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-rw-r--r--drivers/mmc/core/sdio.c5
-rw-r--r--drivers/mmc/host/at91_mci.c1
-rw-r--r--drivers/mmc/host/imxmmc.c3
-rw-r--r--drivers/mmc/host/mmci.c62
-rw-r--r--drivers/mmc/host/mmci.h22
-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.c12
-rw-r--r--drivers/mmc/host/tmio_mmc.c7
-rw-r--r--drivers/mmc/host/tmio_mmc.h13
10 files changed, 87 insertions, 43 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index bd2755e8d9a..f332c52968b 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/at91_mci.c b/drivers/mmc/host/at91_mci.c
index 5f3a599ead0..87226cd202a 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 9a68ff4353a..5a950b16d9e 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/mmci.c b/drivers/mmc/host/mmci.c
index 840b301b567..f2e02d7d9f3 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -41,23 +41,35 @@ static unsigned int fmax = 515633;
* @clkreg: default value for MCICLOCK register
* @clkreg_enable: enable value for MMCICLOCK register
* @datalength_bits: number of bits in the MMCIDATALENGTH register
+ * @fifosize: number of bytes that can be written when MMCI_TXFIFOEMPTY
+ * is asserted (likewise for RX)
+ * @fifohalfsize: number of bytes that can be written when MCI_TXFIFOHALFEMPTY
+ * is asserted (likewise for RX)
*/
struct variant_data {
unsigned int clkreg;
unsigned int clkreg_enable;
unsigned int datalength_bits;
+ unsigned int fifosize;
+ unsigned int fifohalfsize;
};
static struct variant_data variant_arm = {
+ .fifosize = 16 * 4,
+ .fifohalfsize = 8 * 4,
.datalength_bits = 16,
};
static struct variant_data variant_u300 = {
+ .fifosize = 16 * 4,
+ .fifohalfsize = 8 * 4,
.clkreg_enable = 1 << 13, /* HWFCEN */
.datalength_bits = 16,
};
static struct variant_data variant_ux500 = {
+ .fifosize = 30 * 4,
+ .fifohalfsize = 8 * 4,
.clkreg = MCI_CLK_ENABLE,
.clkreg_enable = 1 << 14, /* HWFCEN */
.datalength_bits = 24,
@@ -138,6 +150,7 @@ static void mmci_init_sg(struct mmci_host *host, struct mmc_data *data)
static void mmci_start_data(struct mmci_host *host, struct mmc_data *data)
{
+ struct variant_data *variant = host->variant;
unsigned int datactrl, timeout, irqmask;
unsigned long long clks;
void __iomem *base;
@@ -173,7 +186,7 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data)
* If we have less than a FIFOSIZE of bytes to transfer,
* trigger a PIO interrupt as soon as any data is available.
*/
- if (host->size < MCI_FIFOSIZE)
+ if (host->size < variant->fifosize)
irqmask |= MCI_RXDATAAVLBLMASK;
} else {
/*
@@ -332,13 +345,15 @@ static int mmci_pio_read(struct mmci_host *host, char *buffer, unsigned int rema
static int mmci_pio_write(struct mmci_host *host, char *buffer, unsigned int remain, u32 status)
{
+ struct variant_data *variant = host->variant;
void __iomem *base = host->base;
char *ptr = buffer;
do {
unsigned int count, maxcnt;
- maxcnt = status & MCI_TXFIFOEMPTY ? MCI_FIFOSIZE : MCI_FIFOHALFSIZE;
+ maxcnt = status & MCI_TXFIFOEMPTY ?
+ variant->fifosize : variant->fifohalfsize;
count = min(remain, maxcnt);
writesl(base + MMCIFIFO, ptr, count >> 2);
@@ -362,6 +377,7 @@ static irqreturn_t mmci_pio_irq(int irq, void *dev_id)
{
struct mmci_host *host = dev_id;
struct sg_mapping_iter *sg_miter = &host->sg_miter;
+ struct variant_data *variant = host->variant;
void __iomem *base = host->base;
unsigned long flags;
u32 status;
@@ -420,7 +436,7 @@ static irqreturn_t mmci_pio_irq(int irq, void *dev_id)
* If we're nearing the end of the read, switch to
* "any data available" mode.
*/
- if (status & MCI_RXACTIVE && host->size < MCI_FIFOSIZE)
+ if (status & MCI_RXACTIVE && host->size < variant->fifosize)
writel(MCI_RXDATAAVLBLMASK, base + MMCIMASK1);
/*
@@ -564,18 +580,23 @@ static int mmci_get_ro(struct mmc_host *mmc)
if (host->gpio_wp == -ENOSYS)
return -ENOSYS;
- return gpio_get_value(host->gpio_wp);
+ return gpio_get_value_cansleep(host->gpio_wp);
}
static int mmci_get_cd(struct mmc_host *mmc)
{
struct mmci_host *host = mmc_priv(mmc);
+ struct mmci_platform_data *plat = host->plat;
unsigned int status;
- if (host->gpio_cd == -ENOSYS)
- status = host->plat->status(mmc_dev(host->mmc));
- else
- status = !gpio_get_value(host->gpio_cd);
+ if (host->gpio_cd == -ENOSYS) {
+ if (!plat->status)
+ return 1; /* Assume always present */
+
+ status = plat->status(mmc_dev(host->mmc));
+ } else
+ status = !!gpio_get_value_cansleep(host->gpio_cd)
+ ^ plat->cd_invert;
/*
* Use positive logic throughout - status is zero for no card,
@@ -584,6 +605,15 @@ static int mmci_get_cd(struct mmc_host *mmc)
return status;
}
+static irqreturn_t mmci_cd_irq(int irq, void *dev_id)
+{
+ struct mmci_host *host = dev_id;
+
+ mmc_detect_change(host->mmc, msecs_to_jiffies(500));
+
+ return IRQ_HANDLED;
+}
+
static const struct mmc_host_ops mmci_ops = {
.request = mmci_request,
.set_ios = mmci_set_ios,
@@ -620,6 +650,7 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
host->gpio_wp = -ENOSYS;
host->gpio_cd = -ENOSYS;
+ host->gpio_cd_irq = -1;
host->hw_designer = amba_manf(dev);
host->hw_revision = amba_rev(dev);
@@ -699,7 +730,6 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
if (host->vcc == NULL)
mmc->ocr_avail = plat->ocr_mask;
mmc->caps = plat->capabilities;
- mmc->caps |= MMC_CAP_NEEDS_POLL;
/*
* We can do SGIO
@@ -744,6 +774,12 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
host->gpio_cd = plat->gpio_cd;
else if (ret != -ENOSYS)
goto err_gpio_cd;
+
+ ret = request_any_context_irq(gpio_to_irq(plat->gpio_cd),
+ mmci_cd_irq, 0,
+ DRIVER_NAME " (cd)", host);
+ if (ret >= 0)
+ host->gpio_cd_irq = gpio_to_irq(plat->gpio_cd);
}
if (gpio_is_valid(plat->gpio_wp)) {
ret = gpio_request(plat->gpio_wp, DRIVER_NAME " (wp)");
@@ -755,6 +791,10 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
goto err_gpio_wp;
}
+ if ((host->plat->status || host->gpio_cd != -ENOSYS)
+ && host->gpio_cd_irq < 0)
+ mmc->caps |= MMC_CAP_NEEDS_POLL;
+
ret = request_irq(dev->irq[0], mmci_irq, IRQF_SHARED, DRIVER_NAME " (cmd)", host);
if (ret)
goto unmap;
@@ -781,6 +821,8 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
if (host->gpio_wp != -ENOSYS)
gpio_free(host->gpio_wp);
err_gpio_wp:
+ if (host->gpio_cd_irq >= 0)
+ free_irq(host->gpio_cd_irq, host);
if (host->gpio_cd != -ENOSYS)
gpio_free(host->gpio_cd);
err_gpio_cd:
@@ -819,6 +861,8 @@ static int __devexit mmci_remove(struct amba_device *dev)
if (host->gpio_wp != -ENOSYS)
gpio_free(host->gpio_wp);
+ if (host->gpio_cd_irq >= 0)
+ free_irq(host->gpio_cd_irq, host);
if (host->gpio_cd != -ENOSYS)
gpio_free(host->gpio_cd);
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h
index 68970cfb81e..4ae887fc018 100644
--- a/drivers/mmc/host/mmci.h
+++ b/drivers/mmc/host/mmci.h
@@ -54,10 +54,16 @@
#define MCI_DPSM_MODE (1 << 2)
#define MCI_DPSM_DMAENABLE (1 << 3)
#define MCI_DPSM_BLOCKSIZE (1 << 4)
-#define MCI_DPSM_RWSTART (1 << 8)
-#define MCI_DPSM_RWSTOP (1 << 9)
-#define MCI_DPSM_RWMOD (1 << 10)
-#define MCI_DPSM_SDIOEN (1 << 11)
+/* Control register extensions in the ST Micro U300 and Ux500 versions */
+#define MCI_ST_DPSM_RWSTART (1 << 8)
+#define MCI_ST_DPSM_RWSTOP (1 << 9)
+#define MCI_ST_DPSM_RWMOD (1 << 10)
+#define MCI_ST_DPSM_SDIOEN (1 << 11)
+/* Control register extensions in the ST Micro Ux500 versions */
+#define MCI_ST_DPSM_DMAREQCTL (1 << 12)
+#define MCI_ST_DPSM_DBOOTMODEEN (1 << 13)
+#define MCI_ST_DPSM_BUSYMODE (1 << 14)
+#define MCI_ST_DPSM_DDRMODE (1 << 15)
#define MMCIDATACNT 0x030
#define MMCISTATUS 0x034
@@ -133,13 +139,6 @@
MCI_DATATIMEOUTMASK|MCI_TXUNDERRUNMASK|MCI_RXOVERRUNMASK| \
MCI_CMDRESPENDMASK|MCI_CMDSENTMASK|MCI_DATABLOCKENDMASK)
-/*
- * The size of the FIFO in bytes.
- */
-#define MCI_FIFOSIZE (16*4)
-
-#define MCI_FIFOHALFSIZE (MCI_FIFOSIZE / 2)
-
#define NR_SG 16
struct clk;
@@ -154,6 +153,7 @@ struct mmci_host {
struct clk *clk;
int gpio_cd;
int gpio_wp;
+ int gpio_cd_irq;
unsigned int data_xfered;
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 4a8776f8afd..4526d2791f2 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 2e16e0a90a5..976330de379 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 71ad4163b95..aacb862ecc8 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -241,8 +241,10 @@ static struct sdhci_ops sdhci_s3c_ops = {
static void sdhci_s3c_notify_change(struct platform_device *dev, int state)
{
struct sdhci_host *host = platform_get_drvdata(dev);
+ unsigned long flags;
+
if (host) {
- spin_lock(&host->lock);
+ spin_lock_irqsave(&host->lock, flags);
if (state) {
dev_dbg(&dev->dev, "card inserted.\n");
host->flags &= ~SDHCI_DEVICE_DEAD;
@@ -253,7 +255,7 @@ static void sdhci_s3c_notify_change(struct platform_device *dev, int state)
host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION;
}
tasklet_schedule(&host->card_tasklet);
- spin_unlock(&host->lock);
+ spin_unlock_irqrestore(&host->lock, flags);
}
}
@@ -481,8 +483,10 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
sdhci_remove_host(host, 1);
for (ptr = 0; ptr < 3; ptr++) {
- clk_disable(sc->clk_bus[ptr]);
- clk_put(sc->clk_bus[ptr]);
+ if (sc->clk_bus[ptr]) {
+ clk_disable(sc->clk_bus[ptr]);
+ clk_put(sc->clk_bus[ptr]);
+ }
}
clk_disable(sc->clk_io);
clk_put(sc->clk_io);
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index ee7d0a5a51c..69d98e3bf6a 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 64f7d5dfc10..0fedc78e3ea 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);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-05 10:47:00 +0000