From: Ludovic Barre <ludovic.ba...@st.com>

This patch adds datactrl variant property to define
dpsm enable bit. Needed to support the STM32 variant
(STM32 has no dpsm enable bit).

Signed-off-by: Ludovic Barre <ludovic.ba...@st.com>
---
 drivers/mmc/host/mmci.c | 15 ++++++++++++---
 drivers/mmc/host/mmci.h |  2 ++
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 52562fc..1f44c61 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -57,6 +57,7 @@ static struct variant_data variant_arm = {
        .cmdreg_srsp            = MCI_CPSM_RESPONSE,
        .datalength_bits        = 16,
        .datactrl_blocksz       = 11,
+       .datactrl_dpsm_enable   = MCI_DPSM_ENABLE,
        .pwrreg_powerup         = MCI_PWR_UP,
        .f_max                  = 100000000,
        .reversed_irq_handling  = true,
@@ -75,6 +76,7 @@ static struct variant_data variant_arm_extended_fifo = {
        .cmdreg_srsp            = MCI_CPSM_RESPONSE,
        .datalength_bits        = 16,
        .datactrl_blocksz       = 11,
+       .datactrl_dpsm_enable   = MCI_DPSM_ENABLE,
        .pwrreg_powerup         = MCI_PWR_UP,
        .f_max                  = 100000000,
        .mmcimask1              = true,
@@ -93,6 +95,7 @@ static struct variant_data variant_arm_extended_fifo_hwfc = {
        .cmdreg_srsp            = MCI_CPSM_RESPONSE,
        .datalength_bits        = 16,
        .datactrl_blocksz       = 11,
+       .datactrl_dpsm_enable   = MCI_DPSM_ENABLE,
        .pwrreg_powerup         = MCI_PWR_UP,
        .f_max                  = 100000000,
        .mmcimask1              = true,
@@ -112,6 +115,7 @@ static struct variant_data variant_u300 = {
        .cmdreg_srsp            = MCI_CPSM_RESPONSE,
        .datalength_bits        = 16,
        .datactrl_blocksz       = 11,
+       .datactrl_dpsm_enable   = MCI_DPSM_ENABLE,
        .datactrl_mask_sdio     = MCI_DPSM_ST_SDIOEN,
        .st_sdio                        = true,
        .pwrreg_powerup         = MCI_PWR_ON,
@@ -136,6 +140,7 @@ static struct variant_data variant_nomadik = {
        .cmdreg_srsp            = MCI_CPSM_RESPONSE,
        .datalength_bits        = 24,
        .datactrl_blocksz       = 11,
+       .datactrl_dpsm_enable   = MCI_DPSM_ENABLE,
        .datactrl_mask_sdio     = MCI_DPSM_ST_SDIOEN,
        .st_sdio                = true,
        .st_clkdiv              = true,
@@ -163,6 +168,7 @@ static struct variant_data variant_ux500 = {
        .cmdreg_srsp            = MCI_CPSM_RESPONSE,
        .datalength_bits        = 24,
        .datactrl_blocksz       = 11,
+       .datactrl_dpsm_enable   = MCI_DPSM_ENABLE,
        .datactrl_mask_sdio     = MCI_DPSM_ST_SDIOEN,
        .st_sdio                = true,
        .st_clkdiv              = true,
@@ -195,6 +201,7 @@ static struct variant_data variant_ux500v2 = {
        .datactrl_mask_ddrmode  = MCI_DPSM_ST_DDRMODE,
        .datalength_bits        = 24,
        .datactrl_blocksz       = 11,
+       .datactrl_dpsm_enable   = MCI_DPSM_ENABLE,
        .datactrl_mask_sdio     = MCI_DPSM_ST_SDIOEN,
        .st_sdio                = true,
        .st_clkdiv              = true,
@@ -227,6 +234,7 @@ static struct variant_data variant_stm32 = {
        .cmdreg_srsp            = MCI_CPSM_RESPONSE,
        .datalength_bits        = 24,
        .datactrl_blocksz       = 11,
+       .datactrl_dpsm_enable   = MCI_DPSM_ENABLE,
        .datactrl_mask_sdio     = MCI_DPSM_ST_SDIOEN,
        .st_sdio                = true,
        .st_clkdiv              = true,
@@ -253,6 +261,7 @@ static struct variant_data variant_qcom = {
        .blksz_datactrl4        = true,
        .datalength_bits        = 24,
        .datactrl_blocksz       = 11,
+       .datactrl_dpsm_enable   = MCI_DPSM_ENABLE,
        .pwrreg_powerup         = MCI_PWR_UP,
        .f_max                  = 208000000,
        .explicit_mclk_control  = true,
@@ -564,11 +573,11 @@ static void mmci_start_data(struct mmci_host *host, 
struct mmc_data *data)
        BUG_ON(1 << blksz_bits != data->blksz);
 
        if (variant->blksz_datactrl16)
-               datactrl = MCI_DPSM_ENABLE | (data->blksz << 16);
+               datactrl = variant->datactrl_dpsm_enable | (data->blksz << 16);
        else if (variant->blksz_datactrl4)
-               datactrl = MCI_DPSM_ENABLE | (data->blksz << 4);
+               datactrl = variant->datactrl_dpsm_enable | (data->blksz << 4);
        else
-               datactrl = MCI_DPSM_ENABLE | blksz_bits << 4;
+               datactrl = variant->datactrl_dpsm_enable | blksz_bits << 4;
 
        if (data->flags & MMC_DATA_READ)
                datactrl |= MCI_DPSM_DIRECTION;
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h
index e173305..a2bf8bc 100644
--- a/drivers/mmc/host/mmci.h
+++ b/drivers/mmc/host/mmci.h
@@ -258,6 +258,7 @@ struct mmci_host;
  *                  register
  * @datactrl_mask_sdio: SDIO enable mask in datactrl register
  * @datactrl_blksz: block size in power of two
+ * @datactrl_dpsm_enable: enable value for DPSM
  * @pwrreg_powerup: power up value for MMCIPOWER register
  * @f_max: maximum clk frequency supported by the controller.
  * @signal_direction: input/out direction of bus signals can be indicated
@@ -297,6 +298,7 @@ struct variant_data {
        unsigned int            datactrl_mask_ddrmode;
        unsigned int            datactrl_mask_sdio;
        unsigned int            datactrl_blocksz;
+       unsigned int            datactrl_dpsm_enable;
        bool                    st_sdio;
        bool                    st_clkdiv;
        bool                    blksz_datactrl16;
-- 
2.7.4

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