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path: root/drivers/spi/spi-mt65xx.c
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Diffstat (limited to 'drivers/spi/spi-mt65xx.c')
-rw-r--r--drivers/spi/spi-mt65xx.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 7bd84c8061c6..406695a42e19 100644
--- 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) {