Doug Anderson wrote: > > From: Padmavathi Venna <[email protected]> > > Get the i2c bus number that the device is connected to using the alias > id. This makes debugging / grokking of kernel messages much easier. > > [dianders: slight patch cleanup from Padmavathi's original.] > > Signed-off-by: Padmavathi Venna <[email protected]> > Signed-off-by: Doug Anderson <[email protected]>
Acked-by: Kukjin Kim <[email protected]> Thanks. Best regards, Kgene. -- Kukjin Kim <[email protected]>, Senior Engineer, SW Solution Development Team, Samsung Electronics Co., Ltd. > --- > drivers/i2c/busses/i2c-s3c2410.c | 10 +++++++++- > 1 files changed, 9 insertions(+), 1 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c- > s3c2410.c > index 3e0335f..ca43590 100644 > --- a/drivers/i2c/busses/i2c-s3c2410.c > +++ b/drivers/i2c/busses/i2c-s3c2410.c > @@ -899,11 +899,19 @@ static void > s3c24xx_i2c_parse_dt(struct device_node *np, struct s3c24xx_i2c *i2c) > { > struct s3c2410_platform_i2c *pdata = i2c->pdata; > + int id; > > if (!np) > return; > > - pdata->bus_num = -1; /* i2c bus number is dynamically assigned */ > + id = of_alias_get_id(np, "i2c"); > + if (id < 0) { > + dev_warn(i2c->dev, "failed to get alias id:%d\n", id); > + pdata->bus_num = -1; > + } else { > + /* i2c bus number is statically assigned from alias */ > + pdata->bus_num = id; > + } > of_property_read_u32(np, "samsung,i2c-sda-delay", &pdata- > >sda_delay); > of_property_read_u32(np, "samsung,i2c-slave-addr", &pdata- > >slave_addr); > of_property_read_u32(np, "samsung,i2c-max-bus-freq", > -- > 1.7.7.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
