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C++ sdhci_pltfm_free函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中sdhci_pltfm_free函数的典型用法代码示例。如果您正苦于以下问题：C++ sdhci_pltfm_free函数的具体用法？C++ sdhci_pltfm_free怎么用？C++ sdhci_pltfm_free使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了sdhci_pltfm_free函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: sdhci_tegra_remove

static int __devexit sdhci_tegra_remove(struct platform_device *pdev)
{
	struct sdhci_host *host = platform_get_drvdata(pdev);
	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
	struct sdhci_tegra *tegra_host = pltfm_host->priv;
	const struct tegra_sdhci_platform_data *plat = tegra_host->plat;
	int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff);

	sdhci_remove_host(host, dead);

	if (gpio_is_valid(plat->wp_gpio)) {
		tegra_gpio_disable(plat->wp_gpio);
		gpio_free(plat->wp_gpio);
	}

	if (gpio_is_valid(plat->cd_gpio)) {
		free_irq(gpio_to_irq(plat->cd_gpio), host);
		tegra_gpio_disable(plat->cd_gpio);
		gpio_free(plat->cd_gpio);
	}

	if (gpio_is_valid(plat->power_gpio)) {
		tegra_gpio_disable(plat->power_gpio);
		gpio_free(plat->power_gpio);
	}

	clk_disable(pltfm_host->clk);
	clk_put(pltfm_host->clk);

	sdhci_pltfm_free(pdev);

	return 0;
}
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:33，代码来源:sdhci-tegra.c


示例2: sdhci_pxav3_remove

static int __devexit sdhci_pxav3_remove(struct platform_device *pdev)
{
	struct sdhci_host *host = platform_get_drvdata(pdev);
	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
	struct sdhci_pxa *pxa = pltfm_host->priv;
	struct sdhci_pxa_platdata *pdata = pdev->dev.platform_data;

	sdhci_remove_host(host, 1);
	if (pdata && pdata->flags & PXA_FLAG_EN_PM_RUNTIME)
		pm_runtime_disable(&pdev->dev);

	if (pdata)
		pm_qos_remove_request(&pdata->qos_idle);

	clk_disable_unprepare(pltfm_host->clk);
	clk_put(pltfm_host->clk);

	if (pdata && pdata->cd_type == PXA_SDHCI_CD_GPIO &&
			gpio_is_valid(pdata->ext_cd_gpio))
		mmc_gpio_free_cd(host->mmc);

	sdhci_pltfm_free(pdev);
	kfree(pxa);

	platform_set_drvdata(pdev, NULL);

	return 0;
}
开发者ID:TeamRegular，项目名称:android_kernel_samsung_lt02-common，代码行数:28，代码来源:sdhci-pxav3.c


示例3: sdhci_iproc_probe

static int sdhci_iproc_probe(struct platform_device *pdev)
{
	const struct of_device_id *match;
	const struct sdhci_iproc_data *iproc_data;
	struct sdhci_host *host;
	struct sdhci_iproc_host *iproc_host;
	struct sdhci_pltfm_host *pltfm_host;
	int ret;

	match = of_match_device(sdhci_iproc_of_match, &pdev->dev);
	if (!match)
		return -EINVAL;
	iproc_data = match->data;

	host = sdhci_pltfm_init(pdev, iproc_data->pdata, sizeof(*iproc_host));
	if (IS_ERR(host))
		return PTR_ERR(host);

	pltfm_host = sdhci_priv(host);
	iproc_host = sdhci_pltfm_priv(pltfm_host);

	iproc_host->data = iproc_data;

	mmc_of_parse(host->mmc);
	sdhci_get_of_property(pdev);

	host->mmc->caps |= iproc_host->data->mmc_caps;

	pltfm_host->clk = devm_clk_get(&pdev->dev, NULL);
	if (IS_ERR(pltfm_host->clk)) {
		ret = PTR_ERR(pltfm_host->clk);
		goto err;
	}
	ret = clk_prepare_enable(pltfm_host->clk);
	if (ret) {
		dev_err(&pdev->dev, "failed to enable host clk\n");
		goto err;
	}

	if (iproc_host->data->pdata->quirks & SDHCI_QUIRK_MISSING_CAPS) {
		host->caps = iproc_host->data->caps;
		host->caps1 = iproc_host->data->caps1;
	}

	ret = sdhci_add_host(host);
	if (ret)
		goto err_clk;

	return 0;

err_clk:
	clk_disable_unprepare(pltfm_host->clk);
err:
	sdhci_pltfm_free(pdev);
	return ret;
}
开发者ID:AshishNamdev，项目名称:linux，代码行数:56，代码来源:sdhci-iproc.c


示例4: sdhci_pltfm_unregister

int sdhci_pltfm_unregister(struct platform_device *pdev)
{
	struct sdhci_host *host = platform_get_drvdata(pdev);
	int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff);

	sdhci_remove_host(host, dead);
	sdhci_pltfm_free(pdev);

	return 0;
}
开发者ID:0xroot，项目名称:Blackphone-BP1-Kernel，代码行数:10，代码来源:sdhci-pltfm.c


示例5: sdhci_pxav2_remove

static int sdhci_pxav2_remove(struct platform_device *pdev)
{
	struct sdhci_host *host = platform_get_drvdata(pdev);
	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);

	sdhci_remove_host(host, 1);

	clk_disable_unprepare(pltfm_host->clk);
	clk_put(pltfm_host->clk);
	sdhci_pltfm_free(pdev);

	return 0;
}
开发者ID:BORETS24，项目名称:common.git-android-4.4，代码行数:13，代码来源:sdhci-pxav2.c


示例6: sdhci_tegra_remove

static int sdhci_tegra_remove(struct platform_device *pdev)
{
	struct sdhci_host *host = platform_get_drvdata(pdev);
	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
	struct sdhci_tegra *tegra_host = sdhci_pltfm_priv(pltfm_host);

	sdhci_remove_host(host, 0);

	reset_control_assert(tegra_host->rst);
	usleep_range(2000, 4000);
	clk_disable_unprepare(pltfm_host->clk);

	sdhci_pltfm_free(pdev);

	return 0;
}
开发者ID:ezequielgarcia，项目名称:linux，代码行数:16，代码来源:sdhci-tegra.c


示例7: sdhci_msm_remove

static int sdhci_msm_remove(struct platform_device *pdev)
{
	struct sdhci_host *host = platform_get_drvdata(pdev);
	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
	struct sdhci_msm_host *msm_host = pltfm_host->priv;
	int dead = (readl_relaxed(host->ioaddr + SDHCI_INT_STATUS) ==
		    0xffffffff);

	sdhci_remove_host(host, dead);
	sdhci_pltfm_free(pdev);
	clk_disable_unprepare(msm_host->clk);
	clk_disable_unprepare(msm_host->pclk);
	if (!IS_ERR(msm_host->bus_clk))
		clk_disable_unprepare(msm_host->bus_clk);
	return 0;
}
开发者ID:AkyZero，项目名称:wrapfs-latest，代码行数:16，代码来源:sdhci-msm.c


示例8: sdhci_iproc_probe

static int sdhci_iproc_probe(struct platform_device *pdev)
{
	const struct of_device_id *match;
	const struct sdhci_iproc_data *iproc_data;
	struct sdhci_host *host;
	struct sdhci_iproc_host *iproc_host;
	struct sdhci_pltfm_host *pltfm_host;
	int ret;

	match = of_match_device(sdhci_iproc_of_match, &pdev->dev);
	if (!match)
		return -EINVAL;
	iproc_data = match->data;

	host = sdhci_pltfm_init(pdev, iproc_data->pdata, sizeof(*iproc_host));
	if (IS_ERR(host))
		return PTR_ERR(host);

	pltfm_host = sdhci_priv(host);
	iproc_host = sdhci_pltfm_priv(pltfm_host);

	iproc_host->data = iproc_data;

	mmc_of_parse(host->mmc);
	sdhci_get_of_property(pdev);

	/* Enable EMMC 1/8V DDR capable */
	host->mmc->caps |= MMC_CAP_1_8V_DDR;

	pltfm_host->clk = devm_clk_get(&pdev->dev, NULL);
	if (IS_ERR(pltfm_host->clk)) {
		ret = PTR_ERR(pltfm_host->clk);
		goto err;
	}

	if (iproc_host->data->pdata->quirks & SDHCI_QUIRK_MISSING_CAPS) {
		host->caps = iproc_host->data->caps;
		host->caps1 = iproc_host->data->caps1;
	}

	return sdhci_add_host(host);

err:
	sdhci_pltfm_free(pdev);
	return ret;
}
开发者ID:19Dan01，项目名称:linux，代码行数:46，代码来源:sdhci-iproc.c


示例9: sdhci_pxav2_remove

static int __devexit sdhci_pxav2_remove(struct platform_device *pdev)
{
	struct sdhci_host *host = platform_get_drvdata(pdev);
	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
	struct sdhci_pxa *pxa = pltfm_host->priv;

	sdhci_remove_host(host, 1);

	clk_disable(pltfm_host->clk);
	clk_put(pltfm_host->clk);
	sdhci_pltfm_free(pdev);
	kfree(pxa);

	platform_set_drvdata(pdev, NULL);

	return 0;
}
开发者ID:ARMWorks，项目名称:FA_2451_Linux_Kernel，代码行数:17，代码来源:sdhci-pxav2.c


示例10: sdhci_pxav3_remove

static int sdhci_pxav3_remove(struct platform_device *pdev)
{
	struct sdhci_host *host = platform_get_drvdata(pdev);
	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
	struct sdhci_pxa *pxa = pltfm_host->priv;

	pm_runtime_get_sync(&pdev->dev);
	sdhci_remove_host(host, 1);
	pm_runtime_disable(&pdev->dev);

	clk_disable_unprepare(pltfm_host->clk);
	clk_put(pltfm_host->clk);

	sdhci_pltfm_free(pdev);
	kfree(pxa);

	return 0;
}
开发者ID:LuweiLight，项目名称:linux-3.14.35-vbal，代码行数:18，代码来源:sdhci-pxav3.c


示例11: sdhci_pltfm_register

int sdhci_pltfm_register(struct platform_device *pdev,
			 struct sdhci_pltfm_data *pdata)
{
	struct sdhci_host *host;
	int ret = 0;

	host = sdhci_pltfm_init(pdev, pdata);
	if (IS_ERR(host))
		return PTR_ERR(host);

	sdhci_get_of_property(pdev);

	ret = sdhci_add_host(host);
	if (ret)
		sdhci_pltfm_free(pdev);

	return ret;
}
开发者ID:0xroot，项目名称:Blackphone-BP1-Kernel，代码行数:18，代码来源:sdhci-pltfm.c


示例12: sdhci_tegra_remove

static int sdhci_tegra_remove(struct platform_device *pdev)
{
	struct sdhci_host *host = platform_get_drvdata(pdev);
	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
	struct sdhci_tegra *tegra_host = pltfm_host->priv;
	int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff);

	sdhci_remove_host(host, dead);

	if (gpio_is_valid(tegra_host->power_gpio))
		gpio_free(tegra_host->power_gpio);

	clk_disable_unprepare(pltfm_host->clk);
	clk_put(pltfm_host->clk);

	sdhci_pltfm_free(pdev);

	return 0;
}
开发者ID:michabs，项目名称:linux-imx6-3.14，代码行数:19，代码来源:sdhci-tegra.c


示例13: sdhci_msm_remove

static int sdhci_msm_remove(struct platform_device *pdev)
{
	struct sdhci_host *host = platform_get_drvdata(pdev);
	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
	struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host);
	int dead = (readl_relaxed(host->ioaddr + SDHCI_INT_STATUS) ==
		    0xffffffff);

	sdhci_remove_host(host, dead);

	pm_runtime_get_sync(&pdev->dev);
	pm_runtime_disable(&pdev->dev);
	pm_runtime_put_noidle(&pdev->dev);

	clk_bulk_disable_unprepare(ARRAY_SIZE(msm_host->bulk_clks),
				   msm_host->bulk_clks);
	if (!IS_ERR(msm_host->bus_clk))
		clk_disable_unprepare(msm_host->bus_clk);
	sdhci_pltfm_free(pdev);
	return 0;
}
开发者ID:ReneNyffenegger，项目名称:linux，代码行数:21，代码来源:sdhci-msm.c


示例14: sdhci_pxav3_remove

static int __devexit sdhci_pxav3_remove(struct platform_device *pdev)
{
	struct sdhci_host *host = platform_get_drvdata(pdev);
	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
	struct sdhci_pxa *pxa = pltfm_host->priv;
	struct sdhci_pxa_platdata *pdata = pdev->dev.platform_data;

	sdhci_remove_host(host, 1);

	clk_disable_unprepare(pltfm_host->clk);
	clk_put(pltfm_host->clk);

	if (gpio_is_valid(pdata->ext_cd_gpio))
		mmc_gpio_free_cd(host->mmc);

	sdhci_pltfm_free(pdev);
	kfree(pxa);

	platform_set_drvdata(pdev, NULL);

	return 0;
}
开发者ID:vikastaneja，项目名称:linux，代码行数:22，代码来源:sdhci-pxav3.c


示例15: sdhci_at91_probe


//.........这里部分代码省略.........
	}
	/*
	 * We need to check if we have the requested rate for gck because in
	 * some cases this rate could be not supported. If it happens, the rate
	 * is the closest one gck can provide. We have to update the value
	 * of clk mul.
	 */
	real_gck_rate = clk_get_rate(priv->gck);
	if (real_gck_rate != gck_rate) {
		clk_mul = real_gck_rate / (clk_base * 1000000) - 1;
		caps1 &= (~SDHCI_CLOCK_MUL_MASK);
		caps1 |= ((clk_mul << SDHCI_CLOCK_MUL_SHIFT) & SDHCI_CLOCK_MUL_MASK);
		/* Set capabilities in r/w mode. */
		writel(SDMMC_CACR_KEY | SDMMC_CACR_CAPWREN, host->ioaddr + SDMMC_CACR);
		writel(caps1, host->ioaddr + SDHCI_CAPABILITIES_1);
		/* Set capabilities in ro mode. */
		writel(0, host->ioaddr + SDMMC_CACR);
		dev_info(&pdev->dev, "update clk mul to %u as gck rate is %u Hz\n",
			 clk_mul, real_gck_rate);
	}

	/*
	 * We have to set preset values because it depends on the clk_mul
	 * value. Moreover, SDR104 is supported in a degraded mode since the
	 * maximum sd clock value is 120 MHz instead of 208 MHz. For that
	 * reason, we need to use presets to support SDR104.
	 */
	preset_div = DIV_ROUND_UP(real_gck_rate, 24000000) - 1;
	writew(preset_common | preset_div,
	       host->ioaddr + SDHCI_PRESET_FOR_SDR12);
	preset_div = DIV_ROUND_UP(real_gck_rate, 50000000) - 1;
	writew(preset_common | preset_div,
	       host->ioaddr + SDHCI_PRESET_FOR_SDR25);
	preset_div = DIV_ROUND_UP(real_gck_rate, 100000000) - 1;
	writew(preset_common | preset_div,
	       host->ioaddr + SDHCI_PRESET_FOR_SDR50);
	preset_div = DIV_ROUND_UP(real_gck_rate, 120000000) - 1;
	writew(preset_common | preset_div,
	       host->ioaddr + SDHCI_PRESET_FOR_SDR104);
	preset_div = DIV_ROUND_UP(real_gck_rate, 50000000) - 1;
	writew(preset_common | preset_div,
	       host->ioaddr + SDHCI_PRESET_FOR_DDR50);

	clk_prepare_enable(priv->mainck);
	clk_prepare_enable(priv->gck);

	pltfm_host = sdhci_priv(host);
	pltfm_host->priv = priv;

	ret = mmc_of_parse(host->mmc);
	if (ret)
		goto clocks_disable_unprepare;

	sdhci_get_of_property(pdev);

	pm_runtime_get_noresume(&pdev->dev);
	pm_runtime_set_active(&pdev->dev);
	pm_runtime_enable(&pdev->dev);
	pm_runtime_set_autosuspend_delay(&pdev->dev, 50);
	pm_runtime_use_autosuspend(&pdev->dev);

	ret = sdhci_add_host(host);
	if (ret)
		goto pm_runtime_disable;

	/*
	 * When calling sdhci_runtime_suspend_host(), the sdhci layer makes
	 * the assumption that all the clocks of the controller are disabled.
	 * It means we can't get irq from it when it is runtime suspended.
	 * For that reason, it is not planned to wake-up on a card detect irq
	 * from the controller.
	 * If we want to use runtime PM and to be able to wake-up on card
	 * insertion, we have to use a GPIO for the card detection or we can
	 * use polling. Be aware that using polling will resume/suspend the
	 * controller between each attempt.
	 * Disable SDHCI_QUIRK_BROKEN_CARD_DETECTION to be sure nobody tries
	 * to enable polling via device tree with broken-cd property.
	 */
	if (!(host->mmc->caps & MMC_CAP_NONREMOVABLE) &&
	    IS_ERR_VALUE(mmc_gpio_get_cd(host->mmc))) {
		host->mmc->caps |= MMC_CAP_NEEDS_POLL;
		host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION;
	}

	pm_runtime_put_autosuspend(&pdev->dev);

	return 0;

pm_runtime_disable:
	pm_runtime_disable(&pdev->dev);
	pm_runtime_set_suspended(&pdev->dev);
	pm_runtime_put_noidle(&pdev->dev);
clocks_disable_unprepare:
	clk_disable_unprepare(priv->gck);
	clk_disable_unprepare(priv->mainck);
hclock_disable_unprepare:
	clk_disable_unprepare(priv->hclock);
	sdhci_pltfm_free(pdev);
	return ret;
}
开发者ID:manikanta226，项目名称:linux-at91，代码行数:101，代码来源:sdhci-of-at91.c


示例16: sdhci_tegra_probe

static int sdhci_tegra_probe(struct platform_device *pdev)
{
	const struct of_device_id *match;
	const struct sdhci_tegra_soc_data *soc_data;
	struct sdhci_host *host;
	struct sdhci_pltfm_host *pltfm_host;
	struct sdhci_tegra *tegra_host;
	struct clk *clk;
	int rc;

	match = of_match_device(sdhci_tegra_dt_match, &pdev->dev);
	if (!match)
		return -EINVAL;
	soc_data = match->data;

	host = sdhci_pltfm_init(pdev, soc_data->pdata, 0);
	if (IS_ERR(host))
		return PTR_ERR(host);
	pltfm_host = sdhci_priv(host);

	tegra_host = devm_kzalloc(&pdev->dev, sizeof(*tegra_host), GFP_KERNEL);
	if (!tegra_host) {
		dev_err(mmc_dev(host->mmc), "failed to allocate tegra_host\n");
		rc = -ENOMEM;
		goto err_alloc_tegra_host;
	}
	tegra_host->ddr_signaling = false;
	tegra_host->soc_data = soc_data;
	pltfm_host->priv = tegra_host;

	rc = mmc_of_parse(host->mmc);
	if (rc)
		goto err_parse_dt;

	if (tegra_host->soc_data->nvquirks & NVQUIRK_ENABLE_DDR50)
		host->mmc->caps |= MMC_CAP_1_8V_DDR;

	tegra_host->power_gpio = devm_gpiod_get_optional(&pdev->dev, "power",
							 GPIOD_OUT_HIGH);
	if (IS_ERR(tegra_host->power_gpio)) {
		rc = PTR_ERR(tegra_host->power_gpio);
		goto err_power_req;
	}

	clk = devm_clk_get(mmc_dev(host->mmc), NULL);
	if (IS_ERR(clk)) {
		dev_err(mmc_dev(host->mmc), "clk err\n");
		rc = PTR_ERR(clk);
		goto err_clk_get;
	}
	clk_prepare_enable(clk);
	pltfm_host->clk = clk;

	rc = sdhci_add_host(host);
	if (rc)
		goto err_add_host;

	return 0;

err_add_host:
	clk_disable_unprepare(pltfm_host->clk);
err_clk_get:
err_power_req:
err_parse_dt:
err_alloc_tegra_host:
	sdhci_pltfm_free(pdev);
	return rc;
}
开发者ID:a2hojsjsjs，项目名称:linux，代码行数:68，代码来源:sdhci-tegra.c


示例17: sdhci_sprd_probe

static int sdhci_sprd_probe(struct platform_device *pdev)
{
	struct sdhci_host *host;
	struct sdhci_sprd_host *sprd_host;
	struct clk *clk;
	int ret = 0;

	host = sdhci_pltfm_init(pdev, &sdhci_sprd_pdata, sizeof(*sprd_host));
	if (IS_ERR(host))
		return PTR_ERR(host);

	host->dma_mask = DMA_BIT_MASK(64);
	pdev->dev.dma_mask = &host->dma_mask;
	host->mmc_host_ops.request = sdhci_sprd_request;

	host->mmc->caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED |
		MMC_CAP_ERASE | MMC_CAP_CMD23;
	ret = mmc_of_parse(host->mmc);
	if (ret)
		goto pltfm_free;

	sprd_host = TO_SPRD_HOST(host);

	clk = devm_clk_get(&pdev->dev, "sdio");
	if (IS_ERR(clk)) {
		ret = PTR_ERR(clk);
		goto pltfm_free;
	}
	sprd_host->clk_sdio = clk;
	sprd_host->base_rate = clk_get_rate(sprd_host->clk_sdio);
	if (!sprd_host->base_rate)
		sprd_host->base_rate = SDHCI_SPRD_CLK_DEF_RATE;

	clk = devm_clk_get(&pdev->dev, "enable");
	if (IS_ERR(clk)) {
		ret = PTR_ERR(clk);
		goto pltfm_free;
	}
	sprd_host->clk_enable = clk;

	ret = clk_prepare_enable(sprd_host->clk_sdio);
	if (ret)
		goto pltfm_free;

	clk_prepare_enable(sprd_host->clk_enable);
	if (ret)
		goto clk_disable;

	sdhci_sprd_init_config(host);
	host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
	sprd_host->version = ((host->version & SDHCI_VENDOR_VER_MASK) >>
			       SDHCI_VENDOR_VER_SHIFT);

	pm_runtime_get_noresume(&pdev->dev);
	pm_runtime_set_active(&pdev->dev);
	pm_runtime_enable(&pdev->dev);
	pm_runtime_set_autosuspend_delay(&pdev->dev, 50);
	pm_runtime_use_autosuspend(&pdev->dev);
	pm_suspend_ignore_children(&pdev->dev, 1);

	sdhci_enable_v4_mode(host);

	ret = sdhci_setup_host(host);
	if (ret)
		goto pm_runtime_disable;

	sprd_host->flags = host->flags;

	ret = __sdhci_add_host(host);
	if (ret)
		goto err_cleanup_host;

	pm_runtime_mark_last_busy(&pdev->dev);
	pm_runtime_put_autosuspend(&pdev->dev);

	return 0;

err_cleanup_host:
	sdhci_cleanup_host(host);

pm_runtime_disable:
	pm_runtime_disable(&pdev->dev);
	pm_runtime_set_suspended(&pdev->dev);

	clk_disable_unprepare(sprd_host->clk_enable);

clk_disable:
	clk_disable_unprepare(sprd_host->clk_sdio);

pltfm_free:
	sdhci_pltfm_free(pdev);
	return ret;
}
开发者ID:AlexShiLucky，项目名称:linux，代码行数:93，代码来源:sdhci-sprd.c


示例18: sdhci_msm_probe


//.........这里部分代码省略.........
		if (ret)
			goto pltfm_free;
	}

	/* Setup main peripheral bus clock */
	msm_host->pclk = devm_clk_get(&pdev->dev, "iface");
	if (IS_ERR(msm_host->pclk)) {
		ret = PTR_ERR(msm_host->pclk);
		dev_err(&pdev->dev, "Perpheral clk setup failed (%d)\n", ret);
		goto bus_clk_disable;
	}

	ret = clk_prepare_enable(msm_host->pclk);
	if (ret)
		goto bus_clk_disable;

	/* Setup SDC MMC clock */
	msm_host->clk = devm_clk_get(&pdev->dev, "core");
	if (IS_ERR(msm_host->clk)) {
		ret = PTR_ERR(msm_host->clk);
		dev_err(&pdev->dev, "SDC MMC clk setup failed (%d)\n", ret);
		goto pclk_disable;
	}

	/* Vote for maximum clock rate for maximum performance */
	ret = clk_set_rate(msm_host->clk, INT_MAX);
	if (ret)
		dev_warn(&pdev->dev, "core clock boost failed\n");

	ret = clk_prepare_enable(msm_host->clk);
	if (ret)
		goto pclk_disable;

	core_memres = platform_get_resource(pdev, IORESOURCE_MEM, 1);
	msm_host->core_mem = devm_ioremap_resource(&pdev->dev, core_memres);

	if (IS_ERR(msm_host->core_mem)) {
		dev_err(&pdev->dev, "Failed to remap registers\n");
		ret = PTR_ERR(msm_host->core_mem);
		goto clk_disable;
	}

	/* Reset the core and Enable SDHC mode */
	writel_relaxed(readl_relaxed(msm_host->core_mem + CORE_POWER) |
		       CORE_SW_RST, msm_host->core_mem + CORE_POWER);

	/* SW reset can take upto 10HCLK + 15MCLK cycles. (min 40us) */
	usleep_range(1000, 5000);
	if (readl(msm_host->core_mem + CORE_POWER) & CORE_SW_RST) {
		dev_err(&pdev->dev, "Stuck in reset\n");
		ret = -ETIMEDOUT;
		goto clk_disable;
	}

	/* Set HC_MODE_EN bit in HC_MODE register */
	writel_relaxed(HC_MODE_EN, (msm_host->core_mem + CORE_HC_MODE));

	host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
	host->quirks |= SDHCI_QUIRK_SINGLE_POWER_WRITE;

	host_version = readw_relaxed((host->ioaddr + SDHCI_HOST_VERSION));
	dev_dbg(&pdev->dev, "Host Version: 0x%x Vendor Version 0x%x\n",
		host_version, ((host_version & SDHCI_VENDOR_VER_MASK) >>
			       SDHCI_VENDOR_VER_SHIFT));

	core_version = readl_relaxed(msm_host->core_mem + CORE_MCI_VERSION);
	core_major = (core_version & CORE_VERSION_MAJOR_MASK) >>
		      CORE_VERSION_MAJOR_SHIFT;
	core_minor = core_version & CORE_VERSION_MINOR_MASK;
	dev_dbg(&pdev->dev, "MCI Version: 0x%08x, major: 0x%04x, minor: 0x%02x\n",
		core_version, core_major, core_minor);

	/*
	 * Support for some capabilities is not advertised by newer
	 * controller versions and must be explicitly enabled.
	 */
	if (core_major >= 1 && core_minor != 0x11 && core_minor != 0x12) {
		caps = readl_relaxed(host->ioaddr + SDHCI_CAPABILITIES);
		caps |= SDHCI_CAN_VDD_300 | SDHCI_CAN_DO_8BIT;
		writel_relaxed(caps, host->ioaddr +
			       CORE_VENDOR_SPEC_CAPABILITIES0);
	}

	ret = sdhci_add_host(host);
	if (ret)
		goto clk_disable;

	return 0;

clk_disable:
	clk_disable_unprepare(msm_host->clk);
pclk_disable:
	clk_disable_unprepare(msm_host->pclk);
bus_clk_disable:
	if (!IS_ERR(msm_host->bus_clk))
		clk_disable_unprepare(msm_host->bus_clk);
pltfm_free:
	sdhci_pltfm_free(pdev);
	return ret;
}
开发者ID:BORETS24，项目名称:common.git-android-4.4，代码行数:101，代码来源:sdhci-msm.c


示例19: sdhci_pxav3_probe

static int __devinit sdhci_pxav3_probe(struct platform_device *pdev)
{
	struct sdhci_pltfm_host *pltfm_host;
	struct sdhci_pxa_platdata *pdata = pdev->dev.platform_data;
	struct device *dev = &pdev->dev;
	struct sdhci_host *host = NULL;
	struct sdhci_pxa *pxa = NULL;
	const struct of_device_id *match;

	int ret;
	struct clk *clk;

	pxa = kzalloc(sizeof(struct sdhci_pxa), GFP_KERNEL);
	if (!pxa)
		return -ENOMEM;

	host = sdhci_pltfm_init(pdev, NULL);
	if (IS_ERR(host)) {
		kfree(pxa);
		return PTR_ERR(host);
	}
	pltfm_host = sdhci_priv(host);
	pltfm_host->priv = pxa;

	clk = clk_get(dev, NULL);
	if (IS_ERR(clk)) {
		dev_err(dev, "failed to get io clock\n");
		ret = PTR_ERR(clk);
		goto err_clk_get;
	}
	pltfm_host->clk = clk;
	clk_prepare_enable(clk);

	host->quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL
		| SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC
		| SDHCI_QUIRK_32BIT_ADMA_SIZE
		| SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN;

	/* enable 1/8V DDR capable */
	host->mmc->caps |= MMC_CAP_1_8V_DDR;

	match = of_match_device(of_match_ptr(sdhci_pxav3_of_match), &pdev->dev);
	if (match)
		pdata = pxav3_get_mmc_pdata(dev);

	if (pdata) {
		if (pdata->flags & PXA_FLAG_CARD_PERMANENT) {
			/* on-chip device */
			host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
			host->mmc->caps |= MMC_CAP_NONREMOVABLE;
		}

		/* If slot design supports 8 bit data, indicate this to MMC. */
		if (pdata->flags & PXA_FLAG_SD_8_BIT_CAPABLE_SLOT)
			host->mmc->caps |= MMC_CAP_8_BIT_DATA;

		if (pdata->quirks)
			host->quirks |= pdata->quirks;
		if (pdata->quirks2)
			host->quirks2 |= pdata->quirks2;
		if (pdata->host_caps)
			host->mmc->caps |= pdata->host_caps;
		if (pdata->host_caps2)
			host->mmc->caps2 |= pdata->host_caps2;
		if (pdata->pm_caps)
			host->mmc->pm_caps |= pdata->pm_caps;

		if (gpio_is_valid(pdata->ext_cd_gpio)) {
			ret = mmc_gpio_request_cd(host->mmc, pdata->ext_cd_gpio);
			if (ret) {
				dev_err(mmc_dev(host->mmc),
					"failed to allocate card detect gpio\n");
				goto err_cd_req;
			}
		}
	}

	host->ops = &pxav3_sdhci_ops;

	sdhci_get_of_property(pdev);

	ret = sdhci_add_host(host);
	if (ret) {
		dev_err(&pdev->dev, "failed to add host\n");
		goto err_add_host;
	}

	platform_set_drvdata(pdev, host);

	return 0;

err_add_host:
	clk_disable_unprepare(clk);
	clk_put(clk);
	mmc_gpio_free_cd(host->mmc);
err_cd_req:
err_clk_get:
	sdhci_pltfm_free(pdev);
	kfree(pxa);
	return ret;
//.........这里部分代码省略.........
开发者ID:vikastaneja，项目名称:linux，代码行数:101，代码来源:sdhci-pxav3.c


示例20: sdhci_msm_probe


//.........这里部分代码省略.........
	host = sdhci_pltfm_init(pdev, &msm_host->sdhci_msm_pdata, 0);
	if (IS_ERR(host))
		return PTR_ERR(host);

	pltfm_host = sdhci_priv(host);
	pltfm_host->priv = msm_host;
	msm_host->mmc = host->mmc;
	msm_host->pdev = pdev;

	ret = mmc_of_parse(host->mmc);
	if (ret)
		goto pltfm_free;

	sdhci_get_of_property(pdev);

	/* Setup SDCC bus voter clock. */
	msm_host->bus_clk = devm_clk_get(&pdev->dev, "bus");
	if (!IS_ERR(msm_host->bus_clk)) {
		/* Vote for max. clk rate for max. performance */
		ret = clk_set_rate(msm_host->bus_clk, INT_MAX);
		if (ret)
			goto pltfm_free;
		ret = clk_prepare_enable(msm_host->bus_clk);
		if (ret)
			goto pltfm_free;
	}

	/* Setup main peripheral bus clock */
	msm_host->pclk = devm_clk_get(&pdev->dev, "iface");
	if (IS_ERR(msm_host->pclk)) {
		ret = PTR_ERR(msm_host->pclk);
		dev_err(&pdev->dev, "Perpheral clk setup failed (%d)\n", ret);
		goto bus_clk_disable;
	}

	ret = clk_prepare_enable(msm_host->pclk);
	if (ret)
		goto bus_clk_disable;

	/* Setup SDC MMC clock */
	msm_host->clk = devm_clk_get(&pdev->dev, "core");
	if (IS_ERR(msm_host->clk)) {
		ret = PTR_ERR(msm_host->clk);
		dev_err(&pdev->dev, "SDC MMC clk setup failed (%d)\n", ret);
		goto pclk_disable;
	}

	ret = clk_prepare_enable(msm_host->clk);
	if (ret)
		goto pclk_disable;

	core_memres = platform_get_resource(pdev, IORESOURCE_MEM, 1);
	msm_host->core_mem = devm_ioremap_resource(&pdev->dev, core_memres);

	if (IS_ERR(msm_host->core_mem)) {
		dev_err(&pdev->dev, "Failed to remap registers\n");
		ret = PTR_ERR(msm_host->core_mem);
		goto clk_disable;
	}

	/* Reset the core and Enable SDHC mode */
	writel_relaxed(readl_relaxed(msm_host->core_mem + CORE_POWER) |
		       CORE_SW_RST, msm_host->core_mem + CORE_POWER);

	/* SW reset can take upto 10HCLK + 15MCLK cycles. (min 40us) */
	usleep_range(1000, 5000);
	if (readl(msm_host->core_mem + CORE_POWER) & CORE_SW_RST) {
		dev_err(&pdev->dev, "Stuck in reset\n");
		ret = -ETIMEDOUT;
		goto clk_disable;
	}

	/* Set HC_MODE_EN bit in HC_MODE register */
	writel_relaxed(HC_MODE_EN, (msm_host->core_mem + CORE_HC_MODE));

	host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
	host->quirks |= SDHCI_QUIRK_SINGLE_POWER_WRITE;

	host_version = readw_relaxed((host->ioaddr + SDHCI_HOST_VERSION));
	dev_dbg(&pdev->dev, "Host Version: 0x%x Vendor Version 0x%x\n",
		host_version, ((host_version & SDHCI_VENDOR_VER_MASK) >>
			       SDHCI_VENDOR_VER_SHIFT));

	ret = sdhci_add_host(host);
	if (ret)
		goto clk_disable;

	return 0;

clk_disable:
	clk_disable_unprepare(msm_host->clk);
pclk_disable:
	clk_disable_unprepare(msm_host->pclk);
bus_clk_disable:
	if (!IS_ERR(msm_host->bus_clk))
		clk_disable_unprepare(msm_host->bus_clk);
pltfm_free:
	sdhci_pltfm_free(pdev);
	return ret;
}
开发者ID:AkyZero，项目名称:wrapfs-latest，代码行数:101，代码来源:sdhci-msm.c



注：本文中的sdhci_pltfm_free函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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