From 4a91b5a380e7d3178d4378df79224442c79278bb Mon Sep 17 00:00:00 2001
From: Chin Liang See clsee@altera.com Date: Fri, 16 Oct 2015 16:35:10 +0800 Subject: [PATCH v4 2/5] 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 --- Changes for v4 - use the newly created fdtdec_get_uint Changes for v3 - Use of fdt_getprop_u32_default_node instead casting Changes for v2 - Add unsigned casting for plat->max_hz --- drivers/spi/cadence_qspi.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c index c5a4276..5756178 100644 --- 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);