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authorFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>2012-02-19 01:23:20 +0000
committerFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>2012-02-21 08:50:19 +0000
commit78145b7a343fe2950478e649e905f557054df884 (patch)
treee1e8bbeb9e78227ad2c5a25615683eddaa60d3e4 /drivers/video/via/viafbdev.c
parentviafb: NULL dereference on allocation failure in query_edid() (diff)
downloadlinux-dev-78145b7a343fe2950478e649e905f557054df884.tar.xz
linux-dev-78145b7a343fe2950478e649e905f557054df884.zip
viafb: another workaround for OLPCs weird wiring
On OLPC we must not touch this I2C bus or it will hang. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Diffstat (limited to 'drivers/video/via/viafbdev.c')
-rw-r--r--drivers/video/via/viafbdev.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 47911658f684..9cfa92ef6bd0 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -1752,8 +1752,10 @@ static void __devinit i2c_bus_probe(struct viafb_shared *shared)
shared->i2c_31 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_31));
/* FIXME: what is this? */
- printk(KERN_INFO "viafb: Probing I2C bus 0x2C\n");
- shared->i2c_2C = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_2C));
+ if (!machine_is_olpc()) {
+ printk(KERN_INFO "viafb: Probing I2C bus 0x2C\n");
+ shared->i2c_2C = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_2C));
+ }
printk(KERN_INFO "viafb: Finished I2C bus probing");
}