diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/card/block.c | 3 | ||||
| -rw-r--r-- | drivers/mmc/card/queue.c | 7 | ||||
| -rw-r--r-- | drivers/mmc/host/at91_mci.c | 13 | ||||
| -rw-r--r-- | drivers/mmc/host/pxamci.h | 22 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 2 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 1 |
6 files changed, 18 insertions, 30 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index cbd4b6e3e17c..93fe2e5dd616 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -414,13 +414,12 @@ static struct mmc_blk_data *mmc_blk_alloc(struct mmc_card *card) return ERR_PTR(-ENOSPC); __set_bit(devidx, dev_use); - md = kmalloc(sizeof(struct mmc_blk_data), GFP_KERNEL); + md = kzalloc(sizeof(struct mmc_blk_data), GFP_KERNEL); if (!md) { ret = -ENOMEM; goto out; } - memset(md, 0, sizeof(struct mmc_blk_data)); /* * Set the read-only status based on the supported commands diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index 4fb2089dc690..b53dac8d1b69 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -11,6 +11,7 @@ */ #include <linux/module.h> #include <linux/blkdev.h> +#include <linux/freezer.h> #include <linux/kthread.h> #include <linux/mmc/card.h> @@ -44,11 +45,7 @@ static int mmc_queue_thread(void *d) struct mmc_queue *mq = d; struct request_queue *q = mq->queue; - /* - * Set iothread to ensure that we aren't put to sleep by - * the process freezing. We handle suspension ourselves. - */ - current->flags |= PF_MEMALLOC|PF_NOFREEZE; + current->flags |= PF_MEMALLOC; down(&mq->thread_sem); do { diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c index 28c881895ab7..15aab374127e 100644 --- a/drivers/mmc/host/at91_mci.c +++ b/drivers/mmc/host/at91_mci.c @@ -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); diff --git a/drivers/mmc/host/pxamci.h b/drivers/mmc/host/pxamci.h index 1b163220df2b..df17c281278a 100644 --- a/drivers/mmc/host/pxamci.h +++ b/drivers/mmc/host/pxamci.h @@ -1,25 +1,3 @@ -#undef MMC_STRPCL -#undef MMC_STAT -#undef MMC_CLKRT -#undef MMC_SPI -#undef MMC_CMDAT -#undef MMC_RESTO -#undef MMC_RDTO -#undef MMC_BLKLEN -#undef MMC_NOB -#undef MMC_PRTBUF -#undef MMC_I_MASK -#undef END_CMD_RES -#undef PRG_DONE -#undef DATA_TRAN_DONE -#undef MMC_I_REG -#undef MMC_CMD -#undef MMC_ARGH -#undef MMC_ARGL -#undef MMC_RES -#undef MMC_RXFIFO -#undef MMC_TXFIFO - #define MMC_STRPCL 0x0000 #define STOP_CLOCK (1 << 0) #define START_CLOCK (2 << 0) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 10d15c39d003..4a24db028d87 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -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)); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 7400f4bc114f..a6c870480b8a 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -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 |
