diff mbox

[v3,3/8] mmc: dw_mmc: replace the bus_hz checking point

Message ID 52EF7B6A.6040901@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jaehoon Chung Feb. 3, 2014, 11:20 a.m. UTC
It's right that check immediately whether host->bus_hz is assigned or not.

Signed-off-by: Jaehoon Chung <jh80.chung@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(-)

Comments

Seungwon Jeon Feb. 6, 2014, 11:22 a.m. UTC | #1
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.chung@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.

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
> --
> To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

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Jaehoon Chung Feb. 7, 2014, 2:44 a.m. UTC | #2
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.chung@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
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
>> the body of a message to majordomo@vger.kernel.org
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 
> 

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diff mbox

Patch

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");
 			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);