Re: [PATCH v2 RESEND] mmc: sdhci-s3c: Use devm_clk_get()

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It looks good to me.

Acked-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>

On 02/14/2013 08:58 PM, Ulf Hansson wrote:
> On 12 February 2013 04:24, Jingoo Han <jg1.han@xxxxxxxxxxx> wrote:
>> Use devm_clk_get() rather than clk_get() to make cleanup paths
>> more simple.
>>
>> Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
>> ---
>> Changes since v1:
>> - modified the commit message
>>
>>  drivers/mmc/host/sdhci-s3c.c |   17 ++---------------
>>  1 files changed, 2 insertions(+), 15 deletions(-)
>>
>> diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
>> index 82a8de1..5aaef5b 100644
>> --- a/drivers/mmc/host/sdhci-s3c.c
>> +++ b/drivers/mmc/host/sdhci-s3c.c
>> @@ -608,7 +608,7 @@ static int sdhci_s3c_probe(struct platform_device *pdev)
>>
>>         platform_set_drvdata(pdev, host);
>>
>> -       sc->clk_io = clk_get(dev, "hsmmc");
>> +       sc->clk_io = devm_clk_get(dev, "hsmmc");
>>         if (IS_ERR(sc->clk_io)) {
>>                 dev_err(dev, "failed to get io clock\n");
>>                 ret = PTR_ERR(sc->clk_io);
>> @@ -623,7 +623,7 @@ static int sdhci_s3c_probe(struct platform_device *pdev)
>>                 char name[14];
>>
>>                 snprintf(name, 14, "mmc_busclk.%d", ptr);
>> -               clk = clk_get(dev, name);
>> +               clk = devm_clk_get(dev, name);
>>                 if (IS_ERR(clk))
>>                         continue;
>>
>> @@ -765,15 +765,9 @@ static int sdhci_s3c_probe(struct platform_device *pdev)
>>  #ifndef CONFIG_PM_RUNTIME
>>         clk_disable_unprepare(sc->clk_bus[sc->cur_clk]);
>>  #endif
>> -       for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
>> -               if (sc->clk_bus[ptr]) {
>> -                       clk_put(sc->clk_bus[ptr]);
>> -               }
>> -       }
>>
>>   err_no_busclks:
>>         clk_disable_unprepare(sc->clk_io);
>> -       clk_put(sc->clk_io);
>>
>>   err_pdata_io_clk:
>>         sdhci_free_host(host);
>> @@ -786,7 +780,6 @@ static int sdhci_s3c_remove(struct platform_device *pdev)
>>         struct sdhci_host *host =  platform_get_drvdata(pdev);
>>         struct sdhci_s3c *sc = sdhci_priv(host);
>>         struct s3c_sdhci_platdata *pdata = sc->pdata;
>> -       int ptr;
>>
>>         if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_cleanup)
>>                 pdata->ext_cd_cleanup(&sdhci_s3c_notify_change);
>> @@ -806,13 +799,7 @@ static int sdhci_s3c_remove(struct platform_device *pdev)
>>  #ifndef CONFIG_PM_RUNTIME
>>         clk_disable_unprepare(sc->clk_bus[sc->cur_clk]);
>>  #endif
>> -       for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
>> -               if (sc->clk_bus[ptr]) {
>> -                       clk_put(sc->clk_bus[ptr]);
>> -               }
>> -       }
>>         clk_disable_unprepare(sc->clk_io);
>> -       clk_put(sc->clk_io);
>>
>>         sdhci_free_host(host);
>>         platform_set_drvdata(pdev, NULL);
>> --
>> 1.7.2.5
>>
>>
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
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> 
> Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
> --
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> 

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