From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chin Liang See Date: Sat, 17 Oct 2015 08:32:38 -0500 Subject: [U-Boot] [PATCH v5 4/5] spi: cadence_qspi: Ensure check for max frequency in place Message-ID: <1445088758-2797-1-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 Acked-by: Pavel Machek --- 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