mmc: dw_mmc: remove the unused quirks

Removed the unused quirks. These quirks don't used anywhere.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

2 files changed, 2 insertions, 27 deletions

diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index fb204ee6ff89..712835177e8b 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1634,12 +1634,6 @@ static int dw_mci_command_complete(struct dw_mci *host, struct mmc_command *cmd)
         else
                 cmd->error = 0;
 
-        if (cmd->error) {
-                /* newer ip versions need a delay between retries */
-                if (host->quirks & DW_MCI_QUIRK_RETRY_DELAY)
-                        mdelay(20);
-        }
-
         return cmd->error;
 }
 
@@ -2355,16 +2349,6 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id)
 
         pending = mci_readl(host, MINTSTS); /* read-only mask reg */
 
-        /*
-         * DTO fix - version 2.10a and below, and only if internal DMA
-         * is configured.
-         */
-        if (host->quirks & DW_MCI_QUIRK_IDMAC_DTO) {
-                if (!pending &&
-                    ((mci_readl(host, STATUS) >> 17) & 0x1fff))
-                        pending |= SDMMC_INT_DATA_OVER;
-        }
-
         if (pending) {
                 /* Check volt switch first, since it can look like an error */
                 if ((host->state == STATE_SENDING_CMD11) &&
@@ -3165,9 +3149,6 @@ int dw_mci_probe(struct dw_mci *host)
         /* Now that slots are all setup, we can enable card detect */
         dw_mci_enable_cd(host);
 
-        if (host->quirks & DW_MCI_QUIRK_IDMAC_DTO)
-                dev_info(host->dev, "Internal DMAC interrupt fix enabled.\n");
-
         return 0;
 
 err_dmaunmap:
diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h
index 7776afb0ffa5..89df7abedd67 100644
--- a/include/linux/mmc/dw_mmc.h
+++ b/include/linux/mmc/dw_mmc.h
@@ -235,16 +235,10 @@ struct dw_mci_dma_ops {
 };
 
 /* IP Quirks/flags. */
-/* DTO fix for command transmission with IDMAC configured */
-#define DW_MCI_QUIRK_IDMAC_DTO                  BIT(0)
-/* delay needed between retries on some 2.11a implementations */
-#define DW_MCI_QUIRK_RETRY_DELAY                BIT(1)
-/* High Speed Capable - Supports HS cards (up to 50MHz) */
-#define DW_MCI_QUIRK_HIGHSPEED                  BIT(2)
 /* Unreliable card detection */
-#define DW_MCI_QUIRK_BROKEN_CARD_DETECTION      BIT(3)
+#define DW_MCI_QUIRK_BROKEN_CARD_DETECTION      BIT(0)
 /* Timer for broken data transfer over scheme */
-#define DW_MCI_QUIRK_BROKEN_DTO                 BIT(4)
+#define DW_MCI_QUIRK_BROKEN_DTO                 BIT(1)
 
 struct dma_pdata;