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Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/card/block.c8
-rw-r--r--drivers/mmc/card/queue.c18
-rw-r--r--drivers/mmc/core/mmc.c2
-rw-r--r--drivers/mmc/host/tmio_mmc.c59
-rw-r--r--drivers/mmc/host/tmio_mmc.h46
5 files changed, 43 insertions, 90 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 85f0e8cd875..1f552c6e757 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -85,7 +85,14 @@ static void mmc_blk_put(struct mmc_blk_data *md)
mutex_lock(&open_lock);
md->usage--;
if (md->usage == 0) {
+ int devmaj = MAJOR(disk_devt(md->disk));
int devidx = MINOR(disk_devt(md->disk)) >> MMC_SHIFT;
+
+ if (!devmaj)
+ devidx = md->disk->first_minor >> MMC_SHIFT;
+
+ blk_cleanup_queue(md->queue.queue);
+
__clear_bit(devidx, dev_use);
put_disk(md->disk);
@@ -613,6 +620,7 @@ static int mmc_blk_probe(struct mmc_card *card)
return 0;
out:
+ mmc_cleanup_queue(&md->queue);
mmc_blk_put(md);
return err;
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 49e582356c6..c5a7a855f4b 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -90,9 +90,10 @@ static void mmc_request(struct request_queue *q)
struct request *req;
if (!mq) {
- printk(KERN_ERR "MMC: killing requests for dead queue\n");
- while ((req = blk_fetch_request(q)) != NULL)
+ while ((req = blk_fetch_request(q)) != NULL) {
+ req->cmd_flags |= REQ_QUIET;
__blk_end_request_all(req, -EIO);
+ }
return;
}
@@ -223,17 +224,18 @@ void mmc_cleanup_queue(struct mmc_queue *mq)
struct request_queue *q = mq->queue;
unsigned long flags;
- /* Mark that we should start throwing out stragglers */
- spin_lock_irqsave(q->queue_lock, flags);
- q->queuedata = NULL;
- spin_unlock_irqrestore(q->queue_lock, flags);
-
/* Make sure the queue isn't suspended, as that will deadlock */
mmc_queue_resume(mq);
/* Then terminate our worker thread */
kthread_stop(mq->thread);
+ /* Empty the queue */
+ spin_lock_irqsave(q->queue_lock, flags);
+ q->queuedata = NULL;
+ blk_start_queue(q);
+ spin_unlock_irqrestore(q->queue_lock, flags);
+
if (mq->bounce_sg)
kfree(mq->bounce_sg);
mq->bounce_sg = NULL;
@@ -245,8 +247,6 @@ void mmc_cleanup_queue(struct mmc_queue *mq)
kfree(mq->bounce_buf);
mq->bounce_buf = NULL;
- blk_cleanup_queue(mq->queue);
-
mq->card = NULL;
}
EXPORT_SYMBOL(mmc_cleanup_queue);
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index c11189446a1..0eac6c81490 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -207,7 +207,7 @@ static int mmc_read_ext_csd(struct mmc_card *card)
}
card->ext_csd.rev = ext_csd[EXT_CSD_REV];
- if (card->ext_csd.rev > 3) {
+ if (card->ext_csd.rev > 5) {
printk(KERN_ERR "%s: unrecognised EXT_CSD structure "
"version %d\n", mmc_hostname(card->host),
card->ext_csd.rev);
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index 7cccc852374..e22c3fa3516 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -46,7 +46,9 @@ static void tmio_mmc_set_clock(struct tmio_mmc_host *host, int new_clock)
clk |= 0x100;
}
- sd_config_write8(host, CNF_SD_CLK_MODE, clk >> 22);
+ if (host->set_clk_div)
+ host->set_clk_div(host->pdev, (clk>>22) & 1);
+
sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, clk & 0x1ff);
}
@@ -427,12 +429,13 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
/* Power sequence - OFF -> ON -> UP */
switch (ios->power_mode) {
case MMC_POWER_OFF: /* power down SD bus */
- sd_config_write8(host, CNF_PWR_CTL_2, 0x00);
+ if (host->set_pwr)
+ host->set_pwr(host->pdev, 0);
tmio_mmc_clk_stop(host);
break;
case MMC_POWER_ON: /* power up SD bus */
-
- sd_config_write8(host, CNF_PWR_CTL_2, 0x02);
+ if (host->set_pwr)
+ host->set_pwr(host->pdev, 1);
break;
case MMC_POWER_UP: /* start bus clock */
tmio_mmc_clk_start(host);
@@ -485,21 +488,15 @@ static int tmio_mmc_resume(struct platform_device *dev)
{
struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data;
struct mmc_host *mmc = platform_get_drvdata(dev);
- struct tmio_mmc_host *host = mmc_priv(mmc);
int ret = 0;
/* Tell the MFD core we are ready to be enabled */
- if (cell->enable) {
- ret = cell->enable(dev);
+ if (cell->resume) {
+ ret = cell->resume(dev);
if (ret)
goto out;
}
- /* Enable the MMC/SD Control registers */
- sd_config_write16(host, CNF_CMD, SDCREN);
- sd_config_write32(host, CNF_CTL_BASE,
- (dev->resource[0].start >> host->bus_shift) & 0xfffe);
-
mmc_resume_host(mmc);
out:
@@ -514,17 +511,16 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev)
{
struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data;
struct tmio_mmc_data *pdata;
- struct resource *res_ctl, *res_cnf;
+ struct resource *res_ctl;
struct tmio_mmc_host *host;
struct mmc_host *mmc;
int ret = -EINVAL;
- if (dev->num_resources != 3)
+ if (dev->num_resources != 2)
goto out;
res_ctl = platform_get_resource(dev, IORESOURCE_MEM, 0);
- res_cnf = platform_get_resource(dev, IORESOURCE_MEM, 1);
- if (!res_ctl || !res_cnf)
+ if (!res_ctl)
goto out;
pdata = cell->driver_data;
@@ -539,8 +535,12 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev)
host = mmc_priv(mmc);
host->mmc = mmc;
+ host->pdev = dev;
platform_set_drvdata(dev, mmc);
+ host->set_pwr = pdata->set_pwr;
+ host->set_clk_div = pdata->set_clk_div;
+
/* SD control register space size is 0x200, 0x400 for bus_shift=1 */
host->bus_shift = resource_size(res_ctl) >> 10;
@@ -548,10 +548,6 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev)
if (!host->ctl)
goto host_free;
- host->cnf = ioremap(res_cnf->start, resource_size(res_cnf));
- if (!host->cnf)
- goto unmap_ctl;
-
mmc->ops = &tmio_mmc_ops;
mmc->caps = MMC_CAP_4_BIT_DATA;
mmc->f_max = pdata->hclk;
@@ -562,23 +558,9 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev)
if (cell->enable) {
ret = cell->enable(dev);
if (ret)
- goto unmap_cnf;
+ goto unmap_ctl;
}
- /* Enable the MMC/SD Control registers */
- sd_config_write16(host, CNF_CMD, SDCREN);
- sd_config_write32(host, CNF_CTL_BASE,
- (dev->resource[0].start >> host->bus_shift) & 0xfffe);
-
- /* Disable SD power during suspend */
- sd_config_write8(host, CNF_PWR_CTL_3, 0x01);
-
- /* The below is required but why? FIXME */
- sd_config_write8(host, CNF_STOP_CLK_CTL, 0x1f);
-
- /* Power down SD bus*/
- sd_config_write8(host, CNF_PWR_CTL_2, 0x00);
-
tmio_mmc_clk_stop(host);
reset(host);
@@ -586,14 +568,14 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev)
if (ret >= 0)
host->irq = ret;
else
- goto unmap_cnf;
+ goto unmap_ctl;
disable_mmc_irqs(host, TMIO_MASK_ALL);
ret = request_irq(host->irq, tmio_mmc_irq, IRQF_DISABLED |
IRQF_TRIGGER_FALLING, dev_name(&dev->dev), host);
if (ret)
- goto unmap_cnf;
+ goto unmap_ctl;
mmc_add_host(mmc);
@@ -605,8 +587,6 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev)
return 0;
-unmap_cnf:
- iounmap(host->cnf);
unmap_ctl:
iounmap(host->ctl);
host_free:
@@ -626,7 +606,6 @@ static int __devexit tmio_mmc_remove(struct platform_device *dev)
mmc_remove_host(mmc);
free_irq(host->irq, host);
iounmap(host->ctl);
- iounmap(host->cnf);
mmc_free_host(mmc);
}
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index 9fa99859497..692dc23363b 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -11,26 +11,6 @@
#include <linux/highmem.h>
-#define CNF_CMD 0x04
-#define CNF_CTL_BASE 0x10
-#define CNF_INT_PIN 0x3d
-#define CNF_STOP_CLK_CTL 0x40
-#define CNF_GCLK_CTL 0x41
-#define CNF_SD_CLK_MODE 0x42
-#define CNF_PIN_STATUS 0x44
-#define CNF_PWR_CTL_1 0x48
-#define CNF_PWR_CTL_2 0x49
-#define CNF_PWR_CTL_3 0x4a
-#define CNF_CARD_DETECT_MODE 0x4c
-#define CNF_SD_SLOT 0x50
-#define CNF_EXT_GCLK_CTL_1 0xf0
-#define CNF_EXT_GCLK_CTL_2 0xf1
-#define CNF_EXT_GCLK_CTL_3 0xf9
-#define CNF_SD_LED_EN_1 0xfa
-#define CNF_SD_LED_EN_2 0xfe
-
-#define SDCREN 0x2 /* Enable access to MMC CTL regs. (flag in COMMAND_REG)*/
-
#define CTL_SD_CMD 0x00
#define CTL_ARG_REG 0x04
#define CTL_STOP_INTERNAL_ACTION 0x08
@@ -110,7 +90,6 @@
struct tmio_mmc_host {
- void __iomem *cnf;
void __iomem *ctl;
unsigned long bus_shift;
struct mmc_command *cmd;
@@ -119,10 +98,16 @@ struct tmio_mmc_host {
struct mmc_host *mmc;
int irq;
+ /* Callbacks for clock / power control */
+ void (*set_pwr)(struct platform_device *host, int state);
+ void (*set_clk_div)(struct platform_device *host, int state);
+
/* pio related stuff */
struct scatterlist *sg_ptr;
unsigned int sg_len;
unsigned int sg_off;
+
+ struct platform_device *pdev;
};
#include <linux/io.h>
@@ -163,25 +148,6 @@ static inline void sd_ctrl_write32(struct tmio_mmc_host *host, int addr,
writew(val >> 16, host->ctl + ((addr + 2) << host->bus_shift));
}
-static inline void sd_config_write8(struct tmio_mmc_host *host, int addr,
- u8 val)
-{
- writeb(val, host->cnf + (addr << host->bus_shift));
-}
-
-static inline void sd_config_write16(struct tmio_mmc_host *host, int addr,
- u16 val)
-{
- writew(val, host->cnf + (addr << host->bus_shift));
-}
-
-static inline void sd_config_write32(struct tmio_mmc_host *host, int addr,
- u32 val)
-{
- writew(val, host->cnf + (addr << host->bus_shift));
- writew(val >> 16, host->cnf + ((addr + 2) << host->bus_shift));
-}
-
#include <linux/scatterlist.h>
#include <linux/blkdev.h>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 22:05:59 +0000