Merge branch 'tip/perf/jump-label-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/urgent

5 files changed, 34 insertions, 23 deletions

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index d545f79f6000..00073b7c0368 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -29,7 +29,6 @@
 #include <linux/kdev_t.h>
 #include <linux/blkdev.h>
 #include <linux/mutex.h>
-#include <linux/smp_lock.h>
 #include <linux/scatterlist.h>
 #include <linux/string_helpers.h>
 
@@ -51,6 +50,7 @@ MODULE_ALIAS("mmc:block");
 #define MMC_SHIFT       3
 #define MMC_NUM_MINORS  (256 >> MMC_SHIFT)
 
+static DEFINE_MUTEX(block_mutex);
 static DECLARE_BITMAP(dev_use, MMC_NUM_MINORS);
 
 /*
@@ -108,7 +108,7 @@ static int mmc_blk_open(struct block_device *bdev, fmode_t mode)
         struct mmc_blk_data *md = mmc_blk_get(bdev->bd_disk);
         int ret = -ENXIO;
 
-        lock_kernel();
+        mutex_lock(&block_mutex);
         if (md) {
                 if (md->usage == 2)
                         check_disk_change(bdev);
@@ -119,7 +119,7 @@ static int mmc_blk_open(struct block_device *bdev, fmode_t mode)
                         ret = -EROFS;
                 }
         }
-        unlock_kernel();
+        mutex_unlock(&block_mutex);
 
         return ret;
 }
@@ -128,9 +128,9 @@ static int mmc_blk_release(struct gendisk *disk, fmode_t mode)
 {
         struct mmc_blk_data *md = disk->private_data;
 
-        lock_kernel();
+        mutex_lock(&block_mutex);
         mmc_blk_put(md);
-        unlock_kernel();
+        mutex_unlock(&block_mutex);
         return 0;
 }
 
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index e876678176be..9c0b42bfe089 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -128,7 +128,6 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
         mq->req = NULL;
 
         blk_queue_prep_rq(mq->queue, mmc_prep_request);
-        blk_queue_ordered(mq->queue, QUEUE_ORDERED_DRAIN);
         queue_flag_set_unlocked(QUEUE_FLAG_NONROT, mq->queue);
         if (mmc_can_erase(card)) {
                 queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mq->queue);
diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c
index 53cb380c0987..46bc6d7551a3 100644
--- a/drivers/mmc/core/debugfs.c
+++ b/drivers/mmc/core/debugfs.c
@@ -245,6 +245,7 @@ static const struct file_operations mmc_dbg_ext_csd_fops = {
         .open           = mmc_ext_csd_open,
         .read           = mmc_ext_csd_read,
         .release        = mmc_ext_csd_release,
+        .llseek         = default_llseek,
 };
 
 void mmc_add_card_debugfs(struct mmc_card *card)
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 68d12794cfd9..1a0261160e56 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -237,7 +237,7 @@ endchoice
 
 config MMC_ATMELMCI_DMA
         bool "Atmel MCI DMA support (EXPERIMENTAL)"
-        depends on MMC_ATMELMCI && AVR32 && DMA_ENGINE && EXPERIMENTAL
+        depends on MMC_ATMELMCI && (AVR32 || ARCH_AT91SAM9G45) && DMA_ENGINE && EXPERIMENTAL
         help
           Say Y here to have the Atmel MCI driver use a DMA engine to
           do data transfers and thus increase the throughput and
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 4526d2791f29..4693e62145a6 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -364,6 +364,7 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
 {
         struct regulator *reg;
         int ret = 0;
+        int ocr_value = 0;
 
         switch (host->id) {
         case OMAP_MMC1_DEVID:
@@ -396,6 +397,17 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
                 }
         } else {
                 host->vcc = reg;
+                ocr_value = mmc_regulator_get_ocrmask(reg);
+                if (!mmc_slot(host).ocr_mask) {
+                        mmc_slot(host).ocr_mask = ocr_value;
+                } else {
+                        if (!(mmc_slot(host).ocr_mask & ocr_value)) {
+                                pr_err("MMC%d ocrmask %x is not supported\n",
+                                        host->id, mmc_slot(host).ocr_mask);
+                                mmc_slot(host).ocr_mask = 0;
+                                return -EINVAL;
+                        }
+                }
                 mmc_slot(host).ocr_mask = mmc_regulator_get_ocrmask(reg);
 
                 /* Allow an aux regulator */
@@ -982,6 +994,17 @@ static inline void omap_hsmmc_reset_controller_fsm(struct omap_hsmmc_host *host,
         OMAP_HSMMC_WRITE(host->base, SYSCTL,
                          OMAP_HSMMC_READ(host->base, SYSCTL) | bit);
 
+        /*
+         * OMAP4 ES2 and greater has an updated reset logic.
+         * Monitor a 0->1 transition first
+         */
+        if (mmc_slot(host).features & HSMMC_HAS_UPDATED_RESET) {
+                while ((!(OMAP_HSMMC_READ(host, SYSCTL) & bit))
+                                        && (i++ < limit))
+                        cpu_relax();
+        }
+        i = 0;
+
         while ((OMAP_HSMMC_READ(host->base, SYSCTL) & bit) &&
                 (i++ < limit))
                 cpu_relax();
@@ -2003,6 +2026,8 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
         if (res == NULL || irq < 0)
                 return -ENXIO;
 
+        res->start += pdata->reg_offset;
+        res->end += pdata->reg_offset;
         res = request_mem_region(res->start, res->end - res->start + 1,
                                                         pdev->name);
         if (res == NULL)
@@ -2116,23 +2141,9 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
         mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
                      MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_ERASE;
 
-        switch (mmc_slot(host).wires) {
-        case 8:
-                mmc->caps |= MMC_CAP_8_BIT_DATA;
-                /* Fall through */
-        case 4:
+        mmc->caps |= mmc_slot(host).caps;
+        if (mmc->caps & MMC_CAP_8_BIT_DATA)
                 mmc->caps |= MMC_CAP_4_BIT_DATA;
-                break;
-        case 1:
-                /* Nothing to crib here */
-        case 0:
-                /* Assuming nothing was given by board, Core use's 1-Bit */
-                break;
-        default:
-                /* Completely unexpected.. Core goes with 1-Bit Width */
-                dev_crit(mmc_dev(host->mmc), "Invalid width %d\n used!"
-                        "using 1 instead\n", mmc_slot(host).wires);
-        }
 
         if (mmc_slot(host).nonremovable)
                 mmc->caps |= MMC_CAP_NONREMOVABLE;