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C++ sdhci_free_host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_free_host函数的典型用法代码示例。如果您正苦于以下问题:C++ sdhci_free_host函数的具体用法?C++ sdhci_free_host怎么用?C++ sdhci_free_host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_free_host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_bcm2708_remove

static int sdhci_bcm2708_remove(struct platform_device *pdev)
{
	struct sdhci_host *host = platform_get_drvdata(pdev);
	struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	struct sdhci_bcm2708_priv *host_priv = SDHCI_HOST_PRIV(host);
	int dead;
	u32 scratch;

	dead = 0;
	scratch = sdhci_bcm2708_readl(host, SDHCI_INT_STATUS);
	if (scratch == (u32)-1)
		dead = 1;

	device_remove_file(&pdev->dev, &dev_attr_status);
	device_remove_file(&pdev->dev, &dev_attr_dma_wait);
	device_remove_file(&pdev->dev, &dev_attr_use_dma);

#ifdef CONFIG_MMC_SDHCI_BCM2708_DMA
	free_irq(host_priv->dma_irq, host);
	dma_free_writecombine(&pdev->dev, SZ_4K, host_priv->cb_base,
			      host_priv->cb_handle);
#endif
	sdhci_remove_host(host, dead);
	iounmap(host->ioaddr);
	release_mem_region(iomem->start, resource_size(iomem));
	sdhci_free_host(host);
	platform_set_drvdata(pdev, NULL);

	return 0;
}
开发者ID:LinuxEmbed,项目名称:LinuxEmbed-RPI-Linux,代码行数:30,代码来源:sdhci-bcm2708.c


示例2: sdhci_pltfm_remove

static int __devexit sdhci_pltfm_remove(struct platform_device *pdev)
{
	const struct platform_device_id *platid = platform_get_device_id(pdev);
	const struct of_device_id *dtid = sdhci_get_of_device_id(pdev);
	struct sdhci_pltfm_data *pdata;
	struct sdhci_host *host = platform_get_drvdata(pdev);
	struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	int dead;
	u32 scratch;

	if (platid && platid->driver_data)
		pdata = (void *)platid->driver_data;
	else if (dtid && dtid->data)
		pdata = dtid->data;
	else
		pdata = pdev->dev.platform_data;

	dead = 0;
	scratch = readl(host->ioaddr + SDHCI_INT_STATUS);
	if (scratch == (u32)-1)
		dead = 1;

	sdhci_remove_host(host, dead);
	if (pdata && pdata->exit)
		pdata->exit(host);
	iounmap(host->ioaddr);
	release_mem_region(iomem->start, resource_size(iomem));
	sdhci_free_host(host);
	platform_set_drvdata(pdev, NULL);

	return 0;
}
开发者ID:1N4148,项目名称:android_kernel_samsung_golden,代码行数:32,代码来源:sdhci-pltfm.c


示例3: sdhci_s3c_remove

static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
{
	struct s3c_sdhci_platdata *pdata = pdev->dev.platform_data;
	struct sdhci_host *host =  platform_get_drvdata(pdev);
	struct sdhci_s3c *sc = sdhci_priv(host);
	int ptr;

	if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_cleanup)
		pdata->ext_cd_cleanup(&sdhci_s3c_notify_change);

	if (sc->ext_cd_irq)
		free_irq(sc->ext_cd_irq, sc);

	if (gpio_is_valid(sc->ext_cd_gpio))
		gpio_free(sc->ext_cd_gpio);

	sdhci_remove_host(host, 1);

	pm_runtime_disable(&pdev->dev);

	for (ptr = 0; ptr < 3; ptr++) {
		if (sc->clk_bus[ptr]) {
			clk_disable(sc->clk_bus[ptr]);
			clk_put(sc->clk_bus[ptr]);
		}
	}
	clk_disable(sc->clk_io);
	clk_put(sc->clk_io);

	sdhci_free_host(host);
	platform_set_drvdata(pdev, NULL);

	return 0;
}
开发者ID:AllenWeb,项目名称:linux,代码行数:34,代码来源:sdhci-s3c.c


示例4: sdhci_s3c_remove

static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
{
	struct sdhci_host *host =  platform_get_drvdata(pdev);
	struct sdhci_s3c *sc = sdhci_priv(host);
	int ptr;

	sdhci_remove_host(host, 1);

	for (ptr = 0; ptr < 3; ptr++) {
		if (sc->clk_bus[ptr]) {
			clk_disable(sc->clk_bus[ptr]);
			clk_put(sc->clk_bus[ptr]);
		}
	}
	clk_disable(sc->clk_io);
	clk_put(sc->clk_io);

	iounmap(host->ioaddr);
	release_resource(sc->ioarea);
	kfree(sc->ioarea);

	sdhci_free_host(host);
	platform_set_drvdata(pdev, NULL);

	destroy_workqueue(sc->regulator_workq);

	return 0;
}
开发者ID:morristech,项目名称:enigma-i9100,代码行数:28,代码来源:sdhci-s3c.c


示例5: sdhci_s3c_remove

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;

	if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_cleanup)
		pdata->ext_cd_cleanup(&sdhci_s3c_notify_change);

	if (sc->ext_cd_irq)
		free_irq(sc->ext_cd_irq, sc);

#ifdef CONFIG_PM_RUNTIME
	if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
		clk_prepare_enable(sc->clk_io);
#endif
	sdhci_remove_host(host, 1);

	pm_runtime_dont_use_autosuspend(&pdev->dev);
	pm_runtime_disable(&pdev->dev);

#ifndef CONFIG_PM_RUNTIME
	clk_disable_unprepare(sc->clk_bus[sc->cur_clk]);
#endif
	clk_disable_unprepare(sc->clk_io);

	sdhci_free_host(host);
	platform_set_drvdata(pdev, NULL);

	return 0;
}
开发者ID:garyvan,项目名称:openwrt-1.6,代码行数:31,代码来源:sdhci-s3c.c


示例6: sdhci_remove

static int __devexit sdhci_remove(struct platform_device *pdev)
{
	struct sdhci_host *host = platform_get_drvdata(pdev);
	struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	struct spear_sdhci *sdhci = dev_get_platdata(&pdev->dev);
	int dead;
	u32 scratch;

	if (sdhci->data) {
		if (sdhci->data->card_int_gpio >= 0) {
			free_irq(gpio_to_irq(sdhci->data->card_int_gpio), pdev);
			gpio_free(sdhci->data->card_int_gpio);
		}

		if (sdhci->data->card_power_gpio >= 0)
			gpio_free(sdhci->data->card_power_gpio);
	}

	platform_set_drvdata(pdev, NULL);
	dead = 0;
	scratch = readl(host->ioaddr + SDHCI_INT_STATUS);
	if (scratch == (u32)-1)
		dead = 1;

	sdhci_remove_host(host, dead);
	iounmap(host->ioaddr);
	sdhci_free_host(host);
	clk_disable(sdhci->clk);
	clk_put(sdhci->clk);
	kfree(sdhci);
	if (iomem)
		release_mem_region(iomem->start, resource_size(iomem));

	return 0;
}
开发者ID:Medvedroid,项目名称:OT_903D-kernel-2.6.35.7,代码行数:35,代码来源:sdhci-spear.c


示例7: sdhci_of_probe

static int __devinit sdhci_of_probe(struct of_device *ofdev,
				 const struct of_device_id *match)
{
	struct device_node *np = ofdev->node;
	struct sdhci_of_data *sdhci_of_data = match->data;
	struct sdhci_host *host;
	struct sdhci_of_host *of_host;
	const u32 *clk;
	int size;
	int ret;

	if (!of_device_is_available(np))
		return -ENODEV;

	host = sdhci_alloc_host(&ofdev->dev, sizeof(*of_host));
	if (!host)
		return -ENOMEM;

	of_host = sdhci_priv(host);
	dev_set_drvdata(&ofdev->dev, host);

	host->ioaddr = of_iomap(np, 0);
	if (!host->ioaddr) {
		ret = -ENOMEM;
		goto err_addr_map;
	}

	host->irq = irq_of_parse_and_map(np, 0);
	if (!host->irq) {
		ret = -EINVAL;
		goto err_no_irq;
	}

	host->hw_name = dev_name(&ofdev->dev);
	if (sdhci_of_data) {
		host->quirks = sdhci_of_data->quirks;
		host->ops = &sdhci_of_data->ops;
	}

	clk = of_get_property(np, "clock-frequency", &size);
	if (clk && size == sizeof(*clk) && *clk)
		of_host->clock = *clk;

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

	return 0;

err_add_host:
	irq_dispose_mapping(host->irq);
err_no_irq:
	iounmap(host->ioaddr);
err_addr_map:
	sdhci_free_host(host);
	return ret;
}
开发者ID:ClarkChen633,项目名称:rtl819x-toolchain,代码行数:57,代码来源:sdhci-of.c


示例8: sdhci_pltfm_free

void sdhci_pltfm_free(struct platform_device *pdev)
{
	struct sdhci_host *host = platform_get_drvdata(pdev);
	struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	iounmap(host->ioaddr);
	release_mem_region(iomem->start, resource_size(iomem));
	sdhci_free_host(host);
}
开发者ID:383530895,项目名称:linux,代码行数:9,代码来源:sdhci-pltfm.c


示例9: sdhci_of_remove

static int __devexit sdhci_of_remove(struct of_device *ofdev)
{
	struct sdhci_host *host = dev_get_drvdata(&ofdev->dev);

	sdhci_remove_host(host, 0);
	sdhci_free_host(host);
	irq_dispose_mapping(host->irq);
	iounmap(host->ioaddr);
	return 0;
}
开发者ID:DavionKnight,项目名称:H18CE-1604C,代码行数:10,代码来源:sdhci-of-core.c


示例10: tegra_sdhci_remove

static int tegra_sdhci_remove(struct platform_device *pdev)
{
	struct tegra_sdhci_host *host = platform_get_drvdata(pdev);
	if (host) {
		struct tegra_sdhci_platform_data *plat;
		plat = pdev->dev.platform_data;
		if (plat && plat->board_probe)
			plat->board_probe(pdev->id, host->sdhci->mmc);

		sdhci_remove_host(host->sdhci, 0);
		sdhci_free_host(host->sdhci);
	}
	return 0;
}
开发者ID:Jb2005,项目名称:SamSung-Galaxy-Tab-10.1-Model-GT-P7510,代码行数:14,代码来源:sdhci-tegra.c


示例11: sdhci_bcm_kona_remove

static int __exit sdhci_bcm_kona_remove(struct platform_device *pdev)
{
	struct sdhci_host *host = platform_get_drvdata(pdev);
	int dead;
	u32 scratch;

	dead = 0;
	scratch = readl(host->ioaddr + SDHCI_INT_STATUS);
	if (scratch == (u32)-1)
		dead = 1;
	sdhci_remove_host(host, dead);

	sdhci_free_host(host);

	return 0;
}
开发者ID:Cool-Joe,项目名称:imx23-audio,代码行数:16,代码来源:sdhci-bcm-kona.c


示例12: sdhci_f_sdh30_remove

static int sdhci_f_sdh30_remove(struct platform_device *pdev)
{
    struct sdhci_host *host = platform_get_drvdata(pdev);
    struct f_sdhost_priv *priv = sdhci_priv(host);

    sdhci_remove_host(host, readl(host->ioaddr + SDHCI_INT_STATUS) ==
                      0xffffffff);

    clk_disable_unprepare(priv->clk_iface);
    clk_disable_unprepare(priv->clk);

    sdhci_free_host(host);
    platform_set_drvdata(pdev, NULL);

    return 0;
}
开发者ID:ChineseDr,项目名称:linux,代码行数:16,代码来源:sdhci_f_sdh30.c


示例13: sdhci_s3c_remove

static int __devexit 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);

	if (sc->ext_cd_irq)
		free_irq(sc->ext_cd_irq, sc);

	if (gpio_is_valid(sc->ext_cd_gpio))
		gpio_free(sc->ext_cd_gpio);

#ifdef CONFIG_PM_RUNTIME
	if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
		clk_prepare_enable(sc->clk_io);
#endif
	sdhci_remove_host(host, 1);

	pm_runtime_dont_use_autosuspend(&pdev->dev);
	pm_runtime_disable(&pdev->dev);

#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);

	if (pdev->dev.of_node) {
		for (ptr = 0; ptr < NUM_GPIOS(sc->pdata->max_width); ptr++)
			gpio_free(sc->gpios[ptr]);
	}

	sdhci_free_host(host);
	platform_set_drvdata(pdev, NULL);

	return 0;
}
开发者ID:AllenDou,项目名称:linux,代码行数:46,代码来源:sdhci-s3c.c


示例14: sdhci_pltfm_remove

static int __devexit sdhci_pltfm_remove(struct platform_device *pdev)
{
	struct sdio_dev *dev = platform_get_drvdata(pdev);
	struct sdhci_host *host = dev->host;
	struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	/* Flag used to signal shutdown of eMMC card */
	dev->remove_card = 1;
	sdhci_pltfm_shutdown(pdev);

	platform_set_drvdata(pdev, NULL);
	kfree(dev);
	iounmap(host->ioaddr);
	release_mem_region(iomem->start, resource_size(iomem));
	sdhci_free_host(host);

	return 0;
}
开发者ID:CVlaspoel,项目名称:VSMC-i9105p,代码行数:18,代码来源:sdhci-pltfm-kona.c


示例15: sdhci_remove

static int sdhci_remove(struct platform_device *pdev)
{
    struct sdhci_host *host = platform_get_drvdata(pdev);
    struct spear_sdhci *sdhci = dev_get_platdata(&pdev->dev);
    int dead = 0;
    u32 scratch;

    platform_set_drvdata(pdev, NULL);
    scratch = readl(host->ioaddr + SDHCI_INT_STATUS);
    if (scratch == (u32)-1)
        dead = 1;

    sdhci_remove_host(host, dead);
    sdhci_free_host(host);
    clk_disable_unprepare(sdhci->clk);
    clk_put(sdhci->clk);

    return 0;
}
开发者ID:kennethlyn,项目名称:parallella-lcd-linux,代码行数:19,代码来源:sdhci-spear.c


示例16: sdhci_pltfm_remove

static int __devexit sdhci_pltfm_remove(struct platform_device *pdev)
{
    struct sdhci_host *host = platform_get_drvdata(pdev);
    struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
    int dead;
    u32 scratch;

    dead = 0;
    scratch = readl(host->ioaddr + SDHCI_INT_STATUS);
    if (scratch == (u32)-1)
        dead = 1;

    sdhci_remove_host(host, dead);
    iounmap(host->ioaddr);
    release_mem_region(iomem->start, resource_size(iomem));
    sdhci_free_host(host);
    platform_set_drvdata(pdev, NULL);

    return 0;
}
开发者ID:chunyenho,项目名称:RTS-hw2,代码行数:20,代码来源:sdhci-pltfm.c


示例17: sdhci_s3c_remove

static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
{
	struct s3c_sdhci_platdata *pdata = pdev->dev.platform_data;
	struct sdhci_host *host =  platform_get_drvdata(pdev);
	struct sdhci_s3c *sc = sdhci_priv(host);
	int ptr;

	if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_cleanup)
		pdata->ext_cd_cleanup(&sdhci_s3c_notify_change);
#ifdef CONFIG_MACH_U1_NA_SPR
	if (pdata->cd_type == S3C_SDHCI_CD_GPIO && pdata->ext_cd_cleanup)
		pdata->ext_cd_cleanup(&sdhci_s3c_notify_change);
#endif

	if (sc->ext_cd_irq)
		free_irq(sc->ext_cd_irq, sc);

	if (gpio_is_valid(sc->ext_cd_gpio))
		gpio_free(sc->ext_cd_gpio);

	sdhci_remove_host(host, 1);

	for (ptr = 0; ptr < 3; ptr++) {
		if (sc->clk_bus[ptr]) {
			clk_disable(sc->clk_bus[ptr]);
			clk_put(sc->clk_bus[ptr]);
		}
	}
	clk_disable(sc->clk_io);
	clk_put(sc->clk_io);

	iounmap(host->ioaddr);
	release_resource(sc->ioarea);
	kfree(sc->ioarea);

	sdhci_free_host(host);
	platform_set_drvdata(pdev, NULL);

	return 0;
}
开发者ID:1yankeedt,项目名称:D710BST_FL24_Kernel,代码行数:40,代码来源:sdhci-s3c.c


示例18: sdhci_s3c_probe


//.........这里部分代码省略.........

	if(pdata->host_caps)
		host->mmc->caps |= pdata->host_caps;

/* Fill External GPIO Value */
	if (pdata->cd_type == S3C_SDHCI_CD_PERMANENT) {
		pr_info("%s : S3C_SDHCI_CD_PERMANENT\n", __func__);
		if(gpio_is_valid(pdata->ext_cd_gpio)) {
			pr_info("%s : MMC GPIO Level is %d\n", __func__
				, gpio_get_value(pdata->ext_cd_gpio));
			gpio_request(pdata->ext_cd_gpio, "SDHCI EXT CD");
			sc->ext_cd_gpio = gpio_get_value(pdata->ext_cd_gpio);

		}					
		}					

	if (pdata->cd_type == S3C_SDHCI_CD_GPIO &&
		gpio_is_valid(pdata->ext_cd_gpio)) {
		pr_info("%s : S3C_SDHCI_CD_GPIO\n", __func__);
		gpio_request(pdata->ext_cd_gpio, "SDHCI EXT CD");
		sc->ext_cd_gpio = pdata->ext_cd_gpio;

		sc->regulator_workq = create_singlethread_workqueue("ktflash_requlatord");
		if (!sc->regulator_workq) {
			pr_info("%s : ERROR: workqueue for Tflash's regulator.\n"
				"Regulator for Tflash will be always ON\n",
				__func__);
		}
		INIT_DELAYED_WORK(&sc->regul_work, sdhci_s3c_requlator_work);
		
		sc->ext_cd_irq = gpio_to_irq(pdata->ext_cd_gpio);
		
		if (sc->ext_cd_irq &&
			request_irq(sc->ext_cd_irq, sdhci_s3c_gpio_card_detect_isr,
				IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
				dev_name(&pdev->dev), sc)) {
			dev_err(&pdev->dev, "cannot request irq for card detect\n");
			sc->ext_cd_irq = 0;
		}

		if (tflash_detection_cmd_dev == NULL && sc->ext_cd_gpio) {
			
			tflash_detection_cmd_dev = device_create(sec_class, NULL, 0, NULL, "tctest");
			if (IS_ERR(tflash_detection_cmd_dev))
				pr_err("%s : Failed to create device(ts)!\n", __func__);
	
			if (device_create_file(tflash_detection_cmd_dev, &dev_attr_tftest) < 0)
				pr_err("%s : Failed to create device file(%s)!\n", __func__, dev_attr_tftest.attr.name);
			
			dev_set_drvdata(tflash_detection_cmd_dev, sc);
		}

		/* T-Flash EINT for CD SHOULD be wakeup source */
		set_irq_wake(sc->ext_cd_irq, 1);
	}
	
	/* Call sdhci_host */
	ret = sdhci_add_host(host);
	if (ret) {
		dev_err(dev, "sdhci_add_host() failed\n");
		goto err_add_host;
	}
	if (pdata->cd_type == S3C_SDHCI_CD_PERMANENT) {
		host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
		host->mmc->caps |= MMC_CAP_NONREMOVABLE;
	}

	/* pdata->ext_cd_init might call sdhci_s3c_notify_change immediately,
	   so it can be called only after sdhci_add_host() */
	if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_init) {
		pr_info("%s : S3C_SDHCI_CD_EXTERNAL and external init\n", __func__);
		pdata->ext_cd_init(&sdhci_s3c_notify_change);
	}

	if (pdata->cd_type == S3C_SDHCI_CD_GPIO &&
		gpio_is_valid(pdata->ext_cd_gpio)) {
		host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
	}

	return 0;

 err_add_host:
	release_resource(sc->ioarea);
	kfree(sc->ioarea);

 err_req_regs:
	for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
		clk_disable(sc->clk_bus[ptr]);
		clk_put(sc->clk_bus[ptr]);
	}

 err_no_busclks:
	clk_disable(sc->clk_io);
	clk_put(sc->clk_io);

 err_io_clk:
	sdhci_free_host(host);

	return ret;
}
开发者ID:morristech,项目名称:enigma-i9100,代码行数:101,代码来源:sdhci-s3c.c


示例19: sdhci_probe


//.........这里部分代码省略.........
	}

	ret = sdhci_add_host(host);
	if (ret) {
		dev_dbg(&pdev->dev, "error adding host\n");
		goto err_add_host;
	}

	platform_set_drvdata(pdev, host);

	/*
	 * It is optional to use GPIOs for sdhci Power control & sdhci card
	 * interrupt detection. If sdhci->data is NULL, then use original sdhci
	 * lines otherwise GPIO lines.
	 * If GPIO is selected for power control, then power should be disabled
	 * after card removal and should be enabled when card insertion
	 * interrupt occurs
	 */
	if (!sdhci->data)
		return 0;

	if (sdhci->data->card_power_gpio >= 0) {
		int val = 0;

		ret = gpio_request(sdhci->data->card_power_gpio, "sdhci");
		if (ret < 0) {
			dev_dbg(&pdev->dev, "gpio request fail: %d\n",
					sdhci->data->card_power_gpio);
			goto err_pgpio_request;
		}

		if (sdhci->data->power_always_enb)
			val = sdhci->data->power_active_high;
		else
			val = !sdhci->data->power_active_high;

		ret = gpio_direction_output(sdhci->data->card_power_gpio, val);
		if (ret) {
			dev_dbg(&pdev->dev, "gpio set direction fail: %d\n",
					sdhci->data->card_power_gpio);
			goto err_pgpio_direction;
		}

		gpio_set_value(sdhci->data->card_power_gpio, 1);
	}

	if (sdhci->data->card_int_gpio >= 0) {
		ret = gpio_request(sdhci->data->card_int_gpio, "sdhci");
		if (ret < 0) {
			dev_dbg(&pdev->dev, "gpio request fail: %d\n",
					sdhci->data->card_int_gpio);
			goto err_igpio_request;
		}

		ret = gpio_direction_input(sdhci->data->card_int_gpio);
		if (ret) {
			dev_dbg(&pdev->dev, "gpio set direction fail: %d\n",
					sdhci->data->card_int_gpio);
			goto err_igpio_direction;
		}
		ret = request_irq(gpio_to_irq(sdhci->data->card_int_gpio),
				sdhci_gpio_irq, IRQF_TRIGGER_LOW,
				mmc_hostname(host->mmc), pdev);
		if (ret) {
			dev_dbg(&pdev->dev, "gpio request irq fail: %d\n",
					sdhci->data->card_int_gpio);
			goto err_igpio_request_irq;
		}

	}

	return 0;

err_igpio_request_irq:
err_igpio_direction:
	if (sdhci->data->card_int_gpio >= 0)
		gpio_free(sdhci->data->card_int_gpio);
err_igpio_request:
err_pgpio_direction:
	if (sdhci->data->card_power_gpio >= 0)
		gpio_free(sdhci->data->card_power_gpio);
err_pgpio_request:
	platform_set_drvdata(pdev, NULL);
	sdhci_remove_host(host, 1);
err_add_host:
	iounmap(host->ioaddr);
err_ioremap:
	sdhci_free_host(host);
err_alloc_host:
	clk_disable(sdhci->clk);
err_clk_enb:
	clk_put(sdhci->clk);
err_clk_get:
	kfree(sdhci);
err_kzalloc:
	release_mem_region(iomem->start, resource_size(iomem));
err:
	dev_err(&pdev->dev, "spear-sdhci probe failed: %d\n", ret);
	return ret;
}
开发者ID:Medvedroid,项目名称:OT_903D-kernel-2.6.35.7,代码行数:101,代码来源:sdhci-spear.c


示例20: sdhci_s3c_probe


//.........这里部分代码省略.........
	 * support as well. */
	host->quirks |= SDHCI_QUIRK_BROKEN_DMA;

#endif /* CONFIG_MMC_SDHCI_S3C_DMA */

	/* It seems we do not get an DATA transfer complete on non-busy
	 * transfers, not sure if this is a problem with this specific
	 * SDHCI block, or a missing configuration that needs to be set. */
	host->quirks |= SDHCI_QUIRK_NO_BUSY_IRQ;

	/* This host supports the Auto CMD12 */
	host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12;

	/* Samsung SoCs need BROKEN_ADMA_ZEROLEN_DESC */
	host->quirks |= SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC;

	if (pdata->cd_type == S3C_SDHCI_CD_NONE ||
	    pdata->cd_type == S3C_SDHCI_CD_PERMANENT)
		host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;

	if (pdata->cd_type == S3C_SDHCI_CD_PERMANENT)
		host->mmc->caps = MMC_CAP_NONREMOVABLE;

	switch (pdata->max_width) {
	case 8:
		host->mmc->caps |= MMC_CAP_8_BIT_DATA;
	case 4:
		host->mmc->caps |= MMC_CAP_4_BIT_DATA;
		break;
	}

	if (pdata->pm_caps)
		host->mmc->pm_caps |= pdata->pm_caps;

	host->quirks |= (SDHCI_QUIRK_32BIT_DMA_ADDR |
			 SDHCI_QUIRK_32BIT_DMA_SIZE);

	/* HSMMC on Samsung SoCs uses SDCLK as timeout clock */
	host->quirks |= SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK;

	/*
	 * If controller does not have internal clock divider,
	 * we can use overriding functions instead of default.
	 */
	if (host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) {
		pax_open_kernel();
		*(void **)&sdhci_s3c_ops.set_clock = sdhci_cmu_set_clock;
		*(void **)&sdhci_s3c_ops.get_min_clock = sdhci_cmu_get_min_clock;
		*(void **)&sdhci_s3c_ops.get_max_clock = sdhci_cmu_get_max_clock;
		pax_close_kernel();
	}

	/* It supports additional host capabilities if needed */
	if (pdata->host_caps)
		host->mmc->caps |= pdata->host_caps;

	if (pdata->host_caps2)
		host->mmc->caps2 |= pdata->host_caps2;

	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);

	ret = sdhci_add_host(host);
	if (ret) {
		dev_err(dev, "sdhci_add_host() failed\n");
		pm_runtime_forbid(&pdev->dev);
		pm_runtime_get_noresume(&pdev->dev);
		goto err_req_regs;
	}

	/* The following two methods of card detection might call
	   sdhci_s3c_notify_change() immediately, so they can be called
	   only after sdhci_add_host(). Setup errors are ignored. */
	if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_init)
		pdata->ext_cd_init(&sdhci_s3c_notify_change);
	if (pdata->cd_type == S3C_SDHCI_CD_GPIO &&
	    gpio_is_valid(pdata->ext_cd_gpio))
		sdhci_s3c_setup_card_detect_gpio(sc);

#ifdef CONFIG_PM_RUNTIME
	if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
		clk_disable_unprepare(sc->clk_io);
#endif
	return 0;

 err_req_regs:
#ifndef CONFIG_PM_RUNTIME
	clk_disable_unprepare(sc->clk_bus[sc->cur_clk]);
#endif

 err_no_busclks:
	clk_disable_unprepare(sc->clk_io);

 err_pdata_io_clk:
	sdhci_free_host(host);

	return ret;
}
开发者ID:garyvan,项目名称:openwrt-1.6,代码行数:101,代码来源:sdhci-s3c.c



注:本文中的sdhci_free_host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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C++ sdhci_pltfm_free函数代码示例发布时间:2022-05-30
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