[U-Boot] [PATCH 2/4] spi: cadence_qspi: Fix fdt read of spi-max-frequency
Chin Liang See
clsee at altera.com
Thu Sep 10 07:00:33 CEST 2015
Hi,
On Wed, 2015-09-09 at 09:16 +0200, ZY - pavel wrote:
> On Mon 2015-09-07 20:18:24, Chin Liang See wrote:
> > 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 at altera.com>
> > Cc: Dinh Nguyen <dinguyen at opensource.altera.com>
> > Cc: Dinh Nguyen <dinh.linux at gmail.com>
> > Cc: Marek Vasut <marex at denx.de>
> > Cc: Stefan Roese <sr at denx.de>
> > Cc: Vikas Manocha <vikas.manocha at st.com>
> > Cc: Jagannadh Teki <jteki at openedev.com>
> > Cc: Pavel Machek <pavel at 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 */
>
> And as you'll be updating it... it should be "500 kHz", AFAICT.
That sounds easy fix :)
Thanks
Chin Liang
>
>
> > + 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);
>
> Pavel
>
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