diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/mmc/host/mvsdio.c | 39 |
1 files changed, 9 insertions, 30 deletions
diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c index c6dc8fd696ab..704b7a3fe873 100644 --- a/drivers/mmc/host/mvsdio.c +++ b/drivers/mmc/host/mvsdio.c @@ -52,7 +52,6 @@ struct mvsd_host { struct mmc_host *mmc; struct device *dev; struct clk *clk; - int gpio_card_detect; }; #define mvsd_write(offs, val) writel(val, iobase + (offs)) @@ -538,13 +537,6 @@ static void mvsd_timeout_timer(unsigned long data) mmc_request_done(host->mmc, mrq); } -static irqreturn_t mvsd_card_detect_irq(int irq, void *dev) -{ - struct mvsd_host *host = dev; - mmc_detect_change(host->mmc, msecs_to_jiffies(100)); - return IRQ_HANDLED; -} - static void mvsd_enable_sdio_irq(struct mmc_host *mmc, int enable) { struct mvsd_host *host = mmc_priv(mmc); @@ -757,26 +749,11 @@ static int __init mvsd_probe(struct platform_device *pdev) if (!IS_ERR(host->clk)) clk_prepare_enable(host->clk); - if (mvsd_data->gpio_card_detect) { - ret = devm_gpio_request_one(&pdev->dev, - mvsd_data->gpio_card_detect, - GPIOF_IN, DRIVER_NAME " cd"); - if (ret == 0) { - irq = gpio_to_irq(mvsd_data->gpio_card_detect); - ret = devm_request_irq(&pdev->dev, irq, - mvsd_card_detect_irq, - IRQ_TYPE_EDGE_RISING | - IRQ_TYPE_EDGE_FALLING, - DRIVER_NAME " cd", host); - if (ret == 0) - host->gpio_card_detect = - mvsd_data->gpio_card_detect; - else - devm_gpio_free(&pdev->dev, - mvsd_data->gpio_card_detect); - } - } - if (!host->gpio_card_detect) + if (gpio_is_valid(mvsd_data->gpio_card_detect)) { + ret = mmc_gpio_request_cd(mmc, mvsd_data->gpio_card_detect); + if (ret) + goto out; + } else mmc->caps |= MMC_CAP_NEEDS_POLL; mmc_gpio_request_ro(mmc, mvsd_data->gpio_write_protect); @@ -789,15 +766,16 @@ static int __init mvsd_probe(struct platform_device *pdev) pr_notice("%s: %s driver initialized, ", mmc_hostname(mmc), DRIVER_NAME); - if (host->gpio_card_detect) + if (!(mmc->caps & MMC_CAP_NEEDS_POLL)) printk("using GPIO %d for card detection\n", - host->gpio_card_detect); + mvsd_data->gpio_card_detect); else printk("lacking card detect (fall back to polling)\n"); return 0; out: if (mmc) { + mmc_gpio_free_cd(mmc); mmc_gpio_free_ro(mmc); if (!IS_ERR(host->clk)) clk_disable_unprepare(host->clk); @@ -813,6 +791,7 @@ static int __exit mvsd_remove(struct platform_device *pdev) struct mvsd_host *host = mmc_priv(mmc); + mmc_gpio_free_cd(mmc); mmc_gpio_free_ro(mmc); mmc_remove_host(mmc); del_timer_sync(&host->timer); |