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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2012-07-12 13:57:52 +0400
committerSamuel Ortiz <sameo@linux.intel.com>2012-11-07 02:11:42 +0400
commitcd0f34b08f98af72bb2f74fe4bd251558fc734d3 (patch)
treecaee50770690b553ffbc10df5fb031fdde5e187c /drivers/mfd/mc13xxx-i2c.c
parent5e53a69b44e893227b046a7bc74db3cb40d7f39b (diff)
downloadlinux-cd0f34b08f98af72bb2f74fe4bd251558fc734d3.tar.xz
mfd: mc13xxx: Change probing details for mc13xxx devices
This removes auto-detection of which variant of mc13xxx is used because mc34708 uses a different layout in the revision register that doesn't allow differentiation any more. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Marc Reilly <marc@cpdesign.com.au> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/mc13xxx-i2c.c')
-rw-r--r--drivers/mfd/mc13xxx-i2c.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/mfd/mc13xxx-i2c.c b/drivers/mfd/mc13xxx-i2c.c
index 9d18dde3cd2a..4a0afc7f2d4e 100644
--- a/drivers/mfd/mc13xxx-i2c.c
+++ b/drivers/mfd/mc13xxx-i2c.c
@@ -24,7 +24,7 @@
static const struct i2c_device_id mc13xxx_i2c_device_id[] = {
{
.name = "mc13892",
- .driver_data = MC13XXX_ID_MC13892,
+ .driver_data = (kernel_ulong_t)&mc13xxx_variant_mc13892,
}, {
/* sentinel */
}
@@ -34,7 +34,7 @@ MODULE_DEVICE_TABLE(i2c, mc13xxx_i2c_device_id);
static const struct of_device_id mc13xxx_dt_ids[] = {
{
.compatible = "fsl,mc13892",
- .data = (void *) &mc13xxx_i2c_device_id[0],
+ .data = &mc13xxx_variant_mc13892,
}, {
/* sentinel */
}
@@ -76,11 +76,15 @@ static int mc13xxx_i2c_probe(struct i2c_client *client,
return ret;
}
- ret = mc13xxx_common_init(mc13xxx, pdata, client->irq);
+ if (client->dev.of_node) {
+ const struct of_device_id *of_id =
+ of_match_device(mc13xxx_dt_ids, &client->dev);
+ mc13xxx->variant = of_id->data;
+ } else {
+ mc13xxx->variant = (void *)id->driver_data;
+ }
- if (ret == 0 && (id->driver_data != mc13xxx->ictype))
- dev_warn(mc13xxx->dev,
- "device id doesn't match auto detection!\n");
+ ret = mc13xxx_common_init(mc13xxx, pdata, client->irq);
return ret;
}