spi: cadence_qspi: Fix fdt read of spi-max-frequency

Fix the fdt read for spi-max-frequency as it's contained
in the child node. Current state of code is always
returning default value.

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: Marek Vasut <marex@denx.de>
Acked-by: Pavel Machek <pavel@denx.de>

diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c
index c5a427698e665976da00e6093b674f54c463d934..575617876103f9d318c5c0212e673b73ab2f02d7 100644 (file)
--- a/drivers/spi/cadence_qspi.c
+++ b/drivers/spi/cadence_qspi.c
@@ -295,10 +295,6 @@ static int cadence_spi_ofdata_to_platdata(struct udevice *bus)
        plat->regbase = (void *)data[0];
        plat->ahbbase = (void *)data[2];
 
-       /* Use 500KHz as a suitable default */
-       plat->max_hz = fdtdec_get_int(blob, node, "spi-max-frequency",
-                                     500000);
-
        /* All other paramters are embedded in the child node */
        subnode = fdt_first_subnode(blob, node);
        if (subnode < 0) {
@@ -306,6 +302,10 @@ static int cadence_spi_ofdata_to_platdata(struct udevice *bus)
                return -ENODEV;
        }
 
+       /* Use 500 KHz as a suitable default */
+       plat->max_hz = fdtdec_get_uint(blob, subnode, "spi-max-frequency",
+                                      500000);
+
        /* Read other parameters from DT */
        plat->page_size = fdtdec_get_int(blob, subnode, "page-size", 256);
        plat->block_size = fdtdec_get_int(blob, subnode, "block-size", 16);