Merge master.kernel.org:/home/rmk/linux-2.6-mmc

6 files changed, 23 insertions, 10 deletions

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 0a117c61cd18..ceae379a4d4c 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1079,13 +1079,17 @@ static void mmc_setup(struct mmc_host *host)
 /**
  *      mmc_detect_change - process change of state on a MMC socket
  *      @host: host which changed state.
+ *      @delay: optional delay to wait before detection (jiffies)
  *
  *      All we know is that card(s) have been inserted or removed
  *      from the socket(s).  We don't know which socket or cards.
  */
-void mmc_detect_change(struct mmc_host *host)
+void mmc_detect_change(struct mmc_host *host, unsigned long delay)
 {
-        schedule_work(&host->detect);
+        if (delay)
+                schedule_delayed_work(&host->detect, delay);
+        else
+                schedule_work(&host->detect);
 }
 
 EXPORT_SYMBOL(mmc_detect_change);
@@ -1189,7 +1193,7 @@ int mmc_add_host(struct mmc_host *host)
         ret = mmc_add_host_sysfs(host);
         if (ret == 0) {
                 mmc_power_off(host);
-                mmc_detect_change(host);
+                mmc_detect_change(host, 0);
         }
 
         return ret;
@@ -1259,7 +1263,7 @@ EXPORT_SYMBOL(mmc_suspend_host);
  */
 int mmc_resume_host(struct mmc_host *host)
 {
-        mmc_detect_change(host);
+        mmc_detect_change(host, 0);
 
         return 0;
 }
diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c
index 716c4ef4faf6..91c74843dc0d 100644
--- a/drivers/mmc/mmci.c
+++ b/drivers/mmc/mmci.c
@@ -442,7 +442,7 @@ static void mmci_check_status(unsigned long data)
 
         status = host->plat->status(mmc_dev(host->mmc));
         if (status ^ host->oldstat)
-                mmc_detect_change(host->mmc);
+                mmc_detect_change(host->mmc, 0);
 
         host->oldstat = status;
         mod_timer(&host->timer, jiffies + HZ);
diff --git a/drivers/mmc/pxamci.c b/drivers/mmc/pxamci.c
index e99a53b09e32..b53af57074e3 100644
--- a/drivers/mmc/pxamci.c
+++ b/drivers/mmc/pxamci.c
@@ -423,7 +423,9 @@ static void pxamci_dma_irq(int dma, void *devid, struct pt_regs *regs)
 
 static irqreturn_t pxamci_detect_irq(int irq, void *devid, struct pt_regs *regs)
 {
-        mmc_detect_change(devid);
+        struct pxamci_host *host = mmc_priv(devid);
+
+        mmc_detect_change(devid, host->pdata->detect_delay);
         return IRQ_HANDLED;
 }
 
diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c
index dec01d38c782..a62c86fef5cc 100644
--- a/drivers/mmc/wbsd.c
+++ b/drivers/mmc/wbsd.c
@@ -1122,7 +1122,7 @@ static void wbsd_detect_card(unsigned long data)
         
         DBG("Executing card detection\n");
         
-        mmc_detect_change(host->mmc);   
+        mmc_detect_change(host->mmc, 0);        
 }
 
 /*
@@ -1198,7 +1198,7 @@ static void wbsd_tasklet_card(unsigned long param)
                  */
                 spin_unlock(&host->lock);
 
-                mmc_detect_change(host->mmc);
+                mmc_detect_change(host->mmc, 0);
         }
         else
                 spin_unlock(&host->lock);
diff --git a/include/asm-arm/arch-pxa/mmc.h b/include/asm-arm/arch-pxa/mmc.h
index 9718063a2119..88c17dd02ed2 100644
--- a/include/asm-arm/arch-pxa/mmc.h
+++ b/include/asm-arm/arch-pxa/mmc.h
@@ -9,6 +9,7 @@ struct mmc_host;
 
 struct pxamci_platform_data {
         unsigned int ocr_mask;                  /* available voltages */
+        unsigned long detect_delay;             /* delay in jiffies before detecting cards after interrupt */
         int (*init)(struct device *, irqreturn_t (*)(int, void *, struct pt_regs *), void *);
         int (*get_ro)(struct device *);
         void (*setpower)(struct device *, unsigned int);
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 6014160d9c06..c1f021eddffa 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -109,6 +109,8 @@ struct mmc_host {
         struct mmc_card         *card_selected; /* the selected MMC card */
 
         struct work_struct      detect;
+
+        unsigned long           private[0] ____cacheline_aligned;
 };
 
 extern struct mmc_host *mmc_alloc_host(int extra, struct device *);
@@ -116,14 +118,18 @@ extern int mmc_add_host(struct mmc_host *);
 extern void mmc_remove_host(struct mmc_host *);
 extern void mmc_free_host(struct mmc_host *);
 
-#define mmc_priv(x)     ((void *)((x) + 1))
+static inline void *mmc_priv(struct mmc_host *host)
+{
+        return (void *)host->private;
+}
+
 #define mmc_dev(x)      ((x)->dev)
 #define mmc_hostname(x) ((x)->class_dev.class_id)
 
 extern int mmc_suspend_host(struct mmc_host *, pm_message_t);
 extern int mmc_resume_host(struct mmc_host *);
 
-extern void mmc_detect_change(struct mmc_host *);
+extern void mmc_detect_change(struct mmc_host *, unsigned long delay);
 extern void mmc_request_done(struct mmc_host *, struct mmc_request *);
 
 #endif