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-rw-r--r--target/linux/brcm2708/patches-3.10/0010-sdcard-patch-improvements-from-naren.patch56
1 files changed, 56 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-3.10/0010-sdcard-patch-improvements-from-naren.patch b/target/linux/brcm2708/patches-3.10/0010-sdcard-patch-improvements-from-naren.patch
new file mode 100644
index 0000000000..1dfd3f8ed5
--- /dev/null
+++ b/target/linux/brcm2708/patches-3.10/0010-sdcard-patch-improvements-from-naren.patch
@@ -0,0 +1,56 @@
+From 7063eab83522ea1f24934b971418bfdd4c5578f1 Mon Sep 17 00:00:00 2001
+From: popcornmix <popcornmix@gmail.com>
+Date: Thu, 17 May 2012 14:44:19 +0100
+Subject: [PATCH 010/174] sdcard patch improvements from naren
+
+---
+ drivers/mmc/host/sdhci-bcm2708.c | 23 +++++++----------------
+ 1 file changed, 7 insertions(+), 16 deletions(-)
+
+--- a/drivers/mmc/host/sdhci-bcm2708.c
++++ b/drivers/mmc/host/sdhci-bcm2708.c
+@@ -886,8 +886,7 @@ static void sdhci_bcm2708_dma_complete_i
+ We get CRC and DEND errors unless we wait for
+ the SD controller to finish reading/writing to the card. */
+ u32 state_mask;
+- int timeout=1000000;
+- hptime_t now = hptime();
++ int timeout=1000;
+
+ DBG("PDMA over - sync card\n");
+ if (data->flags & MMC_DATA_READ)
+@@ -895,17 +894,12 @@ static void sdhci_bcm2708_dma_complete_i
+ else
+ state_mask = SDHCI_DOING_WRITE;
+
+- while (0 != (sdhci_bcm2708_raw_readl(host,
+- SDHCI_PRESENT_STATE) &
+- state_mask) && --timeout > 0)
++ while (0 != (sdhci_bcm2708_raw_readl(host, SDHCI_PRESENT_STATE)
++ & state_mask) && --timeout > 0)
++ {
++ udelay(100);
+ continue;
+-
+- if (1000000-timeout > 4000) /*ave. is about 3250*/
+- DBG("%s: note - long %s sync %luns - "
+- "%d its.\n",
+- mmc_hostname(host->mmc),
+- data->flags & MMC_DATA_READ? "read": "write",
+- since_ns(now), 1000000-timeout);
++ }
+ if (timeout <= 0)
+ printk(KERN_ERR"%s: final %s to SD card still "
+ "running\n",
+@@ -1175,10 +1169,7 @@ static unsigned int sdhci_bcm2708_uhs_br
+
+ static unsigned int sdhci_bcm2708_missing_status(struct sdhci_host *host)
+ {
+- if(host->last_cmdop == MMC_SEND_STATUS)
+- return 1;
+- else
+- return 0;
++ return 1;
+ }
+
+ /***************************************************************************** \