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From: Wolfram Sang <wsa@the-dreams.de>
To: linux-sh@vger.kernel.org
Subject: Re: [RFC] clk: shmobile: r8a7795: Add SD divider support
Date: Fri, 29 Jan 2016 08:14:27 +0000	[thread overview]
Message-ID: <20160129081427.GA2053@tetsubishi> (raw)
In-Reply-To: <1453465586-12807-1-git-send-email-dirk.behme@de.bosch.com>

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> Having the clock patch applied on top of your renesas/v8-sdhi branch [1] I
> get
> 
> root@salvator-x:/sys/kernel/debug/clk# cat clk_summary
>    clock             enable_cnt  prepare_cnt        rate
> --------------------------------------------------------
> ...
>     .main                     1            1     8333333
>     ...
>        .pll1                  1            1  1599999936
>           .pll1_div2          2            2   799999968
>              hdmi             0            0    24999999
>                 hdmi0         0            0    24999999
>                 hdmi1         0            0    24999999
>              cl               0            0    16666666
>              sd3              0            0    99999996
>                 sdif3         0            0    99999996
>              sd2              0            0    99999996
>                 sdif2         0            0    99999996
>              sd1              0            0    49999998
>                 sdif1         0            0    49999998
>              sd0              0            0    49999998
>                 sdif0         0            0    49999998

This is what I get (with your cleanup patch also applied):

...
    .main                                 1            1     8333333          0 0  
    ...
       .pll1                              1            1  1599999936          0 0  
          .pll1_div2                      3            3   799999968          0 0  
             hdmi                         0            0    24999999          0 0  
                hdmi0                     0            0    24999999          0 0  
                hdmi1                     0            0    24999999          0 0  
             cl                           0            0    16666666          0 0  
             sd3                          1            1   199999992          0 0  
                sdif3                     1            2   199999992          0 0  
             sd2                          0            0    49999998          0 0  
                sdif2                     0            0    49999998          0 0  
             sd1                          0            0    49999998          0 0  
                sdif1                     0            0    49999998          0 0  
             sd0                          1            1    49999998          0 0  
                sdif0                     1            2    49999998          0 0  

Could it be a firmware difference (i.e. bootloader trying to boot from eMMC and
changing values)?

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  parent reply	other threads:[~2016-01-29  8:14 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-22 12:26 [RFC] clk: shmobile: r8a7795: Add SD divider support Dirk Behme
2016-01-25  8:59 ` Geert Uytterhoeven
2016-01-25  9:11 ` Dirk Behme
2016-01-25 19:23 ` Wolfram Sang
2016-01-27  7:14 ` Wolfram Sang
2016-01-27  8:43 ` Geert Uytterhoeven
2016-01-27  9:01 ` Dirk Behme
2016-01-27 13:14 ` Dirk Behme
2016-01-29  8:14 ` Wolfram Sang [this message]
2016-01-29  8:29 ` Dirk Behme

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