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Diffstat (limited to 'drivers/mmc/core')
-rw-r--r--drivers/mmc/core/core.c6
-rw-r--r--drivers/mmc/core/core.h4
-rw-r--r--drivers/mmc/core/host.c39
-rw-r--r--drivers/mmc/core/sdio_irq.c4
-rw-r--r--drivers/mmc/core/sdio_ops.c1
5 files changed, 30 insertions, 24 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index b96667448eb..01ced4c5a61 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -35,10 +35,6 @@
#include "sd_ops.h"
#include "sdio_ops.h"
-extern int mmc_attach_mmc(struct mmc_host *host, u32 ocr);
-extern int mmc_attach_sd(struct mmc_host *host, u32 ocr);
-extern int mmc_attach_sdio(struct mmc_host *host, u32 ocr);
-
static struct workqueue_struct *workqueue;
/*
@@ -516,7 +512,7 @@ static void mmc_power_off(struct mmc_host *host)
/*
* Cleanup when the last reference to the bus operator is dropped.
*/
-void __mmc_release_bus(struct mmc_host *host)
+static void __mmc_release_bus(struct mmc_host *host)
{
BUG_ON(!host);
BUG_ON(host->bus_refs);
diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h
index cfa8e15b592..cdb332b7ded 100644
--- a/drivers/mmc/core/core.h
+++ b/drivers/mmc/core/core.h
@@ -46,6 +46,10 @@ void mmc_rescan(struct work_struct *work);
void mmc_start_host(struct mmc_host *host);
void mmc_stop_host(struct mmc_host *host);
+int mmc_attach_mmc(struct mmc_host *host, u32 ocr);
+int mmc_attach_sd(struct mmc_host *host, u32 ocr);
+int mmc_attach_sdio(struct mmc_host *host, u32 ocr);
+
extern int use_spi_crc;
#endif
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index c65d203a846..1d795c5379b 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -2,7 +2,7 @@
* linux/drivers/mmc/core/host.c
*
* Copyright (C) 2003 Russell King, All Rights Reserved.
- * Copyright (C) 2007 Pierre Ossman
+ * Copyright (C) 2007-2008 Pierre Ossman
*
* 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
@@ -57,12 +57,25 @@ static DEFINE_SPINLOCK(mmc_host_lock);
*/
struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
{
+ int err;
struct mmc_host *host;
+ if (!idr_pre_get(&mmc_host_idr, GFP_KERNEL))
+ return NULL;
+
host = kzalloc(sizeof(struct mmc_host) + extra, GFP_KERNEL);
if (!host)
return NULL;
+ spin_lock(&mmc_host_lock);
+ err = idr_get_new(&mmc_host_idr, host, &host->index);
+ spin_unlock(&mmc_host_lock);
+ if (err)
+ goto free;
+
+ snprintf(host->class_dev.bus_id, BUS_ID_SIZE,
+ "mmc%d", host->index);
+
host->parent = dev;
host->class_dev.parent = dev;
host->class_dev.class = &mmc_host_class;
@@ -85,6 +98,10 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
host->max_blk_count = PAGE_CACHE_SIZE / 512;
return host;
+
+free:
+ kfree(host);
+ return NULL;
}
EXPORT_SYMBOL(mmc_alloc_host);
@@ -104,18 +121,6 @@ int mmc_add_host(struct mmc_host *host)
WARN_ON((host->caps & MMC_CAP_SDIO_IRQ) &&
!host->ops->enable_sdio_irq);
- if (!idr_pre_get(&mmc_host_idr, GFP_KERNEL))
- return -ENOMEM;
-
- spin_lock(&mmc_host_lock);
- err = idr_get_new(&mmc_host_idr, host, &host->index);
- spin_unlock(&mmc_host_lock);
- if (err)
- return err;
-
- snprintf(host->class_dev.bus_id, BUS_ID_SIZE,
- "mmc%d", host->index);
-
led_trigger_register_simple(host->class_dev.bus_id, &host->led);
err = device_add(&host->class_dev);
@@ -144,10 +149,6 @@ void mmc_remove_host(struct mmc_host *host)
device_del(&host->class_dev);
led_trigger_unregister_simple(host->led);
-
- spin_lock(&mmc_host_lock);
- idr_remove(&mmc_host_idr, host->index);
- spin_unlock(&mmc_host_lock);
}
EXPORT_SYMBOL(mmc_remove_host);
@@ -160,6 +161,10 @@ EXPORT_SYMBOL(mmc_remove_host);
*/
void mmc_free_host(struct mmc_host *host)
{
+ spin_lock(&mmc_host_lock);
+ idr_remove(&mmc_host_idr, host->index);
+ spin_unlock(&mmc_host_lock);
+
put_device(&host->class_dev);
}
diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c
index 3bd3021f5e8..c292e124107 100644
--- a/drivers/mmc/core/sdio_irq.c
+++ b/drivers/mmc/core/sdio_irq.c
@@ -128,12 +128,12 @@ static int sdio_irq_thread(void *_host)
}
}
- set_task_state(current, TASK_INTERRUPTIBLE);
+ set_current_state(TASK_INTERRUPTIBLE);
if (host->caps & MMC_CAP_SDIO_IRQ)
host->ops->enable_sdio_irq(host, 1);
if (!kthread_should_stop())
schedule_timeout(period);
- set_task_state(current, TASK_RUNNING);
+ set_current_state(TASK_RUNNING);
} while (!kthread_should_stop());
if (host->caps & MMC_CAP_SDIO_IRQ)
diff --git a/drivers/mmc/core/sdio_ops.c b/drivers/mmc/core/sdio_ops.c
index e1fca588e38..c8fa095a448 100644
--- a/drivers/mmc/core/sdio_ops.c
+++ b/drivers/mmc/core/sdio_ops.c
@@ -17,6 +17,7 @@
#include <linux/mmc/sdio.h>
#include "core.h"
+#include "sdio_ops.h"
int mmc_send_io_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
{