From: Kumar Gala <galak@kernel.crashing.org>
To: jimmy liu <jimmyzhmliu@yahoo.com>
Cc: linuxppc-dev@ozlabs.org, hs@denx.de
Subject: Re: [PATCH] I2C: Add I2C support for the MPC8260
Date: Wed, 24 Jan 2007 23:44:57 -0600 [thread overview]
Message-ID: <A51B6AE8-D9B9-4DB1-901A-61CF7DA08124@kernel.crashing.org> (raw)
In-Reply-To: <20070125045617.40490.qmail@web53115.mail.yahoo.com>
On Jan 24, 2007, at 10:56 PM, jimmy liu wrote:
> When I add mpc8260 I2C driver to Linux Kernel 2.6.19,
> the init function looks like that
> static int __init fsl_i2c_init(void)
> {
> return driver_register(&fsl_i2c_driver);
> }
>
> I set the debug on, and found that the fsl_i2c_probe()
> function is never
> called, so there is not I2C device enabled, and the
> user space function
> open("/dev/i2c-0",O_RDWR) always return error. I set
> something wrong?
You need something to create a device to match the driver you've just
registered. This has usually been done with the platform bus and
using platform_devices in the past.
- k
next prev parent reply other threads:[~2007-01-25 5:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-25 4:56 [PATCH] I2C: Add I2C support for the MPC8260 jimmy liu
2007-01-25 5:44 ` Kumar Gala [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-11-21 15:55 Heiko Schocher
2005-11-23 7:01 ` Kumar Gala
2005-11-23 18:29 ` Heiko Schocher
2005-11-23 19:06 ` Kumar Gala
2005-11-24 11:17 ` Christoph Hellwig
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