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]> Acked-by: Pavel Machek <[email protected]> --- Changes for v5 - shuffling the patches Changes for v4 - no changes Changes for v3 - Remove the printout Changes for v2 - no changes --- drivers/spi/cadence_qspi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c index 5756178..4f7fd52 100644 --- a/drivers/spi/cadence_qspi.c +++ b/drivers/spi/cadence_qspi.c @@ -122,6 +122,9 @@ 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); -- 2.2.0 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
