| Message ID | 20230812130130.123243-1-biju.das.jz@bp.renesas.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Geert Uytterhoeven |
| Headers | show |
| Series | iio: proximity: sx9310: Convert enum->pointer for match data table | expand |
On Sat, Aug 12, 2023 at 4:01 PM Biju Das <biju.das.jz@bp.renesas.com> wrote: > > Convert enum->pointer for data in match data table, so that > device_get_match_data() can do match against OF/ACPI/I2C tables, once i2c > bus type match support added to it. > > Add struct sx931x_info and replace enum->sx931x_info in the match table > and simplify sx9310_check_whoami(). ... > + ddata = device_get_match_data(dev); > + if (ddata->whoami != whoami) > return -EINVAL; -ENODEV looks better. ... > +static const struct sx931x_info sx9310_info = { > + .name = "sx9310", > + .whoami = SX9310_WHOAMI_VALUE Keep trailing comma. > +}; > + > +static const struct sx931x_info sx9311_info = { > + .name = "sx9311", > + .whoami = SX9311_WHOAMI_VALUE Ditto. > +}; ... Otherwise looks good to me Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Hi Andy, Thanks for the feedback. > Subject: Re: [PATCH] iio: proximity: sx9310: Convert enum->pointer for > match data table > > On Sat, Aug 12, 2023 at 4:01 PM Biju Das <biju.das.jz@bp.renesas.com> > wrote: > > > > Convert enum->pointer for data in match data table, so that > > device_get_match_data() can do match against OF/ACPI/I2C tables, once > > i2c bus type match support added to it. > > > > Add struct sx931x_info and replace enum->sx931x_info in the match > > table and simplify sx9310_check_whoami(). > > ... > > > + ddata = device_get_match_data(dev); > > + if (ddata->whoami != whoami) > > return -EINVAL; > > -ENODEV looks better. OK. > > ... > > > +static const struct sx931x_info sx9310_info = { > > + .name = "sx9310", > > + .whoami = SX9310_WHOAMI_VALUE > > Keep trailing comma. OK. > > > +}; > > + > > +static const struct sx931x_info sx9311_info = { > > + .name = "sx9311", > > + .whoami = SX9311_WHOAMI_VALUE > > Ditto. OK. Will fix this in next version, if there is no objections. Cheers, Biju > > > +}; > > ... > > Otherwise looks good to me > Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> > > -- > With Best Regards, > Andy Shevchenko
diff --git a/drivers/iio/proximity/sx9310.c b/drivers/iio/proximity/sx9310.c index d977aacb7491..0f1d5226a585 100644 --- a/drivers/iio/proximity/sx9310.c +++ b/drivers/iio/proximity/sx9310.c @@ -159,6 +159,11 @@ static_assert(SX9310_NUM_CHANNELS <= SX_COMMON_MAX_NUM_CHANNELS); } #define SX9310_CHANNEL(idx) SX9310_NAMED_CHANNEL(idx, NULL) +struct sx931x_info { + const char *name; + unsigned int whoami; +}; + static const struct iio_chan_spec sx9310_channels[] = { SX9310_CHANNEL(0), /* CS0 */ SX9310_CHANNEL(1), /* CS1 */ @@ -902,7 +907,7 @@ static int sx9310_check_whoami(struct device *dev, struct iio_dev *indio_dev) { struct sx_common_data *data = iio_priv(indio_dev); - unsigned int long ddata; + const struct sx931x_info *ddata; unsigned int whoami; int ret; @@ -910,20 +915,11 @@ static int sx9310_check_whoami(struct device *dev, if (ret) return ret; - ddata = (uintptr_t)device_get_match_data(dev); - if (ddata != whoami) + ddata = device_get_match_data(dev); + if (ddata->whoami != whoami) return -EINVAL; - switch (whoami) { - case SX9310_WHOAMI_VALUE: - indio_dev->name = "sx9310"; - break; - case SX9311_WHOAMI_VALUE: - indio_dev->name = "sx9311"; - break; - default: - return -ENODEV; - } + indio_dev->name = ddata->name; return 0; } @@ -1015,23 +1011,33 @@ static int sx9310_resume(struct device *dev) static DEFINE_SIMPLE_DEV_PM_OPS(sx9310_pm_ops, sx9310_suspend, sx9310_resume); +static const struct sx931x_info sx9310_info = { + .name = "sx9310", + .whoami = SX9310_WHOAMI_VALUE +}; + +static const struct sx931x_info sx9311_info = { + .name = "sx9311", + .whoami = SX9311_WHOAMI_VALUE +}; + static const struct acpi_device_id sx9310_acpi_match[] = { - { "STH9310", SX9310_WHOAMI_VALUE }, - { "STH9311", SX9311_WHOAMI_VALUE }, + { "STH9310", (kernel_ulong_t)&sx9310_info }, + { "STH9311", (kernel_ulong_t)&sx9311_info }, {} }; MODULE_DEVICE_TABLE(acpi, sx9310_acpi_match); static const struct of_device_id sx9310_of_match[] = { - { .compatible = "semtech,sx9310", (void *)SX9310_WHOAMI_VALUE }, - { .compatible = "semtech,sx9311", (void *)SX9311_WHOAMI_VALUE }, + { .compatible = "semtech,sx9310", &sx9310_info }, + { .compatible = "semtech,sx9311", &sx9311_info }, {} }; MODULE_DEVICE_TABLE(of, sx9310_of_match); static const struct i2c_device_id sx9310_id[] = { - { "sx9310", SX9310_WHOAMI_VALUE }, - { "sx9311", SX9311_WHOAMI_VALUE }, + { "sx9310", (kernel_ulong_t)&sx9310_info }, + { "sx9311", (kernel_ulong_t)&sx9311_info }, {} }; MODULE_DEVICE_TABLE(i2c, sx9310_id);
Convert enum->pointer for data in match data table, so that device_get_match_data() can do match against OF/ACPI/I2C tables, once i2c bus type match support added to it. Add struct sx931x_info and replace enum->sx931x_info in the match table and simplify sx9310_check_whoami(). Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> --- drivers/iio/proximity/sx9310.c | 44 +++++++++++++++++++--------------- 1 file changed, 25 insertions(+), 19 deletions(-)