed, 22 insertions(+), 0 deletions(-) diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c index b8f0038..a293c69 100644 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -19,6 +19,7 @@ #include <linux/platform_data/dwc3-exynos.h> #include <linux/dma-mapping.h> #include <linux/clk.h> +#include <linux/of.h> #include "core.h" @@ -29,6 +30,8 @@ struct dwc3_exynos { struct clk *clk; }; +static u64 dwc3_exynos_dma_mask = DMA_BIT_MASK(32); + static int __devinit dwc3_exynos_probe(struct platform_device *pdev) { struct dwc3_exynos_data *pdata = pdev->dev.platform_data; @@ -45,6 +48,16 @@ static int __devinit dwc3_exynos_probe(struct platform_device *pdev) goto err0; } + /* + * Right now device-tree probed devices don't get dma_mask set. + * Since shared usb code relies on it, set it here for now. + * Once we move to full device tree support this will vanish off. + */ + if (!pdev->dev.dma_mask) + pdev->dev.dma_mask = &dwc3_exynos_dma_mask; + if (!pdev->dev.coherent_dma_mask) + pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); + platform_set_drvdata(pdev, exynos); devid = dwc3_get_device_id(); @@ -134,11 +147,20 @@ static int __devexit dwc3_exynos_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id exynos_xhci_match[] = { + { .compatible = "samsung,exynos-xhci" }, + {}, +}; +MODULE_DEVICE_TABLE(of, exynos_xhci_match); +#endif + static struct platform_driver dwc3_exynos_driver = { .probe = dwc3_exynos_probe, .remove = __devexit_p(dwc3_exynos_remove), .driver = { .name = "exynos-dwc3", + .of_match_table = of_match_ptr(exynos_xhci_match), }, }; -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
