]> git.dujemihanovic.xyz Git - u-boot.git/commitdiff
mmc: tegra: priv struct and naming cleanup
authorStephen Warren <swarren@nvidia.com>
Tue, 13 Sep 2016 16:45:46 +0000 (10:45 -0600)
committerTom Warren <twarren@nvidia.com>
Tue, 27 Sep 2016 16:11:01 +0000 (09:11 -0700)
struct mmc_host is a Tegra-specific structure, but the name implies it's
something defined by core MMC code, which is confusing. Rename it to
struct tegra_mmc_priv to make its purpose more obvious. The new name is
also more appropriate for a DM driver private data structure, which will
be relevant later in this series.

Nothing needs access to this type except the MMC driver itself. Move the
definition into the driver C file.

Make sure all Tegra MMC functions are named tegra_mmc_*. Even though
they're all static, it's useful to have good naming so that symbol tables
are easy to interpret. A few functions aren't renamed by this patch since
they'll be deleted by a subsequent patch in this series.

Cc: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
arch/arm/include/asm/arch-tegra/tegra_mmc.h
drivers/mmc/tegra_mmc.c

index fecb6599a844495083251ba3bf8807ac7b84ff70..64c848acb139340d07c7899adb3f6ab4140090f1 100644 (file)
@@ -132,24 +132,5 @@ struct tegra_mmc {
 #define AUTO_CAL_PD_OFFSET     (0x70 << 8)
 #define AUTO_CAL_PU_OFFSET     (0x62 << 0)
 
-struct mmc_host {
-       struct tegra_mmc *reg;
-       int id;                 /* device id/number, 0-3 */
-       int enabled;            /* 1 to enable, 0 to disable */
-       int width;              /* Bus Width, 1, 4 or 8 */
-#ifdef CONFIG_TEGRA186
-       struct reset_ctl reset_ctl;
-       struct clk clk;
-#else
-       enum periph_id mmc_id;  /* Peripheral ID: PERIPH_ID_... */
-#endif
-       struct gpio_desc cd_gpio;       /* Change Detect GPIO */
-       struct gpio_desc pwr_gpio;      /* Power GPIO */
-       struct gpio_desc wp_gpio;       /* Write Protect GPIO */
-       unsigned int version;   /* SDHCI spec. version */
-       unsigned int clock;     /* Current clock (MHz) */
-       struct mmc_config cfg;  /* mmc configuration */
-};
-
 #endif /* __ASSEMBLY__ */
 #endif /* __TEGRA_MMC_H_ */
index 4335431acc1777bb41667ba5e937878c58ebd4d6..9287f1c3424f02ad38e96ddbd93f3cbf470498ad 100644 (file)
 
 DECLARE_GLOBAL_DATA_PTR;
 
-struct mmc_host mmc_host[CONFIG_SYS_MMC_MAX_DEVICE];
+struct tegra_mmc_priv {
+       struct tegra_mmc *reg;
+       int id;                 /* device id/number, 0-3 */
+       int enabled;            /* 1 to enable, 0 to disable */
+       int width;              /* Bus Width, 1, 4 or 8 */
+#ifdef CONFIG_TEGRA186
+       struct reset_ctl reset_ctl;
+       struct clk clk;
+#else
+       enum periph_id mmc_id;  /* Peripheral ID: PERIPH_ID_... */
+#endif
+       struct gpio_desc cd_gpio;       /* Change Detect GPIO */
+       struct gpio_desc pwr_gpio;      /* Power GPIO */
+       struct gpio_desc wp_gpio;       /* Write Protect GPIO */
+       unsigned int version;   /* SDHCI spec. version */
+       unsigned int clock;     /* Current clock (MHz) */
+       struct mmc_config cfg;  /* mmc configuration */
+};
+
+struct tegra_mmc_priv mmc_host[CONFIG_SYS_MMC_MAX_DEVICE];
 
 #if !CONFIG_IS_ENABLED(OF_CONTROL)
 #error "Please enable device tree support to use this driver"
 #endif
 
-static void mmc_set_power(struct mmc_host *host, unsigned short power)
+static void tegra_mmc_set_power(struct tegra_mmc_priv *priv,
+                               unsigned short power)
 {
        u8 pwr = 0;
        debug("%s: power = %x\n", __func__, power);
@@ -61,17 +81,18 @@ static void mmc_set_power(struct mmc_host *host, unsigned short power)
        debug("%s: pwr = %X\n", __func__, pwr);
 
        /* Set the bus voltage first (if any) */
-       writeb(pwr, &host->reg->pwrcon);
+       writeb(pwr, &priv->reg->pwrcon);
        if (pwr == 0)
                return;
 
        /* Now enable bus power */
        pwr |= TEGRA_MMC_PWRCTL_SD_BUS_POWER;
-       writeb(pwr, &host->reg->pwrcon);
+       writeb(pwr, &priv->reg->pwrcon);
 }
 
-static void mmc_prepare_data(struct mmc_host *host, struct mmc_data *data,
-                               struct bounce_buffer *bbstate)
+static void tegra_mmc_prepare_data(struct tegra_mmc_priv *priv,
+                                  struct mmc_data *data,
+                                  struct bounce_buffer *bbstate)
 {
        unsigned char ctrl;
 
@@ -80,7 +101,7 @@ static void mmc_prepare_data(struct mmc_host *host, struct mmc_data *data,
                bbstate->bounce_buffer, bbstate->user_buffer, data->blocks,
                data->blocksize);
 
-       writel((u32)(unsigned long)bbstate->bounce_buffer, &host->reg->sysad);
+       writel((u32)(unsigned long)bbstate->bounce_buffer, &priv->reg->sysad);
        /*
         * DMASEL[4:3]
         * 00 = Selects SDMA
@@ -88,17 +109,18 @@ static void mmc_prepare_data(struct mmc_host *host, struct mmc_data *data,
         * 10 = Selects 32-bit Address ADMA2
         * 11 = Selects 64-bit Address ADMA2
         */
-       ctrl = readb(&host->reg->hostctl);
+       ctrl = readb(&priv->reg->hostctl);
        ctrl &= ~TEGRA_MMC_HOSTCTL_DMASEL_MASK;
        ctrl |= TEGRA_MMC_HOSTCTL_DMASEL_SDMA;
-       writeb(ctrl, &host->reg->hostctl);
+       writeb(ctrl, &priv->reg->hostctl);
 
        /* We do not handle DMA boundaries, so set it to max (512 KiB) */
-       writew((7 << 12) | (data->blocksize & 0xFFF), &host->reg->blksize);
-       writew(data->blocks, &host->reg->blkcnt);
+       writew((7 << 12) | (data->blocksize & 0xFFF), &priv->reg->blksize);
+       writew(data->blocks, &priv->reg->blkcnt);
 }
 
-static void mmc_set_transfer_mode(struct mmc_host *host, struct mmc_data *data)
+static void tegra_mmc_set_transfer_mode(struct tegra_mmc_priv *priv,
+                                       struct mmc_data *data)
 {
        unsigned short mode;
        debug(" mmc_set_transfer_mode called\n");
@@ -121,13 +143,13 @@ static void mmc_set_transfer_mode(struct mmc_host *host, struct mmc_data *data)
        if (data->flags & MMC_DATA_READ)
                mode |= TEGRA_MMC_TRNMOD_DATA_XFER_DIR_SEL_READ;
 
-       writew(mode, &host->reg->trnmod);
+       writew(mode, &priv->reg->trnmod);
 }
 
-static int mmc_wait_inhibit(struct mmc_host *host,
-                           struct mmc_cmd *cmd,
-                           struct mmc_data *data,
-                           unsigned int timeout)
+static int tegra_mmc_wait_inhibit(struct tegra_mmc_priv *priv,
+                                 struct mmc_cmd *cmd,
+                                 struct mmc_data *data,
+                                 unsigned int timeout)
 {
        /*
         * PRNSTS
@@ -143,7 +165,7 @@ static int mmc_wait_inhibit(struct mmc_host *host,
        if ((data == NULL) && (cmd->resp_type & MMC_RSP_BUSY))
                mask |= TEGRA_MMC_PRNSTS_CMD_INHIBIT_DAT;
 
-       while (readl(&host->reg->prnsts) & mask) {
+       while (readl(&priv->reg->prnsts) & mask) {
                if (timeout == 0) {
                        printf("%s: timeout error\n", __func__);
                        return -1;
@@ -155,29 +177,30 @@ static int mmc_wait_inhibit(struct mmc_host *host,
        return 0;
 }
 
-static int mmc_send_cmd_bounced(struct mmc *mmc, struct mmc_cmd *cmd,
-                       struct mmc_data *data, struct bounce_buffer *bbstate)
+static int tegra_mmc_send_cmd_bounced(struct mmc *mmc, struct mmc_cmd *cmd,
+                                     struct mmc_data *data,
+                                     struct bounce_buffer *bbstate)
 {
-       struct mmc_host *host = mmc->priv;
+       struct tegra_mmc_priv *priv = mmc->priv;
        int flags, i;
        int result;
        unsigned int mask = 0;
        unsigned int retry = 0x100000;
        debug(" mmc_send_cmd called\n");
 
-       result = mmc_wait_inhibit(host, cmd, data, 10 /* ms */);
+       result = tegra_mmc_wait_inhibit(priv, cmd, data, 10 /* ms */);
 
        if (result < 0)
                return result;
 
        if (data)
-               mmc_prepare_data(host, data, bbstate);
+               tegra_mmc_prepare_data(priv, data, bbstate);
 
        debug("cmd->arg: %08x\n", cmd->cmdarg);
-       writel(cmd->cmdarg, &host->reg->argument);
+       writel(cmd->cmdarg, &priv->reg->argument);
 
        if (data)
-               mmc_set_transfer_mode(host, data);
+               tegra_mmc_set_transfer_mode(priv, data);
 
        if ((cmd->resp_type & MMC_RSP_136) && (cmd->resp_type & MMC_RSP_BUSY))
                return -1;
@@ -212,33 +235,33 @@ static int mmc_send_cmd_bounced(struct mmc *mmc, struct mmc_cmd *cmd,
 
        debug("cmd: %d\n", cmd->cmdidx);
 
-       writew((cmd->cmdidx << 8) | flags, &host->reg->cmdreg);
+       writew((cmd->cmdidx << 8) | flags, &priv->reg->cmdreg);
 
        for (i = 0; i < retry; i++) {
-               mask = readl(&host->reg->norintsts);
+               mask = readl(&priv->reg->norintsts);
                /* Command Complete */
                if (mask & TEGRA_MMC_NORINTSTS_CMD_COMPLETE) {
                        if (!data)
-                               writel(mask, &host->reg->norintsts);
+                               writel(mask, &priv->reg->norintsts);
                        break;
                }
        }
 
        if (i == retry) {
                printf("%s: waiting for status update\n", __func__);
-               writel(mask, &host->reg->norintsts);
+               writel(mask, &priv->reg->norintsts);
                return -ETIMEDOUT;
        }
 
        if (mask & TEGRA_MMC_NORINTSTS_CMD_TIMEOUT) {
                /* Timeout Error */
                debug("timeout: %08x cmd %d\n", mask, cmd->cmdidx);
-               writel(mask, &host->reg->norintsts);
+               writel(mask, &priv->reg->norintsts);
                return -ETIMEDOUT;
        } else if (mask & TEGRA_MMC_NORINTSTS_ERR_INTERRUPT) {
                /* Error Interrupt */
                debug("error: %08x cmd %d\n", mask, cmd->cmdidx);
-               writel(mask, &host->reg->norintsts);
+               writel(mask, &priv->reg->norintsts);
                return -1;
        }
 
@@ -246,8 +269,8 @@ static int mmc_send_cmd_bounced(struct mmc *mmc, struct mmc_cmd *cmd,
                if (cmd->resp_type & MMC_RSP_136) {
                        /* CRC is stripped so we need to do some shifting. */
                        for (i = 0; i < 4; i++) {
-                               unsigned long offset =
-                                       (unsigned long)(&host->reg->rspreg3 - i);
+                               unsigned long offset = (unsigned long)
+                                       (&priv->reg->rspreg3 - i);
                                cmd->response[i] = readl(offset) << 8;
 
                                if (i != 3) {
@@ -260,21 +283,21 @@ static int mmc_send_cmd_bounced(struct mmc *mmc, struct mmc_cmd *cmd,
                } else if (cmd->resp_type & MMC_RSP_BUSY) {
                        for (i = 0; i < retry; i++) {
                                /* PRNTDATA[23:20] : DAT[3:0] Line Signal */
-                               if (readl(&host->reg->prnsts)
+                               if (readl(&priv->reg->prnsts)
                                        & (1 << 20))    /* DAT[0] */
                                        break;
                        }
 
                        if (i == retry) {
                                printf("%s: card is still busy\n", __func__);
-                               writel(mask, &host->reg->norintsts);
+                               writel(mask, &priv->reg->norintsts);
                                return -ETIMEDOUT;
                        }
 
-                       cmd->response[0] = readl(&host->reg->rspreg0);
+                       cmd->response[0] = readl(&priv->reg->rspreg0);
                        debug("cmd->resp[0]: %08x\n", cmd->response[0]);
                } else {
-                       cmd->response[0] = readl(&host->reg->rspreg0);
+                       cmd->response[0] = readl(&priv->reg->rspreg0);
                        debug("cmd->resp[0]: %08x\n", cmd->response[0]);
                }
        }
@@ -283,11 +306,11 @@ static int mmc_send_cmd_bounced(struct mmc *mmc, struct mmc_cmd *cmd,
                unsigned long   start = get_timer(0);
 
                while (1) {
-                       mask = readl(&host->reg->norintsts);
+                       mask = readl(&priv->reg->norintsts);
 
                        if (mask & TEGRA_MMC_NORINTSTS_ERR_INTERRUPT) {
                                /* Error Interrupt */
-                               writel(mask, &host->reg->norintsts);
+                               writel(mask, &priv->reg->norintsts);
                                printf("%s: error during transfer: 0x%08x\n",
                                                __func__, mask);
                                return -1;
@@ -296,31 +319,31 @@ static int mmc_send_cmd_bounced(struct mmc *mmc, struct mmc_cmd *cmd,
                                 * DMA Interrupt, restart the transfer where
                                 * it was interrupted.
                                 */
-                               unsigned int address = readl(&host->reg->sysad);
+                               unsigned int address = readl(&priv->reg->sysad);
 
                                debug("DMA end\n");
                                writel(TEGRA_MMC_NORINTSTS_DMA_INTERRUPT,
-                                      &host->reg->norintsts);
-                               writel(address, &host->reg->sysad);
+                                      &priv->reg->norintsts);
+                               writel(address, &priv->reg->sysad);
                        } else if (mask & TEGRA_MMC_NORINTSTS_XFER_COMPLETE) {
                                /* Transfer Complete */
                                debug("r/w is done\n");
                                break;
                        } else if (get_timer(start) > 8000UL) {
-                               writel(mask, &host->reg->norintsts);
+                               writel(mask, &priv->reg->norintsts);
                                printf("%s: MMC Timeout\n"
                                       "    Interrupt status        0x%08x\n"
                                       "    Interrupt status enable 0x%08x\n"
                                       "    Interrupt signal enable 0x%08x\n"
                                       "    Present status          0x%08x\n",
                                       __func__, mask,
-                                      readl(&host->reg->norintstsen),
-                                      readl(&host->reg->norintsigen),
-                                      readl(&host->reg->prnsts));
+                                      readl(&priv->reg->norintstsen),
+                                      readl(&priv->reg->norintsigen),
+                                      readl(&priv->reg->prnsts));
                                return -1;
                        }
                }
-               writel(mask, &host->reg->norintsts);
+               writel(mask, &priv->reg->norintsts);
        }
 
        udelay(1000);
@@ -328,7 +351,7 @@ static int mmc_send_cmd_bounced(struct mmc *mmc, struct mmc_cmd *cmd,
 }
 
 static int tegra_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
-                       struct mmc_data *data)
+                             struct mmc_data *data)
 {
        void *buf;
        unsigned int bbflags;
@@ -349,7 +372,7 @@ static int tegra_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
                bounce_buffer_start(&bbstate, buf, len, bbflags);
        }
 
-       ret = mmc_send_cmd_bounced(mmc, cmd, data, &bbstate);
+       ret = tegra_mmc_send_cmd_bounced(mmc, cmd, data, &bbstate);
 
        if (data)
                bounce_buffer_stop(&bbstate);
@@ -357,7 +380,7 @@ static int tegra_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
        return ret;
 }
 
-static void mmc_change_clock(struct mmc_host *host, uint clock)
+static void tegra_mmc_change_clock(struct tegra_mmc_priv *priv, uint clock)
 {
        int div;
        unsigned short clk;
@@ -372,16 +395,16 @@ static void mmc_change_clock(struct mmc_host *host, uint clock)
                goto out;
 #ifdef CONFIG_TEGRA186
        {
-               ulong rate = clk_set_rate(&host->clk, clock);
+               ulong rate = clk_set_rate(&priv->clk, clock);
                div = (rate + clock - 1) / clock;
        }
 #else
-       clock_adjust_periph_pll_div(host->mmc_id, CLOCK_ID_PERIPH, clock,
+       clock_adjust_periph_pll_div(priv->mmc_id, CLOCK_ID_PERIPH, clock,
                                    &div);
 #endif
        debug("div = %d\n", div);
 
-       writew(0, &host->reg->clkcon);
+       writew(0, &priv->reg->clkcon);
 
        /*
         * CLKCON
@@ -393,11 +416,11 @@ static void mmc_change_clock(struct mmc_host *host, uint clock)
        div >>= 1;
        clk = ((div << TEGRA_MMC_CLKCON_SDCLK_FREQ_SEL_SHIFT) |
               TEGRA_MMC_CLKCON_INTERNAL_CLOCK_ENABLE);
-       writew(clk, &host->reg->clkcon);
+       writew(clk, &priv->reg->clkcon);
 
        /* Wait max 10 ms */
        timeout = 10;
-       while (!(readw(&host->reg->clkcon) &
+       while (!(readw(&priv->reg->clkcon) &
                 TEGRA_MMC_CLKCON_INTERNAL_CLOCK_STABLE)) {
                if (timeout == 0) {
                        printf("%s: timeout error\n", __func__);
@@ -408,26 +431,26 @@ static void mmc_change_clock(struct mmc_host *host, uint clock)
        }
 
        clk |= TEGRA_MMC_CLKCON_SD_CLOCK_ENABLE;
-       writew(clk, &host->reg->clkcon);
+       writew(clk, &priv->reg->clkcon);
 
        debug("mmc_change_clock: clkcon = %08X\n", clk);
 
 out:
-       host->clock = clock;
+       priv->clock = clock;
 }
 
 static void tegra_mmc_set_ios(struct mmc *mmc)
 {
-       struct mmc_host *host = mmc->priv;
+       struct tegra_mmc_priv *priv = mmc->priv;
        unsigned char ctrl;
        debug(" mmc_set_ios called\n");
 
        debug("bus_width: %x, clock: %d\n", mmc->bus_width, mmc->clock);
 
        /* Change clock first */
-       mmc_change_clock(host, mmc->clock);
+       tegra_mmc_change_clock(priv, mmc->clock);
 
-       ctrl = readb(&host->reg->hostctl);
+       ctrl = readb(&priv->reg->hostctl);
 
        /*
         * WIDE8[5]
@@ -444,38 +467,38 @@ static void tegra_mmc_set_ios(struct mmc *mmc)
        else
                ctrl &= ~(1 << 1);
 
-       writeb(ctrl, &host->reg->hostctl);
+       writeb(ctrl, &priv->reg->hostctl);
        debug("mmc_set_ios: hostctl = %08X\n", ctrl);
 }
 
-static void pad_init_mmc(struct mmc_host *host)
+static void tegra_mmc_pad_init(struct tegra_mmc_priv *priv)
 {
 #if defined(CONFIG_TEGRA30)
        u32 val;
 
-       debug("%s: sdmmc address = %08x\n", __func__, (unsigned int)host->reg);
+       debug("%s: sdmmc address = %08x\n", __func__, (unsigned int)priv->reg);
 
        /* Set the pad drive strength for SDMMC1 or 3 only */
-       if (host->reg != (void *)0x78000000 &&
-           host->reg != (void *)0x78000400) {
+       if (priv->reg != (void *)0x78000000 &&
+           priv->reg != (void *)0x78000400) {
                debug("%s: settings are only valid for SDMMC1/SDMMC3!\n",
                      __func__);
                return;
        }
 
-       val = readl(&host->reg->sdmemcmppadctl);
+       val = readl(&priv->reg->sdmemcmppadctl);
        val &= 0xFFFFFFF0;
        val |= MEMCOMP_PADCTRL_VREF;
-       writel(val, &host->reg->sdmemcmppadctl);
+       writel(val, &priv->reg->sdmemcmppadctl);
 
-       val = readl(&host->reg->autocalcfg);
+       val = readl(&priv->reg->autocalcfg);
        val &= 0xFFFF0000;
        val |= AUTO_CAL_PU_OFFSET | AUTO_CAL_PD_OFFSET | AUTO_CAL_ENABLED;
-       writel(val, &host->reg->autocalcfg);
+       writel(val, &priv->reg->autocalcfg);
 #endif
 }
 
-static void mmc_reset(struct mmc_host *host, struct mmc *mmc)
+static void tegra_mmc_reset(struct tegra_mmc_priv *priv, struct mmc *mmc)
 {
        unsigned int timeout;
        debug(" mmc_reset called\n");
@@ -485,15 +508,15 @@ static void mmc_reset(struct mmc_host *host, struct mmc *mmc)
         * 1 = reset
         * 0 = work
         */
-       writeb(TEGRA_MMC_SWRST_SW_RESET_FOR_ALL, &host->reg->swrst);
+       writeb(TEGRA_MMC_SWRST_SW_RESET_FOR_ALL, &priv->reg->swrst);
 
-       host->clock = 0;
+       priv->clock = 0;
 
        /* Wait max 100 ms */
        timeout = 100;
 
        /* hw clears the bit when it's done */
-       while (readb(&host->reg->swrst) & TEGRA_MMC_SWRST_SW_RESET_FOR_ALL) {
+       while (readb(&priv->reg->swrst) & TEGRA_MMC_SWRST_SW_RESET_FOR_ALL) {
                if (timeout == 0) {
                        printf("%s: timeout error\n", __func__);
                        return;
@@ -503,30 +526,30 @@ static void mmc_reset(struct mmc_host *host, struct mmc *mmc)
        }
 
        /* Set SD bus voltage & enable bus power */
-       mmc_set_power(host, fls(mmc->cfg->voltages) - 1);
+       tegra_mmc_set_power(priv, fls(mmc->cfg->voltages) - 1);
        debug("%s: power control = %02X, host control = %02X\n", __func__,
-               readb(&host->reg->pwrcon), readb(&host->reg->hostctl));
+               readb(&priv->reg->pwrcon), readb(&priv->reg->hostctl));
 
        /* Make sure SDIO pads are set up */
-       pad_init_mmc(host);
+       tegra_mmc_pad_init(priv);
 }
 
 static int tegra_mmc_core_init(struct mmc *mmc)
 {
-       struct mmc_host *host = mmc->priv;
+       struct tegra_mmc_priv *priv = mmc->priv;
        unsigned int mask;
        debug(" mmc_core_init called\n");
 
-       mmc_reset(host, mmc);
+       tegra_mmc_reset(priv, mmc);
 
-       host->version = readw(&host->reg->hcver);
-       debug("host version = %x\n", host->version);
+       priv->version = readw(&priv->reg->hcver);
+       debug("host version = %x\n", priv->version);
 
        /* mask all */
-       writel(0xffffffff, &host->reg->norintstsen);
-       writel(0xffffffff, &host->reg->norintsigen);
+       writel(0xffffffff, &priv->reg->norintstsen);
+       writel(0xffffffff, &priv->reg->norintsigen);
 
-       writeb(0xe, &host->reg->timeoutcon);    /* TMCLK * 2^27 */
+       writeb(0xe, &priv->reg->timeoutcon);    /* TMCLK * 2^27 */
        /*
         * NORMAL Interrupt Status Enable Register init
         * [5] ENSTABUFRDRDY : Buffer Read Ready Status Enable
@@ -535,35 +558,35 @@ static int tegra_mmc_core_init(struct mmc *mmc)
         * [1] ENSTASTANSCMPLT : Transfre Complete Status Enable
         * [0] ENSTACMDCMPLT : Command Complete Status Enable
        */
-       mask = readl(&host->reg->norintstsen);
+       mask = readl(&priv->reg->norintstsen);
        mask &= ~(0xffff);
        mask |= (TEGRA_MMC_NORINTSTSEN_CMD_COMPLETE |
                 TEGRA_MMC_NORINTSTSEN_XFER_COMPLETE |
                 TEGRA_MMC_NORINTSTSEN_DMA_INTERRUPT |
                 TEGRA_MMC_NORINTSTSEN_BUFFER_WRITE_READY |
                 TEGRA_MMC_NORINTSTSEN_BUFFER_READ_READY);
-       writel(mask, &host->reg->norintstsen);
+       writel(mask, &priv->reg->norintstsen);
 
        /*
         * NORMAL Interrupt Signal Enable Register init
         * [1] ENSTACMDCMPLT : Transfer Complete Signal Enable
         */
-       mask = readl(&host->reg->norintsigen);
+       mask = readl(&priv->reg->norintsigen);
        mask &= ~(0xffff);
        mask |= TEGRA_MMC_NORINTSIGEN_XFER_COMPLETE;
-       writel(mask, &host->reg->norintsigen);
+       writel(mask, &priv->reg->norintsigen);
 
        return 0;
 }
 
 static int tegra_mmc_getcd(struct mmc *mmc)
 {
-       struct mmc_host *host = mmc->priv;
+       struct tegra_mmc_priv *priv = mmc->priv;
 
        debug("tegra_mmc_getcd called\n");
 
-       if (dm_gpio_is_valid(&host->cd_gpio))
-               return dm_gpio_get_value(&host->cd_gpio);
+       if (dm_gpio_is_valid(&priv->cd_gpio))
+               return dm_gpio_get_value(&priv->cd_gpio);
 
        return 1;
 }
@@ -577,55 +600,55 @@ static const struct mmc_ops tegra_mmc_ops = {
 
 static int do_mmc_init(int dev_index, bool removable)
 {
-       struct mmc_host *host;
+       struct tegra_mmc_priv *priv;
        struct mmc *mmc;
 #ifdef CONFIG_TEGRA186
        int ret;
 #endif
 
        /* DT should have been read & host config filled in */
-       host = &mmc_host[dev_index];
-       if (!host->enabled)
+       priv = &mmc_host[dev_index];
+       if (!priv->enabled)
                return -1;
 
        debug(" do_mmc_init: index %d, bus width %d pwr_gpio %d cd_gpio %d\n",
-             dev_index, host->width, gpio_get_number(&host->pwr_gpio),
-             gpio_get_number(&host->cd_gpio));
+             dev_index, priv->width, gpio_get_number(&priv->pwr_gpio),
+             gpio_get_number(&priv->cd_gpio));
 
-       host->clock = 0;
+       priv->clock = 0;
 
 #ifdef CONFIG_TEGRA186
-       ret = reset_assert(&host->reset_ctl);
+       ret = reset_assert(&priv->reset_ctl);
        if (ret)
                return ret;
-       ret = clk_enable(&host->clk);
+       ret = clk_enable(&priv->clk);
        if (ret)
                return ret;
-       ret = clk_set_rate(&host->clk, 20000000);
+       ret = clk_set_rate(&priv->clk, 20000000);
        if (IS_ERR_VALUE(ret))
                return ret;
-       ret = reset_deassert(&host->reset_ctl);
+       ret = reset_deassert(&priv->reset_ctl);
        if (ret)
                return ret;
 #else
-       clock_start_periph_pll(host->mmc_id, CLOCK_ID_PERIPH, 20000000);
+       clock_start_periph_pll(priv->mmc_id, CLOCK_ID_PERIPH, 20000000);
 #endif
 
-       if (dm_gpio_is_valid(&host->pwr_gpio))
-               dm_gpio_set_value(&host->pwr_gpio, 1);
+       if (dm_gpio_is_valid(&priv->pwr_gpio))
+               dm_gpio_set_value(&priv->pwr_gpio, 1);
 
-       memset(&host->cfg, 0, sizeof(host->cfg));
+       memset(&priv->cfg, 0, sizeof(priv->cfg));
 
-       host->cfg.name = "Tegra SD/MMC";
-       host->cfg.ops = &tegra_mmc_ops;
+       priv->cfg.name = "Tegra SD/MMC";
+       priv->cfg.ops = &tegra_mmc_ops;
 
-       host->cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
-       host->cfg.host_caps = 0;
-       if (host->width == 8)
-               host->cfg.host_caps |= MMC_MODE_8BIT;
-       if (host->width >= 4)
-               host->cfg.host_caps |= MMC_MODE_4BIT;
-       host->cfg.host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
+       priv->cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
+       priv->cfg.host_caps = 0;
+       if (priv->width == 8)
+               priv->cfg.host_caps |= MMC_MODE_8BIT;
+       if (priv->width >= 4)
+               priv->cfg.host_caps |= MMC_MODE_4BIT;
+       priv->cfg.host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
 
        /*
         * min freq is for card identification, and is the highest
@@ -633,12 +656,12 @@ static int do_mmc_init(int dev_index, bool removable)
         * max freq is highest HS eMMC clock as per the SD/MMC spec
         *  (actually 52MHz)
         */
-       host->cfg.f_min = 375000;
-       host->cfg.f_max = 48000000;
+       priv->cfg.f_min = 375000;
+       priv->cfg.f_max = 48000000;
 
-       host->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
+       priv->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
 
-       mmc = mmc_create(&host->cfg, host);
+       mmc = mmc_create(&priv->cfg, priv);
        mmc->block_dev.removable = removable;
        if (mmc == NULL)
                return -1;
@@ -651,17 +674,17 @@ static int do_mmc_init(int dev_index, bool removable)
  *
  * @param blob         fdt blob
  * @param node         Device index (0-3)
- * @param host         Structure to fill in (reg, width, mmc_id)
+ * @param priv         Structure to fill in (reg, width, mmc_id)
  */
-static int mmc_get_config(const void *blob, int node, struct mmc_host *host,
-                         bool *removablep)
+static int mmc_get_config(const void *blob, int node,
+                         struct tegra_mmc_priv *priv, bool *removablep)
 {
        debug("%s: node = %d\n", __func__, node);
 
-       host->enabled = fdtdec_get_is_enabled(blob, node);
+       priv->enabled = fdtdec_get_is_enabled(blob, node);
 
-       host->reg = (struct tegra_mmc *)fdtdec_get_addr(blob, node, "reg");
-       if ((fdt_addr_t)host->reg == FDT_ADDR_T_NONE) {
+       priv->reg = (struct tegra_mmc *)fdtdec_get_addr(blob, node, "reg");
+       if ((fdt_addr_t)priv->reg == FDT_ADDR_T_NONE) {
                debug("%s: no sdmmc base reg info found\n", __func__);
                return -FDT_ERR_NOTFOUND;
        }
@@ -675,20 +698,20 @@ static int mmc_get_config(const void *blob, int node, struct mmc_host *host,
                struct udevice dev;
                int ret;
                dev.of_offset = node;
-               ret = reset_get_by_name(&dev, "sdhci", &host->reset_ctl);
+               ret = reset_get_by_name(&dev, "sdhci", &priv->reset_ctl);
                if (ret) {
                        debug("reset_get_by_name() failed: %d\n", ret);
                        return ret;
                }
-               ret = clk_get_by_index(&dev, 0, &host->clk);
+               ret = clk_get_by_index(&dev, 0, &priv->clk);
                if (ret) {
                        debug("clk_get_by_index() failed: %d\n", ret);
                        return ret;
                }
        }
 #else
-       host->mmc_id = clock_decode_periph_id(blob, node);
-       if (host->mmc_id == PERIPH_ID_NONE) {
+       priv->mmc_id = clock_decode_periph_id(blob, node);
+       if (priv->mmc_id == PERIPH_ID_NONE) {
                debug("%s: could not decode periph id\n", __func__);
                return -FDT_ERR_NOTFOUND;
        }
@@ -698,23 +721,23 @@ static int mmc_get_config(const void *blob, int node, struct mmc_host *host,
         * NOTE: mmc->bus_width is determined by mmc.c dynamically.
         * TBD: Override it with this value?
         */
-       host->width = fdtdec_get_int(blob, node, "bus-width", 0);
-       if (!host->width)
+       priv->width = fdtdec_get_int(blob, node, "bus-width", 0);
+       if (!priv->width)
                debug("%s: no sdmmc width found\n", __func__);
 
        /* These GPIOs are optional */
-       gpio_request_by_name_nodev(blob, node, "cd-gpios", 0, &host->cd_gpio,
+       gpio_request_by_name_nodev(blob, node, "cd-gpios", 0, &priv->cd_gpio,
                                   GPIOD_IS_IN);
-       gpio_request_by_name_nodev(blob, node, "wp-gpios", 0, &host->wp_gpio,
+       gpio_request_by_name_nodev(blob, node, "wp-gpios", 0, &priv->wp_gpio,
                                   GPIOD_IS_IN);
        gpio_request_by_name_nodev(blob, node, "power-gpios", 0,
-                                  &host->pwr_gpio, GPIOD_IS_OUT);
+                                  &priv->pwr_gpio, GPIOD_IS_OUT);
        *removablep = !fdtdec_get_bool(blob, node, "non-removable");
 
        debug("%s: found controller at %p, width = %d, periph_id = %d\n",
-               __func__, host->reg, host->width,
+               __func__, priv->reg, priv->width,
 #ifndef CONFIG_TEGRA186
-               host->mmc_id
+               priv->mmc_id
 #else
                -1
 #endif
@@ -732,7 +755,7 @@ static int mmc_get_config(const void *blob, int node, struct mmc_host *host,
  */
 static int process_nodes(const void *blob, int node_list[], int count)
 {
-       struct mmc_host *host;
+       struct tegra_mmc_priv *priv;
        bool removable;
        int i, node;
 
@@ -744,10 +767,10 @@ static int process_nodes(const void *blob, int node_list[], int count)
                if (node <= 0)
                        continue;
 
-               host = &mmc_host[i];
-               host->id = i;
+               priv = &mmc_host[i];
+               priv->id = i;
 
-               if (mmc_get_config(blob, node, host, &removable)) {
+               if (mmc_get_config(blob, node, priv, &removable)) {
                        printf("%s: failed to decode dev %d\n", __func__, i);
                        return -1;
                }