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radeonfb: Let hwmon driver probe the "monid" I2C bus
Some Radeon cards have an I2C-based thermal sensor chip connected to the "monid" I2C bus. Set the I2C probing class of this bus properly so that hwmon drivers can detect devices on it and bind to them. This closes kernel.org bug #26172. We exclude PPC for the time being, as Benjamin doesn't want us to mess up with them without explicit testing, and there is no evidence that this change is needed for them either. Reported-by: Alexander Goomenyuk <emerg.reanimator@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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@ -100,6 +100,9 @@ void radeon_create_i2c_busses(struct radeonfb_info *rinfo)
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{
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rinfo->i2c[0].rinfo = rinfo;
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rinfo->i2c[0].ddc_reg = GPIO_MONID;
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#ifndef CONFIG_PPC
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rinfo->i2c[0].adapter.class = I2C_CLASS_HWMON;
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#endif
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radeon_setup_i2c_bus(&rinfo->i2c[0], "monid");
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rinfo->i2c[1].rinfo = rinfo;
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