From: Roger Quadros <rogerq@ti.com>
To: <mathias.nyman@linux.intel.com>
Cc: <peter.chen@freescale.com>, <balbi@kernel.org>,
<tony@atomide.com>, <gregkh@linuxfoundation.org>,
<dan.j.williams@intel.com>, <Joao.Pinto@synopsys.com>,
<sergei.shtylyov@cogentembedded.com>, <jun.li@freescale.com>,
<grygorii.strashko@ti.com>, <yoshihiro.shimoda.uh@renesas.com>,
<robh@kernel.org>, <nsekhar@ti.com>, <b-liu@ti.com>,
<joe@perches.com>, <linux-usb@vger.kernel.org>,
<linux-omap@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<devicetree@vger.kernel.org>
Subject: Re: [PATCH v10 14/14] usb: host: xhci-plat: Add otg device to platform data
Date: Tue, 14 Jun 2016 11:18:51 +0300 [thread overview]
Message-ID: <575FBDEB.3050004@ti.com> (raw)
In-Reply-To: <1465564043-27163-15-git-send-email-rogerq@ti.com>
Mathias,
On 10/06/16 16:07, Roger Quadros wrote:
> Host controllers that are part of an OTG/dual-role instance
> need to somehow pass the OTG controller device information
> to the HCD core.
>
> We use platform data to pass the OTG controller device.
>
> Signed-off-by: Roger Quadros <rogerq@ti.com>
> Reviewed-by: Peter Chen <peter.chen@nxp.com>
> ---
> drivers/usb/host/xhci-plat.c | 35 ++++++++++++++++++++++++++++-------
> include/linux/usb/xhci_pdriver.h | 3 +++
> 2 files changed, 31 insertions(+), 7 deletions(-)
Any comments on this one?
>
> diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
> index 676ea45..24d030a 100644
> --- a/drivers/usb/host/xhci-plat.c
> +++ b/drivers/usb/host/xhci-plat.c
> @@ -239,11 +239,20 @@ static int xhci_plat_probe(struct platform_device *pdev)
> goto put_usb3_hcd;
> }
>
> - ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
> + if (pdata && pdata->otg_dev)
> + ret = usb_otg_add_hcd(hcd, irq, IRQF_SHARED, pdata->otg_dev);
> + else
> + ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
> +
> if (ret)
> goto disable_usb_phy;
>
> - ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
> + if (pdata && pdata->otg_dev)
> + ret = usb_otg_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED,
> + pdata->otg_dev);
> + else
> + ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
> +
> if (ret)
> goto dealloc_usb2_hcd;
>
> @@ -251,7 +260,10 @@ static int xhci_plat_probe(struct platform_device *pdev)
>
>
> dealloc_usb2_hcd:
> - usb_remove_hcd(hcd);
> + if (pdata && pdata->otg_dev)
> + usb_otg_remove_hcd(hcd);
> + else
> + usb_remove_hcd(hcd);
>
> disable_usb_phy:
> usb_phy_shutdown(hcd->usb_phy);
> @@ -269,16 +281,25 @@ put_hcd:
> return ret;
> }
>
> -static int xhci_plat_remove(struct platform_device *dev)
> +static int xhci_plat_remove(struct platform_device *pdev)
> {
> - struct usb_hcd *hcd = platform_get_drvdata(dev);
> + struct usb_hcd *hcd = platform_get_drvdata(pdev);
> struct xhci_hcd *xhci = hcd_to_xhci(hcd);
> struct clk *clk = xhci->clk;
> + struct usb_xhci_pdata *pdata = dev_get_platdata(&pdev->dev);
> +
> + if (pdata && pdata->otg_dev)
> + usb_otg_remove_hcd(xhci->shared_hcd);
> + else
> + usb_remove_hcd(xhci->shared_hcd);
>
> - usb_remove_hcd(xhci->shared_hcd);
> usb_phy_shutdown(hcd->usb_phy);
>
> - usb_remove_hcd(hcd);
> + if (pdata && pdata->otg_dev)
> + usb_otg_remove_hcd(hcd);
> + else
> + usb_remove_hcd(hcd);
> +
> usb_put_hcd(xhci->shared_hcd);
>
> if (!IS_ERR(clk))
> diff --git a/include/linux/usb/xhci_pdriver.h b/include/linux/usb/xhci_pdriver.h
> index 376654b..5c68b83 100644
> --- a/include/linux/usb/xhci_pdriver.h
> +++ b/include/linux/usb/xhci_pdriver.h
> @@ -18,10 +18,13 @@
> *
> * @usb3_lpm_capable: determines if this xhci platform supports USB3
> * LPM capability
> + * @otg_dev: OTG controller device. Only requied if part of
> + * OTG/dual-role.
> *
> */
> struct usb_xhci_pdata {
> unsigned usb3_lpm_capable:1;
> + struct device *otg_dev;
> };
>
> #endif /* __USB_CORE_XHCI_PDRIVER_H */
>
--
cheers,
-roger
next prev parent reply other threads:[~2016-06-14 8:19 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-10 13:07 [PATCH v10 00/14] USB OTG/dual-role framework Roger Quadros
2016-06-10 13:07 ` [PATCH v10 01/14] usb: hcd: Initialize hcd->flags to 0 Roger Quadros
2016-06-14 8:16 ` Roger Quadros
2016-06-10 13:07 ` [PATCH v10 02/14] usb: otg-fsm: Prevent build warning "VDBG" redefined Roger Quadros
2016-06-10 13:07 ` [PATCH v10 03/14] usb: hcd.h: Add OTG to HCD interface Roger Quadros
2016-06-14 8:17 ` Roger Quadros
2016-06-14 14:21 ` Alan Stern
2016-06-15 7:14 ` Roger Quadros
2016-06-10 13:07 ` [PATCH v10 04/14] usb: otg-fsm: use usb_otg wherever possible Roger Quadros
2016-06-10 13:07 ` [PATCH v10 05/14] usb: otg-fsm: move host controller operations into usb_otg->hcd_ops Roger Quadros
2016-06-10 13:07 ` [PATCH v10 06/14] usb: gadget.h: Add OTG to gadget interface Roger Quadros
2016-06-12 9:13 ` Peter Chen
2016-06-20 7:21 ` Felipe Balbi
2016-06-20 7:28 ` Roger Quadros
2016-06-20 8:13 ` Felipe Balbi
2016-06-20 8:25 ` Roger Quadros
2016-06-20 9:24 ` Felipe Balbi
2016-06-20 9:43 ` Roger Quadros
2016-06-10 13:07 ` [PATCH v10 07/14] usb: otg: get rid of CONFIG_USB_OTG_FSM in favour of CONFIG_USB_OTG Roger Quadros
2016-06-10 13:07 ` [PATCH v10 08/14] usb: otg: add OTG/dual-role core Roger Quadros
2016-06-12 11:21 ` Peter Chen
2016-06-13 7:42 ` Roger Quadros
2016-06-13 7:56 ` [PATCH v11 " Roger Quadros
2016-06-13 7:58 ` Peter Chen
2016-06-20 7:45 ` Felipe Balbi
2016-06-20 10:13 ` Roger Quadros
2016-06-20 12:03 ` Felipe Balbi
2016-06-20 12:26 ` Roger Quadros
2016-06-20 12:46 ` Felipe Balbi
2016-06-21 6:39 ` Peter Chen
2016-06-21 7:19 ` Felipe Balbi
2016-06-21 8:02 ` Peter Chen
2016-06-21 8:18 ` Felipe Balbi
2016-06-21 9:14 ` Peter Chen
2016-06-21 12:35 ` Felipe Balbi
2016-06-21 13:12 ` Peter Chen
2016-06-21 14:47 ` Felipe Balbi
2016-06-22 3:33 ` Peter Chen
2016-06-22 6:51 ` Felipe Balbi
2016-06-22 7:30 ` Peter Chen
2016-06-22 8:00 ` Felipe Balbi
2016-06-23 7:41 ` Yoshihiro Shimoda
2016-06-21 2:30 ` Yoshihiro Shimoda
2016-06-21 7:21 ` Felipe Balbi
2016-06-20 11:49 ` Peter Chen
2016-06-20 12:08 ` Felipe Balbi
2016-06-21 6:05 ` Peter Chen
2016-06-21 7:26 ` Felipe Balbi
2016-06-21 9:07 ` Peter Chen
2016-06-21 10:02 ` Felipe Balbi
2016-06-21 10:43 ` Tony Lindgren
2016-06-21 10:56 ` Felipe Balbi
2016-06-21 13:05 ` Peter Chen
2016-06-22 6:56 ` Felipe Balbi
2016-06-22 7:33 ` Peter Chen
2016-06-22 8:03 ` Felipe Balbi
2016-06-22 7:49 ` Roger Quadros
2016-06-22 8:14 ` Felipe Balbi
2016-06-22 8:30 ` Roger Quadros
2017-01-19 11:56 ` Vivek Gautam
2017-01-19 12:15 ` Roger Quadros
2017-01-19 15:15 ` vivek.gautam
2017-01-20 8:30 ` Roger Quadros
2017-01-20 11:39 ` Vivek Gautam
2016-06-23 7:42 ` Yoshihiro Shimoda
2016-06-10 13:07 ` [PATCH v10 09/14] usb: of: add an API to get OTG device from USB controller node Roger Quadros
2016-06-13 8:13 ` Jun Li
2016-06-13 8:16 ` Roger Quadros
2016-06-13 8:23 ` [PATCH v11 " Roger Quadros
2016-06-10 13:07 ` [PATCH v10 10/14] usb: otg: add hcd companion support Roger Quadros
2016-06-10 13:07 ` [PATCH v10 11/14] usb: otg: use dev_vdbg() instead of VDBG() Roger Quadros
2016-06-10 13:07 ` [PATCH v10 12/14] usb: hcd: Adapt to OTG core Roger Quadros
2016-06-14 8:17 ` Roger Quadros
2016-06-10 13:07 ` [PATCH v10 13/14] usb: gadget: udc: adapt " Roger Quadros
2016-06-12 11:36 ` Peter Chen
2016-06-13 7:14 ` Roger Quadros
2016-06-13 7:20 ` Peter Chen
2016-06-13 7:37 ` Roger Quadros
2016-06-13 7:40 ` Peter Chen
2016-06-13 7:55 ` [PATCH v11 " Roger Quadros
2016-06-13 7:56 ` Peter Chen
2016-06-13 8:06 ` Roger Quadros
2016-06-10 13:07 ` [PATCH v10 14/14] usb: host: xhci-plat: Add otg device to platform data Roger Quadros
2016-06-14 8:18 ` Roger Quadros [this message]
2016-06-14 2:17 ` [PATCH v10 00/14] USB OTG/dual-role framework Peter Chen
2016-06-14 8:12 ` Roger Quadros
2016-06-16 11:07 ` Roger Quadros
2016-06-17 7:17 ` Felipe Balbi
2016-06-17 7:31 ` Roger Quadros
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