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From: Jeff Garzik <jgarzik@mandrakesoft.com>
To: Albert Cranford <ac9410@attbi.com>
Cc: Linus Torvalds <torvalds@transmeta.com>,
	Kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [patch 2/9]Four new i2c drivers and __init/__exit cleanup to i2c
Date: Sun, 15 Sep 2002 19:00:46 -0400	[thread overview]
Message-ID: <3D85111E.5030509@mandrakesoft.com> (raw)
In-Reply-To: Pine.LNX.4.44.0209151834280.7637-200000@home1

Albert Cranford wrote:

> +#ifdef MODULE_LICENSE
> +MODULE_LICENSE("GPL");
> +#endif

kill the ifdef


> +static int bit_pport_init(void)
> +{
> +	//release_region( (base+2) ,1);
> +
> +	if (check_region((base+2),1) < 0 ) {

wrong.  race.  use request_region, and check its return value. 
check_region should never be used.


> +		return -ENODEV;	
> +	} else {
> +
> +		/* test for PPORT adap. 	*/
> +	
> +
> +		PortData=inb(base+2);
> +		PortData= (PortData SET_SDA) SET_SCL;
> +		outb(PortData,base+2);				
> +
> +		if (!(inb(base+2) | 0x06)) {	/* SDA and SCL will be high	*/
> +			DEBINIT(printk("i2c-pport.o: SDA and SCL was low.\n"));
> +			return -ENODEV;
> +		} else {
> +		
> +			/*SCL high and SDA low*/
> +			PortData = PortData SET_SCL CLR_SDA;
> +			outb(PortData,base+2);	
> +			udelay(400);

long udelay in process context, where you should sleep instead



> +static void bit_pport_inc_use(struct i2c_adapter *adap)
> +{
> +#ifdef MODULE
> +	MOD_INC_USE_COUNT;
> +#endif
> +}
> +
> +static void bit_pport_dec_use(struct i2c_adapter *adap)
> +{
> +#ifdef MODULE
> +	MOD_DEC_USE_COUNT;
> +#endif

kill the ifdef.  use ->owner instead if possible.



> +#ifdef MODULE
> +MODULE_AUTHOR("Daniel Smolik <marvin@sitour.cz>");
> +MODULE_DESCRIPTION("I2C-Bus adapter routines for Primitive parallel port adapter")
> +;
> +
> +MODULE_PARM(base, "i");
> +
> +int init_module(void)
> +{
> +	return i2c_bitpport_init();
> +}
> +
> +void cleanup_module(void)
> +{
> +	i2c_bit_del_bus(&bit_pport_ops);
> +	bit_pport_exit();
> +}
> +
> +#endif

kill the ifdef, use module_init, module_exit


  reply	other threads:[~2002-09-15 22:56 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-15 22:36 [patch 2/9]Four new i2c drivers and __init/__exit cleanup to i2c Albert Cranford
2002-09-15 23:00 ` Jeff Garzik [this message]
  -- strict thread matches above, loose matches on Subject: below --
2005-05-19  6:23 Albert Cranford

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