For devices that need a delay between SPI transactions we seem to need an additional delay before the first one if the CPU is running at full speed. Add this, under control of the existing setting. At present it will only be enabled with the Chrome OS EC.
Signed-off-by: Simon Glass <[email protected]> --- Changes in v2: None drivers/spi/tegra114_spi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/tegra114_spi.c b/drivers/spi/tegra114_spi.c index 013bc82380..04b4fce061 100644 --- a/drivers/spi/tegra114_spi.c +++ b/drivers/spi/tegra114_spi.c @@ -149,6 +149,7 @@ static int tegra114_spi_probe(struct udevice *bus) bus->name, priv->freq, rate); } } + udelay(plat->deactivate_delay_us); /* Clear stale status here */ setbits_le32(®s->fifo_status, -- 2.13.0.219.gdb65acc882-goog _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
