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Message-ID: <20140724111254.GA26984@shlinux1.ap.freescale.net>
Date: Thu, 24 Jul 2014 19:12:56 +0800
From: Peter Chen <peter.chen@...escale.com>
To: Antoine Ténart
<antoine.tenart@...e-electrons.com>
CC: <balbi@...com>, <gregkh@...uxfoundation.org>, <kishon@...com>,
<stern@...land.harvard.edu>, <sergei.shtylyov@...entembedded.com>,
<yoshihiro.shimoda.uh@...esas.com>,
<alexandre.belloni@...e-electrons.com>,
<thomas.petazzoni@...e-electrons.com>, <zmxu@...vell.com>,
<jszhang@...vell.com>, <linux-usb@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 7/8] usb: rename transceiver and phy to usb_phy in
ChipIdea
On Tue, Jul 15, 2014 at 04:39:15PM +0200, Antoine Ténart wrote:
> This patch prepares the introduction of the generic PHY support in the
> USB ChipIdea common functions. The USB PHY member of the ChipIdea
> structure ('transceiver') is renamed to 'usb_phy', the 'phy' member of
> the ChipIdea pdata structure is renamed to 'usb_phy' and modifications
> are done in all drivers accessing it. Renaming this pointer will allow
> to keep the compatibility for USB PHY drivers.
>
> Signed-off-by: Antoine Ténart <antoine.tenart@...e-electrons.com>
> ---
> drivers/usb/chipidea/ci.h | 4 ++--
> drivers/usb/chipidea/ci_hdrc_imx.c | 2 +-
> drivers/usb/chipidea/ci_hdrc_msm.c | 8 ++++----
> drivers/usb/chipidea/core.c | 20 ++++++++++----------
> drivers/usb/chipidea/debug.c | 2 +-
> drivers/usb/chipidea/host.c | 4 ++--
> drivers/usb/chipidea/otg_fsm.c | 4 ++--
> drivers/usb/chipidea/udc.c | 4 ++--
> include/linux/usb/chipidea.h | 2 +-
> 9 files changed, 25 insertions(+), 25 deletions(-)
>
> diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
> index 9563cb56d564..b2caa1772712 100644
> --- a/drivers/usb/chipidea/ci.h
> +++ b/drivers/usb/chipidea/ci.h
> @@ -161,7 +161,7 @@ struct hw_bank {
> * @test_mode: the selected test mode
> * @platdata: platform specific information supplied by parent device
> * @vbus_active: is VBUS active
> - * @transceiver: pointer to USB PHY, if any
> + * @usb_phy: pointer to USB PHY, if any
> * @hcd: pointer to usb_hcd for ehci host driver
> * @debugfs: root dentry for this controller in debugfs
> * @id_event: indicates there is an id event, and handled at ci_otg_work
> @@ -201,7 +201,7 @@ struct ci_hdrc {
>
> struct ci_hdrc_platform_data *platdata;
> int vbus_active;
> - struct usb_phy *transceiver;
> + struct usb_phy *usb_phy;
> struct usb_hcd *hcd;
> struct dentry *debugfs;
> bool id_event;
> diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
> index 2e58f8dfd311..33b982dddac5 100644
> --- a/drivers/usb/chipidea/ci_hdrc_imx.c
> +++ b/drivers/usb/chipidea/ci_hdrc_imx.c
> @@ -136,7 +136,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
> goto err_clk;
> }
>
> - pdata.phy = data->phy;
> + pdata.usb_phy = data->phy;
>
> if (imx_platform_flag->flags & CI_HDRC_IMX_IMX28_WRITE_FIX)
> pdata.flags |= CI_HDRC_IMX28_WRITE_FIX;
> diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c
> index d72b9d2de2c5..94cd7c3e12a3 100644
> --- a/drivers/usb/chipidea/ci_hdrc_msm.c
> +++ b/drivers/usb/chipidea/ci_hdrc_msm.c
> @@ -31,13 +31,13 @@ static void ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event)
> case CI_HDRC_CONTROLLER_STOPPED_EVENT:
> dev_dbg(dev, "CI_HDRC_CONTROLLER_STOPPED_EVENT received\n");
> /*
> - * Put the transceiver in non-driving mode. Otherwise host
> + * Put the phy in non-driving mode. Otherwise host
> * may not detect soft-disconnection.
> */
> - val = usb_phy_io_read(ci->transceiver, ULPI_FUNC_CTRL);
> + val = usb_phy_io_read(ci->usb_phy, ULPI_FUNC_CTRL);
> val &= ~ULPI_FUNC_CTRL_OPMODE_MASK;
> val |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING;
> - usb_phy_io_write(ci->transceiver, val, ULPI_FUNC_CTRL);
> + usb_phy_io_write(ci->usb_phy, val, ULPI_FUNC_CTRL);
> break;
> default:
> dev_dbg(dev, "unknown ci_hdrc event\n");
> @@ -71,7 +71,7 @@ static int ci_hdrc_msm_probe(struct platform_device *pdev)
> if (IS_ERR(phy))
> return PTR_ERR(phy);
>
> - ci_hdrc_msm_platdata.phy = phy;
> + ci_hdrc_msm_platdata.usb_phy = phy;
>
> plat_ci = ci_hdrc_add_device(&pdev->dev,
> pdev->resource, pdev->num_resources,
> diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
> index 619d13e29995..a8cd35fd8175 100644
> --- a/drivers/usb/chipidea/core.c
> +++ b/drivers/usb/chipidea/core.c
> @@ -306,7 +306,7 @@ static int ci_usb_phy_init(struct ci_hdrc *ci)
> case USBPHY_INTERFACE_MODE_UTMI:
> case USBPHY_INTERFACE_MODE_UTMIW:
> case USBPHY_INTERFACE_MODE_HSIC:
> - ret = usb_phy_init(ci->transceiver);
> + ret = usb_phy_init(ci->usb_phy);
> if (ret)
> return ret;
> hw_phymode_configure(ci);
> @@ -314,12 +314,12 @@ static int ci_usb_phy_init(struct ci_hdrc *ci)
> case USBPHY_INTERFACE_MODE_ULPI:
> case USBPHY_INTERFACE_MODE_SERIAL:
> hw_phymode_configure(ci);
> - ret = usb_phy_init(ci->transceiver);
> + ret = usb_phy_init(ci->usb_phy);
> if (ret)
> return ret;
> break;
> default:
> - ret = usb_phy_init(ci->transceiver);
> + ret = usb_phy_init(ci->usb_phy);
> }
>
> return ret;
> @@ -595,13 +595,13 @@ static int ci_hdrc_probe(struct platform_device *pdev)
> return -ENODEV;
> }
>
> - if (ci->platdata->phy)
> - ci->transceiver = ci->platdata->phy;
> + if (ci->platdata->usb_phy)
> + ci->usb_phy = ci->platdata->usb_phy;
> else
> - ci->transceiver = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
> + ci->usb_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
>
> - if (IS_ERR(ci->transceiver)) {
> - ret = PTR_ERR(ci->transceiver);
> + if (IS_ERR(ci->usb_phy)) {
> + ret = PTR_ERR(ci->usb_phy);
> /*
> * if -ENXIO is returned, it means PHY layer wasn't
> * enabled, so it makes no sense to return -EPROBE_DEFER
> @@ -718,7 +718,7 @@ static int ci_hdrc_probe(struct platform_device *pdev)
> stop:
> ci_role_destroy(ci);
> deinit_phy:
> - usb_phy_shutdown(ci->transceiver);
> + usb_phy_shutdown(ci->usb_phy);
>
> return ret;
> }
> @@ -731,7 +731,7 @@ static int ci_hdrc_remove(struct platform_device *pdev)
> free_irq(ci->irq, ci);
> ci_role_destroy(ci);
> ci_hdrc_enter_lpm(ci, true);
> - usb_phy_shutdown(ci->transceiver);
> + usb_phy_shutdown(ci->usb_phy);
> kfree(ci->hw_bank.regmap);
>
> return 0;
> diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c
> index 9a9702773e43..d47cddd38e4a 100644
> --- a/drivers/usb/chipidea/debug.c
> +++ b/drivers/usb/chipidea/debug.c
> @@ -219,7 +219,7 @@ int ci_otg_show(struct seq_file *s, void *unused)
> fsm = &ci->fsm;
>
> /* ------ State ----- */
> - usb_otg_state_string(ci->transceiver->otg.state));
> + usb_otg_state_string(ci->usb_phy->otg.state));
>
> /* ------ State Machine Variables ----- */
> seq_printf(s, "a_bus_drop: %d\n", fsm->a_bus_drop);
> diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
> index fc7541c906a2..0b67d78dd953 100644
> --- a/drivers/usb/chipidea/host.c
> +++ b/drivers/usb/chipidea/host.c
> @@ -59,7 +59,7 @@ static int host_start(struct ci_hdrc *ci)
> hcd->has_tt = 1;
>
> hcd->power_budget = ci->platdata->power_budget;
> - hcd->usb_phy = ci->transceiver;
> + hcd->usb_phy = ci->usb_phy;
>
> ehci = hcd_to_ehci(hcd);
> ehci->caps = ci->hw_bank.cap;
> @@ -85,7 +85,7 @@ static int host_start(struct ci_hdrc *ci)
> if (ret) {
> goto disable_reg;
> } else {
> - struct usb_otg *otg = ci->transceiver->otg;
> + struct usb_otg *otg = ci->usb_phy->otg;
>
> ci->hcd = hcd;
> if (otg) {
> diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c
> index d8490e758a74..8a64ce87364e 100644
> --- a/drivers/usb/chipidea/otg_fsm.c
> +++ b/drivers/usb/chipidea/otg_fsm.c
> @@ -788,10 +788,10 @@ int ci_hdrc_otg_fsm_init(struct ci_hdrc *ci)
> return -ENOMEM;
> }
>
> - otg->usb_phy = ci->transceiver;
> + otg->usb_phy = ci->usb_phy;
> otg->gadget = &ci->gadget;
> ci->fsm.otg = otg;
> - ci->transceiver->otg = ci->fsm.otg;
> + ci->usb_phy->otg = ci->fsm.otg;
> ci->fsm.power_up = 1;
> ci->fsm.id = hw_read_otgsc(ci, OTGSC_ID) ? 1 : 0;
> ci->fsm.otg->state = OTG_STATE_UNDEFINED;
> diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
> index 9d2b673f90e3..9d3966308942 100644
> --- a/drivers/usb/chipidea/udc.c
> +++ b/drivers/usb/chipidea/udc.c
> @@ -1519,8 +1519,8 @@ static int ci_udc_vbus_draw(struct usb_gadget *_gadget, unsigned ma)
> {
> struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget);
>
> - if (ci->transceiver)
> - return usb_phy_set_power(ci->transceiver, ma);
> + if (ci->usb_phy)
> + return usb_phy_set_power(ci->usb_phy, ma);
> return -ENOTSUPP;
> }
>
> diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h
> index bbe779f640be..57d757a1aa83 100644
> --- a/include/linux/usb/chipidea.h
> +++ b/include/linux/usb/chipidea.h
> @@ -13,7 +13,7 @@ struct ci_hdrc_platform_data {
> /* offset of the capability registers */
> uintptr_t capoffset;
> unsigned power_budget;
> - struct usb_phy *phy;
> + struct usb_phy *usb_phy;
> enum usb_phy_interface phy_mode;
> unsigned long flags;
> #define CI_HDRC_REGS_SHARED BIT(0)
> --
> 1.9.1
>
This patch looks ok.
--
Best Regards,
Peter Chen
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