summaryrefslogtreecommitdiffstats
path: root/drivers/spi/spi-tegra20-sflash.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/spi/spi-tegra20-sflash.c')
-rw-r--r--drivers/spi/spi-tegra20-sflash.c24
1 files changed, 3 insertions, 21 deletions
diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c
index 08794977f21a..c60d5df054ee 100644
--- a/drivers/spi/spi-tegra20-sflash.c
+++ b/drivers/spi/spi-tegra20-sflash.c
@@ -121,7 +121,6 @@ struct tegra_sflash_data {
struct reset_control *rst;
void __iomem *base;
unsigned irq;
- u32 spi_max_frequency;
u32 cur_speed;
struct spi_device *cur_spi;
@@ -315,15 +314,6 @@ 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)
{
@@ -430,15 +420,6 @@ static irqreturn_t tegra_sflash_isr(int irq, void *context_data)
return handle_cpu_based_xfer(tsd);
}
-static void tegra_sflash_parse_dt(struct tegra_sflash_data *tsd)
-{
- struct device_node *np = tsd->dev->of_node;
-
- if (of_property_read_u32(np, "spi-max-frequency",
- &tsd->spi_max_frequency))
- tsd->spi_max_frequency = 25000000; /* 25MHz */
-}
-
static struct of_device_id tegra_sflash_of_match[] = {
{ .compatible = "nvidia,tegra20-sflash", },
{}
@@ -467,7 +448,6 @@ 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->auto_runtime_pm = true;
master->num_chipselect = MAX_CHIP_SELECT;
@@ -479,7 +459,9 @@ static int tegra_sflash_probe(struct platform_device *pdev)
tsd->dev = &pdev->dev;
spin_lock_init(&tsd->lock);
- tegra_sflash_parse_dt(tsd);
+ if (of_property_read_u32(tsd->dev->of_node, "spi-max-frequency",
+ &master->max_speed_hz))
+ master->max_speed_hz = 25000000; /* 25MHz */
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
tsd->base = devm_ioremap_resource(&pdev->dev, r);
OpenPOWER on IntegriCloud