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Date:	Tue, 20 Jan 2015 13:01:47 -0600
From:	Felipe Balbi <balbi@...com>
To:	Roger Quadros <rogerq@...com>
CC:	<balbi@...com>, <tony@...mide.com>, <myungjoo.ham@...sung.com>,
	<cw00.choi@...sung.com>, <george.cherian@...com>, <nsekhar@...com>,
	<devicetree@...r.kernel.org>, <linux-usb@...r.kernel.org>,
	<linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/5] usb: extcon: Fix USB-Host cable name

On Mon, Jan 19, 2015 at 07:52:19PM +0200, Roger Quadros wrote:
> The recommended name for USB-Host cable state is "USB-Host" and not
> "USB-HOST" as per drivers/extcon/extcon-class.c extcon_cable_name.
> 
> Change all instances of "USB-HOST" to "USB-Host".
> 
> Signed-off-by: Roger Quadros <rogerq@...com>

I checked that these are not documented and there are no DTS using
USB-HOST, so it's fine to change

Reviewed-by: Felipe Balbi <balbi@...com>
Acked-by: Felipe Balbi <balbi@...com>

> ---
>  drivers/extcon/extcon-palmas.c | 18 +++++++++---------
>  drivers/usb/dwc3/dwc3-omap.c   |  6 +++---
>  drivers/usb/phy/phy-omap-otg.c |  4 ++--
>  drivers/usb/phy/phy-tahvo.c    |  8 ++++----
>  4 files changed, 18 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c
> index 11c6757..6d002c3 100644
> --- a/drivers/extcon/extcon-palmas.c
> +++ b/drivers/extcon/extcon-palmas.c
> @@ -31,7 +31,7 @@
>  
>  static const char *palmas_extcon_cable[] = {
>  	[0] = "USB",
> -	[1] = "USB-HOST",
> +	[1] = "USB-Host",
>  	NULL,
>  };
>  
> @@ -93,26 +93,26 @@ static irqreturn_t palmas_id_irq_handler(int irq, void *_palmas_usb)
>  			PALMAS_USB_ID_INT_LATCH_CLR,
>  			PALMAS_USB_ID_INT_EN_HI_CLR_ID_GND);
>  		palmas_usb->linkstat = PALMAS_USB_STATE_ID;
> -		extcon_set_cable_state(palmas_usb->edev, "USB-HOST", true);
> -		dev_info(palmas_usb->dev, "USB-HOST cable is attached\n");
> +		extcon_set_cable_state(palmas_usb->edev, "USB-Host", true);
> +		dev_info(palmas_usb->dev, "USB-Host cable is attached\n");
>  	} else if ((set & PALMAS_USB_ID_INT_SRC_ID_FLOAT) &&
>  				(id_src & PALMAS_USB_ID_INT_SRC_ID_FLOAT)) {
>  		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,
>  			PALMAS_USB_ID_INT_LATCH_CLR,
>  			PALMAS_USB_ID_INT_EN_HI_CLR_ID_FLOAT);
>  		palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;
> -		extcon_set_cable_state(palmas_usb->edev, "USB-HOST", false);
> -		dev_info(palmas_usb->dev, "USB-HOST cable is detached\n");
> +		extcon_set_cable_state(palmas_usb->edev, "USB-Host", false);
> +		dev_info(palmas_usb->dev, "USB-Host cable is detached\n");
>  	} else if ((palmas_usb->linkstat == PALMAS_USB_STATE_ID) &&
>  				(!(set & PALMAS_USB_ID_INT_SRC_ID_GND))) {
>  		palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;
> -		extcon_set_cable_state(palmas_usb->edev, "USB-HOST", false);
> -		dev_info(palmas_usb->dev, "USB-HOST cable is detached\n");
> +		extcon_set_cable_state(palmas_usb->edev, "USB-Host", false);
> +		dev_info(palmas_usb->dev, "USB-Host cable is detached\n");
>  	} else if ((palmas_usb->linkstat == PALMAS_USB_STATE_DISCONNECT) &&
>  				(id_src & PALMAS_USB_ID_INT_SRC_ID_GND)) {
>  		palmas_usb->linkstat = PALMAS_USB_STATE_ID;
> -		extcon_set_cable_state(palmas_usb->edev, "USB-HOST", true);
> -		dev_info(palmas_usb->dev, " USB-HOST cable is attached\n");
> +		extcon_set_cable_state(palmas_usb->edev, "USB-Host", true);
> +		dev_info(palmas_usb->dev, " USB-Host cable is attached\n");
>  	}
>  
>  	return IRQ_HANDLED;
> diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
> index 172d64e..6713ad9 100644
> --- a/drivers/usb/dwc3/dwc3-omap.c
> +++ b/drivers/usb/dwc3/dwc3-omap.c
> @@ -445,14 +445,14 @@ static int dwc3_omap_extcon_register(struct dwc3_omap *omap)
>  
>  		omap->id_nb.notifier_call = dwc3_omap_id_notifier;
>  		ret = extcon_register_interest(&omap->extcon_id_dev,
> -					       edev->name, "USB-HOST",
> +					       edev->name, "USB-Host",
>  					       &omap->id_nb);
>  		if (ret < 0)
> -			dev_vdbg(omap->dev, "failed to register notifier for USB-HOST\n");
> +			dev_vdbg(omap->dev, "failed to register notifier for USB-Host\n");
>  
>  		if (extcon_get_cable_state(edev, "USB") == true)
>  			dwc3_omap_set_mailbox(omap, OMAP_DWC3_VBUS_VALID);
> -		if (extcon_get_cable_state(edev, "USB-HOST") == true)
> +		if (extcon_get_cable_state(edev, "USB-Host") == true)
>  			dwc3_omap_set_mailbox(omap, OMAP_DWC3_ID_GROUND);
>  	}
>  
> diff --git a/drivers/usb/phy/phy-omap-otg.c b/drivers/usb/phy/phy-omap-otg.c
> index 56ee760..53cba3f 100644
> --- a/drivers/usb/phy/phy-omap-otg.c
> +++ b/drivers/usb/phy/phy-omap-otg.c
> @@ -119,7 +119,7 @@ static int omap_otg_probe(struct platform_device *pdev)
>  	otg_dev->vbus_nb.notifier_call = omap_otg_vbus_notifier;
>  
>  	ret = extcon_register_interest(&otg_dev->id_dev, config->extcon,
> -				       "USB-HOST", &otg_dev->id_nb);
> +				       "USB-Host", &otg_dev->id_nb);
>  	if (ret)
>  		return ret;
>  
> @@ -130,7 +130,7 @@ static int omap_otg_probe(struct platform_device *pdev)
>  		return ret;
>  	}
>  
> -	otg_dev->id = extcon_get_cable_state(extcon, "USB-HOST");
> +	otg_dev->id = extcon_get_cable_state(extcon, "USB-Host");
>  	otg_dev->vbus = extcon_get_cable_state(extcon, "USB");
>  	omap_otg_set_mode(otg_dev);
>  
> diff --git a/drivers/usb/phy/phy-tahvo.c b/drivers/usb/phy/phy-tahvo.c
> index 845f658..56d3704 100644
> --- a/drivers/usb/phy/phy-tahvo.c
> +++ b/drivers/usb/phy/phy-tahvo.c
> @@ -61,7 +61,7 @@ struct tahvo_usb {
>  };
>  
>  static const char *tahvo_cable[] = {
> -	"USB-HOST",
> +	"USB-Host",
>  	"USB",
>  	NULL,
>  };
> @@ -129,7 +129,7 @@ static void tahvo_usb_become_host(struct tahvo_usb *tu)
>  {
>  	struct retu_dev *rdev = dev_get_drvdata(tu->pt_dev->dev.parent);
>  
> -	extcon_set_cable_state(&tu->extcon, "USB-HOST", true);
> +	extcon_set_cable_state(&tu->extcon, "USB-Host", true);
>  
>  	/* Power up the transceiver in USB host mode */
>  	retu_write(rdev, TAHVO_REG_USBR, USBR_REGOUT | USBR_NSUSPEND |
> @@ -148,7 +148,7 @@ static void tahvo_usb_become_peripheral(struct tahvo_usb *tu)
>  {
>  	struct retu_dev *rdev = dev_get_drvdata(tu->pt_dev->dev.parent);
>  
> -	extcon_set_cable_state(&tu->extcon, "USB-HOST", false);
> +	extcon_set_cable_state(&tu->extcon, "USB-Host", false);
>  
>  	/* Power up transceiver and set it in USB peripheral mode */
>  	retu_write(rdev, TAHVO_REG_USBR, USBR_SLAVE_CONTROL | USBR_REGOUT |
> @@ -376,7 +376,7 @@ static int tahvo_usb_probe(struct platform_device *pdev)
>  	}
>  
>  	/* Set the initial cable state. */
> -	extcon_set_cable_state(&tu->extcon, "USB-HOST",
> +	extcon_set_cable_state(&tu->extcon, "USB-Host",
>  			       tu->tahvo_mode == TAHVO_MODE_HOST);
>  	extcon_set_cable_state(&tu->extcon, "USB", tu->vbus_state);
>  
> -- 
> 2.1.0
> 

-- 
balbi

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