linux-kernel - Re: [PATCH v1 0/3] Transition pxa25x clock to common clocks

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Date:	Sun, 9 Nov 2014 20:11:27 +0400
From:	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>
To:	Robert Jarzmik <robert.jarzmik@...e.fr>
Cc:	Haojian Zhuang <haojian.zhuang@...il.com>,
	Mike Turquette <mturquette@...aro.org>,
	Marek Vasut <marek.vasut@...il.com>,
	Ian Molton <ian.molton@...ethink.co.uk>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	Daniel Mack <zonque@...il.com>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 0/3] Transition pxa25x clock to common clocks

2014-11-09 0:01 GMT+03:00 Robert Jarzmik <robert.jarzmik@...e.fr>:
> Dmitry Eremin-Solenikov <dbaryshkov@...il.com> writes:
>
>> 2014-11-08 20:26 GMT+03:00 Robert Jarzmik <robert.jarzmik@...e.fr>:
>>> Dmitry Eremin-Solenikov <dbaryshkov@...il.com> writes:
>>>
>>>> Hello,
>>>> Tested in qemu (pxa25x target).
>>>>
>>>> 2) sa1100-rtc could not find a clock and thus failed to be probed.
>>>> 4) Got an issue with IrDA driver - it gets -ENODEV for UARTCLK clock
>>>
>>> Hi Dmitry,
>>>
>>> Would you mind retesting with the patch in [1] applied to see if points 2 and 4
>>> are fixed ? Alternatively you can refetch from the github tree, I included that
>>> incremental patch there too.
>>>
>>> If it works correctly for you, could I have your Tested-by ? If not, tell me and
>>> I'll try to figure out what's wrong.
>>
>> Tested in qemu, everything works fine. I will test on the real hardware
>> tomorow.
> Aha, the test.
> Would you at that time do a "cat /sys/kernel/debug/clk/clk_summary" and send it
> to me please ?

Tested-by: Dmitry Eremin-Solenikov <dbaryshkov@...il.com>

Captured on tosa (pxa255):

   clock                         enable_cnt  prepare_cnt        rate
accuracy   phase
----------------------------------------------------------------------------------------
 clk_dummy                                0            0           0
       0 0
 osc_32_768khz                            3            3    32768000
       0 0
    OSTIMER0                              1            1    32768000
       0 0
    sa1100-rtc                            1            1    32768000
       0 0
    GPIO12_CLK                            0            0    32768000
       0 0
    pxa26x-gpio                           0            0    32768000
       0 0
    pxa25x-gpio                           1            1    32768000
       0 0
 osc_3_6864mhz                            3            3     3686400
       0 0
    PWM1                                  0            0     3686400
       0 0
    PWM0                                  0            0     3686400
       0 0
    ASSP                                  0            0     3686400
       0 0
    NSSP                                  0            0     3686400
       0 0
    SSP                                   0            0     3686400
       0 0
    GPIO11_CLK                            1            1     3686400
       0 0
    cpll                                  0            0   398131200
       0 0
       core                               0            0   398131200
       0 0
       run                                0            0   199065600
       0 0
          MEMC                            0            0   199065600
       0 0
          LCD                             0            0   199065600
       0 0
          memory                          0            0    99532800
       0 0
    ppll_147_46mhz                        2            4   147456000
       0 0
       AC97                               1            1    12288000
       0 0
       I2S                                0            0   147456000
       0 0
       HWUART                             0            0    14745600
       0 0
       STUART                             0            1    14745600
       0 0
          pxa2xx-ir                       0            0    14745600
       0 0
       BTUART                             0            1    14745600
       0 0
       FFUART                             1            2    14745600
       0 0
    ppll_95_85mhz                         1            1    95846400
       0 0
       USB                                0            0    47923200
       0 0
       FICP                               0            0    47923200
       0 0
       I2C                                1            1    31948800
       0 0
       MMC                                0            0    19169280
       0 0


>> BTW: It looks like pxa27x also shows the same behaviour wrt. sa1100-rtc and
>> pxa2xx-ir (after reverting a revert).
> Ah yes, you're very right about that.
>
> Same as before, github updated and patch included in this mail.

Could you please also include a revert of
23c4a3a5212701ad34bd30591fa33d7bacef9c5f
into your branch? Otherwise pxa27x is broken in your tree.

>
> Cheers.
>
> --
> Robert
>



-- 
With best wishes
Dmitry
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