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| Started by | Valentin Rothberg <valentinrothberg@gmail.com> |
|---|---|
| First post | 2015-11-20 10:00 +0100 |
| Last post | 2015-11-20 13:50 +0100 |
| Articles | 3 — 3 participants |
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clk: tango4: undefined CONFIG_ARCH_TANGOX Valentin Rothberg <valentinrothberg@gmail.com> - 2015-11-20 10:00 +0100
Re: clk: tango4: undefined CONFIG_ARCH_TANGOX Marc Gonzalez <marc_gonzalez@sigmadesigns.com> - 2015-11-20 10:50 +0100
Re: clk: tango4: undefined CONFIG_ARCH_TANGOX Måns Rullgård <mans@mansr.com> - 2015-11-20 13:50 +0100
| From | Valentin Rothberg <valentinrothberg@gmail.com> |
|---|---|
| Date | 2015-11-20 10:00 +0100 |
| Subject | clk: tango4: undefined CONFIG_ARCH_TANGOX |
| Message-ID | <qwPI0-4To-47@gated-at.bofh.it> |
Hi Marc,
your commit ed12dfc92f01 ("clk: tango4: clkgen driver for Tango4
platforms") has shown up in today's linux-next tree (i.e.,
next-20151120) adding the following build condition to the tango4 clk
driver:
drivers/clk/Makefile:45:obj-$(CONFIG_ARCH_TANGOX) += clk-tango4.o
However, ARCH_TANGOX is nowhere defined in Kconfig so that the driver
cannot be compiled at the current state. I checked the LKML, and found
a bunch of patches referencing ARCH_TANGOX as well, but I could not find
any patch adding this option.
Is there a patch queued somewhere that adds ARCH_TANGOX?
I detected the issue with scripts/checkkconfigsymbols.py by diffing
yesterday's and today's linux-next.
Kind regards,
Valentin
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| From | Marc Gonzalez <marc_gonzalez@sigmadesigns.com> |
|---|---|
| Date | 2015-11-20 10:50 +0100 |
| Message-ID | <qwQun-5rq-31@gated-at.bofh.it> |
| In reply to | #1273872 |
On 20/11/2015 09:50, Valentin Rothberg wrote:
> your commit ed12dfc92f01 ("clk: tango4: clkgen driver for Tango4
> platforms") has shown up in today's linux-next tree (i.e.,
> next-20151120) adding the following build condition to the tango4 clk
> driver:
>
> drivers/clk/Makefile:45:obj-$(CONFIG_ARCH_TANGOX) += clk-tango4.o
>
> However, ARCH_TANGOX is nowhere defined in Kconfig so that the driver
> cannot be compiled at the current state. I checked the LKML, and found
> a bunch of patches referencing ARCH_TANGOX as well, but I could not find
> any patch adding this option.
>
> Is there a patch queued somewhere that adds ARCH_TANGOX?
Hello Valentin,
Platform support has not been accepted yet.
http://thread.gmane.org/gmane.linux.ports.arm.kernel/456280
In fact, Kevin Hilman has pointed out that the arch should not
be called TANGOX, because X is a wildcard.
(However, several unrelated drivers have been submitted with
TANGOX in the name. Is that a problem?)
tango3 was a MIPS-based design
tango4 is an ARM-based design (with one MIPS-based outlier).
tango5 is an ARM-based design
Although Mans is against the idea, I believe there should be one
different clk driver for each arch.
I'm not sure how to handle situations where there's
A) a separate driver for 3,4,5
B) a single driver for 3,4,5
C) one driver for 2 arches, another driver for the other arch
Regards.
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| From | Måns Rullgård <mans@mansr.com> |
|---|---|
| Date | 2015-11-20 13:50 +0100 |
| Message-ID | <qwTiy-7gN-29@gated-at.bofh.it> |
| In reply to | #1273902 |
Marc Gonzalez <marc_gonzalez@sigmadesigns.com> writes:
> On 20/11/2015 09:50, Valentin Rothberg wrote:
>
>> your commit ed12dfc92f01 ("clk: tango4: clkgen driver for Tango4
>> platforms") has shown up in today's linux-next tree (i.e.,
>> next-20151120) adding the following build condition to the tango4 clk
>> driver:
>>
>> drivers/clk/Makefile:45:obj-$(CONFIG_ARCH_TANGOX) += clk-tango4.o
>>
>> However, ARCH_TANGOX is nowhere defined in Kconfig so that the driver
>> cannot be compiled at the current state. I checked the LKML, and found
>> a bunch of patches referencing ARCH_TANGOX as well, but I could not find
>> any patch adding this option.
>>
>> Is there a patch queued somewhere that adds ARCH_TANGOX?
>
> Hello Valentin,
>
> Platform support has not been accepted yet.
>
> http://thread.gmane.org/gmane.linux.ports.arm.kernel/456280
>
> In fact, Kevin Hilman has pointed out that the arch should not
> be called TANGOX, because X is a wildcard.
>
> (However, several unrelated drivers have been submitted with
> TANGOX in the name. Is that a problem?)
>
> tango3 was a MIPS-based design
> tango4 is an ARM-based design (with one MIPS-based outlier).
> tango5 is an ARM-based design
>
> Although Mans is against the idea, I believe there should be one
> different clk driver for each arch.
It's essentially the same clock generator. It should be a single
driver.
--
Måns Rullgård
mans@mansr.com
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