[U-Boot] [PATCH 1/2] i2c: ti: Update SCLH and SCLL to be in sync with v4.9 Linux kernel

Heiko Schocher hs at denx.de
Mon Mar 27 08:46:32 UTC 2017


Hello Lukasz,

Am 27.03.2017 um 10:04 schrieb Lukasz Majewski:
> Dear All,
>
>> v4.9 Linux release:
>> SHA1: 69973b830859bc6529a7a0468ba0d80ee5117826
>> in the ./drivers/i2c/busses/i2c-omap.c
>>
>> recommends to use SCLH=5 and SCLL=7 values.
>> This patch sets them to default.
>
> Any comments on this?

I am fine with it, it is in my queue for sending a pull
request to Tom.

bye,
Heiko
>
>>
>> Signed-off-by: Lukasz Majewski <lukma at denx.de>
>> ---
>>   drivers/i2c/omap24xx_i2c.h | 10 +++++-----
>>   1 file changed, 5 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/i2c/omap24xx_i2c.h b/drivers/i2c/omap24xx_i2c.h
>> index 3dae295..8a4ae98 100644
>> --- a/drivers/i2c/omap24xx_i2c.h
>> +++ b/drivers/i2c/omap24xx_i2c.h
>> @@ -121,17 +121,17 @@
>>    * scll_trim = 7
>>    * sclh_trim = 5
>>    *
>> - * The linux 2.6.30 kernel uses
>> - * scll_trim = 6
>> - * sclh_trim = 6
>> + * The linux 4.9 kernel uses
>> + * scll_trim = 7
>> + * sclh_trim = 5
>>    *
>>    * These are the trim values for standard and fast speed
>>    */
>>   #ifndef I2C_FASTSPEED_SCLL_TRIM
>> -#define I2C_FASTSPEED_SCLL_TRIM		6
>> +#define I2C_FASTSPEED_SCLL_TRIM		7
>>   #endif
>>   #ifndef I2C_FASTSPEED_SCLH_TRIM
>> -#define I2C_FASTSPEED_SCLH_TRIM		6
>> +#define I2C_FASTSPEED_SCLH_TRIM		5
>>   #endif
>>
>>   /* These are the trim values for high speed */
>
>
>
>
> Best regards,
>
> Lukasz Majewski
>
> --
>
> DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
>

-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany


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