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| author | Ingo Molnar <mingo@elte.hu> | 2008-08-13 13:08:47 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-13 13:08:47 +0200 |
| commit | a12e61df4fa1cfae7a6b76976fa65a6fcb048e3f (patch) | |
| tree | 957c915298b299902aa80afa7c78e94c71b3dc25 /drivers/mmc/host/sdhci.c | |
| parent | x86: fix setup code crashes on my old 486 box (diff) | |
| parent | Linux 2.6.27-rc3 (diff) | |
| download | linux-a12e61df4fa1cfae7a6b76976fa65a6fcb048e3f.tar.xz linux-a12e61df4fa1cfae7a6b76976fa65a6fcb048e3f.zip | |
Merge commit 'v2.6.27-rc3' into x86/urgent
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 5f95e10229b5..e3a8133560a2 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -278,6 +278,15 @@ static void sdhci_transfer_pio(struct sdhci_host *host) else mask = SDHCI_SPACE_AVAILABLE; + /* + * Some controllers (JMicron JMB38x) mess up the buffer bits + * for transfers < 4 bytes. As long as it is just one block, + * we can ignore the bits. + */ + if ((host->quirks & SDHCI_QUIRK_BROKEN_SMALL_PIO) && + (host->data->blocks == 1)) + mask = ~0; + while (readl(host->ioaddr + SDHCI_PRESENT_STATE) & mask) { if (host->data->flags & MMC_DATA_READ) sdhci_read_block_pio(host); @@ -439,7 +448,7 @@ static int sdhci_adma_table_pre(struct sdhci_host *host, host->adma_addr = dma_map_single(mmc_dev(host->mmc), host->adma_desc, (128 * 2 + 1) * 4, DMA_TO_DEVICE); - if (dma_mapping_error(mmc_dev(host->mmc), host->align_addr)) + if (dma_mapping_error(mmc_dev(host->mmc), host->adma_addr)) goto unmap_entries; BUG_ON(host->adma_addr & 0x3); @@ -645,7 +654,7 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data) * us an invalid request. */ WARN_ON(1); - host->flags &= ~SDHCI_USE_DMA; + host->flags &= ~SDHCI_REQ_USE_DMA; } else { writel(host->adma_addr, host->ioaddr + SDHCI_ADMA_ADDRESS); @@ -664,7 +673,7 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data) * us an invalid request. */ WARN_ON(1); - host->flags &= ~SDHCI_USE_DMA; + host->flags &= ~SDHCI_REQ_USE_DMA; } else { WARN_ON(sg_cnt != 1); writel(sg_dma_address(data->sg), |