From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kishon Vijay Abraham I Subject: [PATCH v2 1/4] usb: dwc3: set dma_mask for dwc3_omap device Date: Thu, 7 Mar 2013 18:51:43 +0530 Message-ID: <1362662506-14823-2-git-send-email-kishon@ti.com> References: <1362662506-14823-1-git-send-email-kishon@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1362662506-14823-1-git-send-email-kishon-l0cyMroinI0@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: "devicetree-discuss" To: grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org, rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org, rob-VoJi6FS/r0vR7s880joybQ@public.gmane.org, balbi-l0cyMroinI0@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, kishon-l0cyMroinI0@public.gmane.org, s-guiriec-l0cyMroinI0@public.gmane.org, gg-kDsPt+C1G03kYMGBc/C6ZA@public.gmane.org, sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org, ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, ruchika-l0cyMroinI0@public.gmane.org List-Id: devicetree@vger.kernel.org *dma_mask* is not set for devices created from dt data. So filled dma_mask for dwc3_omap device here. And dwc3 core will copy the dma_mask from its parent. Signed-off-by: Kishon Vijay Abraham I --- drivers/usb/dwc3/core.c | 4 ++++ drivers/usb/dwc3/dwc3-omap.c | 3 +++ 2 files changed, 7 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 66c0572..c845e70 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -454,6 +454,10 @@ static int dwc3_probe(struct platform_device *pdev) dwc->regs_size = resource_size(res); dwc->dev = dev; + dev->dma_mask = dev->parent->dma_mask; + dev->dma_parms = dev->parent->dma_parms; + dma_set_coherent_mask(dev, dev->parent->coherent_dma_mask); + if (!strncmp("super", maximum_speed, 5)) dwc->maximum_speed = DWC3_DCFG_SUPERSPEED; else if (!strncmp("high", maximum_speed, 4)) diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 35b9673..546f1fd 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -277,6 +277,8 @@ static void dwc3_omap_disable_irqs(struct dwc3_omap *omap) dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_SET_0, 0x00); } +static u64 dwc3_omap_dma_mask = DMA_BIT_MASK(32); + static int dwc3_omap_probe(struct platform_device *pdev) { struct device_node *node = pdev->dev.of_node; @@ -330,6 +332,7 @@ static int dwc3_omap_probe(struct platform_device *pdev) omap->dev = dev; omap->irq = irq; omap->base = base; + dev->dma_mask = &dwc3_omap_dma_mask; /* * REVISIT if we ever have two instances of the wrapper, we will be -- 1.7.10.4