Initcall ordering
Wolfram Sang
w.sang at pengutronix.de
Sat Apr 24 11:24:27 EST 2010
Hi Gary,
(adding linux-i2c)
On Fri, Apr 23, 2010 at 09:56:07AM -0600, Gary Thomas wrote:
> I'm having trouble with the I2C devices on my 8347 platform.
> The problem is that I2C device probe() functions are only called
> once, as the I2C bus is being initialized (in this case fsl_i2c_init())
> I have 2 devices on this bus, one device gets it's initcall
> before fsl_i2c_init, the second one does not :-( This means
> that the second device is never probed.
Can you try this patch?
From: Wolfram Sang <w.sang at pengutronix.de>
Date: Sat, 24 Apr 2010 03:18:16 +0200
Subject: [PATCH] i2c/mpc: use subsys_initcall() to allow early usage of devices
Signed-off-by: Wolfram Sang <w.sang at pengutronix.de>
---
drivers/i2c/busses/i2c-mpc.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index f1321f7..32a3bae 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -693,13 +693,12 @@ static int __init fsl_i2c_init(void)
" of_register_platform_driver failed (%i)\n", rv);
return rv;
}
+subsys_initcall(fsl_i2c_init);
static void __exit fsl_i2c_exit(void)
{
of_unregister_platform_driver(&mpc_i2c_driver);
}
-
-module_init(fsl_i2c_init);
module_exit(fsl_i2c_exit);
MODULE_AUTHOR("Adrian Cox <adrian at humboldt.co.uk>");
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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