On Thu, Mar 29, 2012 at 04:28:48PM +0200, Igor Grinberg wrote:

On 03/28/12 18:59, Paul Gortmaker wrote:

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static struct platform_device em_x270_gps_userspace_consumer = {
        .name           = "reg-userspace-consumer",
        .id             = 0,

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static struct platform_device em_x270_gprs_userspace_consumer = {
        .name           = "reg-userspace-consumer",
        .id             = 1,

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-REGULATOR_CONSUMER(ldo19, "reg-userspace-consumer", "vcc gprs");
+REGULATOR_CONSUMER(ldo19, "reg-userspace-consumer.1", "vcc gprs");

Well, I thought of this solution, but I don't like it, as it makes
the whole thing very fragile and sensitive to the reg-userspace-consumer
platform device registration order and count, isn't it?
(That's why I proposed to use NULL...).

No the platform device numbering should be totally stable for a given
board unless someone deliberately sets out to renumber them - the .ids
are explicitly assigned by the board when it registers the device.

So, Mark, how do you think the above issues can be handled without
putting NULL into the dev_name?

It shouldn't be a problem I think.