diff options
| -rw-r--r-- | drivers/mmc/host/omap_hsmmc.c | 56 |
1 files changed, 38 insertions, 18 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 433ca804d52d..fda762ebca14 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -230,9 +230,6 @@ struct omap_hsmmc_host { */ int (*get_cover_state)(struct device *dev); - /* Card detection IRQs */ - int card_detect_irq; - int (*card_detect)(struct device *dev); }; @@ -422,6 +419,7 @@ static inline int omap_hsmmc_have_reg(void) #endif static irqreturn_t omap_hsmmc_detect(int irq, void *dev_id); +static irqreturn_t omap_hsmmc_cover_irq(int irq, void *dev_id); static int omap_hsmmc_gpio_init(struct mmc_host *mmc, struct omap_hsmmc_host *host, @@ -429,20 +427,20 @@ static int omap_hsmmc_gpio_init(struct mmc_host *mmc, { int ret; - if (gpio_is_valid(pdata->switch_pin)) { - if (pdata->cover) - host->get_cover_state = - omap_hsmmc_get_cover_state; - else - host->card_detect = omap_hsmmc_card_detect; - host->card_detect_irq = - gpio_to_irq(pdata->switch_pin); - mmc_gpio_set_cd_isr(mmc, omap_hsmmc_detect); + if (pdata->cover && gpio_is_valid(pdata->switch_pin)) { ret = mmc_gpio_request_cd(mmc, pdata->switch_pin, 0); if (ret) return ret; - } else { - pdata->switch_pin = -EINVAL; + + host->get_cover_state = omap_hsmmc_get_cover_state; + mmc_gpio_set_cd_isr(mmc, omap_hsmmc_cover_irq); + } else if (!pdata->cover && gpio_is_valid(pdata->switch_pin)) { + ret = mmc_gpio_request_cd(mmc, pdata->switch_pin, 0); + if (ret) + return ret; + + host->card_detect = omap_hsmmc_card_detect; + mmc_gpio_set_cd_isr(mmc, omap_hsmmc_detect); } if (gpio_is_valid(pdata->gpio_wp)) { @@ -1236,15 +1234,37 @@ static void omap_hsmmc_protect_card(struct omap_hsmmc_host *host) } /* - * irq handler to notify the core about card insertion/removal + * irq handler when (cell-phone) cover is mounted/removed */ -static irqreturn_t omap_hsmmc_detect(int irq, void *dev_id) +static irqreturn_t omap_hsmmc_cover_irq(int irq, void *dev_id) { struct omap_hsmmc_host *host = dev_id; int carddetect; sysfs_notify(&host->mmc->class_dev.kobj, NULL, "cover_switch"); + if (host->card_detect) { + carddetect = host->card_detect(host->dev); + } else { + omap_hsmmc_protect_card(host); + carddetect = -ENOSYS; + } + + if (carddetect) + mmc_detect_change(host->mmc, (HZ * 200) / 1000); + else + mmc_detect_change(host->mmc, (HZ * 50) / 1000); + return IRQ_HANDLED; +} + +/* + * irq handler to notify the core about card insertion/removal + */ +static irqreturn_t omap_hsmmc_detect(int irq, void *dev_id) +{ + struct omap_hsmmc_host *host = dev_id; + int carddetect; + if (host->card_detect) carddetect = host->card_detect(host->dev); else { @@ -2154,9 +2174,9 @@ static int omap_hsmmc_probe(struct platform_device *pdev) if (ret < 0) goto err_slot_name; } - if (host->card_detect_irq && host->get_cover_state) { + if (host->get_cover_state) { ret = device_create_file(&mmc->class_dev, - &dev_attr_cover_switch); + &dev_attr_cover_switch); if (ret < 0) goto err_slot_name; } |