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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-05 15:25:34 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-05 15:25:34 (GMT) |
commit | 6fbfd0592ef88ba29cdce84ef92757351f1fa9c9 (patch) | |
tree | 7c0af4bcc08f3ad7befb93d73d9729f82252c950 /drivers/mmc/host/dw_mmc.c | |
parent | f2c32a882d2c1cde6fc552a5a3d34b4c1330edb8 (diff) | |
parent | 6887a4131da3adaab011613776d865f4bcfb5678 (diff) | |
download | linux-fsl-qoriq-6fbfd0592ef88ba29cdce84ef92757351f1fa9c9.tar.xz |
Merge v3.5-rc5 into driver-core-next
This picks up the big printk fixes, and resolves a merge issue with:
drivers/extcon/extcon_gpio.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/mmc/host/dw_mmc.c')
-rw-r--r-- | drivers/mmc/host/dw_mmc.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 9bbf45f..1ca5e72 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -418,6 +418,8 @@ static int dw_mci_idmac_init(struct dw_mci *host) p->des3 = host->sg_dma; p->des0 = IDMAC_DES0_ER; + mci_writel(host, BMOD, SDMMC_IDMAC_SWRESET); + /* Mask out interrupts - get Tx & Rx complete only */ mci_writel(host, IDINTEN, SDMMC_IDMAC_INT_NI | SDMMC_IDMAC_INT_RI | SDMMC_IDMAC_INT_TI); @@ -615,14 +617,15 @@ static void dw_mci_setup_bus(struct dw_mci_slot *slot) u32 div; if (slot->clock != host->current_speed) { - if (host->bus_hz % slot->clock) + div = host->bus_hz / slot->clock; + if (host->bus_hz % slot->clock && host->bus_hz > slot->clock) /* * move the + 1 after the divide to prevent * over-clocking the card. */ - div = ((host->bus_hz / slot->clock) >> 1) + 1; - else - div = (host->bus_hz / slot->clock) >> 1; + div += 1; + + div = (host->bus_hz != slot->clock) ? DIV_ROUND_UP(div, 2) : 0; dev_info(&slot->mmc->class_dev, "Bus speed (slot %d) = %dHz (slot req %dHz, actual %dHZ" @@ -939,8 +942,8 @@ static void dw_mci_command_complete(struct dw_mci *host, struct mmc_command *cmd mdelay(20); if (cmd->data) { - host->data = NULL; dw_mci_stop_dma(host); + host->data = NULL; } } } @@ -1623,7 +1626,6 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) if (pending & (SDMMC_IDMAC_INT_TI | SDMMC_IDMAC_INT_RI)) { mci_writel(host, IDSTS, SDMMC_IDMAC_INT_TI | SDMMC_IDMAC_INT_RI); mci_writel(host, IDSTS, SDMMC_IDMAC_INT_NI); - set_bit(EVENT_DATA_COMPLETE, &host->pending_events); host->dma_ops->complete(host); } #endif @@ -1725,7 +1727,8 @@ static void dw_mci_work_routine_card(struct work_struct *work) #ifdef CONFIG_MMC_DW_IDMAC ctrl = mci_readl(host, BMOD); - ctrl |= 0x01; /* Software reset of DMA */ + /* Software reset of DMA */ + ctrl |= SDMMC_IDMAC_SWRESET; mci_writel(host, BMOD, ctrl); #endif @@ -1950,10 +1953,6 @@ int dw_mci_probe(struct dw_mci *host) spin_lock_init(&host->lock); INIT_LIST_HEAD(&host->queue); - - host->dma_ops = host->pdata->dma_ops; - dw_mci_init_dma(host); - /* * Get the host data width - this assumes that HCON has been set with * the correct values. @@ -1981,10 +1980,11 @@ int dw_mci_probe(struct dw_mci *host) } /* Reset all blocks */ - if (!mci_wait_reset(&host->dev, host)) { - ret = -ENODEV; - goto err_dmaunmap; - } + if (!mci_wait_reset(&host->dev, host)) + return -ENODEV; + + host->dma_ops = host->pdata->dma_ops; + dw_mci_init_dma(host); /* Clear the interrupts for the host controller */ mci_writel(host, RINTSTS, 0xFFFFFFFF); @@ -2170,14 +2170,14 @@ int dw_mci_resume(struct dw_mci *host) if (host->vmmc) regulator_enable(host->vmmc); - if (host->dma_ops->init) - host->dma_ops->init(host); - if (!mci_wait_reset(&host->dev, host)) { ret = -ENODEV; return ret; } + if (host->dma_ops->init) + host->dma_ops->init(host); + /* Restore the old value at FIFOTH register */ mci_writel(host, FIFOTH, host->fifoth_val); |