166 	 * Using .read_avail() is fringe to begin with and makes no sense  in rescale_configure_channel()
180 	u32 sense;  in rescale_current_sense_amplifier_props()  local
186 	ret = device_property_read_u32(dev, "sense-resistor-micro-ohms",  in rescale_current_sense_amplifier_props()
187 				       &sense);  in rescale_current_sense_amplifier_props()
189 		dev_err(dev, "failed to read the sense resistance: %d\n", ret);  in rescale_current_sense_amplifier_props()
193 	device_property_read_u32(dev, "sense-gain-mult", &gain_mult);  in rescale_current_sense_amplifier_props()
194 	device_property_read_u32(dev, "sense-gain-div", &gain_div);  in rescale_current_sense_amplifier_props()
197 	 * Calculate the scaling factor, 1 / (gain * sense), or  in rescale_current_sense_amplifier_props()
198 	 * gain_div / (gain_mult * sense), while trying to keep the  in rescale_current_sense_amplifier_props()
201 	factor = gcd(sense, 1000000);  in rescale_current_sense_amplifier_props()
203 	rescale->denominator = sense / factor;  in rescale_current_sense_amplifier_props()
286 	{ .compatible = "current-sense-amplifier",
288 	{ .compatible = "current-sense-shunt",