linux-kernel - Re: [PATCH 3/6] drivers:misc: sources for ST core

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Date:	Mon, 22 Mar 2010 14:34:58 -0700
From:	Greg KH <gregkh@...e.de>
To:	pavan_savoy@...com
Cc:	alan@...rguk.ukuu.org.uk, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/6] drivers:misc: sources for ST core

On Mon, Mar 22, 2010 at 04:19:13PM -0500, pavan_savoy@...com wrote:
> From: Pavan Savoy <pavan_savoy@...com>
> 
> Texas Instruments BT, FM and GPS combo chips/drivers
> make use of a single TTY to communicate with the chip.
> This module constitutes the core logic, TTY ldisc driver
> and the exported symbols for registering/unregistering of
> the protocol drivers such as BT/FM/GPS.
> 
> Signed-off-by: Pavan Savoy <pavan_savoy@...com>
> ---
>  drivers/misc/ti-st/st_core.c | 1057 ++++++++++++++++++++++++++++++++++++++++++
>  drivers/misc/ti-st/st_core.h |   92 ++++
>  2 files changed, 1149 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/misc/ti-st/st_core.c
>  create mode 100644 drivers/misc/ti-st/st_core.h
> 
> diff --git a/drivers/misc/ti-st/st_core.c b/drivers/misc/ti-st/st_core.c
> new file mode 100644
> index 0000000..1cb7c0a
> --- /dev/null
> +++ b/drivers/misc/ti-st/st_core.c
> @@ -0,0 +1,1057 @@
> +/*
> + *  Shared Transport Line discipline driver Core
> + *	This hooks up ST KIM driver and ST LL driver
> + *  Copyright (C) 2009 Texas Instruments
> + *
> + *  This program is free software; you can redistribute it and/or modify
> + *  it under the terms of the GNU General Public License version 2 as
> + *  published by the Free Software Foundation.
> + *
> + *  This program is distributed in the hope that it will be useful,
> + *  but WITHOUT ANY WARRANTY; without even the implied warranty of
> + *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + *  GNU General Public License for more details.
> + *
> + *  You should have received a copy of the GNU General Public License
> + *  along with this program; if not, write to the Free Software
> + *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
> + *
> + */
> +
> +#include <linux/module.h>
> +#include <linux/kernel.h>
> +#include <linux/init.h>
> +#include <linux/tty.h>
> +
> +/* understand BT, FM and GPS for now */
> +#include <net/bluetooth/bluetooth.h>
> +#include <net/bluetooth/hci_core.h>
> +#include <net/bluetooth/hci.h>
> +#include "fm.h"
> +/*
> + * packet formats for fm and gps
> + * #include "gps.h"
> + */
> +#include "st_core.h"
> +#include "st_kim.h"
> +#include "st_ll.h"
> +#include "st.h"
> +
> +/* all debug macros go in here */
> +#define ST_DRV_ERR(fmt, arg...)  printk(KERN_ERR "(stc):"fmt"\n" , ## arg)
> +#if defined(DEBUG)		/* limited debug messages */
> +#define ST_DRV_DBG(fmt, arg...)  printk(KERN_INFO "(stc):"fmt"\n" , ## arg)
> +#define ST_DRV_VER(fmt, arg...)
> +#elif defined(VERBOSE)		/* very verbose */
> +#define ST_DRV_DBG(fmt, arg...)  printk(KERN_INFO "(stc):"fmt"\n" , ## arg)
> +#define ST_DRV_VER(fmt, arg...)  printk(KERN_INFO "(stc):"fmt"\n" , ## arg)
> +#else /* error msgs only */
> +#define ST_DRV_DBG(fmt, arg...)
> +#define ST_DRV_VER(fmt, arg...)
> +#endif

NO!

Please use the existing debug macros (dev_printk and friends) and do not
roll your own.

thanks,

greg k-h
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