On Fri, 24 Jun 2016, Keerthy wrote: > From: Tero Kristo <[email protected]> > > Version information will be needed to handle some error cases under the > regulator driver, so store the information once during MFD probe. > > Signed-off-by: Tero Kristo <[email protected]> > Signed-off-by: Dave Gerlach <[email protected]> > Signed-off-by: Keerthy <[email protected]> > --- > drivers/mfd/tps65218.c | 9 +++++++++ > include/linux/mfd/tps65218.h | 1 + > 2 files changed, 10 insertions(+)
Acked-by: Lee Jones <[email protected]> > diff --git a/drivers/mfd/tps65218.c b/drivers/mfd/tps65218.c > index 80b9dc3..ba610ad 100644 > --- a/drivers/mfd/tps65218.c > +++ b/drivers/mfd/tps65218.c > @@ -219,6 +219,7 @@ static int tps65218_probe(struct i2c_client *client, > struct tps65218 *tps; > const struct of_device_id *match; > int ret; > + unsigned int chipid; > > match = of_match_device(of_tps65218_match_table, &client->dev); > if (!match) { > @@ -250,6 +251,14 @@ static int tps65218_probe(struct i2c_client *client, > if (ret < 0) > return ret; > > + ret = tps65218_reg_read(tps, TPS65218_REG_CHIPID, &chipid); > + if (ret) { > + dev_err(tps->dev, "Failed to read chipid: %d\n", ret); > + return ret; > + } > + > + tps->rev = chipid & TPS65218_CHIPID_REV_MASK; > + > ret = of_platform_populate(client->dev.of_node, NULL, NULL, > &client->dev); > if (ret < 0) > diff --git a/include/linux/mfd/tps65218.h b/include/linux/mfd/tps65218.h > index 7fdf532..85e464e 100644 > --- a/include/linux/mfd/tps65218.h > +++ b/include/linux/mfd/tps65218.h > @@ -267,6 +267,7 @@ struct tps_info { > struct tps65218 { > struct device *dev; > unsigned int id; > + u8 rev; > > struct mutex tps_lock; /* lock guarding the data structure */ > /* IRQ Data */ -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
