Hello Lee, Sorry for the delay but had been on holidays last week. On 09/04/2014 10:25 AM, Lee Jones wrote: >> >> -static const struct mfd_cell cros_devs[] = { >> - { >> - .name = "cros-ec-keyb", >> - .id = 1, >> - .of_compatible = "google,cros-ec-keyb", >> - }, >> - { >> - .name = "cros-ec-i2c-tunnel", >> - .id = 2, >> - .of_compatible = "google,cros-ec-i2c-tunnel", >> - }, >> -}; >> - >> int cros_ec_register(struct cros_ec_device *ec_dev) >> { >> struct device *dev = ec_dev->dev; >> +#ifdef CONFIG_OF >> + struct device_node *node = dev->of_node; >> +#endif > > Drop the #ifdiffery. > I used the #ifdef guards because I remembered of_node being conditionally build but I see that this is not longer true after commmit: c9e358d driver-core: remove conditionals around devicetree pointers So I'll remove it, thanks for the pointer. >> int err = 0; >> >> if (ec_dev->din_size) { >> @@ -138,13 +129,19 @@ int cros_ec_register(struct cros_ec_device *ec_dev) >> >> mutex_init(&ec_dev->lock); >> >> - err = mfd_add_devices(dev, 0, cros_devs, >> - ARRAY_SIZE(cros_devs), >> - NULL, ec_dev->irq, NULL); >> - if (err) { >> - dev_err(dev, "failed to add mfd devices\n"); >> - return err; >> +#ifdef CONFIG_OF > > And here. > Nod. >> + /* >> + * Add sub-devices declared in the device tree. NOTE they should NOT be >> + * declared in cros_devs >> + */ > > Drop this comment. cros_devs no longer exists and we know what > of_platform_populate() does. > Ok. >> + if (node) { >> + err = of_platform_populate(node, NULL, NULL, dev); >> + if (err) { >> + dev_err(dev, "fail to add %s\n", node->full_name); > > That's not true. Just put "Failed to register subordinate devices". > Ok. >> + return err; >> + } >> } >> +#endif >> >> dev_info(dev, "Chrome EC device registered\n"); >> > Thanks a lot for the feedback and best regards, Javier -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html