spi: mt65xx: switch to use modern name

Change legacy name master to modern name host or controller.

No functional changed.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20230823033003.3407403-11-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 0757985947dd925e99814615c391e6719f7d4786..8d5d170d49cc44686940a79d5bc9a80244dce4d1 100644 (file)
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -135,7 +135,7 @@ struct mtk_spi_compatible {
  * @pad_num:           Number of pad_sel entries
  * @pad_sel:           Groups of pins to select
  * @parent_clk:                Parent of sel_clk
- * @sel_clk:           SPI master mux clock
+ * @sel_clk:           SPI host mux clock
  * @spi_clk:           Peripheral clock
  * @spi_hclk:          AHB bus clock
  * @cur_transfer:      Currently processed SPI transfer
@@ -282,7 +282,7 @@ static void mtk_spi_reset(struct mtk_spi *mdata)
 
 static int mtk_spi_set_hw_cs_timing(struct spi_device *spi)
 {
-       struct mtk_spi *mdata = spi_master_get_devdata(spi->master);
+       struct mtk_spi *mdata = spi_controller_get_devdata(spi->controller);
        struct spi_delay *cs_setup = &spi->cs_setup;
        struct spi_delay *cs_hold = &spi->cs_hold;
        struct spi_delay *cs_inactive = &spi->cs_inactive;
@@ -347,13 +347,13 @@ static int mtk_spi_set_hw_cs_timing(struct spi_device *spi)
        return 0;
 }
 
-static int mtk_spi_hw_init(struct spi_master *master,
+static int mtk_spi_hw_init(struct spi_controller *host,
                           struct spi_device *spi)
 {
        u16 cpha, cpol;
        u32 reg_val;
        struct mtk_chip_config *chip_config = spi->controller_data;
-       struct mtk_spi *mdata = spi_master_get_devdata(master);
+       struct mtk_spi *mdata = spi_controller_get_devdata(host);
 
        cpha = spi->mode & SPI_CPHA ? 1 : 0;
        cpol = spi->mode & SPI_CPOL ? 1 : 0;
@@ -452,16 +452,16 @@ static int mtk_spi_hw_init(struct spi_master *master,
        return 0;
 }
 
-static int mtk_spi_prepare_message(struct spi_master *master,
+static int mtk_spi_prepare_message(struct spi_controller *host,
                                   struct spi_message *msg)
 {
-       return mtk_spi_hw_init(master, msg->spi);
+       return mtk_spi_hw_init(host, msg->spi);
 }
 
 static void mtk_spi_set_cs(struct spi_device *spi, bool enable)
 {
        u32 reg_val;
-       struct mtk_spi *mdata = spi_master_get_devdata(spi->master);
+       struct mtk_spi *mdata = spi_controller_get_devdata(spi->controller);
 
        if (spi->mode & SPI_CS_HIGH)
                enable = !enable;
@@ -478,11 +478,11 @@ static void mtk_spi_set_cs(struct spi_device *spi, bool enable)
        }
 }
 
-static void mtk_spi_prepare_transfer(struct spi_master *master,
+static void mtk_spi_prepare_transfer(struct spi_controller *host,
                                     u32 speed_hz)
 {
        u32 div, sck_time, reg_val;
-       struct mtk_spi *mdata = spi_master_get_devdata(master);
+       struct mtk_spi *mdata = spi_controller_get_devdata(host);
 
        if (speed_hz < mdata->spi_clk_hz / 2)
                div = DIV_ROUND_UP(mdata->spi_clk_hz, speed_hz);
@@ -511,10 +511,10 @@ static void mtk_spi_prepare_transfer(struct spi_master *master,
        }
 }
 
-static void mtk_spi_setup_packet(struct spi_master *master)
+static void mtk_spi_setup_packet(struct spi_controller *host)
 {
        u32 packet_size, packet_loop, reg_val;
-       struct mtk_spi *mdata = spi_master_get_devdata(master);
+       struct mtk_spi *mdata = spi_controller_get_devdata(host);
 
        if (mdata->dev_comp->ipm_design)
                packet_size = min_t(u32,
@@ -538,10 +538,10 @@ static void mtk_spi_setup_packet(struct spi_master *master)
        writel(reg_val, mdata->base + SPI_CFG1_REG);
 }
 
-static void mtk_spi_enable_transfer(struct spi_master *master)
+static void mtk_spi_enable_transfer(struct spi_controller *host)
 {
        u32 cmd;
-       struct mtk_spi *mdata = spi_master_get_devdata(master);
+       struct mtk_spi *mdata = spi_controller_get_devdata(host);
 
        cmd = readl(mdata->base + SPI_CMD_REG);
        if (mdata->state == MTK_SPI_IDLE)
@@ -566,10 +566,10 @@ static int mtk_spi_get_mult_delta(struct mtk_spi *mdata, u32 xfer_len)
        return mult_delta;
 }
 
-static void mtk_spi_update_mdata_len(struct spi_master *master)
+static void mtk_spi_update_mdata_len(struct spi_controller *host)
 {
        int mult_delta;
-       struct mtk_spi *mdata = spi_master_get_devdata(master);
+       struct mtk_spi *mdata = spi_controller_get_devdata(host);
 
        if (mdata->tx_sgl_len && mdata->rx_sgl_len) {
                if (mdata->tx_sgl_len > mdata->rx_sgl_len) {
@@ -594,10 +594,10 @@ static void mtk_spi_update_mdata_len(struct spi_master *master)
        }
 }
 
-static void mtk_spi_setup_dma_addr(struct spi_master *master,
+static void mtk_spi_setup_dma_addr(struct spi_controller *host,
                                   struct spi_transfer *xfer)
 {
-       struct mtk_spi *mdata = spi_master_get_devdata(master);
+       struct mtk_spi *mdata = spi_controller_get_devdata(host);
 
        if (mdata->tx_sgl) {
                writel((u32)(xfer->tx_dma & MTK_SPI_32BITS_MASK),
@@ -620,19 +620,19 @@ static void mtk_spi_setup_dma_addr(struct spi_master *master,
        }
 }
 
-static int mtk_spi_fifo_transfer(struct spi_master *master,
+static int mtk_spi_fifo_transfer(struct spi_controller *host,
                                 struct spi_device *spi,
                                 struct spi_transfer *xfer)
 {
        int cnt, remainder;
        u32 reg_val;
-       struct mtk_spi *mdata = spi_master_get_devdata(master);
+       struct mtk_spi *mdata = spi_controller_get_devdata(host);
 
        mdata->cur_transfer = xfer;
        mdata->xfer_len = min(MTK_SPI_MAX_FIFO_SIZE, xfer->len);
        mdata->num_xfered = 0;
-       mtk_spi_prepare_transfer(master, xfer->speed_hz);
-       mtk_spi_setup_packet(master);
+       mtk_spi_prepare_transfer(host, xfer->speed_hz);
+       mtk_spi_setup_packet(host);
 
        if (xfer->tx_buf) {
                cnt = xfer->len / 4;
@@ -645,17 +645,17 @@ static int mtk_spi_fifo_transfer(struct spi_master *master,
                }
        }
 
-       mtk_spi_enable_transfer(master);
+       mtk_spi_enable_transfer(host);
 
        return 1;
 }
 
-static int mtk_spi_dma_transfer(struct spi_master *master,
+static int mtk_spi_dma_transfer(struct spi_controller *host,
                                struct spi_device *spi,
                                struct spi_transfer *xfer)
 {
        int cmd;
-       struct mtk_spi *mdata = spi_master_get_devdata(master);
+       struct mtk_spi *mdata = spi_controller_get_devdata(host);
 
        mdata->tx_sgl = NULL;
        mdata->rx_sgl = NULL;
@@ -664,7 +664,7 @@ static int mtk_spi_dma_transfer(struct spi_master *master,
        mdata->cur_transfer = xfer;
        mdata->num_xfered = 0;
 
-       mtk_spi_prepare_transfer(master, xfer->speed_hz);
+       mtk_spi_prepare_transfer(host, xfer->speed_hz);
 
        cmd = readl(mdata->base + SPI_CMD_REG);
        if (xfer->tx_buf)
@@ -687,19 +687,19 @@ static int mtk_spi_dma_transfer(struct spi_master *master,
                mdata->rx_sgl_len = sg_dma_len(mdata->rx_sgl);
        }
 
-       mtk_spi_update_mdata_len(master);
-       mtk_spi_setup_packet(master);
-       mtk_spi_setup_dma_addr(master, xfer);
-       mtk_spi_enable_transfer(master);
+       mtk_spi_update_mdata_len(host);
+       mtk_spi_setup_packet(host);
+       mtk_spi_setup_dma_addr(host, xfer);
+       mtk_spi_enable_transfer(host);
 
        return 1;
 }
 
-static int mtk_spi_transfer_one(struct spi_master *master,
+static int mtk_spi_transfer_one(struct spi_controller *host,
                                struct spi_device *spi,
                                struct spi_transfer *xfer)
 {
-       struct mtk_spi *mdata = spi_master_get_devdata(spi->master);
+       struct mtk_spi *mdata = spi_controller_get_devdata(spi->controller);
        u32 reg_val = 0;
 
        /* prepare xfer direction and duplex mode */
@@ -712,13 +712,13 @@ static int mtk_spi_transfer_one(struct spi_master *master,
                writel(reg_val, mdata->base + SPI_CFG3_IPM_REG);
        }
 
-       if (master->can_dma(master, spi, xfer))
-               return mtk_spi_dma_transfer(master, spi, xfer);
+       if (host->can_dma(host, spi, xfer))
+               return mtk_spi_dma_transfer(host, spi, xfer);
        else
-               return mtk_spi_fifo_transfer(master, spi, xfer);
+               return mtk_spi_fifo_transfer(host, spi, xfer);
 }
 
-static bool mtk_spi_can_dma(struct spi_master *master,
+static bool mtk_spi_can_dma(struct spi_controller *host,
                            struct spi_device *spi,
                            struct spi_transfer *xfer)
 {
@@ -730,7 +730,7 @@ static bool mtk_spi_can_dma(struct spi_master *master,
 
 static int mtk_spi_setup(struct spi_device *spi)
 {
-       struct mtk_spi *mdata = spi_master_get_devdata(spi->master);
+       struct mtk_spi *mdata = spi_controller_get_devdata(spi->controller);
 
        if (!spi->controller_data)
                spi->controller_data = (void *)&mtk_default_chip_info;
@@ -745,8 +745,8 @@ static int mtk_spi_setup(struct spi_device *spi)
 static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
 {
        u32 cmd, reg_val, cnt, remainder, len;
-       struct spi_master *master = dev_id;
-       struct mtk_spi *mdata = spi_master_get_devdata(master);
+       struct spi_controller *host = dev_id;
+       struct mtk_spi *mdata = spi_controller_get_devdata(host);
        struct spi_transfer *trans = mdata->cur_transfer;
 
        reg_val = readl(mdata->base + SPI_STATUS0_REG);
@@ -761,7 +761,7 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
                return IRQ_HANDLED;
        }
 
-       if (!master->can_dma(master, NULL, trans)) {
+       if (!host->can_dma(host, NULL, trans)) {
                if (trans->rx_buf) {
                        cnt = mdata->xfer_len / 4;
                        ioread32_rep(mdata->base + SPI_RX_DATA_REG,
@@ -779,13 +779,13 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
 
                mdata->num_xfered += mdata->xfer_len;
                if (mdata->num_xfered == trans->len) {
-                       spi_finalize_current_transfer(master);
+                       spi_finalize_current_transfer(host);
                        return IRQ_HANDLED;
                }
 
                len = trans->len - mdata->num_xfered;
                mdata->xfer_len = min(MTK_SPI_MAX_FIFO_SIZE, len);
-               mtk_spi_setup_packet(master);
+               mtk_spi_setup_packet(host);
 
                cnt = mdata->xfer_len / 4;
                iowrite32_rep(mdata->base + SPI_TX_DATA_REG,
@@ -800,7 +800,7 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
                        writel(reg_val, mdata->base + SPI_TX_DATA_REG);
                }
 
-               mtk_spi_enable_transfer(master);
+               mtk_spi_enable_transfer(host);
 
                return IRQ_HANDLED;
        }
@@ -832,14 +832,14 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
                cmd &= ~SPI_CMD_RX_DMA;
                writel(cmd, mdata->base + SPI_CMD_REG);
 
-               spi_finalize_current_transfer(master);
+               spi_finalize_current_transfer(host);
                return IRQ_HANDLED;
        }
 
-       mtk_spi_update_mdata_len(master);
-       mtk_spi_setup_packet(master);
-       mtk_spi_setup_dma_addr(master, trans);
-       mtk_spi_enable_transfer(master);
+       mtk_spi_update_mdata_len(host);
+       mtk_spi_setup_packet(host);
+       mtk_spi_setup_dma_addr(host, trans);
+       mtk_spi_enable_transfer(host);
 
        return IRQ_HANDLED;
 }
@@ -884,10 +884,10 @@ static bool mtk_spi_mem_supports_op(struct spi_mem *mem,
        return true;
 }
 
-static void mtk_spi_mem_setup_dma_xfer(struct spi_master *master,
+static void mtk_spi_mem_setup_dma_xfer(struct spi_controller *host,
                                       const struct spi_mem_op *op)
 {
-       struct mtk_spi *mdata = spi_master_get_devdata(master);
+       struct mtk_spi *mdata = spi_controller_get_devdata(host);
 
        writel((u32)(mdata->tx_dma & MTK_SPI_32BITS_MASK),
               mdata->base + SPI_TX_SRC_REG);
@@ -911,7 +911,7 @@ static void mtk_spi_mem_setup_dma_xfer(struct spi_master *master,
 static int mtk_spi_transfer_wait(struct spi_mem *mem,
                                 const struct spi_mem_op *op)
 {
-       struct mtk_spi *mdata = spi_master_get_devdata(mem->spi->master);
+       struct mtk_spi *mdata = spi_controller_get_devdata(mem->spi->controller);
        /*
         * For each byte we wait for 8 cycles of the SPI clock.
         * Since speed is defined in Hz and we want milliseconds,
@@ -941,7 +941,7 @@ static int mtk_spi_transfer_wait(struct spi_mem *mem,
 static int mtk_spi_mem_exec_op(struct spi_mem *mem,
                               const struct spi_mem_op *op)
 {
-       struct mtk_spi *mdata = spi_master_get_devdata(mem->spi->master);
+       struct mtk_spi *mdata = spi_controller_get_devdata(mem->spi->controller);
        u32 reg_val, nio, tx_size;
        char *tx_tmp_buf, *rx_tmp_buf;
        int ret = 0;
@@ -950,8 +950,8 @@ static int mtk_spi_mem_exec_op(struct spi_mem *mem,
        reinit_completion(&mdata->spimem_done);
 
        mtk_spi_reset(mdata);
-       mtk_spi_hw_init(mem->spi->master, mem->spi);
-       mtk_spi_prepare_transfer(mem->spi->master, mem->spi->max_speed_hz);
+       mtk_spi_hw_init(mem->spi->controller, mem->spi);
+       mtk_spi_prepare_transfer(mem->spi->controller, mem->spi->max_speed_hz);
 
        reg_val = readl(mdata->base + SPI_CFG3_IPM_REG);
        /* opcode byte len */
@@ -971,7 +971,7 @@ static int mtk_spi_mem_exec_op(struct spi_mem *mem,
        } else {
                reg_val &= ~SPI_CFG3_IPM_NODATA_FLAG;
                mdata->xfer_len = op->data.nbytes;
-               mtk_spi_setup_packet(mem->spi->master);
+               mtk_spi_setup_packet(mem->spi->controller);
        }
 
        if (op->addr.nbytes || op->dummy.nbytes) {
@@ -1069,9 +1069,9 @@ static int mtk_spi_mem_exec_op(struct spi_mem *mem,
                reg_val |= SPI_CMD_RX_DMA;
        writel(reg_val, mdata->base + SPI_CMD_REG);
 
-       mtk_spi_mem_setup_dma_xfer(mem->spi->master, op);
+       mtk_spi_mem_setup_dma_xfer(mem->spi->controller, op);
 
-       mtk_spi_enable_transfer(mem->spi->master);
+       mtk_spi_enable_transfer(mem->spi->controller);
 
        /* Wait for the interrupt. */
        ret = mtk_spi_transfer_wait(mem, op);
@@ -1115,41 +1115,41 @@ static const struct spi_controller_mem_ops mtk_spi_mem_ops = {
 static int mtk_spi_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
-       struct spi_master *master;
+       struct spi_controller *host;
        struct mtk_spi *mdata;
        int i, irq, ret, addr_bits;
 
-       master = devm_spi_alloc_master(dev, sizeof(*mdata));
-       if (!master)
-               return dev_err_probe(dev, -ENOMEM, "failed to alloc spi master\n");
+       host = devm_spi_alloc_host(dev, sizeof(*mdata));
+       if (!host)
+               return dev_err_probe(dev, -ENOMEM, "failed to alloc spi host\n");
 
-       master->auto_runtime_pm = true;
-       master->dev.of_node = dev->of_node;
-       master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
+       host->auto_runtime_pm = true;
+       host->dev.of_node = dev->of_node;
+       host->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
 
-       master->set_cs = mtk_spi_set_cs;
-       master->prepare_message = mtk_spi_prepare_message;
-       master->transfer_one = mtk_spi_transfer_one;
-       master->can_dma = mtk_spi_can_dma;
-       master->setup = mtk_spi_setup;
-       master->set_cs_timing = mtk_spi_set_hw_cs_timing;
-       master->use_gpio_descriptors = true;
+       host->set_cs = mtk_spi_set_cs;
+       host->prepare_message = mtk_spi_prepare_message;
+       host->transfer_one = mtk_spi_transfer_one;
+       host->can_dma = mtk_spi_can_dma;
+       host->setup = mtk_spi_setup;
+       host->set_cs_timing = mtk_spi_set_hw_cs_timing;
+       host->use_gpio_descriptors = true;
 
-       mdata = spi_master_get_devdata(master);
+       mdata = spi_controller_get_devdata(host);
        mdata->dev_comp = device_get_match_data(dev);
 
        if (mdata->dev_comp->enhance_timing)
-               master->mode_bits |= SPI_CS_HIGH;
+               host->mode_bits |= SPI_CS_HIGH;
 
        if (mdata->dev_comp->must_tx)
-               master->flags = SPI_CONTROLLER_MUST_TX;
+               host->flags = SPI_CONTROLLER_MUST_TX;
        if (mdata->dev_comp->ipm_design)
-               master->mode_bits |= SPI_LOOP | SPI_RX_DUAL | SPI_TX_DUAL |
-                                    SPI_RX_QUAD | SPI_TX_QUAD;
+               host->mode_bits |= SPI_LOOP | SPI_RX_DUAL | SPI_TX_DUAL |
+                                  SPI_RX_QUAD | SPI_TX_QUAD;
 
        if (mdata->dev_comp->ipm_design) {
                mdata->dev = dev;
-               master->mem_ops = &mtk_spi_mem_ops;
+               host->mem_ops = &mtk_spi_mem_ops;
                init_completion(&mdata->spimem_done);
        }
 
@@ -1176,7 +1176,7 @@ static int mtk_spi_probe(struct platform_device *pdev)
                }
        }
 
-       platform_set_drvdata(pdev, master);
+       platform_set_drvdata(pdev, host);
        mdata->base = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(mdata->base))
                return PTR_ERR(mdata->base);
@@ -1235,12 +1235,12 @@ static int mtk_spi_probe(struct platform_device *pdev)
        }
 
        if (mdata->dev_comp->need_pad_sel) {
-               if (mdata->pad_num != master->num_chipselect)
+               if (mdata->pad_num != host->num_chipselect)
                        return dev_err_probe(dev, -EINVAL,
                                "pad_num does not match num_chipselect(%d != %d)\n",
-                               mdata->pad_num, master->num_chipselect);
+                               mdata->pad_num, host->num_chipselect);
 
-               if (!master->cs_gpiods && master->num_chipselect > 1)
+               if (!host->cs_gpiods && host->num_chipselect > 1)
                        return dev_err_probe(dev, -EINVAL,
                                "cs_gpios not specified and num_chipselect > 1\n");
        }
@@ -1255,16 +1255,16 @@ static int mtk_spi_probe(struct platform_device *pdev)
                           addr_bits, ret);
 
        ret = devm_request_irq(dev, irq, mtk_spi_interrupt,
-                              IRQF_TRIGGER_NONE, dev_name(dev), master);
+                              IRQF_TRIGGER_NONE, dev_name(dev), host);
        if (ret)
                return dev_err_probe(dev, ret, "failed to register irq\n");
 
        pm_runtime_enable(dev);
 
-       ret = devm_spi_register_master(dev, master);
+       ret = devm_spi_register_controller(dev, host);
        if (ret) {
                pm_runtime_disable(dev);
-               return dev_err_probe(dev, ret, "failed to register master\n");
+               return dev_err_probe(dev, ret, "failed to register host\n");
        }
 
        return 0;
@@ -1272,8 +1272,8 @@ static int mtk_spi_probe(struct platform_device *pdev)
 
 static void mtk_spi_remove(struct platform_device *pdev)
 {
-       struct spi_master *master = platform_get_drvdata(pdev);
-       struct mtk_spi *mdata = spi_master_get_devdata(master);
+       struct spi_controller *host = platform_get_drvdata(pdev);
+       struct mtk_spi *mdata = spi_controller_get_devdata(host);
        int ret;
 
        if (mdata->use_spimem && !completion_done(&mdata->spimem_done))
@@ -1304,10 +1304,10 @@ static void mtk_spi_remove(struct platform_device *pdev)
 static int mtk_spi_suspend(struct device *dev)
 {
        int ret;
-       struct spi_master *master = dev_get_drvdata(dev);
-       struct mtk_spi *mdata = spi_master_get_devdata(master);
+       struct spi_controller *host = dev_get_drvdata(dev);
+       struct mtk_spi *mdata = spi_controller_get_devdata(host);
 
-       ret = spi_master_suspend(master);
+       ret = spi_controller_suspend(host);
        if (ret)
                return ret;
 
@@ -1322,8 +1322,8 @@ static int mtk_spi_suspend(struct device *dev)
 static int mtk_spi_resume(struct device *dev)
 {
        int ret;
-       struct spi_master *master = dev_get_drvdata(dev);
-       struct mtk_spi *mdata = spi_master_get_devdata(master);
+       struct spi_controller *host = dev_get_drvdata(dev);
+       struct mtk_spi *mdata = spi_controller_get_devdata(host);
 
        if (!pm_runtime_suspended(dev)) {
                ret = clk_prepare_enable(mdata->spi_clk);
@@ -1340,7 +1340,7 @@ static int mtk_spi_resume(struct device *dev)
                }
        }
 
-       ret = spi_master_resume(master);
+       ret = spi_controller_resume(host);
        if (ret < 0) {
                clk_disable_unprepare(mdata->spi_clk);
                clk_disable_unprepare(mdata->spi_hclk);
@@ -1353,8 +1353,8 @@ static int mtk_spi_resume(struct device *dev)
 #ifdef CONFIG_PM
 static int mtk_spi_runtime_suspend(struct device *dev)
 {
-       struct spi_master *master = dev_get_drvdata(dev);
-       struct mtk_spi *mdata = spi_master_get_devdata(master);
+       struct spi_controller *host = dev_get_drvdata(dev);
+       struct mtk_spi *mdata = spi_controller_get_devdata(host);
 
        if (mdata->dev_comp->no_need_unprepare) {
                clk_disable(mdata->spi_clk);
@@ -1369,8 +1369,8 @@ static int mtk_spi_runtime_suspend(struct device *dev)
 
 static int mtk_spi_runtime_resume(struct device *dev)
 {
-       struct spi_master *master = dev_get_drvdata(dev);
-       struct mtk_spi *mdata = spi_master_get_devdata(master);
+       struct spi_controller *host = dev_get_drvdata(dev);
+       struct mtk_spi *mdata = spi_controller_get_devdata(host);
        int ret;
 
        if (mdata->dev_comp->no_need_unprepare) {