Message ID | 1350136052-25583-2-git-send-email-gautam.vivek@samsung.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Hi, On Saturday 13 October 2012 07:17 PM, Vivek Gautam wrote: > This patch adds support to parse probe data for > dwc3 driver for exynos using device tree > > Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com> > --- > 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 ca65978..78e6219 100644 > --- a/drivers/usb/dwc3/dwc3-exynos.c > +++ b/drivers/usb/dwc3/dwc3-exynos.c > @@ -21,6 +21,7 @@ > #include <linux/clk.h> > #include <linux/usb/otg.h> > #include <linux/usb/nop-usb-xceiv.h> > +#include <linux/of.h> > > #include "core.h" > > @@ -87,6 +88,8 @@ err1: > return ret; > } > > +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; > @@ -103,6 +106,16 @@ 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); of/platform.c shows coherent_dma_mask is set for dt. Thanks Kishon -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c index ca65978..78e6219 100644 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -21,6 +21,7 @@ #include <linux/clk.h> #include <linux/usb/otg.h> #include <linux/usb/nop-usb-xceiv.h> +#include <linux/of.h> #include "core.h" @@ -87,6 +88,8 @@ err1: return ret; } +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; @@ -103,6 +106,16 @@ 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(); @@ -200,11 +213,20 @@ static int __devexit dwc3_exynos_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id exynos_dwc3_match[] = { + { .compatible = "samsung,exynos-dwc3" }, + {}, +}; +MODULE_DEVICE_TABLE(of, exynos_dwc3_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_dwc3_match), }, };
This patch adds support to parse probe data for dwc3 driver for exynos using device tree Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com> --- drivers/usb/dwc3/dwc3-exynos.c | 22 ++++++++++++++++++++++ 1 files changed, 22 insertions(+), 0 deletions(-)