diff options
Diffstat (limited to 'drivers/spi/spi-tegra20-sflash.c')
| -rw-r--r-- | drivers/spi/spi-tegra20-sflash.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c index 448a8cc71df3..3d6a12b2af04 100644 --- a/drivers/spi/spi-tegra20-sflash.c +++ b/drivers/spi/spi-tegra20-sflash.c @@ -34,7 +34,7 @@ #include <linux/of_device.h> #include <linux/spi/spi.h> #include <linux/spi/spi-tegra.h> -#include <mach/clk.h> +#include <linux/clk/tegra.h> #define SPI_COMMAND 0x000 #define SPI_GO BIT(30) @@ -269,9 +269,7 @@ static int tegra_sflash_start_transfer_one(struct spi_device *spi, u32 speed; unsigned long command; - speed = t->speed_hz ? t->speed_hz : spi->max_speed_hz; - if (!speed) - speed = tsd->spi_max_frequency; + speed = t->speed_hz; if (speed != tsd->cur_speed) { clk_set_rate(tsd->clk, speed); tsd->cur_speed = speed; @@ -319,6 +317,15 @@ static int tegra_sflash_start_transfer_one(struct spi_device *spi, return tegra_sflash_start_cpu_based_transfer(tsd, t); } +static int tegra_sflash_setup(struct spi_device *spi) +{ + struct tegra_sflash_data *tsd = spi_master_get_devdata(spi->master); + + /* Set speed to the spi max fequency if spi device has not set */ + spi->max_speed_hz = spi->max_speed_hz ? : tsd->spi_max_frequency; + return 0; +} + static int tegra_sflash_transfer_one_message(struct spi_master *master, struct spi_message *msg) { @@ -492,6 +499,7 @@ static int tegra_sflash_probe(struct platform_device *pdev) /* the spi->mode bits understood by this driver: */ master->mode_bits = SPI_CPOL | SPI_CPHA; + master->setup = tegra_sflash_setup; master->transfer_one_message = tegra_sflash_transfer_one_message; master->num_chipselect = MAX_CHIP_SELECT; master->bus_num = -1; @@ -508,11 +516,9 @@ static int tegra_sflash_probe(struct platform_device *pdev) ret = -ENODEV; goto exit_free_master; } - tsd->base = devm_request_and_ioremap(&pdev->dev, r); - if (!tsd->base) { - dev_err(&pdev->dev, - "Cannot request memregion/iomap dma address\n"); - ret = -EADDRNOTAVAIL; + tsd->base = devm_ioremap_resource(&pdev->dev, r); + if (IS_ERR(tsd->base)) { + ret = PTR_ERR(tsd->base); goto exit_free_master; } @@ -525,7 +531,7 @@ static int tegra_sflash_probe(struct platform_device *pdev) goto exit_free_master; } - tsd->clk = devm_clk_get(&pdev->dev, "spi"); + tsd->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(tsd->clk)) { dev_err(&pdev->dev, "can not get clock\n"); ret = PTR_ERR(tsd->clk); |