spi: mediatek: handle controller_data in mtk_spi_setup

controller_data is related with device, so move to master->setup
function.

Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 7bd84c8..406695a 100644 (file)
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -136,19 +136,13 @@ static int mtk_spi_prepare_message(struct spi_master *master,
 {
        u16 cpha, cpol;
        u32 reg_val;
-       struct mtk_chip_config *chip_config;
        struct spi_device *spi = msg->spi;
+       struct mtk_chip_config *chip_config = spi->controller_data;
        struct mtk_spi *mdata = spi_master_get_devdata(master);
 
        cpha = spi->mode & SPI_CPHA ? 1 : 0;
        cpol = spi->mode & SPI_CPOL ? 1 : 0;
 
-       chip_config = spi->controller_data;
-       if (!chip_config) {
-               chip_config = (void *)&mtk_default_chip_info;
-               spi->controller_data = chip_config;
-       }
-
        reg_val = readl(mdata->base + SPI_CMD_REG);
        if (cpha)
                reg_val |= SPI_CMD_CPHA;
@@ -406,6 +400,16 @@ static bool mtk_spi_can_dma(struct spi_master *master,
        return xfer->len > MTK_SPI_MAX_FIFO_SIZE;
 }
 
+static int mtk_spi_setup(struct spi_device *spi)
+{
+       struct mtk_spi *mdata = spi_master_get_devdata(spi->master);
+
+       if (!spi->controller_data)
+               spi->controller_data = (void *)&mtk_default_chip_info;
+
+       return 0;
+}
+
 static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
 {
        u32 cmd, reg_val, cnt;
@@ -493,6 +497,7 @@ static int mtk_spi_probe(struct platform_device *pdev)
        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;
 
        of_id = of_match_node(mtk_spi_of_match, pdev->dev.of_node);
        if (!of_id) {