openwrtv3/target/linux/brcm2708/patches-3.10/0024-Fix-spinlock-recursion-in-sdhci-bcm2708.c.patch

From bd9a95701602937c6e402a4fc6786d1675431117 Mon Sep 17 00:00:00 2001
From: ddv2005 <ddv@abinet.com>
Date: Sun, 5 Aug 2012 10:42:12 -0400
Subject: [PATCH 024/174] Fix spinlock recursion in sdhci-bcm2708.c

---
 drivers/mmc/host/sdhci-bcm2708.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

--- a/drivers/mmc/host/sdhci-bcm2708.c
+++ b/drivers/mmc/host/sdhci-bcm2708.c
@@ -643,11 +643,11 @@ void
 sdhci_bcm2708_platdma_reset(struct sdhci_host *host, struct mmc_data *data)
 {
 	struct sdhci_bcm2708_priv *host_priv = SDHCI_HOST_PRIV(host);
-	unsigned long flags;
+//	unsigned long flags;
 
 	BUG_ON(NULL == host);
 
-	spin_lock_irqsave(&host->lock, flags);
+//	spin_lock_irqsave(&host->lock, flags);
 
 	if (host_priv->dma_wanted) {
 		if (NULL == data) {
@@ -727,7 +727,7 @@ sdhci_bcm2708_platdma_reset(struct sdhci
 #endif
 	}
 
-	spin_unlock_irqrestore(&host->lock, flags);
+//	spin_unlock_irqrestore(&host->lock, flags);
 }
 
 
@@ -740,11 +740,11 @@ static void sdhci_bcm2708_dma_complete_i
 	int sg_len;
 	int sg_ix;
 	int sg_todo;
-	unsigned long flags;
+//	unsigned long flags;
 
 	BUG_ON(NULL == host);
 
-	spin_lock_irqsave(&host->lock, flags);
+//	spin_lock_irqsave(&host->lock, flags);
 	data = host->data;
 
 #ifdef CHECK_DMA_USE
@@ -769,7 +769,7 @@ static void sdhci_bcm2708_dma_complete_i
 
 	if (NULL == data) {
 		DBG("PDMA unused completion - status 0x%X\n", dma_cs);
-		spin_unlock_irqrestore(&host->lock, flags);
+//		spin_unlock_irqrestore(&host->lock, flags);
 		return;
 	}
 	sg = data->sg;
@@ -862,7 +862,7 @@ static void sdhci_bcm2708_dma_complete_i
 						SDHCI_INT_SPACE_AVAIL);
 		}
 	}
-	spin_unlock_irqrestore(&host->lock, flags);
+//	spin_unlock_irqrestore(&host->lock, flags);
 }
 
 static irqreturn_t sdhci_bcm2708_dma_irq(int irq, void *dev_id)