[U-Boot] [PATCH 2/4] spi: cadence_qspi: Fix fdt read of spi-max-frequency

Chin Liang See
2015-09-08T01:18:24Z

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>
---
Changes for v2
- Add unsigned casting for plat->max_hz
---
drivers/spi/cadence_qspi.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c
index 23c88d5..8c0f7dd 100644
--- a/drivers/spi/cadence_qspi.c
+++ b/drivers/spi/cadence_qspi.c
@@ -296,10 +296,6 @@ 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) {
@@ -307,6 +303,10 @@ static int cadence_spi_ofdata_to_platdata(struct udevice *bus)
return -ENODEV;
}

+ /* Use 500KHz as a suitable default */
+ plat->max_hz = (unsigned int)fdtdec_get_int(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);
--
1.7.7.4