linux-kernel - Re: [PATCH v7 11/14] usb: otg: use dev

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Date:	Fri, 6 May 2016 17:04:25 +0800
From:	Peter Chen <hzpeterchen@...il.com>
To:	Roger Quadros <rogerq@...com>
Cc:	peter.chen@...escale.com, stern@...land.harvard.edu,
	balbi@...nel.org, gregkh@...uxfoundation.org,
	dan.j.williams@...el.com, jun.li@...escale.com,
	mathias.nyman@...ux.intel.com, tony@...mide.com,
	Joao.Pinto@...opsys.com, abrestic@...omium.org,
	yoshihiro.shimoda.uh@...esas.com, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH v7 11/14] usb: otg: use dev_dbg() instead of VDBG()

On Mon, May 02, 2016 at 03:18:54PM +0300, Roger Quadros wrote:
> Now that we have a device reference in struct usb_otg
> let's use dev_dbg() for debug messages.
> 
> Signed-off-by: Roger Quadros <rogerq@...com>
> ---
>  drivers/usb/common/usb-otg-fsm.c | 19 +++++++------------
>  1 file changed, 7 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/usb/common/usb-otg-fsm.c b/drivers/usb/common/usb-otg-fsm.c
> index 2986b66..e6e58c2 100644
> --- a/drivers/usb/common/usb-otg-fsm.c
> +++ b/drivers/usb/common/usb-otg-fsm.c
> @@ -30,13 +30,6 @@
>  #include <linux/usb/otg.h>
>  #include <linux/usb/otg-fsm.h>
>  
> -#ifdef VERBOSE
> -#define VDBG(fmt, args...) pr_debug("[%s]  " fmt , \
> -				 __func__, ## args)
> -#else
> -#define VDBG(stuff...)	do {} while (0)
> -#endif
> -
>  /* Change USB protocol when there is a protocol change */
>  static int otg_set_protocol(struct otg_fsm *fsm, int protocol)
>  {
> @@ -44,8 +37,9 @@ static int otg_set_protocol(struct otg_fsm *fsm, int protocol)
>  	int ret = 0;
>  
>  	if (fsm->protocol != protocol) {
> -		VDBG("Changing role fsm->protocol= %d; new protocol= %d\n",
> -			fsm->protocol, protocol);
> +		dev_vdbg(otg->dev,
> +			 "Changing role fsm->protocol= %d; new protocol= %d\n",
> +			 fsm->protocol, protocol);
>  		/* stop old protocol */
>  		if (fsm->protocol == PROTO_HOST)
>  			ret = otg_start_host(otg, 0);
> @@ -226,7 +220,7 @@ static int otg_set_state(struct otg_fsm *fsm, enum usb_otg_state new_state)
>  
>  	if (otg->state == new_state)
>  		return 0;
> -	VDBG("Set state: %s\n", usb_otg_state_string(new_state));
> +	dev_vdbg(otg->dev, "Set state: %s\n", usb_otg_state_string(new_state));
>  	otg_leave_state(fsm, otg->state);
>  	switch (new_state) {
>  	case OTG_STATE_B_IDLE:
> @@ -358,7 +352,7 @@ int otg_statemachine(struct usb_otg *otg)
>  
>  	switch (state) {
>  	case OTG_STATE_UNDEFINED:
> -		VDBG("fsm->id = %d\n", fsm->id);
> +		dev_vdbg(otg->dev, "fsm->id = %d\n", fsm->id);
>  		if (fsm->id)
>  			otg_set_state(fsm, OTG_STATE_B_IDLE);
>  		else
> @@ -466,7 +460,8 @@ int otg_statemachine(struct usb_otg *otg)
>  	}
>  	mutex_unlock(&fsm->lock);
>  
> -	VDBG("quit statemachine, changed = %d\n", fsm->state_changed);
> +	dev_vdbg(otg->dev, "quit statemachine, changed = %d\n",
> +		 fsm->state_changed);
>  	return fsm->state_changed;
>  }
>  EXPORT_SYMBOL_GPL(otg_statemachine);
> -- 

Could you squash patch 2 with this one?

-- 

Best Regards,
Peter Chen