mmc: sdhi: allow powering down controller with no card inserted
Supply a link to TMIO private data for platforms to implement their own card detection. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
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7311bef069
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@ -71,6 +71,7 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev)
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}
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mmc_data = &priv->mmc_data;
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p->pdata = mmc_data;
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snprintf(clk_name, sizeof(clk_name), "sdhi%d", pdev->id);
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priv->clk = clk_get(&pdev->dev, clk_name);
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@ -159,8 +160,11 @@ static int sh_mobile_sdhi_remove(struct platform_device *pdev)
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struct mmc_host *mmc = platform_get_drvdata(pdev);
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struct tmio_mmc_host *host = mmc_priv(mmc);
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struct sh_mobile_sdhi *priv = container_of(host->pdata, struct sh_mobile_sdhi, mmc_data);
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struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
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int i, irq;
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p->pdata = NULL;
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for (i = 0; i < 3; i++) {
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irq = platform_get_irq(pdev, i);
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if (irq >= 0)
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@ -178,6 +182,8 @@ static int sh_mobile_sdhi_remove(struct platform_device *pdev)
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static const struct dev_pm_ops tmio_mmc_dev_pm_ops = {
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.suspend = tmio_mmc_host_suspend,
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.resume = tmio_mmc_host_resume,
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.runtime_suspend = tmio_mmc_host_runtime_suspend,
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.runtime_resume = tmio_mmc_host_runtime_resume,
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};
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static struct platform_driver sh_mobile_sdhi_driver = {
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@ -3,12 +3,16 @@
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#include <linux/types.h>
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struct platform_device;
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struct tmio_mmc_data;
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struct sh_mobile_sdhi_info {
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int dma_slave_tx;
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int dma_slave_rx;
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unsigned long tmio_flags;
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unsigned long tmio_caps;
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u32 tmio_ocr_mask; /* available MMC voltages */
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struct tmio_mmc_data *pdata;
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void (*set_pwr)(struct platform_device *pdev, int state);
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int (*get_cd)(struct platform_device *pdev);
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};
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