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

Browse source 
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
  mvsdio: fix CONFIG_PM=y build
  mmci: fix crash with debug enabled
  sdhci: catch ADMA errors
  mmc: increase power up delay
  sdhci-pci: bad error handling in probe function
  mmc_block: be prepared for oversized requests
This commit is contained in:
Linus Torvalds 2009-05-05 08:23:16 -07:00
commit 37ecfd807b
6 changed files with 22 additions and 13 deletions
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8
drivers/mmc/card/block.c
View file

@ -253,6 +253,14 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
brq.stop.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC;
brq.data.blocks = req->nr_sectors;
/*
* The block layer doesn't support all sector count
* restrictions, so we need to be prepared for too big
* requests.
*/
if (brq.data.blocks > card->host->max_blk_count)
brq.data.blocks = card->host->max_blk_count;
/*
* After a read error, we redo the request one sector at a time
* in order to accurately determine which sectors can be read

4
drivers/mmc/core/core.c
View file

@ -706,7 +706,7 @@ static void mmc_power_up(struct mmc_host *host)
* This delay should be sufficient to allow the power supply
* to reach the minimum voltage.
*/
mmc_delay(2);
mmc_delay(10);
host->ios.clock = host->f_min;
host->ios.power_mode = MMC_POWER_ON;
@ -716,7 +716,7 @@ static void mmc_power_up(struct mmc_host *host)
* This delay must be at least 74 clock sizes, or 1 ms, or the
* time required to reach a stable voltage.
*/
mmc_delay(2);
mmc_delay(10);
}
static void mmc_power_off(struct mmc_host *host)

2
drivers/mmc/host/mmci.c
View file

@ -514,6 +514,7 @@ static int __devinit mmci_probe(struct amba_device *dev, void *id)
}
host = mmc_priv(mmc);
host->mmc = mmc;
/* Bits 12 thru 19 is the designer */
host->hw_designer = (dev->periphid >> 12) & 0xff;
/* Bits 20 thru 23 is the revison */
@ -545,7 +546,6 @@ static int __devinit mmci_probe(struct amba_device *dev, void *id)
host->mclk = clk_get_rate(host->clk);
DBG(host, "eventual mclk rate: %u Hz\n", host->mclk);
}
host->mmc = mmc;
host->base = ioremap(dev->res.start, SZ_4K);
if (!host->base) {
ret = -ENOMEM;

11
drivers/mmc/host/mvsdio.c
View file

@ -825,24 +825,23 @@ static int __exit mvsd_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM
static int mvsd_suspend(struct platform_device *dev, pm_message_t state,
u32 level)
static int mvsd_suspend(struct platform_device *dev, pm_message_t state)
{
struct mmc_host *mmc = platform_get_drvdata(dev);
int ret = 0;
if (mmc && level == SUSPEND_DISABLE)
if (mmc)
ret = mmc_suspend_host(mmc, state);
return ret;
}
static int mvsd_resume(struct platform_device *dev, u32 level)
static int mvsd_resume(struct platform_device *dev)
{
struct mmc_host *mmc = platform_dev_get_drvdata(dev);
struct mmc_host *mmc = platform_get_drvdata(dev);
int ret = 0;
if (mmc && level == RESUME_ENABLE)
if (mmc)
ret = mmc_resume_host(mmc);
return ret;

8
drivers/mmc/host/sdhci-pci.c
View file

@ -522,8 +522,8 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot(
host = sdhci_alloc_host(&pdev->dev, sizeof(struct sdhci_pci_slot));
if (IS_ERR(host)) {
ret = PTR_ERR(host);
goto unmap;
dev_err(&pdev->dev, "cannot allocate host\n");
return ERR_PTR(PTR_ERR(host));
}
slot = sdhci_priv(host);
@ -541,7 +541,7 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot(
ret = pci_request_region(pdev, bar, mmc_hostname(host->mmc));
if (ret) {
dev_err(&pdev->dev, "cannot request region\n");
return ERR_PTR(ret);
goto free;
}
addr = pci_resource_start(pdev, bar);
@ -572,6 +572,8 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot(
release:
pci_release_region(pdev, bar);
free:
sdhci_free_host(host);
return ERR_PTR(ret);

2
drivers/mmc/host/sdhci.h
View file

@ -125,7 +125,7 @@
#define SDHCI_INT_DATA_MASK (SDHCI_INT_DATA_END | SDHCI_INT_DMA_END | \
SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \
SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \
SDHCI_INT_DATA_END_BIT)
SDHCI_INT_DATA_END_BIT | SDHCI_ADMA_ERROR)
#define SDHCI_INT_ALL_MASK ((unsigned int)-1)
#define SDHCI_ACMD12_ERR 0x3C