[PATCH 2/2] clk: initial clock driver for TWL6030

[Mark Brown]

On Fri, Aug 01, 2014 at 12:04:35PM +0200, Stefan Assmann wrote:

> probe function doesn't even get called without the clock being
> powered/enabled. I've instrumented do_one_initcall() to verify this.
> With the clock being enabled I see:
> [   19.693511] init/main.c do_one_initcall:792 initcall wl1271_init+0x0/0x38 [wlcore_sdio]
> [   20.993347] init/main.c do_one_initcall:792 initcall wl12xx_driver_init+0x0/0x14 [wl12xx]
> If the clock is kept disabled none of the calls is made and we never get
> to wl12xx_probe().
> The device might not be discoverable without the clock.

> Maybe we should rethink the idea of doing that single register write to
> enable the device in twl-core code, if the TWL6030 is present.

> Alternatively this could be done by u-boot. Seems like something that
> should have been done by firmware upfront.

If this is a SDIO device please search the lists for discussion on how
to handle enabling required resources for them - Ulf was working on
something generic for that.
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