mfd: sprd: Populate sub-devices defined in DT

SC27XX-SPI added subdevices according to a pre-defined mfd_cell array,
no matter these devices were really included on board. In this patch,
switch to use devm_of_platform_populate() for adding sub-devices which
are defined in devicetree.

Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/mfd/sprd-sc27xx-spi.c b/drivers/mfd/sprd-sc27xx-spi.c
index 33336cd..d030a5d 100644 (file)
--- a/drivers/mfd/sprd-sc27xx-spi.c
+++ b/drivers/mfd/sprd-sc27xx-spi.c
@@ -8,6 +8,7 @@
 #include <linux/module.h>
 #include <linux/mfd/core.h>
 #include <linux/of_device.h>
+#include <linux/of_platform.h>
 #include <linux/regmap.h>
 #include <linux/spi/spi.h>
 #include <uapi/linux/usb/charger.h>
@@ -93,73 +94,6 @@ enum usb_charger_type sprd_pmic_detect_charger_type(struct device *dev)
 }
 EXPORT_SYMBOL_GPL(sprd_pmic_detect_charger_type);
 
-static const struct mfd_cell sprd_pmic_devs[] = {
-       {
-               .name = "sc27xx-wdt",
-               .of_compatible = "sprd,sc2731-wdt",
-       }, {
-               .name = "sc27xx-rtc",
-               .of_compatible = "sprd,sc2731-rtc",
-       }, {
-               .name = "sc27xx-charger",
-               .of_compatible = "sprd,sc2731-charger",
-       }, {
-               .name = "sc27xx-chg-timer",
-               .of_compatible = "sprd,sc2731-chg-timer",
-       }, {
-               .name = "sc27xx-fast-chg",
-               .of_compatible = "sprd,sc2731-fast-chg",
-       }, {
-               .name = "sc27xx-chg-wdt",
-               .of_compatible = "sprd,sc2731-chg-wdt",
-       }, {
-               .name = "sc27xx-typec",
-               .of_compatible = "sprd,sc2731-typec",
-       }, {
-               .name = "sc27xx-flash",
-               .of_compatible = "sprd,sc2731-flash",
-       }, {
-               .name = "sc27xx-eic",
-               .of_compatible = "sprd,sc2731-eic",
-       }, {
-               .name = "sc27xx-efuse",
-               .of_compatible = "sprd,sc2731-efuse",
-       }, {
-               .name = "sc27xx-thermal",
-               .of_compatible = "sprd,sc2731-thermal",
-       }, {
-               .name = "sc27xx-adc",
-               .of_compatible = "sprd,sc2731-adc",
-       }, {
-               .name = "sc27xx-audio-codec",
-               .of_compatible = "sprd,sc2731-audio-codec",
-       }, {
-               .name = "sc27xx-regulator",
-               .of_compatible = "sprd,sc2731-regulator",
-       }, {
-               .name = "sc27xx-vibrator",
-               .of_compatible = "sprd,sc2731-vibrator",
-       }, {
-               .name = "sc27xx-keypad-led",
-               .of_compatible = "sprd,sc2731-keypad-led",
-       }, {
-               .name = "sc27xx-bltc",
-               .of_compatible = "sprd,sc2731-bltc",
-       }, {
-               .name = "sc27xx-fgu",
-               .of_compatible = "sprd,sc2731-fgu",
-       }, {
-               .name = "sc27xx-7sreset",
-               .of_compatible = "sprd,sc2731-7sreset",
-       }, {
-               .name = "sc27xx-poweroff",
-               .of_compatible = "sprd,sc2731-poweroff",
-       }, {
-               .name = "sc27xx-syscon",
-               .of_compatible = "sprd,sc2731-syscon",
-       },
-};
-
 static int sprd_pmic_spi_write(void *context, const void *data, size_t count)
 {
        struct device *dev = context;
@@ -263,12 +197,9 @@ static int sprd_pmic_probe(struct spi_device *spi)
                return ret;
        }
 
-       ret = devm_mfd_add_devices(&spi->dev, PLATFORM_DEVID_AUTO,
-                                  sprd_pmic_devs, ARRAY_SIZE(sprd_pmic_devs),
-                                  NULL, 0,
-                                  regmap_irq_get_domain(ddata->irq_data));
+       ret = devm_of_platform_populate(&spi->dev);
        if (ret) {
-               dev_err(&spi->dev, "Failed to register device %d\n", ret);
+               dev_err(&spi->dev, "Failed to populate sub-devices %d\n", ret);
                return ret;
        }