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Diffstat (limited to 'drivers/mmc/host')
-rw-r--r--drivers/mmc/host/cb710-mmc.c6
-rw-r--r--drivers/mmc/host/imxmmc.c2
-rw-r--r--drivers/mmc/host/sdhci-of.c10
-rw-r--r--drivers/mmc/host/sdhci.c15
-rw-r--r--drivers/mmc/host/sdhci.h1
5 files changed, 26 insertions, 8 deletions
diff --git a/drivers/mmc/host/cb710-mmc.c b/drivers/mmc/host/cb710-mmc.c
index 11efefb1af5..4e72964a7b4 100644
--- a/drivers/mmc/host/cb710-mmc.c
+++ b/drivers/mmc/host/cb710-mmc.c
@@ -278,7 +278,7 @@ static int cb710_mmc_receive(struct cb710_slot *slot, struct mmc_data *data)
if (unlikely(data->blksz & 15 && (data->blocks != 1 || data->blksz != 8)))
return -EINVAL;
- sg_miter_start(&miter, data->sg, data->sg_len, 0);
+ sg_miter_start(&miter, data->sg, data->sg_len, SG_MITER_TO_SG);
cb710_modify_port_8(slot, CB710_MMC_CONFIG2_PORT,
15, CB710_MMC_C2_READ_PIO_SIZE_MASK);
@@ -307,7 +307,7 @@ static int cb710_mmc_receive(struct cb710_slot *slot, struct mmc_data *data)
goto out;
}
out:
- cb710_sg_miter_stop_writing(&miter);
+ sg_miter_stop(&miter);
return err;
}
@@ -322,7 +322,7 @@ static int cb710_mmc_send(struct cb710_slot *slot, struct mmc_data *data)
if (unlikely(data->blocks > 1 && data->blksz & 15))
return -EINVAL;
- sg_miter_start(&miter, data->sg, data->sg_len, 0);
+ sg_miter_start(&miter, data->sg, data->sg_len, SG_MITER_FROM_SG);
cb710_modify_port_8(slot, CB710_MMC_CONFIG2_PORT,
0, CB710_MMC_C2_READ_PIO_SIZE_MASK);
diff --git a/drivers/mmc/host/imxmmc.c b/drivers/mmc/host/imxmmc.c
index e0be21a4a69..bf98d7cc928 100644
--- a/drivers/mmc/host/imxmmc.c
+++ b/drivers/mmc/host/imxmmc.c
@@ -652,7 +652,7 @@ static irqreturn_t imxmci_irq(int irq, void *devid)
set_bit(IMXMCI_PEND_STARTED_b, &host->pending_events);
tasklet_schedule(&host->tasklet);
- return IRQ_RETVAL(handled);;
+ return IRQ_RETVAL(handled);
}
static void imxmci_tasklet_fnc(unsigned long data)
diff --git a/drivers/mmc/host/sdhci-of.c b/drivers/mmc/host/sdhci-of.c
index d79fa55c3b8..1e8aa590bb3 100644
--- a/drivers/mmc/host/sdhci-of.c
+++ b/drivers/mmc/host/sdhci-of.c
@@ -158,6 +158,13 @@ static unsigned int esdhc_get_max_clock(struct sdhci_host *host)
return of_host->clock;
}
+static unsigned int esdhc_get_min_clock(struct sdhci_host *host)
+{
+ struct sdhci_of_host *of_host = sdhci_priv(host);
+
+ return of_host->clock / 256 / 16;
+}
+
static unsigned int esdhc_get_timeout_clock(struct sdhci_host *host)
{
struct sdhci_of_host *of_host = sdhci_priv(host);
@@ -184,6 +191,7 @@ static struct sdhci_of_data sdhci_esdhc = {
.set_clock = esdhc_set_clock,
.enable_dma = esdhc_enable_dma,
.get_max_clock = esdhc_get_max_clock,
+ .get_min_clock = esdhc_get_min_clock,
.get_timeout_clock = esdhc_get_timeout_clock,
},
};
@@ -226,7 +234,7 @@ static int __devinit sdhci_of_probe(struct of_device *ofdev,
return -ENODEV;
host = sdhci_alloc_host(&ofdev->dev, sizeof(*of_host));
- if (!host)
+ if (IS_ERR(host))
return -ENOMEM;
of_host = sdhci_priv(host);
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 6779b4ecab1..fc96f8cb9c0 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -773,8 +773,14 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data)
}
if (!(host->flags & SDHCI_REQ_USE_DMA)) {
- sg_miter_start(&host->sg_miter,
- data->sg, data->sg_len, SG_MITER_ATOMIC);
+ int flags;
+
+ flags = SG_MITER_ATOMIC;
+ if (host->data->flags & MMC_DATA_READ)
+ flags |= SG_MITER_TO_SG;
+ else
+ flags |= SG_MITER_FROM_SG;
+ sg_miter_start(&host->sg_miter, data->sg, data->sg_len, flags);
host->blocks = data->blocks;
}
@@ -1766,7 +1772,10 @@ int sdhci_add_host(struct sdhci_host *host)
* Set host parameters.
*/
mmc->ops = &sdhci_ops;
- mmc->f_min = host->max_clk / 256;
+ if (host->ops->get_min_clock)
+ mmc->f_min = host->ops->get_min_clock(host);
+ else
+ mmc->f_min = host->max_clk / 256;
mmc->f_max = host->max_clk;
mmc->caps = MMC_CAP_SDIO_IRQ;
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 831ddf7dcb4..c77e9ff3022 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -302,6 +302,7 @@ struct sdhci_ops {
int (*enable_dma)(struct sdhci_host *host);
unsigned int (*get_max_clock)(struct sdhci_host *host);
+ unsigned int (*get_min_clock)(struct sdhci_host *host);
unsigned int (*get_timeout_clock)(struct sdhci_host *host);
};