On 08/17/2016 03:11 PM, Jinguojun wrote:
> Hi
>
> On 2016/8/8 18:46, Jaehoon Chung wrote:
>> Hi,
>>
>> On 08/08/2016 06:10 PM, Shawn Lin wrote:
>>> Hi guy,
>>>
>>> On 2016/8/8 15:10, Jinguojun wrote:
>>>> Hi,maintainers
>>>>
>>>> Pls help to review code,this is the newest patch after your advise
>>
>> Subject..
>>
>> s/UHS-SD/UHS-I/
>>
>>>>
>>>
>>> Please give Jaehoon more time to review your patch before sending a
>>> ping or resending one(~2 weeks), as it's only four days(weekend
>>> included) since v4 was done....IMHO, it's quite bold...
>>>
>>>> Thx
> I apologize for my rudeness.
Don't mind. Feel free to tell me anytime! :)
>>>> On 2016/8/4 10:16, Jin Guojun wrote:
>>>>> mmc: dw_mmc-k3: Hisilicon Hikey have no tuning function in
>>>>> dw_mmc-k3.c,so we must do the tuning function stub when we init UHS card.
>>>>>
>>>
>>> Hrmmm.... remove "mmc: dw_mmc-k3:" from the meat of commit msg。
>>>
>>> And you do nothing for dw_mci_hi6220_execute_tuning, why?
>>> Could you elaborate more..
>>>
>>>
> OK I'll remove the mmc: dw_mmc-k3:,Then Hikey can't support SDR104,so we only support SDR12 SDR25 SD50,and we do not need to do tuning for these modes.
>>>>> V1:add .prepare_command in dw_mmc.c
>>>>> V2:delete .prepare_command, add err = 0 in dw_mci_execute_tuning
>>>>> V3:delete err = 0 in dw_mci_execute_tuning,add .execute_tuning in
>>>>> dw_mmc-k3.c
>>>>> V4:add "linux-mmc@xxxxxxxxxxxxxxx", patch version, Changelog, etc..
>>>
>>> The changelog is totally wrong, namely it should not be listed in the
>>> commit msg...
>>>
> OK I'll delete this part
>>>>>
>>>>> Signed-off-by: Jin Guojun <kid.jin@xxxxxxxxxxxxx>
>>>>> ---
>>>>> drivers/mmc/host/dw_mmc-k3.c | 6 ++++++
>>>>> 1 file changed, 6 insertions(+)
>>>>>
>>>>> diff --git a/drivers/mmc/host/dw_mmc-k3.c b/drivers/mmc/host/dw_mmc-k3.c
>>>>> index 8e9d886..6247894 100644
>>>>> --- a/drivers/mmc/host/dw_mmc-k3.c
>>>>> +++ b/drivers/mmc/host/dw_mmc-k3.c
>>>>> @@ -131,11 +131,17 @@ static void dw_mci_hi6220_set_ios(struct dw_mci *host, struct mmc_ios *ios)
>>>>> host->bus_hz = clk_get_rate(host->biu_clk);
>>>>> }
>>>>>
>>>>> +static int dw_mci_hi6220_execute_tuning(struct dw_mci_slot *slot, u32 opcode)
>>>>> +{
>>>>> + return 0;
>>>>> +}
>>
>>
>> All of UHS-I cards didn't need to do tuning sequence on your SoC? it's strange.
>>
>> I think we can fix more exactly in dw_mmc.c
>> As i know, some UHS cards don't need to send the tuning sequence.
>> (If i know wrong, let me know plz.)
>>
>> But just skipping execute_tuning..I think it's not correct.
>>
>> Best Regards,
>> Jaehoon Chung
>>
> We cant support SDR104 currently.We only turn on SDR12 SDR25 SDR50.
I will send the patch for execute_tuning in dwmmc.c within this week.
After that, could you check that patch? I will add your email to CC. How about?
I think it's better than using the dummy function. :)
Best Regards,
Jaehoon Chung
>>>>> +
>>>>> static const struct dw_mci_drv_data hi6220_data = {
>>>>> .caps = dw_mci_hi6220_caps,
>>>>> .switch_voltage = dw_mci_hi6220_switch_voltage,
>>>>> .set_ios = dw_mci_hi6220_set_ios,
>>>>> .parse_dt = dw_mci_hi6220_parse_dt,
>>>>> + .execute_tuning = dw_mci_hi6220_execute_tuning,
>>>>> };
>>>>>
>>>>> static const struct of_device_id dw_mci_k3_match[] = {
>>>>>
>>>>
>>>> --
>>>> To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
>>>> the body of a message to majordomo@xxxxxxxxxxxxxxx
>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>>>>
>>>
>>>
>>
>>
>> .
>>
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
>
>
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
