1 files changed, 35 insertions, 10 deletions

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index a25db426c910..9e15f41f87be 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -23,6 +23,7 @@
 
 #include <linux/leds.h>
 
+#include <linux/mmc/mmc.h>
 #include <linux/mmc/host.h>
 
 #include "sdhci.h"
@@ -77,8 +78,11 @@ static void sdhci_dumpregs(struct sdhci_host *host)
         printk(KERN_DEBUG DRIVER_NAME ": AC12 err: 0x%08x | Slot int: 0x%08x\n",
                 sdhci_readw(host, SDHCI_ACMD12_ERR),
                 sdhci_readw(host, SDHCI_SLOT_INT_STATUS));
-        printk(KERN_DEBUG DRIVER_NAME ": Caps:     0x%08x | Max curr: 0x%08x\n",
+        printk(KERN_DEBUG DRIVER_NAME ": Caps:     0x%08x | Caps_1:   0x%08x\n",
                 sdhci_readl(host, SDHCI_CAPABILITIES),
+                sdhci_readl(host, SDHCI_CAPABILITIES_1));
+        printk(KERN_DEBUG DRIVER_NAME ": Cmd:      0x%08x | Max curr: 0x%08x\n",
+                sdhci_readw(host, SDHCI_COMMAND),
                 sdhci_readl(host, SDHCI_MAX_CURRENT));
 
         if (host->flags & SDHCI_USE_ADMA)
@@ -1518,7 +1522,11 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask)
 
         if (intmask & SDHCI_INT_DATA_TIMEOUT)
                 host->data->error = -ETIMEDOUT;
-        else if (intmask & (SDHCI_INT_DATA_CRC | SDHCI_INT_DATA_END_BIT))
+        else if (intmask & SDHCI_INT_DATA_END_BIT)
+                host->data->error = -EILSEQ;
+        else if ((intmask & SDHCI_INT_DATA_CRC) &&
+                SDHCI_GET_CMD(sdhci_readw(host, SDHCI_COMMAND))
+                        != MMC_BUS_TEST_R)
                 host->data->error = -EILSEQ;
         else if (intmask & SDHCI_INT_ADMA_ERROR) {
                 printk(KERN_ERR "%s: ADMA error\n", mmc_hostname(host->mmc));
@@ -1736,7 +1744,7 @@ EXPORT_SYMBOL_GPL(sdhci_alloc_host);
 int sdhci_add_host(struct sdhci_host *host)
 {
         struct mmc_host *mmc;
-        unsigned int caps;
+        unsigned int caps, ocr_avail;
         int ret;
 
         WARN_ON(host == NULL);
@@ -1890,13 +1898,26 @@ int sdhci_add_host(struct sdhci_host *host)
             mmc_card_is_removable(mmc))
                 mmc->caps |= MMC_CAP_NEEDS_POLL;
 
-        mmc->ocr_avail = 0;
+        ocr_avail = 0;
         if (caps & SDHCI_CAN_VDD_330)
-                mmc->ocr_avail |= MMC_VDD_32_33|MMC_VDD_33_34;
+                ocr_avail |= MMC_VDD_32_33 | MMC_VDD_33_34;
         if (caps & SDHCI_CAN_VDD_300)
-                mmc->ocr_avail |= MMC_VDD_29_30|MMC_VDD_30_31;
+                ocr_avail |= MMC_VDD_29_30 | MMC_VDD_30_31;
         if (caps & SDHCI_CAN_VDD_180)
-                mmc->ocr_avail |= MMC_VDD_165_195;
+                ocr_avail |= MMC_VDD_165_195;
+
+        mmc->ocr_avail = ocr_avail;
+        mmc->ocr_avail_sdio = ocr_avail;
+        if (host->ocr_avail_sdio)
+                mmc->ocr_avail_sdio &= host->ocr_avail_sdio;
+        mmc->ocr_avail_sd = ocr_avail;
+        if (host->ocr_avail_sd)
+                mmc->ocr_avail_sd &= host->ocr_avail_sd;
+        else /* normal SD controllers don't support 1.8V */
+                mmc->ocr_avail_sd &= ~MMC_VDD_165_195;
+        mmc->ocr_avail_mmc = ocr_avail;
+        if (host->ocr_avail_mmc)
+                mmc->ocr_avail_mmc &= host->ocr_avail_mmc;
 
         if (mmc->ocr_avail == 0) {
                 printk(KERN_ERR "%s: Hardware doesn't report any "
@@ -1928,10 +1949,14 @@ int sdhci_add_host(struct sdhci_host *host)
          * of bytes. When doing hardware scatter/gather, each entry cannot
          * be larger than 64 KiB though.
          */
-        if (host->flags & SDHCI_USE_ADMA)
-                mmc->max_seg_size = 65536;
-        else
+        if (host->flags & SDHCI_USE_ADMA) {
+                if (host->quirks & SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC)
+                        mmc->max_seg_size = 65535;
+                else
+                        mmc->max_seg_size = 65536;
+        } else {
                 mmc->max_seg_size = mmc->max_req_size;
+        }
 
         /*
          * Maximum block size. This varies from controller to controller and