static int dsi_display_init_dispc(struct dsi_data *dsi);
 static void dsi_display_uninit_dispc(struct dsi_data *dsi);
 
-static int dsi_vc_send_null(struct dsi_data *dsi, int channel);
+static int dsi_vc_send_null(struct dsi_data *dsi, int vc);
 
 static ssize_t _omap_dsi_host_transfer(struct dsi_data *dsi,
                                       const struct mipi_dsi_msg *msg);
        /* space for a copy used by the interrupt handler */
        struct dsi_isr_tables isr_tables_copy;
 
-       int update_channel;
+       int update_vc;
 #ifdef DSI_PERF_MEASURE
        unsigned int update_bytes;
 #endif
 #undef PIS
 }
 
-static void print_irq_status_vc(int channel, u32 status)
+static void print_irq_status_vc(int vc, u32 status)
 {
        if (status == 0)
                return;
 #define PIS(x) (status & DSI_VC_IRQ_##x) ? (#x " ") : ""
 
        pr_debug("DSI VC(%d) IRQ 0x%x: %s%s%s%s%s%s%s%s%s\n",
-               channel,
+               vc,
                status,
                PIS(CS),
                PIS(ECC_CORR),
        return r;
 }
 
-static int dsi_register_isr_vc(struct dsi_data *dsi, int channel,
+static int dsi_register_isr_vc(struct dsi_data *dsi, int vc,
                               omap_dsi_isr_t isr, void *arg, u32 mask)
 {
        unsigned long flags;
        spin_lock_irqsave(&dsi->irq_lock, flags);
 
        r = _dsi_register_isr(isr, arg, mask,
-                       dsi->isr_tables.isr_table_vc[channel],
-                       ARRAY_SIZE(dsi->isr_tables.isr_table_vc[channel]));
+                       dsi->isr_tables.isr_table_vc[vc],
+                       ARRAY_SIZE(dsi->isr_tables.isr_table_vc[vc]));
 
        if (r == 0)
-               _omap_dsi_set_irqs_vc(dsi, channel);
+               _omap_dsi_set_irqs_vc(dsi, vc);
 
        spin_unlock_irqrestore(&dsi->irq_lock, flags);
 
        return r;
 }
 
-static int dsi_unregister_isr_vc(struct dsi_data *dsi, int channel,
+static int dsi_unregister_isr_vc(struct dsi_data *dsi, int vc,
                                 omap_dsi_isr_t isr, void *arg, u32 mask)
 {
        unsigned long flags;
        spin_lock_irqsave(&dsi->irq_lock, flags);
 
        r = _dsi_unregister_isr(isr, arg, mask,
-                       dsi->isr_tables.isr_table_vc[channel],
-                       ARRAY_SIZE(dsi->isr_tables.isr_table_vc[channel]));
+                       dsi->isr_tables.isr_table_vc[vc],
+                       ARRAY_SIZE(dsi->isr_tables.isr_table_vc[vc]));
 
        if (r == 0)
-               _omap_dsi_set_irqs_vc(dsi, channel);
+               _omap_dsi_set_irqs_vc(dsi, vc);
 
        spin_unlock_irqrestore(&dsi->irq_lock, flags);
 
        return 0;
 }
 
-static bool dsi_vc_is_enabled(struct dsi_data *dsi, int channel)
+static bool dsi_vc_is_enabled(struct dsi_data *dsi, int vc)
 {
-       return REG_GET(dsi, DSI_VC_CTRL(channel), 0, 0);
+       return REG_GET(dsi, DSI_VC_CTRL(vc), 0, 0);
 }
 
 static void dsi_packet_sent_handler_vp(void *data, u32 mask)
        struct dsi_packet_sent_handler_data *vp_data =
                (struct dsi_packet_sent_handler_data *) data;
        struct dsi_data *dsi = vp_data->dsi;
-       const int channel = dsi->update_channel;
+       const int vc = dsi->update_vc;
        u8 bit = dsi->te_enabled ? 30 : 31;
 
-       if (REG_GET(dsi, DSI_VC_TE(channel), bit, bit) == 0)
+       if (REG_GET(dsi, DSI_VC_TE(vc), bit, bit) == 0)
                complete(vp_data->completion);
 }
 
-static int dsi_sync_vc_vp(struct dsi_data *dsi, int channel)
+static int dsi_sync_vc_vp(struct dsi_data *dsi, int vc)
 {
        DECLARE_COMPLETION_ONSTACK(completion);
        struct dsi_packet_sent_handler_data vp_data = {
 
        bit = dsi->te_enabled ? 30 : 31;
 
-       r = dsi_register_isr_vc(dsi, channel, dsi_packet_sent_handler_vp,
+       r = dsi_register_isr_vc(dsi, vc, dsi_packet_sent_handler_vp,
                &vp_data, DSI_VC_IRQ_PACKET_SENT);
        if (r)
                goto err0;
 
        /* Wait for completion only if TE_EN/TE_START is still set */
-       if (REG_GET(dsi, DSI_VC_TE(channel), bit, bit)) {
+       if (REG_GET(dsi, DSI_VC_TE(vc), bit, bit)) {
                if (wait_for_completion_timeout(&completion,
                                msecs_to_jiffies(10)) == 0) {
                        DSSERR("Failed to complete previous frame transfer\n");
                }
        }
 
-       dsi_unregister_isr_vc(dsi, channel, dsi_packet_sent_handler_vp,
+       dsi_unregister_isr_vc(dsi, vc, dsi_packet_sent_handler_vp,
                &vp_data, DSI_VC_IRQ_PACKET_SENT);
 
        return 0;
 err1:
-       dsi_unregister_isr_vc(dsi, channel, dsi_packet_sent_handler_vp,
+       dsi_unregister_isr_vc(dsi, vc, dsi_packet_sent_handler_vp,
                &vp_data, DSI_VC_IRQ_PACKET_SENT);
 err0:
        return r;
        struct dsi_packet_sent_handler_data *l4_data =
                (struct dsi_packet_sent_handler_data *) data;
        struct dsi_data *dsi = l4_data->dsi;
-       const int channel = dsi->update_channel;
+       const int vc = dsi->update_vc;
 
-       if (REG_GET(dsi, DSI_VC_CTRL(channel), 5, 5) == 0)
+       if (REG_GET(dsi, DSI_VC_CTRL(vc), 5, 5) == 0)
                complete(l4_data->completion);
 }
 
-static int dsi_sync_vc_l4(struct dsi_data *dsi, int channel)
+static int dsi_sync_vc_l4(struct dsi_data *dsi, int vc)
 {
        DECLARE_COMPLETION_ONSTACK(completion);
        struct dsi_packet_sent_handler_data l4_data = {
        };
        int r = 0;
 
-       r = dsi_register_isr_vc(dsi, channel, dsi_packet_sent_handler_l4,
+       r = dsi_register_isr_vc(dsi, vc, dsi_packet_sent_handler_l4,
                &l4_data, DSI_VC_IRQ_PACKET_SENT);
        if (r)
                goto err0;
 
        /* Wait for completion only if TX_FIFO_NOT_EMPTY is still set */
-       if (REG_GET(dsi, DSI_VC_CTRL(channel), 5, 5)) {
+       if (REG_GET(dsi, DSI_VC_CTRL(vc), 5, 5)) {
                if (wait_for_completion_timeout(&completion,
                                msecs_to_jiffies(10)) == 0) {
                        DSSERR("Failed to complete previous l4 transfer\n");
                }
        }
 
-       dsi_unregister_isr_vc(dsi, channel, dsi_packet_sent_handler_l4,
+       dsi_unregister_isr_vc(dsi, vc, dsi_packet_sent_handler_l4,
                &l4_data, DSI_VC_IRQ_PACKET_SENT);
 
        return 0;
 err1:
-       dsi_unregister_isr_vc(dsi, channel, dsi_packet_sent_handler_l4,
+       dsi_unregister_isr_vc(dsi, vc, dsi_packet_sent_handler_l4,
                &l4_data, DSI_VC_IRQ_PACKET_SENT);
 err0:
        return r;
 }
 
-static int dsi_sync_vc(struct dsi_data *dsi, int channel)
+static int dsi_sync_vc(struct dsi_data *dsi, int vc)
 {
        WARN_ON(!dsi_bus_is_locked(dsi));
 
        WARN_ON(in_interrupt());
 
-       if (!dsi_vc_is_enabled(dsi, channel))
+       if (!dsi_vc_is_enabled(dsi, vc))
                return 0;
 
-       switch (dsi->vc[channel].source) {
+       switch (dsi->vc[vc].source) {
        case DSI_VC_SOURCE_VP:
-               return dsi_sync_vc_vp(dsi, channel);
+               return dsi_sync_vc_vp(dsi, vc);
        case DSI_VC_SOURCE_L4:
-               return dsi_sync_vc_l4(dsi, channel);
+               return dsi_sync_vc_l4(dsi, vc);
        default:
                BUG();
                return -EINVAL;
        }
 }
 
-static int dsi_vc_enable(struct dsi_data *dsi, int channel, bool enable)
+static int dsi_vc_enable(struct dsi_data *dsi, int vc, bool enable)
 {
-       DSSDBG("dsi_vc_enable channel %d, enable %d\n",
-                       channel, enable);
+       DSSDBG("dsi_vc_enable vc %d, enable %d\n",
+                       vc, enable);
 
        enable = enable ? 1 : 0;
 
-       REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), enable, 0, 0);
+       REG_FLD_MOD(dsi, DSI_VC_CTRL(vc), enable, 0, 0);
 
-       if (!wait_for_bit_change(dsi, DSI_VC_CTRL(channel), 0, enable)) {
+       if (!wait_for_bit_change(dsi, DSI_VC_CTRL(vc), 0, enable)) {
                DSSERR("Failed to set dsi_vc_enable to %d\n", enable);
                return -EIO;
        }
        return 0;
 }
 
-static void dsi_vc_initial_config(struct dsi_data *dsi, int channel)
+static void dsi_vc_initial_config(struct dsi_data *dsi, int vc)
 {
        u32 r;
 
-       DSSDBG("Initial config of virtual channel %d", channel);
+       DSSDBG("Initial config of VC %d", vc);
 
-       r = dsi_read_reg(dsi, DSI_VC_CTRL(channel));
+       r = dsi_read_reg(dsi, DSI_VC_CTRL(vc));
 
        if (FLD_GET(r, 15, 15)) /* VC_BUSY */
                DSSERR("VC(%d) busy when trying to configure it!\n",
-                               channel);
+                               vc);
 
        r = FLD_MOD(r, 0, 1, 1); /* SOURCE, 0 = L4 */
        r = FLD_MOD(r, 0, 2, 2); /* BTA_SHORT_EN  */
        r = FLD_MOD(r, 4, 29, 27); /* DMA_RX_REQ_NB = no dma */
        r = FLD_MOD(r, 4, 23, 21); /* DMA_TX_REQ_NB = no dma */
 
-       dsi_write_reg(dsi, DSI_VC_CTRL(channel), r);
+       dsi_write_reg(dsi, DSI_VC_CTRL(vc), r);
 
-       dsi->vc[channel].source = DSI_VC_SOURCE_L4;
+       dsi->vc[vc].source = DSI_VC_SOURCE_L4;
 }
 
-static int dsi_vc_config_source(struct dsi_data *dsi, int channel,
+static int dsi_vc_config_source(struct dsi_data *dsi, int vc,
                                enum dsi_vc_source source)
 {
-       if (dsi->vc[channel].source == source)
+       if (dsi->vc[vc].source == source)
                return 0;
 
-       DSSDBG("Source config of virtual channel %d", channel);
+       DSSDBG("Source config of VC %d", vc);
 
-       dsi_sync_vc(dsi, channel);
+       dsi_sync_vc(dsi, vc);
 
-       dsi_vc_enable(dsi, channel, 0);
+       dsi_vc_enable(dsi, vc, 0);
 
        /* VC_BUSY */
-       if (!wait_for_bit_change(dsi, DSI_VC_CTRL(channel), 15, 0)) {
-               DSSERR("vc(%d) busy when trying to config for VP\n", channel);
+       if (!wait_for_bit_change(dsi, DSI_VC_CTRL(vc), 15, 0)) {
+               DSSERR("vc(%d) busy when trying to config for VP\n", vc);
                return -EIO;
        }
 
        /* SOURCE, 0 = L4, 1 = video port */
-       REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), source, 1, 1);
+       REG_FLD_MOD(dsi, DSI_VC_CTRL(vc), source, 1, 1);
 
        /* DCS_CMD_ENABLE */
        if (dsi->data->quirks & DSI_QUIRK_DCS_CMD_CONFIG_VC) {
                bool enable = source == DSI_VC_SOURCE_VP;
-               REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), enable, 30, 30);
+               REG_FLD_MOD(dsi, DSI_VC_CTRL(vc), enable, 30, 30);
        }
 
-       dsi_vc_enable(dsi, channel, 1);
+       dsi_vc_enable(dsi, vc, 1);
 
-       dsi->vc[channel].source = source;
+       dsi->vc[vc].source = source;
 
        return 0;
 }
 
-static void dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel,
+static void dsi_vc_enable_hs(struct omap_dss_device *dssdev, int vc,
                bool enable)
 {
        struct dsi_data *dsi = to_dsi_data(dssdev);
 
-       DSSDBG("dsi_vc_enable_hs(%d, %d)\n", channel, enable);
+       DSSDBG("dsi_vc_enable_hs(%d, %d)\n", vc, enable);
 
        WARN_ON(!dsi_bus_is_locked(dsi));
 
-       dsi_vc_enable(dsi, channel, 0);
+       dsi_vc_enable(dsi, vc, 0);
        dsi_if_enable(dsi, 0);
 
-       REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), enable, 9, 9);
+       REG_FLD_MOD(dsi, DSI_VC_CTRL(vc), enable, 9, 9);
 
-       dsi_vc_enable(dsi, channel, 1);
+       dsi_vc_enable(dsi, vc, 1);
        dsi_if_enable(dsi, 1);
 
        dsi_force_tx_stop_mode_io(dsi);
 
        /* start the DDR clock by sending a NULL packet */
        if (dsi->vm_timings.ddr_clk_always_on && enable)
-               dsi_vc_send_null(dsi, channel);
+               dsi_vc_send_null(dsi, vc);
 
        dsi->in_lp_mode = !enable;
 }
 
-static void dsi_vc_flush_long_data(struct dsi_data *dsi, int channel)
+static void dsi_vc_flush_long_data(struct dsi_data *dsi, int vc)
 {
-       while (REG_GET(dsi, DSI_VC_CTRL(channel), 20, 20)) {
+       while (REG_GET(dsi, DSI_VC_CTRL(vc), 20, 20)) {
                u32 val;
-               val = dsi_read_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(channel));
+               val = dsi_read_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(vc));
                DSSDBG("\t\tb1 %#02x b2 %#02x b3 %#02x b4 %#02x\n",
                                (val >> 0) & 0xff,
                                (val >> 8) & 0xff,
                DSSERR("\t\tDSI Protocol Violation\n");
 }
 
-static u16 dsi_vc_flush_receive_data(struct dsi_data *dsi, int channel)
+static u16 dsi_vc_flush_receive_data(struct dsi_data *dsi, int vc)
 {
        /* RX_FIFO_NOT_EMPTY */
-       while (REG_GET(dsi, DSI_VC_CTRL(channel), 20, 20)) {
+       while (REG_GET(dsi, DSI_VC_CTRL(vc), 20, 20)) {
                u32 val;
                u8 dt;
-               val = dsi_read_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(channel));
+               val = dsi_read_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(vc));
                DSSERR("\trawval %#08x\n", val);
                dt = FLD_GET(val, 5, 0);
                if (dt == MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT) {
                } else if (dt == MIPI_DSI_RX_DCS_LONG_READ_RESPONSE) {
                        DSSERR("\tDCS long response, len %d\n",
                                        FLD_GET(val, 23, 8));
-                       dsi_vc_flush_long_data(dsi, channel);
+                       dsi_vc_flush_long_data(dsi, vc);
                } else {
                        DSSERR("\tunknown datatype 0x%02x\n", dt);
                }
        return 0;
 }
 
-static int dsi_vc_send_bta(struct dsi_data *dsi, int channel)
+static int dsi_vc_send_bta(struct dsi_data *dsi, int vc)
 {
        if (dsi->debug_write || dsi->debug_read)
-               DSSDBG("dsi_vc_send_bta %d\n", channel);
+               DSSDBG("dsi_vc_send_bta %d\n", vc);
 
        WARN_ON(!dsi_bus_is_locked(dsi));
 
        /* RX_FIFO_NOT_EMPTY */
-       if (REG_GET(dsi, DSI_VC_CTRL(channel), 20, 20)) {
+       if (REG_GET(dsi, DSI_VC_CTRL(vc), 20, 20)) {
                DSSERR("rx fifo not empty when sending BTA, dumping data:\n");
-               dsi_vc_flush_receive_data(dsi, channel);
+               dsi_vc_flush_receive_data(dsi, vc);
        }
 
-       REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), 1, 6, 6); /* BTA_EN */
+       REG_FLD_MOD(dsi, DSI_VC_CTRL(vc), 1, 6, 6); /* BTA_EN */
 
        /* flush posted write */
-       dsi_read_reg(dsi, DSI_VC_CTRL(channel));
+       dsi_read_reg(dsi, DSI_VC_CTRL(vc));
 
        return 0;
 }
 
-static int dsi_vc_send_bta_sync(struct omap_dss_device *dssdev, int channel)
+static int dsi_vc_send_bta_sync(struct omap_dss_device *dssdev, int vc)
 {
        struct dsi_data *dsi = to_dsi_data(dssdev);
        DECLARE_COMPLETION_ONSTACK(completion);
        int r = 0;
        u32 err;
 
-       r = dsi_register_isr_vc(dsi, channel, dsi_completion_handler,
+       r = dsi_register_isr_vc(dsi, vc, dsi_completion_handler,
                        &completion, DSI_VC_IRQ_BTA);
        if (r)
                goto err0;
        if (r)
                goto err1;
 
-       r = dsi_vc_send_bta(dsi, channel);
+       r = dsi_vc_send_bta(dsi, vc);
        if (r)
                goto err2;
 
        dsi_unregister_isr(dsi, dsi_completion_handler, &completion,
                        DSI_IRQ_ERROR_MASK);
 err1:
-       dsi_unregister_isr_vc(dsi, channel, dsi_completion_handler,
+       dsi_unregister_isr_vc(dsi, vc, dsi_completion_handler,
                        &completion, DSI_VC_IRQ_BTA);
 err0:
        return r;
 }
 
-static inline void dsi_vc_write_long_header(struct dsi_data *dsi, int channel,
+static inline void dsi_vc_write_long_header(struct dsi_data *dsi, int vc,
                                            u8 data_type, u16 len, u8 ecc)
 {
        u32 val;
 
        WARN_ON(!dsi_bus_is_locked(dsi));
 
-       data_id = data_type | channel << 6;
+       data_id = data_type | vc << 6;
 
        val = FLD_VAL(data_id, 7, 0) | FLD_VAL(len, 23, 8) |
                FLD_VAL(ecc, 31, 24);
 
-       dsi_write_reg(dsi, DSI_VC_LONG_PACKET_HEADER(channel), val);
+       dsi_write_reg(dsi, DSI_VC_LONG_PACKET_HEADER(vc), val);
 }
 
-static inline void dsi_vc_write_long_payload(struct dsi_data *dsi, int channel,
+static inline void dsi_vc_write_long_payload(struct dsi_data *dsi, int vc,
                                             u8 b1, u8 b2, u8 b3, u8 b4)
 {
        u32 val;
 /*     DSSDBG("\twriting %02x, %02x, %02x, %02x (%#010x)\n",
                        b1, b2, b3, b4, val); */
 
-       dsi_write_reg(dsi, DSI_VC_LONG_PACKET_PAYLOAD(channel), val);
+       dsi_write_reg(dsi, DSI_VC_LONG_PACKET_PAYLOAD(vc), val);
 }
 
 static int dsi_vc_send_long(struct dsi_data *dsi,
        return 0;
 }
 
-static int dsi_vc_send_null(struct dsi_data *dsi, int channel)
+static int dsi_vc_send_null(struct dsi_data *dsi, int vc)
 {
        const struct mipi_dsi_msg msg = {
-               .channel = channel,
+               .channel = vc,
                .type = MIPI_DSI_NULL_PACKET,
        };
 
        return 0;
 }
 
-static int dsi_vc_read_rx_fifo(struct dsi_data *dsi, int channel, u8 *buf,
+static int dsi_vc_read_rx_fifo(struct dsi_data *dsi, int vc, u8 *buf,
                               int buflen, enum dss_dsi_content_type type)
 {
        u32 val;
        int r;
 
        /* RX_FIFO_NOT_EMPTY */
-       if (REG_GET(dsi, DSI_VC_CTRL(channel), 20, 20) == 0) {
+       if (REG_GET(dsi, DSI_VC_CTRL(vc), 20, 20) == 0) {
                DSSERR("RX fifo empty when trying to read.\n");
                r = -EIO;
                goto err;
        }
 
-       val = dsi_read_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(channel));
+       val = dsi_read_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(vc));
        if (dsi->debug_read)
                DSSDBG("\theader: %08x\n", val);
        dt = FLD_GET(val, 5, 0);
                for (w = 0; w < len + 2;) {
                        int b;
                        val = dsi_read_reg(dsi,
-                               DSI_VC_SHORT_PACKET_HEADER(channel));
+                               DSI_VC_SHORT_PACKET_HEADER(vc));
                        if (dsi->debug_read)
                                DSSDBG("\t\t%02x %02x %02x %02x\n",
                                                (val >> 0) & 0xff,
        }
 
 err:
-       DSSERR("dsi_vc_read_rx_fifo(ch %d type %s) failed\n", channel,
+       DSSERR("dsi_vc_read_rx_fifo(vc %d type %s) failed\n", vc,
                type == DSS_DSI_CONTENT_GENERIC ? "GENERIC" : "DCS");
 
        return r;
        return 0;
 }
 
-static void dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
+static void dsi_enable_video_output(struct omap_dss_device *dssdev, int vc)
 {
        struct dsi_data *dsi = to_dsi_data(dssdev);
        int bpp = mipi_dsi_pixel_format_to_bpp(dsi->pix_fmt);
                }
 
                dsi_if_enable(dsi, false);
-               dsi_vc_enable(dsi, channel, false);
+               dsi_vc_enable(dsi, vc, false);
 
                /* MODE, 1 = video mode */
-               REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), 1, 4, 4);
+               REG_FLD_MOD(dsi, DSI_VC_CTRL(vc), 1, 4, 4);
 
                word_count = DIV_ROUND_UP(dsi->vm.hactive * bpp, 8);
 
-               dsi_vc_write_long_header(dsi, channel, data_type,
+               dsi_vc_write_long_header(dsi, vc, data_type,
                                word_count, 0);
 
-               dsi_vc_enable(dsi, channel, true);
+               dsi_vc_enable(dsi, vc, true);
                dsi_if_enable(dsi, true);
        }
 
 err_mgr_enable:
        if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
                dsi_if_enable(dsi, false);
-               dsi_vc_enable(dsi, channel, false);
+               dsi_vc_enable(dsi, vc, false);
        }
 err_pix_fmt:
        dsi_display_uninit_dispc(dsi);
        return;
 }
 
-static void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel)
+static void dsi_disable_video_output(struct omap_dss_device *dssdev, int vc)
 {
        struct dsi_data *dsi = to_dsi_data(dssdev);
 
        if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
                dsi_if_enable(dsi, false);
-               dsi_vc_enable(dsi, channel, false);
+               dsi_vc_enable(dsi, vc, false);
 
                /* MODE, 0 = command mode */
-               REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), 0, 4, 4);
+               REG_FLD_MOD(dsi, DSI_VC_CTRL(vc), 0, 4, 4);
 
-               dsi_vc_enable(dsi, channel, true);
+               dsi_vc_enable(dsi, vc, true);
                dsi_if_enable(dsi, true);
        }
 
        unsigned int packet_len;
        u32 l;
        int r;
-       const unsigned channel = dsi->update_channel;
+       const unsigned vc = dsi->update_vc;
        const unsigned int line_buf_size = dsi->line_buffer_size;
        u16 w = dsi->vm.hactive;
        u16 h = dsi->vm.vactive;
 
        DSSDBG("dsi_update_screen_dispc(%dx%d)\n", w, h);
 
-       dsi_vc_config_source(dsi, channel, DSI_VC_SOURCE_VP);
+       dsi_vc_config_source(dsi, vc, DSI_VC_SOURCE_VP);
 
        bytespp = mipi_dsi_pixel_format_to_bpp(dsi->pix_fmt) / 8;
        bytespl = w * bytespp;
                total_len += (bytespf % packet_payload) + 1;
 
        l = FLD_VAL(total_len, 23, 0); /* TE_SIZE */
-       dsi_write_reg(dsi, DSI_VC_TE(channel), l);
+       dsi_write_reg(dsi, DSI_VC_TE(vc), l);
 
-       dsi_vc_write_long_header(dsi, channel, MIPI_DSI_DCS_LONG_WRITE,
+       dsi_vc_write_long_header(dsi, vc, MIPI_DSI_DCS_LONG_WRITE,
                packet_len, 0);
 
        if (dsi->te_enabled)
                l = FLD_MOD(l, 1, 30, 30); /* TE_EN */
        else
                l = FLD_MOD(l, 1, 31, 31); /* TE_START */
-       dsi_write_reg(dsi, DSI_VC_TE(channel), l);
+       dsi_write_reg(dsi, DSI_VC_TE(vc), l);
 
        /* We put SIDLEMODE to no-idle for the duration of the transfer,
         * because DSS interrupts are not capable of waking up the CPU and the
                 * for TE is longer than the timer allows */
                REG_FLD_MOD(dsi, DSI_TIMING2, 0, 15, 15); /* LP_RX_TO */
 
-               dsi_vc_send_bta(dsi, channel);
+               dsi_vc_send_bta(dsi, vc);
 
 #ifdef DSI_CATCH_MISSING_TE
                mod_timer(&dsi->te_timer, jiffies + msecs_to_jiffies(250));
        return _omap_dsi_host_transfer(dsi, &msg);
 }
 
-static int dsi_update_channel(struct omap_dss_device *dssdev, int channel)
+static int dsi_update_channel(struct omap_dss_device *dssdev, int vc)
 {
        struct dsi_data *dsi = to_dsi_data(dssdev);
        int r;
                goto err;
        }
 
-       DSSDBG("dsi_update_channel: %d", channel);
+       DSSDBG("dsi_update_channel: %d", vc);
 
        dsi_set_ulps_auto(dsi, false);
 
         * updates stop working. This is probably related to DSI spec stating
         * that the DSI host should transition to LP at least once per frame.
         */
-       r = _dsi_send_nop(dsi, channel);
+       r = _dsi_send_nop(dsi, vc);
        if (r < 0) {
                DSSWARN("failed to send nop between frames: %d\n", r);
                goto err;
        }
 
-       dsi->update_channel = channel;
+       dsi->update_vc = vc;
 
        if (dsi->te_enabled && dsi->te_gpio) {
                schedule_delayed_work(&dsi->te_timeout_work,