From 959e85f7751c33d1a2dabc5cc3fe2ed0db7052e5 Mon Sep 17 00:00:00 2001 From: Grant Likely Date: Tue, 8 Jun 2010 07:48:19 -0600 Subject: [PATCH] i2c: Add OF-style registration and binding This patch adds OF hooks to the i2c core so that devices can automatically be registered based on device tree data. Signed-off-by: Grant Likely --- drivers/i2c/busses/i2c-cpm.c | 5 ----- drivers/i2c/busses/i2c-ibm_iic.c | 3 --- drivers/i2c/busses/i2c-mpc.c | 1 - drivers/i2c/i2c-core.c | 9 +++++++++ 4 files changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c index 03ae62e69596..e591de1bc704 100644 --- a/drivers/i2c/busses/i2c-cpm.c +++ b/drivers/i2c/busses/i2c-cpm.c @@ -677,11 +677,6 @@ static int __devinit cpm_i2c_probe(struct of_device *ofdev, dev_dbg(&ofdev->dev, "hw routines for %s registered.\n", cpm->adap.name); - /* - * register OF I2C devices - */ - of_i2c_register_devices(&cpm->adap); - return 0; out_shut: cpm_i2c_shutdown(cpm); diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c index d9641210dd3a..1168d61418c9 100644 --- a/drivers/i2c/busses/i2c-ibm_iic.c +++ b/drivers/i2c/busses/i2c-ibm_iic.c @@ -761,9 +761,6 @@ static int __devinit iic_probe(struct of_device *ofdev, dev_info(&ofdev->dev, "using %s mode\n", dev->fast_mode ? "fast (400 kHz)" : "standard (100 kHz)"); - /* Now register all the child nodes */ - of_i2c_register_devices(adap); - return 0; error_cleanup: diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index d2e26d290e7a..9f7fef8c4639 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -607,7 +607,6 @@ static int __devinit fsl_i2c_probe(struct of_device *op, dev_err(i2c->dev, "failed to add adapter\n"); goto fail_add; } - of_i2c_register_devices(&i2c->adap); return result; diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 1cca2631e5b3..5588ac1fb8ad 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -30,6 +30,8 @@ #include #include #include +#include +#include #include #include #include @@ -70,6 +72,10 @@ static int i2c_device_match(struct device *dev, struct device_driver *drv) if (!client) return 0; + /* Attempt an OF style match */ + if (of_driver_match_device(dev, drv)) + return 1; + driver = to_i2c_driver(drv); /* match on an id table if there is one */ if (driver->id_table) @@ -790,6 +796,9 @@ static int i2c_register_adapter(struct i2c_adapter *adap) if (adap->nr < __i2c_first_dynamic_bus_num) i2c_scan_static_board_info(adap); + /* Register devices from the device tree */ + of_i2c_register_devices(adap); + /* Notify drivers */ mutex_lock(&core_lock); dummy = bus_for_each_drv(&i2c_bus_type, NULL, adap, -- 2.20.1