1 files changed, 37 insertions, 26 deletions

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 4a24db028d87..f2bc87ac24f7 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1,5 +1,5 @@
 /*
- *  linux/drivers/mmc/sdhci.c - Secure Digital Host Controller Interface driver
+ *  linux/drivers/mmc/host/sdhci.c - Secure Digital Host Controller Interface driver
  *
  *  Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved.
  *
@@ -34,6 +34,7 @@ static unsigned int debug_quirks = 0;
 /* Controller doesn't like some resets when there is no card inserted. */
 #define SDHCI_QUIRK_NO_CARD_NO_RESET                    (1<<2)
 #define SDHCI_QUIRK_SINGLE_POWER_WRITE                  (1<<3)
+#define SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS               (1<<4)
 
 static const struct pci_device_id pci_ids[] __devinitdata = {
         {
@@ -78,6 +79,24 @@ static const struct pci_device_id pci_ids[] __devinitdata = {
                 .driver_data    = SDHCI_QUIRK_SINGLE_POWER_WRITE,
         },
 
+        {
+                .vendor         = PCI_VENDOR_ID_ENE,
+                .device         = PCI_DEVICE_ID_ENE_CB714_SD,
+                .subvendor      = PCI_ANY_ID,
+                .subdevice      = PCI_ANY_ID,
+                .driver_data    = SDHCI_QUIRK_SINGLE_POWER_WRITE |
+                                  SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS,
+        },
+
+        {
+                .vendor         = PCI_VENDOR_ID_ENE,
+                .device         = PCI_DEVICE_ID_ENE_CB714_SD_2,
+                .subvendor      = PCI_ANY_ID,
+                .subdevice      = PCI_ANY_ID,
+                .driver_data    = SDHCI_QUIRK_SINGLE_POWER_WRITE |
+                                  SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS,
+        },
+
         {       /* Generic SD host controller */
                 PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI << 8), 0xFFFF00)
         },
@@ -361,11 +380,6 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data)
         if (data == NULL)
                 return;
 
-        DBG("blksz %04x blks %04x flags %08x\n",
-                data->blksz, data->blocks, data->flags);
-        DBG("tsac %d ms nsac %d clk\n",
-                data->timeout_ns / 1000000, data->timeout_clks);
-
         /* Sanity checks */
         BUG_ON(data->blksz * data->blocks > 524288);
         BUG_ON(data->blksz > host->mmc->max_blk_size);
@@ -476,8 +490,6 @@ static void sdhci_finish_data(struct sdhci_host *host)
                 data->error = MMC_ERR_FAILED;
         }
 
-        DBG("Ending data transfer (%d bytes)\n", data->bytes_xfered);
-
         if (data->stop) {
                 /*
                  * The controller needs a reset of internal state machines
@@ -501,8 +513,6 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
 
         WARN_ON(host->cmd);
 
-        DBG("Sending cmd (%x)\n", cmd->opcode);
-
         /* Wait max 10 ms */
         timeout = 10;
 
@@ -590,8 +600,6 @@ static void sdhci_finish_command(struct sdhci_host *host)
 
         host->cmd->error = MMC_ERR_NONE;
 
-        DBG("Ending cmd (%x)\n", host->cmd->opcode);
-
         if (host->cmd->data)
                 host->data = host->cmd->data;
         else
@@ -759,6 +767,14 @@ static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 
         writeb(ctrl, host->ioaddr + SDHCI_HOST_CONTROL);
 
+        /*
+         * Some (ENE) controllers go apeshit on some ios operation,
+         * signalling timeout and CRC errors even on CMD0. Resetting
+         * it on each ios seems to solve the problem.
+         */
+        if(host->chip->quirks & SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS)
+                sdhci_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA);
+
         mmiowb();
         spin_unlock_irqrestore(&host->lock, flags);
 }
@@ -835,8 +851,6 @@ static void sdhci_tasklet_finish(unsigned long param)
 
         mrq = host->mrq;
 
-        DBG("Ending request, cmd (%x)\n", mrq->cmd->opcode);
-
         /*
          * The controller needs a reset of internal state machines
          * upon error conditions.
@@ -922,20 +936,17 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask)
                 return;
         }
 
-        if (intmask & SDHCI_INT_RESPONSE)
-                sdhci_finish_command(host);
-        else {
-                if (intmask & SDHCI_INT_TIMEOUT)
-                        host->cmd->error = MMC_ERR_TIMEOUT;
-                else if (intmask & SDHCI_INT_CRC)
-                        host->cmd->error = MMC_ERR_BADCRC;
-                else if (intmask & (SDHCI_INT_END_BIT | SDHCI_INT_INDEX))
-                        host->cmd->error = MMC_ERR_FAILED;
-                else
-                        host->cmd->error = MMC_ERR_INVALID;
+        if (intmask & SDHCI_INT_TIMEOUT)
+                host->cmd->error = MMC_ERR_TIMEOUT;
+        else if (intmask & SDHCI_INT_CRC)
+                host->cmd->error = MMC_ERR_BADCRC;
+        else if (intmask & (SDHCI_INT_END_BIT | SDHCI_INT_INDEX))
+                host->cmd->error = MMC_ERR_FAILED;
 
+        if (host->cmd->error != MMC_ERR_NONE)
                 tasklet_schedule(&host->finish_tasklet);
-        }
+        else if (intmask & SDHCI_INT_RESPONSE)
+                sdhci_finish_command(host);
 }
 
 static void sdhci_data_irq(struct sdhci_host *host, u32 intmask)