From 4e609b6cb1e6e8cb14c55fd50c73c5affcba26b5 Mon Sep 17 00:00:00 2001 From: Chin Liang See <clsee@altera.com> Date: Sat, 17 Oct 2015 08:32:38 -0500 Subject: [PATCH] spi: cadence_qspi: Ensure check for max frequency in place 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 <clsee@altera.com> Cc: Dinh Nguyen <dinguyen@opensource.altera.com> Cc: Dinh Nguyen <dinh.linux@gmail.com> Cc: Marek Vasut <marex@denx.de> Cc: Stefan Roese <sr@denx.de> Cc: Vikas Manocha <vikas.manocha@st.com> Cc: Jagannadh Teki <jteki@openedev.com> Cc: Pavel Machek <pavel@denx.de> Acked-by: Pavel Machek <pavel@denx.de> --- 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 5756178761..4f7fd52532 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); -- 2.39.5