linux-kernel - Re: [PATCH v3 5/6] mmc: dw_mmc: add device tree support

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Message-ID: <CAJuYYwTLxEgm3CnPof4ub=XQazJ+PaUG-zk14nGnpBwWsnHMvw@mail.gmail.com>
Date:	Tue, 17 Jul 2012 15:49:58 +0530
From:	Thomas Abraham <thomas.abraham@...aro.org>
To:	Girish K S <girish.shivananjappa@...aro.org>
Cc:	linux-mmc@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	cjb@...top.org, grant.likely@...retlab.ca, rob.herring@...xeda.com,
	linux-samsung-soc@...r.kernel.org, kgene.kim@...sung.com,
	patches@...aro.org
Subject: Re: [PATCH v3 5/6] mmc: dw_mmc: add device tree support

On 16 July 2012 09:45, Girish K S <girish.shivananjappa@...aro.org> wrote:
> On 12 July 2012 18:24, Thomas Abraham <thomas.abraham@...aro.org> wrote:

[...]

>>
>> +#ifdef CONFIG_OF
>> +static struct dw_mci_drv_data synopsis_drv_data = {
>> +       .ctrl_type      = DW_MCI_TYPE_SYNOPSIS,
>> +};
>> +
>> +static const struct of_device_id dw_mci_pltfm_match[] = {
>> +       { .compatible = "snps,dw-mshc",
>> +                       .data = (void *)&synopsis_drv_data, },
>> +       {},
>> +};
>> +MODULE_DEVICE_TABLE(of, dw_mci_pltfm_match);
>> +#else
>> +static const struct of_device_id dw_mci_pltfm_match[];
> the #else and a statement can be completely removed if of_match_ptr is
> used while accessing the dw_mci_pltfm_match in of_match_node function.
>> +#endif
>> +
>>  static int dw_mci_pltfm_probe(struct platform_device *pdev)
>>  {
>>         struct dw_mci *host;
>> @@ -51,6 +67,13 @@ static int dw_mci_pltfm_probe(struct platform_device *pdev)
>>         if (!host->regs)
>>                 goto err_free;
>>         platform_set_drvdata(pdev, host);
>> +
>> +       if (pdev->dev.of_node) {
>> +               const struct of_device_id *match;
>> +               match = of_match_node(dw_mci_pltfm_match, pdev->dev.of_node);
> can be modified to of_match_node(of_match_pt(dw_mci_pltfm_match),
> pdev->dev.of_node);
> This will remove the dummy allocation of variable as mentioned above.
> Also it will be generic in non dt case.

Ok. Thanks for the suggestion. I will modify it as per your suggestion.

Thanks,
Thomas.

[...]
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