Re: [PATCH v7 02/14] usb: otg-fsm: Prevent build warning "VDBG" redefined

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On Mon, May 02, 2016 at 03:18:45PM +0300, Roger Quadros wrote:
> If usb/otg-fsm.h and usb/composite.h are included together
> then it results in the build warning [1].
> 
> Prevent that by defining VDBG locally.
> 
> Also get rid of MPC_LOC which doesn't seem to be used
> by anyone.
> 
> [1] - warning fixed by this patch:
> 
> In file included from drivers/usb/dwc3/core.h:33,
>    from drivers/usb/dwc3/ep0.c:33:
>    include/linux/usb/otg-fsm.h:30:1: warning: "VDBG" redefined
>    In file included from drivers/usb/dwc3/ep0.c:31:
>    include/linux/usb/composite.h:615:1: warning: this is the location
>    of the previous definition
> 
> Signed-off-by: Roger Quadros <rogerq@xxxxxx>

Acked-by: Peter Chen <peter.chen@xxxxxxx>
> ---
>  drivers/usb/common/usb-otg-fsm.c |  7 +++++++
>  drivers/usb/phy/phy-fsl-usb.c    |  7 +++++++
>  include/linux/usb/otg-fsm.h      | 15 ---------------
>  3 files changed, 14 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/usb/common/usb-otg-fsm.c b/drivers/usb/common/usb-otg-fsm.c
> index 9059b7d..015cf41 100644
> --- a/drivers/usb/common/usb-otg-fsm.c
> +++ b/drivers/usb/common/usb-otg-fsm.c
> @@ -30,6 +30,13 @@
>  #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)
>  {
> diff --git a/drivers/usb/phy/phy-fsl-usb.c b/drivers/usb/phy/phy-fsl-usb.c
> index 94eb292..dd8a1ad 100644
> --- a/drivers/usb/phy/phy-fsl-usb.c
> +++ b/drivers/usb/phy/phy-fsl-usb.c
> @@ -44,6 +44,13 @@
>  
>  #include "phy-fsl-usb.h"
>  
> +#ifdef VERBOSE
> +#define VDBG(fmt, args...) pr_debug("[%s]  " fmt , \
> +				 __func__, ## args)
> +#else
> +#define VDBG(stuff...)	do {} while (0)
> +#endif
> +
>  #define DRIVER_VERSION "Rev. 1.55"
>  #define DRIVER_AUTHOR "Jerry Huang/Li Yang"
>  #define DRIVER_DESC "Freescale USB OTG Transceiver Driver"
> diff --git a/include/linux/usb/otg-fsm.h b/include/linux/usb/otg-fsm.h
> index 7a03505..a0a8f87 100644
> --- a/include/linux/usb/otg-fsm.h
> +++ b/include/linux/usb/otg-fsm.h
> @@ -21,21 +21,6 @@
>  #include <linux/mutex.h>
>  #include <linux/errno.h>
>  
> -#undef VERBOSE
> -
> -#ifdef VERBOSE
> -#define VDBG(fmt, args...) pr_debug("[%s]  " fmt , \
> -				 __func__, ## args)
> -#else
> -#define VDBG(stuff...)	do {} while (0)
> -#endif
> -
> -#ifdef VERBOSE
> -#define MPC_LOC printk("Current Location [%s]:[%d]\n", __FILE__, __LINE__)
> -#else
> -#define MPC_LOC do {} while (0)
> -#endif
> -
>  #define PROTO_UNDEF	(0)
>  #define PROTO_HOST	(1)
>  #define PROTO_GADGET	(2)
> -- 
> 2.7.4
> 
> --
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-- 

Best Regards,
Peter Chen
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