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From: Wolfgang Grandegger <wg@grandegger.com>
To: Ben Dooks <ben-linux@fluff.org>
Cc: Linux/PPC Development <linuxppc-dev@ozlabs.org>,
	devicetree-discuss <devicetree-discuss@ozlabs.org>,
	linux-i2c@vger.kernel.org
Subject: Re: [PATCH v3 0/5] i2c: i2c-mpc: make I2C bus speed configurable
Date: Mon, 20 Apr 2009 11:01:10 +0200	[thread overview]
Message-ID: <49EC39D6.8020404@grandegger.com> (raw)
In-Reply-To: <49DDC718.8000706@grandegger.com>

Hi Ben,

Wolfgang Grandegger wrote:
> Wolfgang Grandegger wrote:
>> Kumar Gala wrote:
>>> On Apr 8, 2009, at 2:25 AM, Wolfgang Grandegger wrote:
>>>
>>>>> So I'm a bit concerned with the output we now get:
>>>>>
>>>>> mpc-i2c fffe03000.i2c: clock 0 Hz (dfsrr=16 fdr=49)
>>>>>
>>>>> why 0? is that right?
>>>> This is the backward compatibility mode using hard-coded FDR values. The
>>>> output is missleading, I agree.
>>>>
>>>> Wolfgang.
>>> Can the output be fixed.  0 Hz seemed bad to me.
>> Of course. No info message will be printed for the legacy case
>> like it was with the old driver version. I just realized a bug in the
>> MPC52xx part. Will send patches tomorrow, after some more thorough testing.
> 
> The patch below fixes both issues. Ben, could you please apply it. Sorry for
> the inconvenience caused.
> 
> Thanks,
> 
> Wolfgang.
> 
> 
> 
> [PATCH] i2c: i2c-mpc: bug fix for MPC52xx clock setting and printout
> 
> The clock setting did not work for the MPC52xx due to a stupid bug.
> Furthermore, the dev info output "clock=0" for old device trees was
> misleading. This patch fixes both issues.
> 
> Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>

Could you please apply this bug-fix for the MPC driver for 2.6.30.

  http://marc.info/?l=linux-i2c&m=123927120910293&w=2

Thanks,

Wolfgang.

  reply	other threads:[~2009-04-20  9:01 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-07  8:20 [PATCH v3 0/5] i2c: i2c-mpc: make I2C bus speed configurable Wolfgang Grandegger
2009-04-07  8:20 ` [PATCH v3 1/5] i2c: i2c-mpc: various coding style fixes Wolfgang Grandegger
     [not found]   ` <20090407082231.177941706-ynQEQJNshbs@public.gmane.org>
2009-04-07 15:36     ` Grant Likely
2009-04-07  8:20 ` [PATCH v3 2/5] i2c: i2c-mpc: use dev based printout function Wolfgang Grandegger
     [not found]   ` <20090407082231.335327816-ynQEQJNshbs@public.gmane.org>
2009-04-07 15:37     ` Grant Likely
2009-04-07  8:20 ` [PATCH v3 3/5] i2c: i2c-mpc: make I2C bus speed configurable Wolfgang Grandegger
     [not found]   ` <20090407082231.500525932-ynQEQJNshbs@public.gmane.org>
2009-04-07 15:36     ` Grant Likely
2009-04-07  8:20 ` [PATCH v3 4/5] powerpc: i2c-mpc: document new FSL I2C bindings and cleanup Wolfgang Grandegger
     [not found]   ` <20090407082231.646648985-ynQEQJNshbs@public.gmane.org>
2009-04-07 15:43     ` Grant Likely
2009-04-08  5:13     ` Kumar Gala
2009-04-07  8:20 ` [PATCH v3 5/5] powerpc/85xx: i2c-mpc: use new I2C bindings for the Socates board Wolfgang Grandegger
     [not found]   ` <20090407082231.803193635-ynQEQJNshbs@public.gmane.org>
2009-04-07 15:43     ` Grant Likely
2009-04-08  7:16       ` Wolfgang Grandegger
2009-04-08 14:53         ` Grant Likely
     [not found]           ` <fa686aa40904080753p2b282338r9ba463c47f897fb-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-04-08 18:27             ` Wolfgang Grandegger
     [not found]               ` <49DCEC80.2050507-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
2009-04-08 18:43                 ` Kumar Gala
     [not found]                   ` <C3323B74-40FE-41BC-A49C-C94D7DB3FF5A-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
2009-04-08 18:53                     ` Wolfgang Grandegger
     [not found] ` <20090407082052.477328750-ynQEQJNshbs@public.gmane.org>
2009-04-08  5:11   ` [PATCH v3 0/5] i2c: i2c-mpc: make I2C bus speed configurable Kumar Gala
     [not found]     ` <53B42D49-C040-442E-8448-7BC3190220A5-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
2009-04-08  5:16       ` Grant Likely
2009-04-08  5:22         ` Kumar Gala
2009-04-08  5:32           ` Grant Likely
     [not found]           ` <5FDB097C-7D71-41DF-A4F4-2DE34FD710C5-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
2009-04-08  7:21             ` Wolfgang Grandegger
2009-04-08 17:03           ` Scott Wood
2009-04-08 17:49             ` Kumar Gala
2009-04-08  5:28     ` Kumar Gala
     [not found]       ` <F4E3E1FF-C544-460A-AC27-DB9501C13ED3-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
2009-04-08  7:25         ` Wolfgang Grandegger
     [not found]           ` <49DC515F.3040100-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
2009-04-08 15:21             ` Kumar Gala
     [not found]               ` <E9E24C93-F147-49F0-9FBE-FCE4883D11BF-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
2009-04-08 19:55                 ` Wolfgang Grandegger
2009-04-09  9:59                   ` Wolfgang Grandegger
2009-04-20  9:01                     ` Wolfgang Grandegger [this message]
2009-04-20 13:26                       ` Grant Likely

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