Hi Thomas,
> + gpio = of_get_named_gpio(slot_np, "wp-gpios", 0);
> + if (gpio_is_valid(gpio)) {
> + if (devm_gpio_request(host->dev, gpio, "dw-mci-wp"))
> + dev_info(host->dev, "gpio [%d] request failed\n",
> + gpio);
> + } else {
> + dev_info(host->dev, "wp gpio not available");
> + host->pdata->quirks |= DW_MCI_QUIRK_NO_WRITE_PROTECT;
> + }
> +
> + if (host->pdata->quirks & DW_MCI_QUIRK_BROKEN_CARD_DETECTION)
> + return 0;
> +
> + gpio = of_get_named_gpio(slot_np, "samsung,cd-pinmux-gpio", 0);
> + if (gpio_is_valid(gpio)) {
> + if (devm_gpio_request(host->dev, gpio, "dw-mci-cd"))
I'm not sure, but i saw mmc_gpio_request_cd() into drivers/mmc/core/slot-gpio.c.
Can we use this? i think we can use them.
Just my opinion.
Best Regards,
Jaehoon Chung
> + dev_err(host->dev, "gpio [%d] request failed\n", gpio);
> + } else {
> + dev_info(host->dev, "cd gpio not available");
> + }
> +
> + return 0;
> +}
> +
> +/* Exynos5250 controller specific capabilities */
> +static unsigned long exynos5250_dwmmc_caps[4] = {
> + MMC_CAP_UHS_DDR50 | MMC_CAP_1_8V_DDR |
> + MMC_CAP_8_BIT_DATA | MMC_CAP_CMD23,
> + MMC_CAP_CMD23,
> + MMC_CAP_CMD23,
> + MMC_CAP_CMD23,
> +};
> +
> +static struct dw_mci_drv_data exynos5250_drv_data = {
> + .caps = exynos5250_dwmmc_caps,
> + .init = dw_mci_exynos_priv_init,
> + .prepare_command = dw_mci_exynos_prepare_command,
> + .set_ios = dw_mci_exynos_set_ios,
> + .parse_dt = dw_mci_exynos_parse_dt,
> + .setup_bus = dw_mci_exynos_setup_bus,
> +};
> +
> +static const struct of_device_id dw_mci_exynos_match[] = {
> + { .compatible = "samsung,exynos5250-dw-mshc",
> + .data = (void *)&exynos5250_drv_data, },
> + {},
> +};
> +MODULE_DEVICE_TABLE(of, dw_mci_pltfm_match);
> +
> +int dw_mci_exynos_probe(struct platform_device *pdev)
> +{
> + struct dw_mci_drv_data *drv_data;
> + const struct of_device_id *match;
> +
> + match = of_match_node(dw_mci_exynos_match, pdev->dev.of_node);
> + drv_data = match->data;
> + return dw_mci_pltfm_register(pdev, drv_data);
> +}
> +
> +static struct platform_driver dw_mci_exynos_pltfm_driver = {
> + .probe = dw_mci_exynos_probe,
> + .remove = __exit_p(dw_mci_pltfm_remove),
> + .driver = {
> + .name = "dwmmc_exynos",
> + .of_match_table = of_match_ptr(dw_mci_exynos_match),
> + .pm = &dw_mci_pltfm_pmops,
> + },
> +};
> +
> +module_platform_driver(dw_mci_exynos_pltfm_driver);
> +
> +MODULE_DESCRIPTION("Samsung Specific DW-MSHC Driver Extension");
> +MODULE_AUTHOR("Thomas Abraham <thomas.ab@xxxxxxxxxxx");
> +MODULE_LICENSE("GPL v2");
> +MODULE_ALIAS("platform:dwmmc-exynos");
>
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