Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel…

…/git/drzeus/mmc

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: (26 commits)
  mmc: sdio_ops.c should #include "sdio_ops.h"
  mmc: proper prototypes for mmc_attach_*()
  mmc: make __mmc_release_bus() static
  sdhci: improve no card, no reset quirk
  MMC: OMAP: Do not busy wait for end of command for ever
  MMC: OMAP: Start new commands from work queue instead of irq
  MMC: OMAP: Lazy clock shutdown
  MMC: OMAP: Move failing command abortion to workqueue
  MMC: OMAP: Use tasklet instead of workqueue for cover switch notification
  MMC: OMAP: Check the get_cover_state function pointer if not set
  MMC: OMAP: Using setup_timer instead of init_timer
  MMC: OMAP: Abort stuck commands
  MMC: OMAP: General cleanup for MMC multislot support
  MMC: OMAP: Power functions modified to MMC multislot support
  MMC: OMAP: Fix timeout calculation for MMC multislot support
  MMC: OMAP: New release dma and abort xfer functions
  MMC: OMAP: Add back cover switch support
  MMC: OMAP: Introduce new multislot structure and change driver to use it
  MMC: OMAP: Remove cover switch handling to allow adding multislot support
  MMC: OMAP: Fix the BYTEBLOCK capability removal
  ...

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);

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

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);
 }
 

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)

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)
 {