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-rw-r--r--drivers/mmc/card/block.c122
-rw-r--r--drivers/mmc/core/core.c77
-rw-r--r--drivers/mmc/core/mmc.c18
-rw-r--r--drivers/mmc/host/Makefile3
-rw-r--r--drivers/mmc/host/at91_mci.c4
-rw-r--r--drivers/mmc/host/atmel-mci.c2
-rw-r--r--drivers/mmc/host/mmc_spi.c4
-rw-r--r--drivers/mmc/host/of_mmc_spi.c149
-rw-r--r--drivers/mmc/host/pxamci.c2
-rw-r--r--drivers/mmc/host/ricoh_mmc.c17
-rw-r--r--drivers/mmc/host/sdhci-pci.c2
-rw-r--r--drivers/mmc/host/sdhci.c17
-rw-r--r--drivers/mmc/host/sdhci.h2
-rw-r--r--drivers/mmc/host/sdricoh_cs.c4
-rw-r--r--drivers/mmc/host/tmio_mmc.c3
15 files changed, 375 insertions, 51 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 3d067c35185..45b1f430685 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -145,7 +145,7 @@ struct mmc_blk_request {
static u32 mmc_sd_num_wr_blocks(struct mmc_card *card)
{
int err;
- u32 blocks;
+ __be32 blocks;
struct mmc_request mrq;
struct mmc_command cmd;
@@ -204,9 +204,24 @@ static u32 mmc_sd_num_wr_blocks(struct mmc_card *card)
if (cmd.error || data.error)
return (u32)-1;
- blocks = ntohl(blocks);
+ return ntohl(blocks);
+}
+
+static u32 get_card_status(struct mmc_card *card, struct request *req)
+{
+ struct mmc_command cmd;
+ int err;
- return blocks;
+ memset(&cmd, 0, sizeof(struct mmc_command));
+ cmd.opcode = MMC_SEND_STATUS;
+ if (!mmc_host_is_spi(card->host))
+ cmd.arg = card->rca << 16;
+ cmd.flags = MMC_RSP_SPI_R2 | MMC_RSP_R1 | MMC_CMD_AC;
+ err = mmc_wait_for_cmd(card->host, &cmd, 0);
+ if (err)
+ printk(KERN_ERR "%s: error %d sending status comand",
+ req->rq_disk->disk_name, err);
+ return cmd.resp[0];
}
static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
@@ -214,13 +229,13 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
struct mmc_blk_data *md = mq->data;
struct mmc_card *card = md->queue.card;
struct mmc_blk_request brq;
- int ret = 1;
+ int ret = 1, disable_multi = 0;
mmc_claim_host(card->host);
do {
struct mmc_command cmd;
- u32 readcmd, writecmd;
+ u32 readcmd, writecmd, status = 0;
memset(&brq, 0, sizeof(struct mmc_blk_request));
brq.mrq.cmd = &brq.cmd;
@@ -236,6 +251,14 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
brq.stop.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC;
brq.data.blocks = req->nr_sectors;
+ /*
+ * After a read error, we redo the request one sector at a time
+ * in order to accurately determine which sectors can be read
+ * successfully.
+ */
+ if (disable_multi && brq.data.blocks > 1)
+ brq.data.blocks = 1;
+
if (brq.data.blocks > 1) {
/* SPI multiblock writes terminate using a special
* token, not a STOP_TRANSMISSION request.
@@ -264,6 +287,25 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
brq.data.sg = mq->sg;
brq.data.sg_len = mmc_queue_map_sg(mq);
+ /*
+ * Adjust the sg list so it is the same size as the
+ * request.
+ */
+ if (brq.data.blocks != req->nr_sectors) {
+ int i, data_size = brq.data.blocks << 9;
+ struct scatterlist *sg;
+
+ for_each_sg(brq.data.sg, sg, brq.data.sg_len, i) {
+ data_size -= sg->length;
+ if (data_size <= 0) {
+ sg->length += data_size;
+ i++;
+ break;
+ }
+ }
+ brq.data.sg_len = i;
+ }
+
mmc_queue_bounce_pre(mq);
mmc_wait_for_req(card->host, &brq.mrq);
@@ -275,19 +317,40 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
* until later as we need to wait for the card to leave
* programming mode even when things go wrong.
*/
+ if (brq.cmd.error || brq.data.error || brq.stop.error) {
+ if (brq.data.blocks > 1 && rq_data_dir(req) == READ) {
+ /* Redo read one sector at a time */
+ printk(KERN_WARNING "%s: retrying using single "
+ "block read\n", req->rq_disk->disk_name);
+ disable_multi = 1;
+ continue;
+ }
+ status = get_card_status(card, req);
+ }
+
if (brq.cmd.error) {
- printk(KERN_ERR "%s: error %d sending read/write command\n",
- req->rq_disk->disk_name, brq.cmd.error);
+ printk(KERN_ERR "%s: error %d sending read/write "
+ "command, response %#x, card status %#x\n",
+ req->rq_disk->disk_name, brq.cmd.error,
+ brq.cmd.resp[0], status);
}
if (brq.data.error) {
- printk(KERN_ERR "%s: error %d transferring data\n",
- req->rq_disk->disk_name, brq.data.error);
+ if (brq.data.error == -ETIMEDOUT && brq.mrq.stop)
+ /* 'Stop' response contains card status */
+ status = brq.mrq.stop->resp[0];
+ printk(KERN_ERR "%s: error %d transferring data,"
+ " sector %u, nr %u, card status %#x\n",
+ req->rq_disk->disk_name, brq.data.error,
+ (unsigned)req->sector,
+ (unsigned)req->nr_sectors, status);
}
if (brq.stop.error) {
- printk(KERN_ERR "%s: error %d sending stop command\n",
- req->rq_disk->disk_name, brq.stop.error);
+ printk(KERN_ERR "%s: error %d sending stop command, "
+ "response %#x, card status %#x\n",
+ req->rq_disk->disk_name, brq.stop.error,
+ brq.stop.resp[0], status);
}
if (!mmc_host_is_spi(card->host) && rq_data_dir(req) != READ) {
@@ -320,8 +383,20 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
#endif
}
- if (brq.cmd.error || brq.data.error || brq.stop.error)
+ if (brq.cmd.error || brq.stop.error || brq.data.error) {
+ if (rq_data_dir(req) == READ) {
+ /*
+ * After an error, we redo I/O one sector at a
+ * time, so we only reach here after trying to
+ * read a single sector.
+ */
+ spin_lock_irq(&md->lock);
+ ret = __blk_end_request(req, -EIO, brq.data.blksz);
+ spin_unlock_irq(&md->lock);
+ continue;
+ }
goto cmd_err;
+ }
/*
* A block was successfully transferred.
@@ -343,25 +418,20 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
* If the card is not SD, we can still ok written sectors
* as reported by the controller (which might be less than
* the real number of written sectors, but never more).
- *
- * For reads we just fail the entire chunk as that should
- * be safe in all cases.
*/
- if (rq_data_dir(req) != READ) {
- if (mmc_card_sd(card)) {
- u32 blocks;
+ if (mmc_card_sd(card)) {
+ u32 blocks;
- blocks = mmc_sd_num_wr_blocks(card);
- if (blocks != (u32)-1) {
- spin_lock_irq(&md->lock);
- ret = __blk_end_request(req, 0, blocks << 9);
- spin_unlock_irq(&md->lock);
- }
- } else {
+ blocks = mmc_sd_num_wr_blocks(card);
+ if (blocks != (u32)-1) {
spin_lock_irq(&md->lock);
- ret = __blk_end_request(req, 0, brq.data.bytes_xfered);
+ ret = __blk_end_request(req, 0, blocks << 9);
spin_unlock_irq(&md->lock);
}
+ } else {
+ spin_lock_irq(&md->lock);
+ ret = __blk_end_request(req, 0, brq.data.bytes_xfered);
+ spin_unlock_irq(&md->lock);
}
mmc_release_host(card->host);
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index f7284b905eb..df6ce4a06cf 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -20,6 +20,7 @@
#include <linux/err.h>
#include <linux/leds.h>
#include <linux/scatterlist.h>
+#include <linux/log2.h>
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
@@ -448,6 +449,80 @@ void mmc_set_bus_width(struct mmc_host *host, unsigned int width)
mmc_set_ios(host);
}
+/**
+ * mmc_vdd_to_ocrbitnum - Convert a voltage to the OCR bit number
+ * @vdd: voltage (mV)
+ * @low_bits: prefer low bits in boundary cases
+ *
+ * This function returns the OCR bit number according to the provided @vdd
+ * value. If conversion is not possible a negative errno value returned.
+ *
+ * Depending on the @low_bits flag the function prefers low or high OCR bits
+ * on boundary voltages. For example,
+ * with @low_bits = true, 3300 mV translates to ilog2(MMC_VDD_32_33);
+ * with @low_bits = false, 3300 mV translates to ilog2(MMC_VDD_33_34);
+ *
+ * Any value in the [1951:1999] range translates to the ilog2(MMC_VDD_20_21).
+ */
+static int mmc_vdd_to_ocrbitnum(int vdd, bool low_bits)
+{
+ const int max_bit = ilog2(MMC_VDD_35_36);
+ int bit;
+
+ if (vdd < 1650 || vdd > 3600)
+ return -EINVAL;
+
+ if (vdd >= 1650 && vdd <= 1950)
+ return ilog2(MMC_VDD_165_195);
+
+ if (low_bits)
+ vdd -= 1;
+
+ /* Base 2000 mV, step 100 mV, bit's base 8. */
+ bit = (vdd - 2000) / 100 + 8;
+ if (bit > max_bit)
+ return max_bit;
+ return bit;
+}
+
+/**
+ * mmc_vddrange_to_ocrmask - Convert a voltage range to the OCR mask
+ * @vdd_min: minimum voltage value (mV)
+ * @vdd_max: maximum voltage value (mV)
+ *
+ * This function returns the OCR mask bits according to the provided @vdd_min
+ * and @vdd_max values. If conversion is not possible the function returns 0.
+ *
+ * Notes wrt boundary cases:
+ * This function sets the OCR bits for all boundary voltages, for example
+ * [3300:3400] range is translated to MMC_VDD_32_33 | MMC_VDD_33_34 |
+ * MMC_VDD_34_35 mask.
+ */
+u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max)
+{
+ u32 mask = 0;
+
+ if (vdd_max < vdd_min)
+ return 0;
+
+ /* Prefer high bits for the boundary vdd_max values. */
+ vdd_max = mmc_vdd_to_ocrbitnum(vdd_max, false);
+ if (vdd_max < 0)
+ return 0;
+
+ /* Prefer low bits for the boundary vdd_min values. */
+ vdd_min = mmc_vdd_to_ocrbitnum(vdd_min, true);
+ if (vdd_min < 0)
+ return 0;
+
+ /* Fill the mask, from max bit to min bit. */
+ while (vdd_max >= vdd_min)
+ mask |= 1 << vdd_max--;
+
+ return mask;
+}
+EXPORT_SYMBOL(mmc_vddrange_to_ocrmask);
+
/*
* Mask off any voltages we don't support and select
* the lowest voltage
@@ -467,6 +542,8 @@ u32 mmc_select_voltage(struct mmc_host *host, u32 ocr)
host->ios.vdd = bit;
mmc_set_ios(host);
} else {
+ pr_warning("%s: host doesn't support card's voltages\n",
+ mmc_hostname(host));
ocr = 0;
}
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index fdd7c760be8..c232d11a7ed 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -434,13 +434,24 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
* Activate wide bus (if supported).
*/
if ((card->csd.mmca_vsn >= CSD_SPEC_VER_4) &&
- (host->caps & MMC_CAP_4_BIT_DATA)) {
+ (host->caps & (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA))) {
+ unsigned ext_csd_bit, bus_width;
+
+ if (host->caps & MMC_CAP_8_BIT_DATA) {
+ ext_csd_bit = EXT_CSD_BUS_WIDTH_8;
+ bus_width = MMC_BUS_WIDTH_8;
+ } else {
+ ext_csd_bit = EXT_CSD_BUS_WIDTH_4;
+ bus_width = MMC_BUS_WIDTH_4;
+ }
+
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
- EXT_CSD_BUS_WIDTH, EXT_CSD_BUS_WIDTH_4);
+ EXT_CSD_BUS_WIDTH, ext_csd_bit);
+
if (err)
goto free_card;
- mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4);
+ mmc_set_bus_width(card->host, bus_width);
}
if (!oldcard)
@@ -624,4 +635,3 @@ err:
return err;
}
-
diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
index c794cc5ce44..f4853288bbb 100644
--- a/drivers/mmc/host/Makefile
+++ b/drivers/mmc/host/Makefile
@@ -19,6 +19,9 @@ 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_SPI) += mmc_spi.o
+ifeq ($(CONFIG_OF),y)
+obj-$(CONFIG_MMC_SPI) += of_mmc_spi.o
+endif
obj-$(CONFIG_MMC_S3C) += s3cmci.o
obj-$(CONFIG_MMC_SDRICOH_CS) += sdricoh_cs.o
obj-$(CONFIG_MMC_TMIO) += tmio_mmc.o
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index 1f8b5b36222..e556d42cc45 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -1088,6 +1088,8 @@ static int __init at91_mci_probe(struct platform_device *pdev)
goto fail0;
}
+ setup_timer(&host->timer, at91_timeout_timer, (unsigned long)host);
+
platform_set_drvdata(pdev, mmc);
/*
@@ -1101,8 +1103,6 @@ static int __init at91_mci_probe(struct platform_device *pdev)
mmc_add_host(mmc);
- setup_timer(&host->timer, at91_timeout_timer, (unsigned long)host);
-
/*
* monitor card insertion/removal if we can
*/
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 7a3f2436b01..1e97916914a 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -25,8 +25,8 @@
#include <linux/stat.h>
#include <linux/mmc/host.h>
+#include <linux/atmel-mci.h>
-#include <asm/atmel-mci.h>
#include <asm/io.h>
#include <asm/unaligned.h>
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index ad00e163231..87e211df68a 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -1285,7 +1285,7 @@ static int mmc_spi_probe(struct spi_device *spi)
/* Platform data is used to hook up things like card sensing
* and power switching gpios.
*/
- host->pdata = spi->dev.platform_data;
+ host->pdata = mmc_spi_get_pdata(spi);
if (host->pdata)
mmc->ocr_avail = host->pdata->ocr_mask;
if (!mmc->ocr_avail) {
@@ -1368,6 +1368,7 @@ fail_glue_init:
fail_nobuf1:
mmc_free_host(mmc);
+ mmc_spi_put_pdata(spi);
dev_set_drvdata(&spi->dev, NULL);
nomem:
@@ -1402,6 +1403,7 @@ static int __devexit mmc_spi_remove(struct spi_device *spi)
spi->max_speed_hz = mmc->f_max;
mmc_free_host(mmc);
+ mmc_spi_put_pdata(spi);
dev_set_drvdata(&spi->dev, NULL);
}
return 0;
diff --git a/drivers/mmc/host/of_mmc_spi.c b/drivers/mmc/host/of_mmc_spi.c
new file mode 100644
index 00000000000..fb2921f8099
--- /dev/null
+++ b/drivers/mmc/host/of_mmc_spi.c
@@ -0,0 +1,149 @@
+/*
+ * OpenFirmware bindings for the MMC-over-SPI driver
+ *
+ * Copyright (c) MontaVista Software, Inc. 2008.
+ *
+ * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/gpio.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/mmc_spi.h>
+#include <linux/mmc/core.h>
+#include <linux/mmc/host.h>
+
+enum {
+ CD_GPIO = 0,
+ WP_GPIO,
+ NUM_GPIOS,
+};
+
+struct of_mmc_spi {
+ int gpios[NUM_GPIOS];
+ bool alow_gpios[NUM_GPIOS];
+ struct mmc_spi_platform_data pdata;
+};
+
+static struct of_mmc_spi *to_of_mmc_spi(struct device *dev)
+{
+ return container_of(dev->platform_data, struct of_mmc_spi, pdata);
+}
+
+static int of_mmc_spi_read_gpio(struct device *dev, int gpio_num)
+{
+ struct of_mmc_spi *oms = to_of_mmc_spi(dev);
+ bool active_low = oms->alow_gpios[gpio_num];
+ bool value = gpio_get_value(oms->gpios[gpio_num]);
+
+ return active_low ^ value;
+}
+
+static int of_mmc_spi_get_cd(struct device *dev)
+{
+ return of_mmc_spi_read_gpio(dev, CD_GPIO);
+}
+
+static int of_mmc_spi_get_ro(struct device *dev)
+{
+ return of_mmc_spi_read_gpio(dev, WP_GPIO);
+}
+
+struct mmc_spi_platform_data *mmc_spi_get_pdata(struct spi_device *spi)
+{
+ struct device *dev = &spi->dev;
+ struct device_node *np = dev_archdata_get_node(&dev->archdata);
+ struct of_mmc_spi *oms;
+ const u32 *voltage_ranges;
+ int num_ranges;
+ int i;
+ int ret = -EINVAL;
+
+ if (dev->platform_data || !np)
+ return dev->platform_data;
+
+ oms = kzalloc(sizeof(*oms), GFP_KERNEL);
+ if (!oms)
+ return NULL;
+
+ voltage_ranges = of_get_property(np, "voltage-ranges", &num_ranges);
+ num_ranges = num_ranges / sizeof(*voltage_ranges) / 2;
+ if (!voltage_ranges || !num_ranges) {
+ dev_err(dev, "OF: voltage-ranges unspecified\n");
+ goto err_ocr;
+ }
+
+ for (i = 0; i < num_ranges; i++) {
+ const int j = i * 2;
+ u32 mask;
+
+ mask = mmc_vddrange_to_ocrmask(voltage_ranges[j],
+ voltage_ranges[j + 1]);
+ if (!mask) {
+ ret = -EINVAL;
+ dev_err(dev, "OF: voltage-range #%d is invalid\n", i);
+ goto err_ocr;
+ }
+ oms->pdata.ocr_mask |= mask;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(oms->gpios); i++) {
+ enum of_gpio_flags gpio_flags;
+
+ oms->gpios[i] = of_get_gpio_flags(np, i, &gpio_flags);
+ if (!gpio_is_valid(oms->gpios[i]))
+ continue;
+
+ ret = gpio_request(oms->gpios[i], dev->bus_id);
+ if (ret < 0) {
+ oms->gpios[i] = -EINVAL;
+ continue;
+ }
+
+ if (gpio_flags & OF_GPIO_ACTIVE_LOW)
+ oms->alow_gpios[i] = true;
+ }
+
+ if (gpio_is_valid(oms->gpios[CD_GPIO]))
+ oms->pdata.get_cd = of_mmc_spi_get_cd;
+ if (gpio_is_valid(oms->gpios[WP_GPIO]))
+ oms->pdata.get_ro = of_mmc_spi_get_ro;
+
+ /* We don't support interrupts yet, let's poll. */
+ oms->pdata.caps |= MMC_CAP_NEEDS_POLL;
+
+ dev->platform_data = &oms->pdata;
+ return dev->platform_data;
+err_ocr:
+ kfree(oms);
+ return NULL;
+}
+EXPORT_SYMBOL(mmc_spi_get_pdata);
+
+void mmc_spi_put_pdata(struct spi_device *spi)
+{
+ struct device *dev = &spi->dev;
+ struct device_node *np = dev_archdata_get_node(&dev->archdata);
+ struct of_mmc_spi *oms = to_of_mmc_spi(dev);
+ int i;
+
+ if (!dev->platform_data || !np)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(oms->gpios); i++) {
+ if (gpio_is_valid(oms->gpios[i]))
+ gpio_free(oms->gpios[i]);
+ }
+ kfree(oms);
+ dev->platform_data = NULL;
+}
+EXPORT_SYMBOL(mmc_spi_put_pdata);
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index f88cc740635..3c5483b75da 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -283,7 +283,7 @@ static int pxamci_data_done(struct pxamci_host *host, unsigned int stat)
return 0;
DCSR(host->dma) = 0;
- dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->dma_len,
+ dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
host->dma_dir);
if (stat & STAT_READ_TIME_OUT)
diff --git a/drivers/mmc/host/ricoh_mmc.c b/drivers/mmc/host/ricoh_mmc.c
index a16d7609e4e..be9e7b32b34 100644
--- a/drivers/mmc/host/ricoh_mmc.c
+++ b/drivers/mmc/host/ricoh_mmc.c
@@ -11,9 +11,10 @@
/*
* This is a conceptually ridiculous driver, but it is required by the way
- * the Ricoh multi-function R5C832 works. This chip implements firewire
- * and four different memory card controllers. Two of those controllers are
- * an SDHCI controller and a proprietary MMC controller. The linux SDHCI
+ * the Ricoh multi-function chips (R5CXXX) work. These chips implement
+ * the four main memory card controllers (SD, MMC, MS, xD) and one or both
+ * of cardbus or firewire. It happens that they implement SD and MMC
+ * support as separate controllers (and PCI functions). The linux SDHCI
* driver supports MMC cards but the chip detects MMC cards in hardware
* and directs them to the MMC controller - so the SDHCI driver never sees
* them. To get around this, we must disable the useless MMC controller.
@@ -21,8 +22,10 @@
* a detection event occurs immediately, even if the MMC card is already
* in the reader.
*
- * The relevant registers live on the firewire function, so this is unavoidably
- * ugly. Such is life.
+ * It seems to be the case that the relevant PCI registers to deactivate the
+ * MMC controller live on PCI function 0, which might be the cardbus controller
+ * or the firewire controller, depending on the particular chip in question. As
+ * such, it makes what this driver has to do unavoidably ugly. Such is life.
*/
#include <linux/pci.h>
@@ -143,6 +146,7 @@ static int __devinit ricoh_mmc_probe(struct pci_dev *pdev,
pci_get_device(PCI_VENDOR_ID_RICOH,
PCI_DEVICE_ID_RICOH_RL5C476, fw_dev))) {
if (PCI_SLOT(pdev->devfn) == PCI_SLOT(fw_dev->devfn) &&
+ PCI_FUNC(fw_dev->devfn) == 0 &&
pdev->bus == fw_dev->bus) {
if (ricoh_mmc_disable(fw_dev) != 0)
return -ENODEV;
@@ -160,6 +164,7 @@ static int __devinit ricoh_mmc_probe(struct pci_dev *pdev,
(fw_dev = pci_get_device(PCI_VENDOR_ID_RICOH,
PCI_DEVICE_ID_RICOH_R5C832, fw_dev))) {
if (PCI_SLOT(pdev->devfn) == PCI_SLOT(fw_dev->devfn) &&
+ PCI_FUNC(fw_dev->devfn) == 0 &&
pdev->bus == fw_dev->bus) {
if (ricoh_mmc_disable(fw_dev) != 0)
return -ENODEV;
@@ -172,7 +177,7 @@ static int __devinit ricoh_mmc_probe(struct pci_dev *pdev,
if (!ctrlfound) {
printk(KERN_WARNING DRIVER_NAME
- ": Main firewire function not found. Cannot disable controller.\n");
+ ": Main Ricoh function not found. Cannot disable controller.\n");
return -ENODEV;
}
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 9bd7026b002..f07255cb17e 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -545,7 +545,7 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot(
}
addr = pci_resource_start(pdev, bar);
- host->ioaddr = ioremap_nocache(addr, pci_resource_len(pdev, bar));
+ host->ioaddr = pci_ioremap_bar(pdev, bar);
if (!host->ioaddr) {
dev_err(&pdev->dev, "failed to remap registers\n");
goto release;
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 4d010a984be..6b2d1f99af6 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -30,6 +30,11 @@
#define DBG(f, x...) \
pr_debug(DRIVER_NAME " [%s()]: " f, __func__,## x)
+#if defined(CONFIG_LEDS_CLASS) || (defined(CONFIG_LEDS_CLASS_MODULE) && \
+ defined(CONFIG_MMC_SDHCI_MODULE))
+#define SDHCI_USE_LEDS_CLASS
+#endif
+
static unsigned int debug_quirks = 0;
static void sdhci_prepare_data(struct sdhci_host *, struct mmc_data *);
@@ -149,7 +154,7 @@ static void sdhci_deactivate_led(struct sdhci_host *host)
writeb(ctrl, host->ioaddr + SDHCI_HOST_CONTROL);
}
-#ifdef CONFIG_LEDS_CLASS
+#ifdef SDHCI_USE_LEDS_CLASS
static void sdhci_led_control(struct led_classdev *led,
enum led_brightness brightness)
{
@@ -994,7 +999,7 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
WARN_ON(host->mrq != NULL);
-#ifndef CONFIG_LEDS_CLASS
+#ifndef SDHCI_USE_LEDS_CLASS
sdhci_activate_led(host);
#endif
@@ -1201,7 +1206,7 @@ static void sdhci_tasklet_finish(unsigned long param)
host->cmd = NULL;
host->data = NULL;
-#ifndef CONFIG_LEDS_CLASS
+#ifndef SDHCI_USE_LEDS_CLASS
sdhci_deactivate_led(host);
#endif
@@ -1717,7 +1722,7 @@ int sdhci_add_host(struct sdhci_host *host)
sdhci_dumpregs(host);
#endif
-#ifdef CONFIG_LEDS_CLASS
+#ifdef SDHCI_USE_LEDS_CLASS
host->led.name = mmc_hostname(mmc);
host->led.brightness = LED_OFF;
host->led.default_trigger = mmc_hostname(mmc);
@@ -1739,7 +1744,7 @@ int sdhci_add_host(struct sdhci_host *host)
return 0;
-#ifdef CONFIG_LEDS_CLASS
+#ifdef SDHCI_USE_LEDS_CLASS
reset:
sdhci_reset(host, SDHCI_RESET_ALL);
free_irq(host->irq, host);
@@ -1775,7 +1780,7 @@ void sdhci_remove_host(struct sdhci_host *host, int dead)
mmc_remove_host(host->mmc);
-#ifdef CONFIG_LEDS_CLASS
+#ifdef SDHCI_USE_LEDS_CLASS
led_classdev_unregister(&host->led);
#endif
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 31f4b1528e7..3efba236394 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -220,7 +220,7 @@ struct sdhci_host {
struct mmc_host *mmc; /* MMC structure */
u64 dma_mask; /* custom DMA mask */
-#ifdef CONFIG_LEDS_CLASS
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
struct led_classdev led; /* LED control */
#endif
diff --git a/drivers/mmc/host/sdricoh_cs.c b/drivers/mmc/host/sdricoh_cs.c
index 1df44d966bd..cb41e9c3ac0 100644
--- a/drivers/mmc/host/sdricoh_cs.c
+++ b/drivers/mmc/host/sdricoh_cs.c
@@ -82,6 +82,8 @@ static struct pcmcia_device_id pcmcia_ids[] = {
/* vendor and device strings followed by their crc32 hashes */
PCMCIA_DEVICE_PROD_ID12("RICOH", "Bay1Controller", 0xd9f522ed,
0xc3901202),
+ PCMCIA_DEVICE_PROD_ID12("RICOH", "Bay Controller", 0xd9f522ed,
+ 0xace80909),
PCMCIA_DEVICE_NULL,
};
@@ -463,7 +465,7 @@ static int sdricoh_init_mmc(struct pci_dev *pci_dev,
err:
if (iobase)
- iounmap(iobase);
+ pci_iounmap(pci_dev, iobase);
if (mmc)
mmc_free_host(mmc);
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index 95430b81ec1..6a7a6190483 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -224,7 +224,7 @@ static inline void tmio_mmc_data_irq(struct tmio_mmc_host *host)
{
void __iomem *ctl = host->ctl;
struct mmc_data *data = host->data;
- struct mmc_command *stop = data->stop;
+ struct mmc_command *stop;
host->data = NULL;
@@ -232,6 +232,7 @@ static inline void tmio_mmc_data_irq(struct tmio_mmc_host *host)
pr_debug("Spurious data end IRQ\n");
return;
}
+ stop = data->stop;
/* FIXME - return correct transfer count on errors */
if (!data->error)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-21 17:58:08 +0000