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-rw-r--r--drivers/mmc/core/host.c2
-rw-r--r--drivers/mmc/core/sdio.c5
-rw-r--r--drivers/mmc/host/Kconfig11
-rw-r--r--drivers/mmc/host/Makefile2
-rw-r--r--drivers/mmc/host/at91_mci.c1
-rw-r--r--drivers/mmc/host/imxmmc.c3
-rw-r--r--drivers/mmc/host/mmc_spi.c59
-rw-r--r--drivers/mmc/host/msm_sdcc.c35
-rw-r--r--drivers/mmc/host/omap_hsmmc.c3
-rw-r--r--drivers/mmc/host/s3cmci.c2
-rw-r--r--drivers/mmc/host/sdhci-s3c.c6
-rw-r--r--drivers/mmc/host/sdhci.c3
-rw-r--r--drivers/mmc/host/sdhci.h2
-rw-r--r--drivers/mmc/host/tmio_mmc.c7
-rw-r--r--drivers/mmc/host/tmio_mmc.h13
15 files changed, 65 insertions, 89 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 0efe631e50ca..d80cfdc8edd2 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -86,7 +86,9 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
init_waitqueue_head(&host->wq);
INIT_DELAYED_WORK(&host->detect, mmc_rescan);
INIT_DELAYED_WORK_DEFERRABLE(&host->disable, mmc_host_deeper_disable);
+#ifdef CONFIG_PM
host->pm_notify.notifier_call = mmc_pm_notify;
+#endif
/*
* By default, hosts do not support SGIO or large requests.
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index bd2755e8d9a3..f332c52968b7 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -362,9 +362,8 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
goto err;
}
- err = mmc_sd_get_cid(host, host->ocr & ocr, card->raw_cid);
-
- if (!err) {
+ if (ocr & R4_MEMORY_PRESENT
+ && mmc_sd_get_cid(host, host->ocr & ocr, card->raw_cid) == 0) {
card->type = MMC_TYPE_SD_COMBO;
if (oldcard && (oldcard->type != MMC_TYPE_SD_COMBO ||
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index c997474c649f..68d12794cfd9 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -132,7 +132,7 @@ config MMC_SDHCI_CNS3XXX
config MMC_SDHCI_S3C
tristate "SDHCI support on Samsung S3C SoC"
- depends on MMC_SDHCI && (PLAT_S3C24XX || PLAT_S3C64XX)
+ depends on MMC_SDHCI && PLAT_SAMSUNG
help
This selects the Secure Digital Host Controller Interface (SDHCI)
often referrered to as the HSMMC block in some of the Samsung S3C
@@ -256,12 +256,13 @@ config MMC_IMX
If unsure, say N.
-config MMC_MSM7X00A
- tristate "Qualcomm MSM 7X00A SDCC Controller Support"
- depends on MMC && ARCH_MSM && !ARCH_MSM7X30
+config MMC_MSM
+ tristate "Qualcomm SDCC Controller Support"
+ depends on MMC && ARCH_MSM
help
This provides support for the SD/MMC cell found in the
- MSM 7X00A controllers from Qualcomm.
+ MSM and QSD SOCs from Qualcomm. The controller also has
+ support for SDIO devices.
config MMC_MXC
tristate "Freescale i.MX2/3 Multimedia Card Interface support"
diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
index fe0ba4e2b8b0..840bcb52d82f 100644
--- a/drivers/mmc/host/Makefile
+++ b/drivers/mmc/host/Makefile
@@ -21,7 +21,7 @@ obj-$(CONFIG_MMC_OMAP_HS) += omap_hsmmc.o
obj-$(CONFIG_MMC_AT91) += at91_mci.o
obj-$(CONFIG_MMC_ATMELMCI) += atmel-mci.o
obj-$(CONFIG_MMC_TIFM_SD) += tifm_sd.o
-obj-$(CONFIG_MMC_MSM7X00A) += msm_sdcc.o
+obj-$(CONFIG_MMC_MSM) += msm_sdcc.o
obj-$(CONFIG_MMC_MVSDIO) += mvsdio.o
obj-$(CONFIG_MMC_DAVINCI) += davinci_mmc.o
obj-$(CONFIG_MMC_SPI) += mmc_spi.o
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index 5f3a599ead07..87226cd202a5 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -66,6 +66,7 @@
#include <linux/clk.h>
#include <linux/atmel_pdc.h>
#include <linux/gfp.h>
+#include <linux/highmem.h>
#include <linux/mmc/host.h>
diff --git a/drivers/mmc/host/imxmmc.c b/drivers/mmc/host/imxmmc.c
index 9a68ff4353a2..5a950b16d9e6 100644
--- a/drivers/mmc/host/imxmmc.c
+++ b/drivers/mmc/host/imxmmc.c
@@ -148,11 +148,12 @@ static int imxmci_start_clock(struct imxmci_host *host)
while (delay--) {
reg = readw(host->base + MMC_REG_STATUS);
- if (reg & STATUS_CARD_BUS_CLK_RUN)
+ if (reg & STATUS_CARD_BUS_CLK_RUN) {
/* Check twice before cut */
reg = readw(host->base + MMC_REG_STATUS);
if (reg & STATUS_CARD_BUS_CLK_RUN)
return 0;
+ }
if (test_bit(IMXMCI_PEND_STARTED_b, &host->pending_events))
return 0;
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 1145ea0792e6..62a35822003e 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -182,7 +182,7 @@ mmc_spi_readbytes(struct mmc_spi_host *host, unsigned len)
host->data_dma, sizeof(*host->data),
DMA_FROM_DEVICE);
- status = spi_sync(host->spi, &host->readback);
+ status = spi_sync_locked(host->spi, &host->readback);
if (host->dma_dev)
dma_sync_single_for_cpu(host->dma_dev,
@@ -541,7 +541,7 @@ mmc_spi_command_send(struct mmc_spi_host *host,
host->data_dma, sizeof(*host->data),
DMA_BIDIRECTIONAL);
}
- status = spi_sync(host->spi, &host->m);
+ status = spi_sync_locked(host->spi, &host->m);
if (host->dma_dev)
dma_sync_single_for_cpu(host->dma_dev,
@@ -685,7 +685,7 @@ mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t,
host->data_dma, sizeof(*scratch),
DMA_BIDIRECTIONAL);
- status = spi_sync(spi, &host->m);
+ status = spi_sync_locked(spi, &host->m);
if (status != 0) {
dev_dbg(&spi->dev, "write error (%d)\n", status);
@@ -822,7 +822,7 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t,
DMA_FROM_DEVICE);
}
- status = spi_sync(spi, &host->m);
+ status = spi_sync_locked(spi, &host->m);
if (host->dma_dev) {
dma_sync_single_for_cpu(host->dma_dev,
@@ -1018,7 +1018,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
host->data_dma, sizeof(*scratch),
DMA_BIDIRECTIONAL);
- tmp = spi_sync(spi, &host->m);
+ tmp = spi_sync_locked(spi, &host->m);
if (host->dma_dev)
dma_sync_single_for_cpu(host->dma_dev,
@@ -1084,6 +1084,9 @@ static void mmc_spi_request(struct mmc_host *mmc, struct mmc_request *mrq)
}
#endif
+ /* request exclusive bus access */
+ spi_bus_lock(host->spi->master);
+
/* issue command; then optionally data and stop */
status = mmc_spi_command_send(host, mrq, mrq->cmd, mrq->data != NULL);
if (status == 0 && mrq->data) {
@@ -1094,6 +1097,9 @@ static void mmc_spi_request(struct mmc_host *mmc, struct mmc_request *mrq)
mmc_cs_off(host);
}
+ /* release the bus */
+ spi_bus_unlock(host->spi->master);
+
mmc_request_done(host->mmc, mrq);
}
@@ -1290,23 +1296,6 @@ mmc_spi_detect_irq(int irq, void *mmc)
return IRQ_HANDLED;
}
-struct count_children {
- unsigned n;
- struct bus_type *bus;
-};
-
-static int maybe_count_child(struct device *dev, void *c)
-{
- struct count_children *ccp = c;
-
- if (dev->bus == ccp->bus) {
- if (ccp->n)
- return -EBUSY;
- ccp->n++;
- }
- return 0;
-}
-
static int mmc_spi_probe(struct spi_device *spi)
{
void *ones;
@@ -1338,32 +1327,6 @@ static int mmc_spi_probe(struct spi_device *spi)
return status;
}
- /* We can use the bus safely iff nobody else will interfere with us.
- * Most commands consist of one SPI message to issue a command, then
- * several more to collect its response, then possibly more for data
- * transfer. Clocking access to other devices during that period will
- * corrupt the command execution.
- *
- * Until we have software primitives which guarantee non-interference,
- * we'll aim for a hardware-level guarantee.
- *
- * REVISIT we can't guarantee another device won't be added later...
- */
- if (spi->master->num_chipselect > 1) {
- struct count_children cc;
-
- cc.n = 0;
- cc.bus = spi->dev.bus;
- status = device_for_each_child(spi->dev.parent, &cc,
- maybe_count_child);
- if (status < 0) {
- dev_err(&spi->dev, "can't share SPI bus\n");
- return status;
- }
-
- dev_warn(&spi->dev, "ASSUMING SPI bus stays unshared!\n");
- }
-
/* We need a supply of ones to transmit. This is the only time
* the CPU touches these, so cache coherency isn't a concern.
*
diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 6824917f5c60..ff7752348b11 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -160,18 +160,7 @@ msmsdcc_stop_data(struct msmsdcc_host *host)
uint32_t msmsdcc_fifo_addr(struct msmsdcc_host *host)
{
- switch (host->pdev_id) {
- case 1:
- return MSM_SDC1_PHYS + MMCIFIFO;
- case 2:
- return MSM_SDC2_PHYS + MMCIFIFO;
- case 3:
- return MSM_SDC3_PHYS + MMCIFIFO;
- case 4:
- return MSM_SDC4_PHYS + MMCIFIFO;
- }
- BUG();
- return 0;
+ return host->memres->start + MMCIFIFO;
}
static inline void
@@ -1289,6 +1278,24 @@ msmsdcc_probe(struct platform_device *pdev)
return ret;
}
+#ifdef CONFIG_PM
+#ifdef CONFIG_MMC_MSM7X00A_RESUME_IN_WQ
+static void
+do_resume_work(struct work_struct *work)
+{
+ struct msmsdcc_host *host =
+ container_of(work, struct msmsdcc_host, resume_task);
+ struct mmc_host *mmc = host->mmc;
+
+ if (mmc) {
+ mmc_resume_host(mmc);
+ if (host->stat_irq)
+ enable_irq(host->stat_irq);
+ }
+}
+#endif
+
+
static int
msmsdcc_suspend(struct platform_device *dev, pm_message_t state)
{
@@ -1333,6 +1340,10 @@ msmsdcc_resume(struct platform_device *dev)
}
return 0;
}
+#else
+#define msmsdcc_suspend 0
+#define msmsdcc_resume 0
+#endif
static struct platform_driver msmsdcc_driver = {
.probe = msmsdcc_probe,
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 4a8776f8afdd..4526d2791f29 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -2305,7 +2305,6 @@ static int omap_hsmmc_suspend(struct device *dev)
int ret = 0;
struct platform_device *pdev = to_platform_device(dev);
struct omap_hsmmc_host *host = platform_get_drvdata(pdev);
- pm_message_t state = PMSG_SUSPEND; /* unused by MMC core */
if (host && host->suspended)
return 0;
@@ -2324,8 +2323,8 @@ static int omap_hsmmc_suspend(struct device *dev)
}
}
cancel_work_sync(&host->mmc_carddetect_work);
- mmc_host_enable(host->mmc);
ret = mmc_suspend_host(host->mmc);
+ mmc_host_enable(host->mmc);
if (ret == 0) {
omap_hsmmc_disable_irq(host);
OMAP_HSMMC_WRITE(host->base, HCTL,
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index 2e16e0a90a5e..976330de379e 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -1600,7 +1600,7 @@ static int __devinit s3cmci_probe(struct platform_device *pdev)
host->pio_active = XFER_NONE;
#ifdef CONFIG_MMC_S3C_PIODMA
- host->dodma = host->pdata->dma;
+ host->dodma = host->pdata->use_dma;
#endif
host->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 0a7f2614c6f0..71ad4163b95e 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -242,7 +242,7 @@ static void sdhci_s3c_notify_change(struct platform_device *dev, int state)
{
struct sdhci_host *host = platform_get_drvdata(dev);
if (host) {
- mutex_lock(&host->lock);
+ spin_lock(&host->lock);
if (state) {
dev_dbg(&dev->dev, "card inserted.\n");
host->flags &= ~SDHCI_DEVICE_DEAD;
@@ -252,8 +252,8 @@ static void sdhci_s3c_notify_change(struct platform_device *dev, int state)
host->flags |= SDHCI_DEVICE_DEAD;
host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION;
}
- sdhci_card_detect(host);
- mutex_unlock(&host->lock);
+ tasklet_schedule(&host->card_tasklet);
+ spin_unlock(&host->lock);
}
}
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 785512133b50..401527d273b5 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1180,7 +1180,8 @@ static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
else
ctrl &= ~SDHCI_CTRL_4BITBUS;
- if (ios->timing == MMC_TIMING_SD_HS)
+ if (ios->timing == MMC_TIMING_SD_HS &&
+ !(host->quirks & SDHCI_QUIRK_NO_HISPD_BIT))
ctrl |= SDHCI_CTRL_HISPD;
else
ctrl &= ~SDHCI_CTRL_HISPD;
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 036cfae76368..d316bc79b636 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -245,6 +245,8 @@ struct sdhci_host {
#define SDHCI_QUIRK_MISSING_CAPS (1<<27)
/* Controller uses Auto CMD12 command to stop the transfer */
#define SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12 (1<<28)
+/* Controller doesn't have HISPD bit field in HI-SPEED SD card */
+#define SDHCI_QUIRK_NO_HISPD_BIT (1<<29)
int irq; /* Device IRQ */
void __iomem * ioaddr; /* Mapped address */
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index ee7d0a5a51c4..69d98e3bf6ab 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -164,6 +164,7 @@ tmio_mmc_start_command(struct tmio_mmc_host *host, struct mmc_command *cmd)
static void tmio_mmc_pio_irq(struct tmio_mmc_host *host)
{
struct mmc_data *data = host->data;
+ void *sg_virt;
unsigned short *buf;
unsigned int count;
unsigned long flags;
@@ -173,8 +174,8 @@ static void tmio_mmc_pio_irq(struct tmio_mmc_host *host)
return;
}
- buf = (unsigned short *)(tmio_mmc_kmap_atomic(host, &flags) +
- host->sg_off);
+ sg_virt = tmio_mmc_kmap_atomic(host->sg_ptr, &flags);
+ buf = (unsigned short *)(sg_virt + host->sg_off);
count = host->sg_ptr->length - host->sg_off;
if (count > data->blksz)
@@ -191,7 +192,7 @@ static void tmio_mmc_pio_irq(struct tmio_mmc_host *host)
host->sg_off += count;
- tmio_mmc_kunmap_atomic(host, &flags);
+ tmio_mmc_kunmap_atomic(sg_virt, &flags);
if (host->sg_off == host->sg_ptr->length)
tmio_mmc_next_sg(host);
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index 64f7d5dfc106..0fedc78e3ea5 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -82,10 +82,7 @@
#define ack_mmc_irqs(host, i) \
do { \
- u32 mask;\
- mask = sd_ctrl_read32((host), CTL_STATUS); \
- mask &= ~((i) & TMIO_MASK_IRQ); \
- sd_ctrl_write32((host), CTL_STATUS, mask); \
+ sd_ctrl_write32((host), CTL_STATUS, ~(i)); \
} while (0)
@@ -177,19 +174,17 @@ static inline int tmio_mmc_next_sg(struct tmio_mmc_host *host)
return --host->sg_len;
}
-static inline char *tmio_mmc_kmap_atomic(struct tmio_mmc_host *host,
+static inline char *tmio_mmc_kmap_atomic(struct scatterlist *sg,
unsigned long *flags)
{
- struct scatterlist *sg = host->sg_ptr;
-
local_irq_save(*flags);
return kmap_atomic(sg_page(sg), KM_BIO_SRC_IRQ) + sg->offset;
}
-static inline void tmio_mmc_kunmap_atomic(struct tmio_mmc_host *host,
+static inline void tmio_mmc_kunmap_atomic(void *virt,
unsigned long *flags)
{
- kunmap_atomic(sg_page(host->sg_ptr), KM_BIO_SRC_IRQ);
+ kunmap_atomic(virt, KM_BIO_SRC_IRQ);
local_irq_restore(*flags);
}
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