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From: magnus.damm@gmail.com (Magnus Damm)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: shmobile: r8a7779: Correct TMU clock support again
Date: Thu, 14 Feb 2013 13:04:35 +0900	[thread overview]
Message-ID: <CANqRtoQtROi1cD3MmykhKLqY+1Y2=f+1Qkmw2bjAaP6yZRPW=Q@mail.gmail.com> (raw)
In-Reply-To: <87a9r7v8xd.wl%kuninori.morimoto.gx@renesas.com>

On Thu, Feb 14, 2013 at 1:03 PM, Kuninori Morimoto
<kuninori.morimoto.gx@renesas.com> wrote:
>
> Hi Simon
>
>> This partially reverts 58079fa7d54a0929d304054ee759187a2ccd3cdf
>> (ARM: shmobile: r8a7779: Correct TMU clock support) and fixes
>> a regression introduced by that patch.
>>
>> Although the documentation I have indicates that the patch above is
>> correct it appears that the change causes the Marzen board to fail to boot
>> as follows.
> (snip)
>> --- a/arch/arm/mach-shmobile/clock-r8a7779.c
>> +++ b/arch/arm/mach-shmobile/clock-r8a7779.c
>> @@ -161,7 +161,7 @@ static struct clk_lookup lookups[] = {
>>       CLKDEV_DEV_ID("ehci-platform.0", &mstp_clks[MSTP100]), /* USB EHCI port0/1 */
>>       CLKDEV_DEV_ID("ohci-platform.0", &mstp_clks[MSTP100]), /* USB OHCI port0/1 */
>>       CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP016]), /* TMU00 */
>> -     CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP015]), /* TMU01 */
>> +     CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP016]), /* TMU01 */
>>       CLKDEV_DEV_ID("sh_tmu.2", &mstp_clks[MSTP014]), /* TMU02 */
>>       CLKDEV_DEV_ID("i2c-rcar.0", &mstp_clks[MSTP030]), /* I2C0 */
>>       CLKDEV_DEV_ID("i2c-rcar.1", &mstp_clks[MSTP029]), /* I2C1 */
>
> Really ???
> Is MSTP value of TMU01 same as TMU00 ?

Usually, the TMU channels are bundled together. So TMU00 may be for
channel 0->3 and TMU01 for 4->6.

Thanks,

/ magnus

  reply	other threads:[~2013-02-14  4:04 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-14  3:43 [PATCH] ARM: shmobile: r8a7779: Correct TMU clock support again Simon Horman
2013-02-14  4:03 ` Kuninori Morimoto
2013-02-14  4:04   ` Magnus Damm [this message]
2013-02-14  4:12     ` Kuninori Morimoto
2013-02-14  4:14       ` Kuninori Morimoto
2013-02-14  4:20       ` Simon Horman
2013-02-14  4:25         ` Kuninori Morimoto
2013-02-14  4:36           ` Simon Horman
2013-02-14  4:42             ` Simon Horman
2013-02-14  5:20               ` Magnus Damm
2013-02-14  8:34                 ` Simon Horman
2013-02-14  4:16     ` Simon Horman
2013-02-14  9:10       ` Paul Mundt
2013-02-14 16:08         ` Simon Horman
2013-02-14 16:18           ` Paul Mundt
2013-02-15 13:53             ` Simon Horman
2013-02-18  0:52               ` Simon Horman
  -- strict thread matches above, loose matches on Subject: below --
2013-02-15 13:35 Simon Horman
2013-02-19  3:49 [GIT PULL] Renesas ARM-based SoC for v3.9 #5 Simon Horman
2013-02-19  3:49 ` [PATCH] ARM: shmobile: r8a7779: Correct TMU clock support again Simon Horman

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