Merge tag 'mmc-merge-for-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Merge commit. Changes below are compared with the first parent: 5b160bd4.
Changes
42 files changed · +1043 −505
Only the first 600 diff lines are shown. Download the complete patch.
Documentation/devicetree/bindings/mmc/fsl-esdhc.txt
View filediff --git a/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt
index 0d93b4b..bd9be0b 100644
--- a/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt
+++ b/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt
@@ -3,21 +3,22 @@
The Enhanced Secure Digital Host Controller provides an interface
for MMC, SD, and SDIO types of memory cards.
+This file documents differences between the core properties described
+by mmc.txt and the properties used by the sdhci-esdhc driver.
+
Required properties:
- - compatible : should be
- "fsl,<chip>-esdhc", "fsl,esdhc"
- - reg : should contain eSDHC registers location and length.
- - interrupts : should contain eSDHC interrupt.
- interrupt-parent : interrupt source phandle.
- clock-frequency : specifies eSDHC base clock frequency.
- - sdhci,wp-inverted : (optional) specifies that eSDHC controller
- reports inverted write-protect state; New devices should use
- the generic "wp-inverted" property.
- - sdhci,1-bit-only : (optional) specifies that a controller can
- only handle 1-bit data transfers. New devices should use the
- generic "bus-width = <1>" property.
- - sdhci,auto-cmd12: (optional) specifies that a controller can
- only handle auto CMD12.
+
+Optional properties:
+ - sdhci,wp-inverted : specifies that eSDHC controller reports
+ inverted write-protect state; New devices should use the generic
+ "wp-inverted" property.
+ - sdhci,1-bit-only : specifies that a controller can only handle
+ 1-bit data transfers. New devices should use the generic
+ "bus-width = <1>" property.
+ - sdhci,auto-cmd12: specifies that a controller can only handle auto
+ CMD12.
Example:
Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
View filediff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
index fea541e..70cd49b 100644
--- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
+++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
@@ -3,17 +3,15 @@
The Enhanced Secure Digital Host Controller on Freescale i.MX family
provides an interface for MMC, SD, and SDIO types of memory cards.
+This file documents differences between the core properties described
+by mmc.txt and the properties used by the sdhci-esdhc-imx driver.
+
Required properties:
- compatible : Should be "fsl,<chip>-esdhc"
-- reg : Should contain eSDHC registers location and length
-- interrupts : Should contain eSDHC interrupt
Optional properties:
-- non-removable : Indicate the card is wired to host permanently
- fsl,cd-internal : Indicate to use controller internal card detection
- fsl,wp-internal : Indicate to use controller internal write protection
-- cd-gpios : Specify GPIOs for card detection
-- wp-gpios : Specify GPIOs for write protection
Examples:
Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
View filediff --git a/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt b/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
index d64aea5..0e5e2ec 100644
--- a/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
@@ -1,8 +1,9 @@
MMC/SD/SDIO slot directly connected to a SPI bus
+This file documents differences between the core properties described
+by mmc.txt and the properties used by the mmc_spi driver.
+
Required properties:
-- compatible : should be "mmc-spi-slot".
-- reg : should specify SPI address (chip-select number).
- spi-max-frequency : maximum frequency for this device (Hz).
- voltage-ranges : two cells are required, first cell specifies minimum
slot voltage (mV), second cell specifies maximum slot voltage (mV).
@@ -11,8 +12,7 @@ Required properties:
Optional properties:
- gpios : may specify GPIOs in this order: Card-Detect GPIO,
Write-Protect GPIO. Note that this does not follow the
- binding from mmc.txt, for historic reasons.
-- interrupts : the interrupt of a card detect interrupt.
+ binding from mmc.txt, for historical reasons.
- interrupt-parent : the phandle for the interrupt controller that
services interrupts for this device.
Documentation/devicetree/bindings/mmc/mmc.txt
View filediff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
index 6e70dcd..8a6811f 100644
--- a/Documentation/devicetree/bindings/mmc/mmc.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc.txt
@@ -2,13 +2,17 @@ These properties are common to multiple MMC host controllers. Any host
that requires the respective functionality should implement them using
these definitions.
+Interpreted by the OF core:
+- reg: Registers location and length.
+- interrupts: Interrupts used by the MMC controller.
+
Required properties:
- bus-width: Number of data lines, can be <1>, <4>, or <8>
Optional properties:
-- cd-gpios : Specify GPIOs for card detection, see gpio binding
-- wp-gpios : Specify GPIOs for write protection, see gpio binding
-- cd-inverted: when present, polarity on the wp gpio line is inverted
+- cd-gpios: Specify GPIOs for card detection, see gpio binding
+- wp-gpios: Specify GPIOs for write protection, see gpio binding
+- cd-inverted: when present, polarity on the cd gpio line is inverted
- wp-inverted: when present, polarity on the wp gpio line is inverted
- non-removable: non-removable slot (like eMMC)
- max-frequency: maximum operating clock frequency
Documentation/devicetree/bindings/mmc/mmci.txt
View filediff --git a/Documentation/devicetree/bindings/mmc/mmci.txt b/Documentation/devicetree/bindings/mmc/mmci.txt
index 14a81d5..2b584ca 100644
--- a/Documentation/devicetree/bindings/mmc/mmci.txt
+++ b/Documentation/devicetree/bindings/mmc/mmci.txt
@@ -1,19 +1,15 @@
* ARM PrimeCell MultiMedia Card Interface (MMCI) PL180/1
-The ARM PrimeCell MMCI PL180 and PL181 provides and interface for
+The ARM PrimeCell MMCI PL180 and PL181 provides an interface for
reading and writing to MultiMedia and SD cards alike.
+This file documents differences between the core properties described
+by mmc.txt and the properties used by the mmci driver.
+
Required properties:
- compatible : contains "arm,pl18x", "arm,primecell".
-- reg : contains pl18x registers and length.
-- interrupts : contains the device IRQ(s).
- arm,primecell-periphid : contains the PrimeCell Peripheral ID.
Optional properties:
-- wp-gpios : contains any write protect (ro) gpios
-- cd-gpios : contains any card detection gpios
-- cd-inverted : indicates whether the cd gpio is inverted
-- max-frequency : contains the maximum operating frequency
-- bus-width : number of data lines, can be <1>, <4>, or <8>
- mmc-cap-mmc-highspeed : indicates whether MMC is high speed capable
- mmc-cap-sd-highspeed : indicates whether SD is high speed capable
Documentation/devicetree/bindings/mmc/mxs-mmc.txt
View filediff --git a/Documentation/devicetree/bindings/mmc/mxs-mmc.txt b/Documentation/devicetree/bindings/mmc/mxs-mmc.txt
index 14d870a..54949f6 100644
--- a/Documentation/devicetree/bindings/mmc/mxs-mmc.txt
+++ b/Documentation/devicetree/bindings/mmc/mxs-mmc.txt
@@ -3,16 +3,14 @@
The Freescale MXS Synchronous Serial Ports (SSP) can act as a MMC controller
to support MMC, SD, and SDIO types of memory cards.
+This file documents differences between the core properties in mmc.txt
+and the properties used by the mxsmmc driver.
+
Required properties:
- compatible: Should be "fsl,<chip>-mmc". The supported chips include
imx23 and imx28.
-- reg: Should contain registers location and length
- interrupts: Should contain ERROR and DMA interrupts
- fsl,ssp-dma-channel: APBH DMA channel for the SSP
-- bus-width: Number of data lines, can be <1>, <4>, or <8>
-
-Optional properties:
-- wp-gpios: Specify GPIOs for write protection
Examples:
Documentation/devicetree/bindings/mmc/nvidia-sdhci.txt
View filediff --git a/Documentation/devicetree/bindings/mmc/nvidia-sdhci.txt b/Documentation/devicetree/bindings/mmc/nvidia-sdhci.txt
index f77c303..c6d7b11 100644
--- a/Documentation/devicetree/bindings/mmc/nvidia-sdhci.txt
+++ b/Documentation/devicetree/bindings/mmc/nvidia-sdhci.txt
@@ -3,15 +3,13 @@
This controller on Tegra family SoCs provides an interface for MMC, SD,
and SDIO types of memory cards.
+This file documents differences between the core properties described
+by mmc.txt and the properties used by the sdhci-tegra driver.
+
Required properties:
- compatible : Should be "nvidia,<chip>-sdhci"
-- reg : Should contain SD/MMC registers location and length
-- interrupts : Should contain SD/MMC interrupt
-- bus-width : Number of data lines, can be <1>, <4>, or <8>
Optional properties:
-- cd-gpios : Specify GPIOs for card detection
-- wp-gpios : Specify GPIOs for write protection
- power-gpios : Specify GPIOs for power control
Example:
Documentation/devicetree/bindings/mmc/sdhci-pxa.txt
View filediff --git a/Documentation/devicetree/bindings/mmc/sdhci-pxa.txt b/Documentation/devicetree/bindings/mmc/sdhci-pxa.txt
new file mode 100644
index 0000000..dbe98a3
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/sdhci-pxa.txt
@@ -0,0 +1,21 @@
+* Marvell sdhci-pxa v2/v3 controller
+
+This file documents differences between the core properties in mmc.txt
+and the properties used by the sdhci-pxav2 and sdhci-pxav3 drivers.
+
+Required properties:
+- compatible: Should be "mrvl,pxav2-mmc" or "mrvl,pxav3-mmc".
+
+Optional properties:
+- mrvl,clk-delay-cycles: Specify a number of cycles to delay for tuning.
+
+Example:
+
+sdhci@d4280800 {
+ compatible = "mrvl,pxav3-mmc";
+ reg = <0xd4280800 0x800>;
+ bus-width = <8>;
+ interrupts = <27>;
+ non-removable;
+ mrvl,clk-delay-cycles = <31>;
+};
Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt
View filediff --git a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt
index 8a53958..be76a23 100644
--- a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt
+++ b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt
@@ -3,21 +3,20 @@
The Highspeed MMC Host Controller on TI OMAP family
provides an interface for MMC, SD, and SDIO types of memory cards.
+This file documents differences between the core properties described
+by mmc.txt and the properties used by the omap_hsmmc driver.
+
Required properties:
- compatible:
Should be "ti,omap2-hsmmc", for OMAP2 controllers
Should be "ti,omap3-hsmmc", for OMAP3 controllers
Should be "ti,omap4-hsmmc", for OMAP4 controllers
- ti,hwmods: Must be "mmc<n>", n is controller instance starting 1
-- reg : should contain hsmmc registers location and length
Optional properties:
ti,dual-volt: boolean, supports dual voltage cards
<supply-name>-supply: phandle to the regulator device tree node
"supply-name" examples are "vmmc", "vmmc_aux" etc
-bus-width: Number of data lines, default assumed is 1 if the property is missing.
-cd-gpios: GPIOs for card detection
-wp-gpios: GPIOs for write protection
ti,non-removable: non-removable slot (like eMMC)
ti,needs-special-reset: Requires a special softreset sequence
drivers/mmc/card/block.c
View filediff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 276d21c..f1c84de 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -850,9 +850,7 @@ out:
goto retry;
if (!err)
mmc_blk_reset_success(md, type);
- spin_lock_irq(&md->lock);
- __blk_end_request(req, err, blk_rq_bytes(req));
- spin_unlock_irq(&md->lock);
+ blk_end_request(req, err, blk_rq_bytes(req));
return err ? 0 : 1;
}
@@ -934,9 +932,7 @@ out_retry:
if (!err)
mmc_blk_reset_success(md, type);
out:
- spin_lock_irq(&md->lock);
- __blk_end_request(req, err, blk_rq_bytes(req));
- spin_unlock_irq(&md->lock);
+ blk_end_request(req, err, blk_rq_bytes(req));
return err ? 0 : 1;
}
@@ -951,9 +947,7 @@ static int mmc_blk_issue_flush(struct mmc_queue *mq, struct request *req)
if (ret)
ret = -EIO;
- spin_lock_irq(&md->lock);
- __blk_end_request_all(req, ret);
- spin_unlock_irq(&md->lock);
+ blk_end_request_all(req, ret);
return ret ? 0 : 1;
}
@@ -1252,14 +1246,10 @@ static int mmc_blk_cmd_err(struct mmc_blk_data *md, struct mmc_card *card,
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);
+ ret = blk_end_request(req, 0, blocks << 9);
}
} else {
- spin_lock_irq(&md->lock);
- ret = __blk_end_request(req, 0, brq->data.bytes_xfered);
- spin_unlock_irq(&md->lock);
+ ret = blk_end_request(req, 0, brq->data.bytes_xfered);
}
return ret;
}
@@ -1311,10 +1301,8 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
* A block was successfully transferred.
*/
mmc_blk_reset_success(md, type);
- spin_lock_irq(&md->lock);
- ret = __blk_end_request(req, 0,
+ ret = blk_end_request(req, 0,
brq->data.bytes_xfered);
- spin_unlock_irq(&md->lock);
/*
* If the blk_end_request function returns non-zero even
* though all data has been transferred and no errors
@@ -1364,10 +1352,8 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
* time, so we only reach here after trying to
* read a single sector.
*/
- spin_lock_irq(&md->lock);
- ret = __blk_end_request(req, -EIO,
+ ret = blk_end_request(req, -EIO,
brq->data.blksz);
- spin_unlock_irq(&md->lock);
if (!ret)
goto start_new_req;
break;
@@ -1388,12 +1374,10 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
return 1;
cmd_abort:
- spin_lock_irq(&md->lock);
if (mmc_card_removed(card))
req->cmd_flags |= REQ_QUIET;
while (ret)
- ret = __blk_end_request(req, -EIO, blk_rq_cur_bytes(req));
- spin_unlock_irq(&md->lock);
+ ret = blk_end_request(req, -EIO, blk_rq_cur_bytes(req));
start_new_req:
if (rqc) {
@@ -1417,9 +1401,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
ret = mmc_blk_part_switch(card, md);
if (ret) {
if (req) {
- spin_lock_irq(&md->lock);
- __blk_end_request_all(req, -EIO);
- spin_unlock_irq(&md->lock);
+ blk_end_request_all(req, -EIO);
}
ret = 0;
goto out;
drivers/mmc/core/Makefile
View filediff --git a/drivers/mmc/core/Makefile b/drivers/mmc/core/Makefile
index dca4428..38ed210 100644
--- a/drivers/mmc/core/Makefile
+++ b/drivers/mmc/core/Makefile
@@ -7,6 +7,6 @@ mmc_core-y := core.o bus.o host.o \
mmc.o mmc_ops.o sd.o sd_ops.o \
sdio.o sdio_ops.o sdio_bus.o \
sdio_cis.o sdio_io.o sdio_irq.o \
- quirks.o cd-gpio.o
+ quirks.o slot-gpio.o
mmc_core-$(CONFIG_DEBUG_FS) += debugfs.o
drivers/mmc/core/cd-gpio.c
View before deletiondiff --git a/drivers/mmc/core/cd-gpio.c b/drivers/mmc/core/cd-gpio.c
deleted file mode 100644
index 8f5dc08..0000000
--- a/drivers/mmc/core/cd-gpio.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Generic GPIO card-detect helper
- *
- * Copyright (C) 2011, Guennadi Liakhovetski <[email protected]>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/err.h>
-#include <linux/gpio.h>
-#include <linux/interrupt.h>
-#include <linux/jiffies.h>
-#include <linux/mmc/cd-gpio.h>
-#include <linux/mmc/host.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-
-struct mmc_cd_gpio {
- unsigned int gpio;
- char label[0];
-};
-
-static irqreturn_t mmc_cd_gpio_irqt(int irq, void *dev_id)
-{
- /* Schedule a card detection after a debounce timeout */
- mmc_detect_change(dev_id, msecs_to_jiffies(100));
- return IRQ_HANDLED;
-}
-
-int mmc_cd_gpio_request(struct mmc_host *host, unsigned int gpio)
-{
- size_t len = strlen(dev_name(host->parent)) + 4;
- struct mmc_cd_gpio *cd;
- int irq = gpio_to_irq(gpio);
- int ret;
-
- if (irq < 0)
- return irq;
-
- cd = kmalloc(sizeof(*cd) + len, GFP_KERNEL);
- if (!cd)
- return -ENOMEM;
-
- snprintf(cd->label, len, "%s cd", dev_name(host->parent));
-
- ret = gpio_request_one(gpio, GPIOF_DIR_IN, cd->label);
- if (ret < 0)
- goto egpioreq;
-
- ret = request_threaded_irq(irq, NULL, mmc_cd_gpio_irqt,
- IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
- IRQF_ONESHOT, cd->label, host);
- if (ret < 0)
- goto eirqreq;
-
- cd->gpio = gpio;
- host->hotplug.irq = irq;
- host->hotplug.handler_priv = cd;
-
- return 0;
-
-eirqreq:
- gpio_free(gpio);
-egpioreq:
- kfree(cd);
- return ret;
-}
-EXPORT_SYMBOL(mmc_cd_gpio_request);
-
-void mmc_cd_gpio_free(struct mmc_host *host)
-{
- struct mmc_cd_gpio *cd = host->hotplug.handler_priv;
-
- if (!cd)
- return;
-
- free_irq(host->hotplug.irq, host);
- gpio_free(cd->gpio);
- kfree(cd);
-}
-EXPORT_SYMBOL(mmc_cd_gpio_free);
drivers/mmc/core/core.c
View filediff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 0b6141d..8ac5246 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -404,6 +404,7 @@ int mmc_interrupt_hpi(struct mmc_card *card)
{
int err;
u32 status;
+ unsigned long prg_wait;
BUG_ON(!card);
@@ -419,30 +420,38 @@ int mmc_interrupt_hpi(struct mmc_card *card)
goto out;
}
- /*
- * If the card status is in PRG-state, we can send the HPI command.
- */
- if (R1_CURRENT_STATE(status) == R1_STATE_PRG) {
- do {
- /*
- * We don't know when the HPI command will finish
- * processing, so we need to resend HPI until out
- * of prg-state, and keep checking the card status
- * with SEND_STATUS. If a timeout error occurs when
- * sending the HPI command, we are already out of
- * prg-state.
- */
- err = mmc_send_hpi_cmd(card, &status);
- if (err)
- pr_debug("%s: abort HPI (%d error)\n",
- mmc_hostname(card->host), err);
+ switch (R1_CURRENT_STATE(status)) {
+ case R1_STATE_IDLE:
+ case R1_STATE_READY:
+ case R1_STATE_STBY:
+ /*
+ * In idle states, HPI is not needed and the caller
+ * can issue the next intended command immediately
+ */
+ goto out;
+ case R1_STATE_PRG:
+ break;
+ default:
+ /* In all other states, it's illegal to issue HPI */
+ pr_debug("%s: HPI cannot be sent. Card state=%d\n",
+ mmc_hostname(card->host), R1_CURRENT_STATE(status));
+ err = -EINVAL;
+ goto out;
+ }
- err = mmc_send_status(card, &status);
- if (err)
- break;
- } while (R1_CURRENT_STATE(status) == R1_STATE_PRG);
- } else
- pr_debug("%s: Left prg-state\n", mmc_hostname(card->host));
+ err = mmc_send_hpi_cmd(card, &status);
+ if (err)
+ goto out;
+
+ prg_wait = jiffies + msecs_to_jiffies(card->ext_csd.out_of_int_time);
+ do {
+ err = mmc_send_status(card, &status);
+
+ if (!err && R1_CURRENT_STATE(status) == R1_STATE_TRAN)
+ break;
+ if (time_after(jiffies, prg_wait))
+ err = -ETIMEDOUT;
+ } while (!err);
out:
mmc_release_host(card->host);
@@ -941,7 +950,7 @@ int mmc_regulator_get_ocrmask(struct regulator *supply)
return result;
}
-EXPORT_SYMBOL(mmc_regulator_get_ocrmask);
+EXPORT_SYMBOL_GPL(mmc_regulator_get_ocrmask);
/**
* mmc_regulator_set_ocr - set regulator to match host->ios voltage
@@ -1011,7 +1020,30 @@ int mmc_regulator_set_ocr(struct mmc_host *mmc,
"could not set regulator OCR (%d)\n", result);
return result;
}
-EXPORT_SYMBOL(mmc_regulator_set_ocr);
+EXPORT_SYMBOL_GPL(mmc_regulator_set_ocr);
+
+int mmc_regulator_get_supply(struct mmc_host *mmc)
+{
+ struct device *dev = mmc_dev(mmc);
+ struct regulator *supply;
+ int ret;
+
+ supply = devm_regulator_get(dev, "vmmc");
+ mmc->supply.vmmc = supply;
+ mmc->supply.vqmmc = devm_regulator_get(dev, "vqmmc");
+
+ if (IS_ERR(supply))
+ return PTR_ERR(supply);
+
+ ret = mmc_regulator_get_ocrmask(supply);
+ if (ret > 0)
+ mmc->ocr_avail = ret;
+ else
+ dev_warn(mmc_dev(mmc), "Failed getting OCR mask: %d\n", ret);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mmc_regulator_get_supply);
#endif /* CONFIG_REGULATOR */
@@ -1180,6 +1212,9 @@ static void mmc_power_up(struct mmc_host *host)
host->ios.timing = MMC_TIMING_LEGACY;
mmc_set_ios(host);
+ /* Set signal voltage to 3.3V */
+ mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_330, false);
+
/*
* This delay should be sufficient to allow the power supply
* to reach the minimum voltage.
@@ -1931,9 +1966,6 @@ static int mmc_rescan_try_freq(struct mmc_host *host, unsigned freq)
*/
mmc_hw_reset_for_init(host);
- /* Initialization should be done at 3.3 V I/O voltage. */
- mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_330, 0);
-
/*
* sdio_reset sends CMD52 to reset card. Since we do not know
* if the card is being re-initialized, just send it. CMD52
@@ -2075,6 +2107,7 @@ void mmc_rescan(struct work_struct *work)
void mmc_start_host(struct mmc_host *host)
{
host->f_init = max(freqs[0], host->f_min);
+ host->rescan_disable = 0;
mmc_power_up(host);
mmc_detect_change(host, 0);
}
@@ -2088,6 +2121,7 @@ void mmc_stop_host(struct mmc_host *host)
spin_unlock_irqrestore(&host->lock, flags);
#endif
+ host->rescan_disable = 1;
cancel_delayed_work_sync(&host->detect);
mmc_flush_scheduled_work();
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drivers/mmc/core/host.c
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drivers/mmc/core/mmc.c
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drivers/mmc/core/mmc_ops.c
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drivers/mmc/core/sd.c
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drivers/mmc/core/sdio.c
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drivers/mmc/core/sdio_cis.c
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drivers/mmc/core/slot-gpio.c
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drivers/mmc/host/atmel-mci.c
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drivers/mmc/host/dw_mmc.c
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drivers/mmc/host/mxs-mmc.c
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drivers/mmc/host/omap_hsmmc.c
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drivers/mmc/host/s3cmci.c
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drivers/mmc/host/sdhci-dove.c
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drivers/mmc/host/sdhci-esdhc-imx.c
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drivers/mmc/host/sdhci-pci.c
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drivers/mmc/host/sdhci-pxav2.c
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drivers/mmc/host/sdhci-pxav3.c
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drivers/mmc/host/sdhci.c
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drivers/mmc/host/sdhci.h
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drivers/mmc/host/sh_mmcif.c
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drivers/mmc/host/sh_mobile_sdhi.c
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drivers/mmc/host/tmio_mmc_pio.c
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include/linux/mfd/tmio.h
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include/linux/mmc/card.h
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include/linux/mmc/host.h
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include/linux/mmc/sdhci.h
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include/linux/mmc/sh_mmcif.h
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include/linux/mmc/sh_mobile_sdhi.h
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include/linux/mmc/slot-gpio.h
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