From: Lee Jones <lee.jones@linaro.org>
To: Andreas Kemnade <andreas@kemnade.info>
Cc: robh+dt@kernel.org, mark.rutland@arm.com, a.zummo@towertech.it,
alexandre.belloni@bootlin.com, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-rtc@vger.kernel.org,
stefan@agner.ch, b.galvani@gmail.com, phh@phh.me,
letux-kernel@openphoenux.org
Subject: Re: [PATCH v4 4/5] mfd: rn5t618: add more subdevices
Date: Mon, 16 Dec 2019 15:31:06 +0000 [thread overview]
Message-ID: <20191216153106.GK2369@dell> (raw)
In-Reply-To: <20191211215409.32764-5-andreas@kemnade.info>
On Wed, 11 Dec 2019, Andreas Kemnade wrote:
> The RC5T619 has a RTC which is missing in the
> RN5T618. Add it as subdevice to prepare for their implementation
>
> Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
> ---
> Changes in v3:
> - alignment cleanup
> drivers/mfd/rn5t618.c | 16 ++++++++++++++--
> 1 file changed, 14 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c
> index d78eb29b94a4..18d56a732b20 100644
> --- a/drivers/mfd/rn5t618.c
> +++ b/drivers/mfd/rn5t618.c
> @@ -22,6 +22,12 @@ static const struct mfd_cell rn5t618_cells[] = {
> { .name = "rn5t618-wdt" },
> };
>
> +static const struct mfd_cell rc5t619_cells[] = {
> + { .name = "rn5t618-regulator" },
> + { .name = "rc5t619-rtc" },
> + { .name = "rn5t618-wdt" },
> +};
> +
> static bool rn5t618_volatile_reg(struct device *dev, unsigned int reg)
> {
> switch (reg) {
> @@ -173,8 +179,14 @@ static int rn5t618_i2c_probe(struct i2c_client *i2c,
> return ret;
> }
>
> - ret = devm_mfd_add_devices(&i2c->dev, -1, rn5t618_cells,
> - ARRAY_SIZE(rn5t618_cells), NULL, 0, NULL);
> + if (priv->variant == RC5T619)
> + ret = devm_mfd_add_devices(&i2c->dev, -1, rc5t619_cells,
Ref: The "-1", please use this as an opportunity to use the defines.
> + ARRAY_SIZE(rc5t619_cells),
> + NULL, 0, NULL);
> + else
Are you sure it's not possible for 'variant' to be an unsupported
device?
> + ret = devm_mfd_add_devices(&i2c->dev, -1, rn5t618_cells,
> + ARRAY_SIZE(rn5t618_cells),
> + NULL, 0, NULL);
> if (ret) {
> dev_err(&i2c->dev, "failed to add sub-devices: %d\n", ret);
> return ret;
--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2019-12-16 15:31 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-11 21:54 [PATCH v4 0/5] Add rtc support for rn5t618 mfd Andreas Kemnade
2019-12-11 21:54 ` [PATCH v4 1/5] dt-bindings: mfd: rn5t618: Document optional property interrupts Andreas Kemnade
2019-12-16 15:27 ` Lee Jones
2019-12-18 20:54 ` Rob Herring
2019-12-11 21:54 ` [PATCH v4 2/5] mfd: rn5t618: add IRQ support Andreas Kemnade
2019-12-16 15:27 ` Lee Jones
2019-12-16 16:01 ` Andreas Kemnade
2019-12-11 21:54 ` [PATCH v4 3/5] mfd: rn5t618: add RTC related registers Andreas Kemnade
2019-12-16 15:28 ` Lee Jones
2019-12-11 21:54 ` [PATCH v4 4/5] mfd: rn5t618: add more subdevices Andreas Kemnade
2019-12-16 15:31 ` Lee Jones [this message]
2019-12-16 16:00 ` Andreas Kemnade
2019-12-17 8:01 ` Lee Jones
2019-12-17 11:25 ` Andreas Kemnade
2019-12-17 19:26 ` Andreas Kemnade
2019-12-11 21:54 ` [PATCH v4 5/5] rtc: rc5t619: add ricoh rc5t619 RTC driver Andreas Kemnade
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