From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chin Liang See Date: Thu, 10 Sep 2015 00:01:42 -0500 Subject: [U-Boot] [PATCH v3 3/5] spi: cadence_qspi: Ensure check for max frequency in place Message-ID: <1441861302-2471-1-git-send-email-clsee@altera.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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 Cc: Dinh Nguyen Cc: Dinh Nguyen Cc: Marek Vasut Cc: Stefan Roese Cc: Vikas Manocha Cc: Jagannadh Teki Cc: Pavel Machek --- 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