[U-Boot] [bug report] Incorrect result from clk_get_by_name

Simon Glass sjg at chromium.org
Mon Apr 10 17:42:49 UTC 2017


Hi,

On 9 April 2017 at 20:45, Ziyuan <xzy.xu at rock-chips.com> wrote:
> hi all,
>
> I hit an issue about clk_get_by_name w/ fdt.
> I wanna get a specified clock cell from dts via clk_get_by_name. eg:
> clk_get_by_name(, "ciu-sample",..) from 'emmc: dwmmc at ff0f0000' on rk3288
> platform which it has four clock cell: "biu", "ciu", "ciu_drv",
> "ciu_sample".
> I found that the clock list has only one element, it's "biu". I expected
> that there are four elements.
>
> Actually, I can use clk_get_by_index instead, but I prefer clock name, it's
> more readable.

Perhaps there is a bug in fdt_stringlist_search()? Can you try to debug it?

Also I see that test/dm/clk.c does not have a test for
clk_get_by_name(). If you have time, please add a test for that since
it is an important function.

Regards,
Simon


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