[PATCH 1/5] viafb: another workaround for OLPCs weird wiring

From: Florian Tobias Schandinat
Date: Wed Feb 22 2012 - 13:32:50 EST


On OLPC we must not touch this I2C bus or it will hang.

Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@xxxxxx>
---
drivers/video/via/viafbdev.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 4791165..9cfa92e 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");
}
--
1.7.9

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