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SubjectRe: [PATCHv5 3/5] mfd: motorola-cpcap: Add audio-codec support
On Fri, 23 Feb 2018, Sebastian Reichel wrote:

> From: Sebastian Reichel <sre@kernel.org>
>
> Add support for the audio-codec node by converting from
> devm_of_platform_populate() to devm_mfd_add_devices().
>
> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
> ---
> drivers/mfd/motorola-cpcap.c | 51 +++++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 50 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mfd/motorola-cpcap.c b/drivers/mfd/motorola-cpcap.c
> index d2cc1eabac05..f6c79a4ccb55 100644
> --- a/drivers/mfd/motorola-cpcap.c
> +++ b/drivers/mfd/motorola-cpcap.c
> @@ -18,6 +18,7 @@
> #include <linux/regmap.h>
> #include <linux/sysfs.h>
>
> +#include <linux/mfd/core.h>
> #include <linux/mfd/motorola-cpcap.h>
> #include <linux/spi/spi.h>
>
> @@ -216,6 +217,53 @@ static const struct regmap_config cpcap_regmap_config = {
> .val_format_endian = REGMAP_ENDIAN_LITTLE,
> };
>
> +static const struct mfd_cell cpcap_mfd_devices[] = {
> + {
> + .name = "cpcap_adc",
> + .of_compatible = "motorola,mapphone-cpcap-adc",
> + }, {
> + .name = "cpcap_battery",
> + .of_compatible = "motorola,cpcap-battery",
> + }, {
> + .name = "cpcap-charger",
> + .of_compatible = "motorola,mapphone-cpcap-charger",
> + }, {
> + .name = "cpcap-regulator",
> + .of_compatible = "motorola,mapphone-cpcap-regulator",
> + }, {
> + .name = "cpcap-rtc",
> + .of_compatible = "motorola,cpcap-rtc",
> + }, {
> + .name = "cpcap-pwrbutton",
> + .of_compatible = "motorola,cpcap-pwrbutton",
> + }, {
> + .name = "cpcap-usb-phy",
> + .of_compatible = "motorola,mapphone-cpcap-usb-phy",
> + }, {
> + .name = "cpcap-led",
> + .id = 0,
> + .of_compatible = "motorola,cpcap-led-red",
> + }, {
> + .name = "cpcap-led",
> + .id = 1,
> + .of_compatible = "motorola,cpcap-led-green",
> + }, {
> + .name = "cpcap-led",
> + .id = 2,
> + .of_compatible = "motorola,cpcap-led-blue",
> + }, {
> + .name = "cpcap-led",
> + .id = 3,
> + .of_compatible = "motorola,cpcap-led-adl",
> + }, {
> + .name = "cpcap-led",
> + .id = 4,
> + .of_compatible = "motorola,cpcap-led-cp",
> + }, {
> + .name = "cpcap-codec",
> + }
> +};

With none of the entries containing platform_data /me wonders why you
can't still use devm_of_platform_populate()?

> static int cpcap_probe(struct spi_device *spi)
> {
> const struct of_device_id *match;
> @@ -260,7 +308,8 @@ static int cpcap_probe(struct spi_device *spi)
> if (ret)
> return ret;
>
> - return devm_of_platform_populate(&cpcap->spi->dev);
> + return devm_mfd_add_devices(&spi->dev, 0, cpcap_mfd_devices,
> + ARRAY_SIZE(cpcap_mfd_devices), NULL, 0, NULL);
> }
>
> static struct spi_driver cpcap_driver = {

--
Lee Jones
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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