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yaml
---
r: 212425
b: refs/heads/master
c: 148b8b3
h: refs/heads/master
i:
  212423: 12d0e67
v: v3
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Rabin Vincent authored and Russell King committed Sep 23, 2010
1 parent 0e9f04f commit 7b44420
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Showing 3 changed files with 25 additions and 2 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 8301bb68c6bb9836889641a47443aeb97b763f6c
refs/heads/master: 148b8b39c156424da22693d26adcb69800faf95e
24 changes: 23 additions & 1 deletion trunk/drivers/mmc/host/mmci.c
Original file line number Diff line number Diff line change
Expand Up @@ -601,6 +601,15 @@ static int mmci_get_cd(struct mmc_host *mmc)
return status;
}

static irqreturn_t mmci_cd_irq(int irq, void *dev_id)
{
struct mmci_host *host = dev_id;

mmc_detect_change(host->mmc, msecs_to_jiffies(500));

return IRQ_HANDLED;
}

static const struct mmc_host_ops mmci_ops = {
.request = mmci_request,
.set_ios = mmci_set_ios,
Expand Down Expand Up @@ -637,6 +646,7 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)

host->gpio_wp = -ENOSYS;
host->gpio_cd = -ENOSYS;
host->gpio_cd_irq = -1;

host->hw_designer = amba_manf(dev);
host->hw_revision = amba_rev(dev);
Expand Down Expand Up @@ -716,7 +726,6 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
if (host->vcc == NULL)
mmc->ocr_avail = plat->ocr_mask;
mmc->caps = plat->capabilities;
mmc->caps |= MMC_CAP_NEEDS_POLL;

/*
* We can do SGIO
Expand Down Expand Up @@ -761,6 +770,12 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
host->gpio_cd = plat->gpio_cd;
else if (ret != -ENOSYS)
goto err_gpio_cd;

ret = request_any_context_irq(gpio_to_irq(plat->gpio_cd),
mmci_cd_irq, 0,
DRIVER_NAME " (cd)", host);
if (ret >= 0)
host->gpio_cd_irq = gpio_to_irq(plat->gpio_cd);
}
if (gpio_is_valid(plat->gpio_wp)) {
ret = gpio_request(plat->gpio_wp, DRIVER_NAME " (wp)");
Expand All @@ -772,6 +787,9 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
goto err_gpio_wp;
}

if (host->gpio_cd_irq < 0)
mmc->caps |= MMC_CAP_NEEDS_POLL;

ret = request_irq(dev->irq[0], mmci_irq, IRQF_SHARED, DRIVER_NAME " (cmd)", host);
if (ret)
goto unmap;
Expand All @@ -798,6 +816,8 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
if (host->gpio_wp != -ENOSYS)
gpio_free(host->gpio_wp);
err_gpio_wp:
if (host->gpio_cd_irq >= 0)
free_irq(host->gpio_cd_irq, host);
if (host->gpio_cd != -ENOSYS)
gpio_free(host->gpio_cd);
err_gpio_cd:
Expand Down Expand Up @@ -836,6 +856,8 @@ static int __devexit mmci_remove(struct amba_device *dev)

if (host->gpio_wp != -ENOSYS)
gpio_free(host->gpio_wp);
if (host->gpio_cd_irq >= 0)
free_irq(host->gpio_cd_irq, host);
if (host->gpio_cd != -ENOSYS)
gpio_free(host->gpio_cd);

Expand Down
1 change: 1 addition & 0 deletions trunk/drivers/mmc/host/mmci.h
Original file line number Diff line number Diff line change
Expand Up @@ -147,6 +147,7 @@ struct mmci_host {
struct clk *clk;
int gpio_cd;
int gpio_wp;
int gpio_cd_irq;

unsigned int data_xfered;

Expand Down

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