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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>
This commit is contained in:
Leilk Liu 2015-10-26 16:09:43 +08:00 committed by Mark Brown
parent 79b5d3f24d
commit 58a984c79a
1 changed files with 12 additions and 7 deletions
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19
drivers/spi/spi-mt65xx.c
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@ -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) {