Ensure the intended SCLK frequency not exceeding the maximum frequency. If that happen, SCLK will set to maximum frequency.
Signed-off-by: Chin Liang See <[email protected]> Cc: Dinh Nguyen <[email protected]> Cc: Dinh Nguyen <[email protected]> Cc: Marek Vasut <[email protected]> Cc: Stefan Roese <[email protected]> Cc: Vikas Manocha <[email protected]> Cc: Jagannadh Teki <[email protected]> Cc: Pavel Machek <[email protected]> --- Changes for v3 - Remove the printout --- drivers/spi/cadence_qspi.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c index 95236a3..89e4d3e 100644 --- a/drivers/spi/cadence_qspi.c +++ b/drivers/spi/cadence_qspi.c @@ -127,6 +127,9 @@ static int cadence_spi_set_speed(struct udevice *bus, uint hz) struct cadence_spi_priv *priv = dev_get_priv(bus); int err; + if (hz > plat->max_hz) + hz = plat->max_hz; + /* Disable QSPI */ cadence_qspi_apb_controller_disable(priv->regbase); -- 1.7.7.4 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
