Dear Seungwon,

On 02/06/2014 08:22 PM, Seungwon Jeon wrote:
> Hi Jaehoon,
> 
> Please check minor thing below.
> 
> On Mon, February 03, 2014, Jaehoon Chung wrote:
>> It's right that check immediately whether host->bus_hz is assigned or not.
>>
>> Signed-off-by: Jaehoon Chung <jh80.ch...@samsung.com>
>> ---
>> Changelog V3:
>>      - Maintained original place for the drv_data->setup_clock
>> Changelog V2:
>>      - When drv_data->setup_clock is present, set to bus_hz with it.
>>
>>  drivers/mmc/host/dw_mmc.c |   22 ++++++++++------------
>>  1 file changed, 10 insertions(+), 12 deletions(-)
>>
>> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
>> index 8193e21..e7357b8 100644
>> --- a/drivers/mmc/host/dw_mmc.c
>> +++ b/drivers/mmc/host/dw_mmc.c
>> @@ -2427,12 +2427,19 @@ int dw_mci_probe(struct dw_mci *host)
>>                      ret = clk_set_rate(host->ciu_clk, host->pdata->bus_hz);
>>                      if (ret)
>>                              dev_warn(host->dev,
>> -                                     "Unable to set bus rate to %ul\n",
>> +                                     "Unable to set bus rate to %uHz\n",
>>                                       host->pdata->bus_hz);
>>              }
>>              host->bus_hz = clk_get_rate(host->ciu_clk);
>>      }
>>
>> +    if (!host->bus_hz) {
>> +            dev_err(host->dev,
>> +                    "Platform data must supply bus speed\n");
>> +            ret = -ENODEV;
>> +            goto err_clk_ciu;
>> +    }
>> +
>>      if (drv_data && drv_data->init) {
>>              ret = drv_data->init(host);
>>              if (ret) {
>> @@ -2445,8 +2452,8 @@ int dw_mci_probe(struct dw_mci *host)
>>      if (drv_data && drv_data->setup_clock) {
>>              ret = drv_data->setup_clock(host);
>>              if (ret) {
>> -                    dev_err(host->dev,
>> -                            "implementation specific clock setup failed\n");
>> +                    dev_err(host->dev, "implementation specific "
>> +                            "clock setup failed\n");
> Rather, this change makes cherry-pick warning.
> Keep it.

Check it.

Best Regards,
Jaehoon Chung
> 
> Thanks,
> Seungwon Jeon
>>                      goto err_clk_ciu;
>>              }
>>      }
>> @@ -2469,13 +2476,6 @@ int dw_mci_probe(struct dw_mci *host)
>>              }
>>      }
>>
>> -    if (!host->bus_hz) {
>> -            dev_err(host->dev,
>> -                    "Platform data must supply bus speed\n");
>> -            ret = -ENODEV;
>> -            goto err_regulator;
>> -    }
>> -
>>      host->quirks = host->pdata->quirks;
>>
>>      spin_lock_init(&host->lock);
>> @@ -2619,8 +2619,6 @@ err_workqueue:
>>  err_dmaunmap:
>>      if (host->use_dma && host->dma_ops->exit)
>>              host->dma_ops->exit(host);
>> -
>> -err_regulator:
>>      if (host->vmmc)
>>              regulator_disable(host->vmmc);
>>
>> --
>> 1.7.9.5
>> --
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> 
> 

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