diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/sdhci-pci.c | 2 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 38 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 4 |
3 files changed, 21 insertions, 23 deletions
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index 63b9d2a6a45..e0356644d1a 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -396,7 +396,7 @@ static int sdhci_pci_enable_dma(struct sdhci_host *host) if (((pdev->class & 0xFFFF00) == (PCI_CLASS_SYSTEM_SDHCI << 8)) && ((pdev->class & 0x0000FF) != PCI_SDHCI_IFDMA) && - (host->flags & SDHCI_USE_DMA)) { + (host->flags & SDHCI_USE_SDMA)) { dev_warn(&pdev->dev, "Will use DMA mode even though HW " "doesn't fully claim to support it.\n"); } diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 38a78743fc5..9d0767687e1 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -655,7 +655,7 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data) count = sdhci_calc_timeout(host, data); sdhci_writeb(host, count, SDHCI_TIMEOUT_CONTROL); - if (host->flags & SDHCI_USE_DMA) + if (host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) host->flags |= SDHCI_REQ_USE_DMA; /* @@ -1600,7 +1600,7 @@ int sdhci_resume_host(struct sdhci_host *host) { int ret; - if (host->flags & SDHCI_USE_DMA) { + if (host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) { if (host->ops->enable_dma) host->ops->enable_dma(host); } @@ -1681,23 +1681,20 @@ int sdhci_add_host(struct sdhci_host *host) caps = sdhci_readl(host, SDHCI_CAPABILITIES); if (host->quirks & SDHCI_QUIRK_FORCE_DMA) - host->flags |= SDHCI_USE_DMA; - else if (!(caps & SDHCI_CAN_DO_DMA)) - DBG("Controller doesn't have DMA capability\n"); + host->flags |= SDHCI_USE_SDMA; + else if (!(caps & SDHCI_CAN_DO_SDMA)) + DBG("Controller doesn't have SDMA capability\n"); else - host->flags |= SDHCI_USE_DMA; + host->flags |= SDHCI_USE_SDMA; if ((host->quirks & SDHCI_QUIRK_BROKEN_DMA) && - (host->flags & SDHCI_USE_DMA)) { + (host->flags & SDHCI_USE_SDMA)) { DBG("Disabling DMA as it is marked broken\n"); - host->flags &= ~SDHCI_USE_DMA; + host->flags &= ~SDHCI_USE_SDMA; } - if (host->flags & SDHCI_USE_DMA) { - if ((host->version >= SDHCI_SPEC_200) && - (caps & SDHCI_CAN_DO_ADMA2)) - host->flags |= SDHCI_USE_ADMA; - } + if ((host->version >= SDHCI_SPEC_200) && (caps & SDHCI_CAN_DO_ADMA2)) + host->flags |= SDHCI_USE_ADMA; if ((host->quirks & SDHCI_QUIRK_BROKEN_ADMA) && (host->flags & SDHCI_USE_ADMA)) { @@ -1705,13 +1702,14 @@ int sdhci_add_host(struct sdhci_host *host) host->flags &= ~SDHCI_USE_ADMA; } - if (host->flags & SDHCI_USE_DMA) { + if (host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) { if (host->ops->enable_dma) { if (host->ops->enable_dma(host)) { printk(KERN_WARNING "%s: No suitable DMA " "available. Falling back to PIO.\n", mmc_hostname(mmc)); - host->flags &= ~(SDHCI_USE_DMA | SDHCI_USE_ADMA); + host->flags &= + ~(SDHCI_USE_SDMA | SDHCI_USE_ADMA); } } } @@ -1739,7 +1737,7 @@ int sdhci_add_host(struct sdhci_host *host) * mask, but PIO does not need the hw shim so we set a new * mask here in that case. */ - if (!(host->flags & SDHCI_USE_DMA)) { + if (!(host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA))) { host->dma_mask = DMA_BIT_MASK(64); mmc_dev(host->mmc)->dma_mask = &host->dma_mask; } @@ -1816,7 +1814,7 @@ int sdhci_add_host(struct sdhci_host *host) */ if (host->flags & SDHCI_USE_ADMA) mmc->max_hw_segs = 128; - else if (host->flags & SDHCI_USE_DMA) + else if (host->flags & SDHCI_USE_SDMA) mmc->max_hw_segs = 1; else /* PIO */ mmc->max_hw_segs = 128; @@ -1899,10 +1897,10 @@ int sdhci_add_host(struct sdhci_host *host) mmc_add_host(mmc); - printk(KERN_INFO "%s: SDHCI controller on %s [%s] using %s%s\n", + printk(KERN_INFO "%s: SDHCI controller on %s [%s] using %s\n", mmc_hostname(mmc), host->hw_name, dev_name(mmc_dev(mmc)), - (host->flags & SDHCI_USE_ADMA)?"A":"", - (host->flags & SDHCI_USE_DMA)?"DMA":"PIO"); + (host->flags & SDHCI_USE_ADMA) ? "ADMA" : + (host->flags & SDHCI_USE_SDMA) ? "DMA" : "PIO"); sdhci_enable_card_detection(host); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index afda7f126e0..ce5f1d73dc0 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -143,7 +143,7 @@ #define SDHCI_CAN_DO_ADMA2 0x00080000 #define SDHCI_CAN_DO_ADMA1 0x00100000 #define SDHCI_CAN_DO_HISPD 0x00200000 -#define SDHCI_CAN_DO_DMA 0x00400000 +#define SDHCI_CAN_DO_SDMA 0x00400000 #define SDHCI_CAN_VDD_330 0x01000000 #define SDHCI_CAN_VDD_300 0x02000000 #define SDHCI_CAN_VDD_180 0x04000000 @@ -252,7 +252,7 @@ struct sdhci_host { spinlock_t lock; /* Mutex */ int flags; /* Host attributes */ -#define SDHCI_USE_DMA (1<<0) /* Host is DMA capable */ +#define SDHCI_USE_SDMA (1<<0) /* Host is SDMA capable */ #define SDHCI_USE_ADMA (1<<1) /* Host is ADMA capable */ #define SDHCI_REQ_USE_DMA (1<<2) /* Use DMA for this req. */ #define SDHCI_DEVICE_DEAD (1<<3) /* Device unresponsive */ |