diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2009-02-12 15:57:20 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-02-19 12:30:22 +0100 |
| commit | 2514cca06be9dc7ae12908085ebaf0ef49e6d8ae (patch) | |
| tree | 912c6b59bf5d82f8bd0e24a6ffe787c670bba4f2 /drivers/i2c | |
| parent | [ARM] 5363/1: Shark cleanup and new defconfig (diff) | |
| download | linux-2514cca06be9dc7ae12908085ebaf0ef49e6d8ae.tar.xz linux-2514cca06be9dc7ae12908085ebaf0ef49e6d8ae.zip | |
[ARM] 5394/1: Add static bus numbering support to i2c-versatile
If dev->id is not -1, the platform code may use static bus numbering
rather than dynamic. The patch also changes the i2c_versatile_init to a
subsys_initcall rather than module_init to make sure it is initialised
before the I2C devices initialisation.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-versatile.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-versatile.c b/drivers/i2c/busses/i2c-versatile.c index 4678babd3ce6..fede619ba227 100644 --- a/drivers/i2c/busses/i2c-versatile.c +++ b/drivers/i2c/busses/i2c-versatile.c @@ -102,7 +102,13 @@ static int i2c_versatile_probe(struct platform_device *dev) i2c->algo = i2c_versatile_algo; i2c->algo.data = i2c; - ret = i2c_bit_add_bus(&i2c->adap); + if (dev->id >= 0) { + /* static bus numbering */ + i2c->adap.nr = dev->id; + ret = i2c_bit_add_numbered_bus(&i2c->adap); + } else + /* dynamic bus numbering */ + ret = i2c_bit_add_bus(&i2c->adap); if (ret >= 0) { platform_set_drvdata(dev, i2c); return 0; @@ -146,7 +152,7 @@ static void __exit i2c_versatile_exit(void) platform_driver_unregister(&i2c_versatile_driver); } -module_init(i2c_versatile_init); +subsys_initcall(i2c_versatile_init); module_exit(i2c_versatile_exit); MODULE_DESCRIPTION("ARM Versatile I2C bus driver"); |