On 02/20/2013 12:05 AM, Joseph Lo wrote:
> Updating the sdhci-tegra driver to use mmc_of_parse to support standard
> MMC DT bindings. Then we can remove the redundant code that already support
> static unsigned int tegra_sdhci_get_ro(struct sdhci_host *host)
> {
> - struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
> - struct sdhci_tegra *tegra_host = pltfm_host->priv;
> -
> - if (!gpio_is_valid(tegra_host->wp_gpio))
> - return -1;
> -
> - return gpio_get_value(tegra_host->wp_gpio);
> + return mmc_gpio_get_ro(host->mmc);
> }
It'd be nice if there was a standard version of this function that could
be plugged directly into struct sdhci_ops, so that each individual
driver doesn't have to re-invent this wrapper.
> @@ -220,15 +203,12 @@ static void sdhci_tegra_parse_dt(struct device *dev,
> struct sdhci_tegra *tegra_host)
> {
...
> + struct sdhci_host *host;
...
> + host = platform_get_drvdata(to_platform_device(dev));
> + mmc_of_parse(host->mmc);
> }
It might be simpler to change the function prototype to simply pass in
the host object too.
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