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OpenCloudOS-Kernel
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
  sdhci: make sure to clear the error interrupt
  mmc: at91_mci: wakeup on card insertion (or removal)
  mmc: add maintainer for at91
This commit is contained in:
Linus Torvalds 2007-07-20 18:10:03 -07:00
parent c2e6805242 964f9ce2ff
commit 5c4c1489b9
4 changed files with 21 additions and 2 deletions
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7
MAINTAINERS
View File

@ -651,7 +651,12 @@ W: http://linux-atm.sourceforge.net
S: Maintained
ATMEL AT91 MCI DRIVER
S: Orphan
P: Nicolas Ferre
M: nicolas.ferre@rfo.atmel.com
L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
W: http://www.atmel.com/products/AT91/
W: http://www.at91.com/
S: Maintained
ATMEL MACB ETHERNET DRIVER
P: Haavard Skinnemoen

13
drivers/mmc/host/at91_mci.c
View File

@ -903,8 +903,10 @@ static int __init at91_mci_probe(struct platform_device *pdev)
/*
* Add host to MMC layer
*/
if (host->board->det_pin)
if (host->board->det_pin) {
host->present = !at91_get_gpio_value(host->board->det_pin);
device_init_wakeup(&pdev->dev, 1);
}
else
host->present = -1;
@ -940,6 +942,7 @@ static int __exit at91_mci_remove(struct platform_device *pdev)
host = mmc_priv(mmc);
if (host->present != -1) {
device_init_wakeup(&pdev->dev, 0);
free_irq(host->board->det_pin, host);
cancel_delayed_work(&host->mmc->detect);
}
@ -966,8 +969,12 @@ static int __exit at91_mci_remove(struct platform_device *pdev)
static int at91_mci_suspend(struct platform_device *pdev, pm_message_t state)
{
struct mmc_host *mmc = platform_get_drvdata(pdev);
struct at91mci_host *host = mmc_priv(mmc);
int ret = 0;
if (device_may_wakeup(&pdev->dev))
enable_irq_wake(host->board->det_pin);
if (mmc)
ret = mmc_suspend_host(mmc, state);
@ -977,8 +984,12 @@ static int at91_mci_suspend(struct platform_device *pdev, pm_message_t state)
static int at91_mci_resume(struct platform_device *pdev)
{
struct mmc_host *mmc = platform_get_drvdata(pdev);
struct at91mci_host *host = mmc_priv(mmc);
int ret = 0;
if (device_may_wakeup(&pdev->dev))
disable_irq_wake(host->board->det_pin);
if (mmc)
ret = mmc_resume_host(mmc);

2
drivers/mmc/host/sdhci.c
View File

@ -1024,6 +1024,8 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id)
intmask &= ~(SDHCI_INT_CMD_MASK | SDHCI_INT_DATA_MASK);
intmask &= ~SDHCI_INT_ERROR;
if (intmask & SDHCI_INT_BUS_POWER) {
printk(KERN_ERR "%s: Card is consuming too much power!\n",
mmc_hostname(host->mmc));

1
drivers/mmc/host/sdhci.h
View File

@ -107,6 +107,7 @@
#define SDHCI_INT_CARD_INSERT 0x00000040
#define SDHCI_INT_CARD_REMOVE 0x00000080
#define SDHCI_INT_CARD_INT 0x00000100
#define SDHCI_INT_ERROR 0x00008000
#define SDHCI_INT_TIMEOUT 0x00010000
#define SDHCI_INT_CRC 0x00020000
#define SDHCI_INT_END_BIT 0x00040000