diff options
| author | Leilk Liu <leilk.liu@mediatek.com> | 2015-10-26 11:09:43 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-10-27 07:33:42 +0300 |
| commit | 58a984c79a68d508ccfccf4b82c0eaf7f487c399 (patch) | |
| tree | 777864ad776c5d422e66a6b816591cbc1ec6a8f5 /drivers/spi/spi-mt65xx.c | |
| parent | 79b5d3f24dcec547ea5db7d2e0b557a36f92b16b (diff) | |
| download | linux-58a984c79a68d508ccfccf4b82c0eaf7f487c399.tar.xz | |
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>
Diffstat (limited to 'drivers/spi/spi-mt65xx.c')
| -rw-r--r-- | drivers/spi/spi-mt65xx.c | 19 |
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) { |