[U-Boot] [PATCH v4 5/5] lib, fdt: Adding fdtdec_get_u32 function
Chin Liang See
clsee at altera.com
Sat Oct 17 15:07:37 CEST 2015
Hi Marek,
On Sat, 2015-10-17 at 01:08 +0200, marex at denx.de wrote:
> On Friday, October 16, 2015 at 12:16:15 PM, Chin Liang See wrote:
> > From 3b86e60182b87a96f2e5e2236df7a877c9a8c468 Mon Sep 17 00:00:00 2001
> > From: Chin Liang See <clsee at altera.com>
> > Date: Thu, 15 Oct 2015 14:04:39 +0800
> > Subject: [PATCH v4 5/5] lib, fdt: Adding fdtdec_get_u32 function
> >
> > Adding fdtdec_get_u32 function which is the
> > unsigned version for fdtdec_get_int
>
> But the function you added is named fdtdec_get_uint() , not fdtdec_get_u32() ;-)
Good catch, miss out this.
Will fix this.
Thanks
Chin Liang
>
> > 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>
> > Cc: Heiko Schocher <hs at denx.de>
> > ---
> > Changes for v4
> > - Drop idea on enabling fdt_support in SPL build
> > ---
> > include/fdtdec.h | 13 +++++++++++++
> > lib/fdtdec_common.c | 18 ++++++++++++++++++
> > 2 files changed, 31 insertions(+)
> >
> > diff --git a/include/fdtdec.h b/include/fdtdec.h
> > index 2de6dda..d51e643 100644
> > --- a/include/fdtdec.h
> > +++ b/include/fdtdec.h
> > @@ -490,6 +490,19 @@ s32 fdtdec_get_int(const void *blob, int node,
> > const char *prop_name,
> > s32 default_val);
> >
> > /**
> > + * Unsigned version of fdtdec_get_int. The property must have at least
> > + * 4 bytes of data. The value of the first cell is returned.
> > + *
> > + * @param blob FDT blob
> > + * @param node node to examine
> > + * @param prop_name name of property to find
> > + * @param default_val default value to return if the property is not
> > found
> > + * @return unsigned integer value, if found, or default_val if not
> > + */
> > +unsigned int fdtdec_get_uint(const void *blob, int node, const char
> > *prop_name,
> > + unsigned int default_val);
> > +
> > +/**
> > * Get a variable-sized number from a property
> > *
> > * This reads a number from one or more cells.
> > diff --git a/lib/fdtdec_common.c b/lib/fdtdec_common.c
> > index 757931a..63b704a 100644
> > --- a/lib/fdtdec_common.c
> > +++ b/lib/fdtdec_common.c
> > @@ -36,3 +36,21 @@ int fdtdec_get_int(const void *blob, int node, const
> > char *prop_name,
> > debug("(not found)\n");
> > return default_val;
> > }
> > +
> > +unsigned int fdtdec_get_uint(const void *blob, int node, const char
> > *prop_name,
> > + unsigned int default_val)
> > +{
> > + const int *cell;
> > + int len;
> > +
> > + debug("%s: %s: ", __func__, prop_name);
> > + cell = fdt_getprop(blob, node, prop_name, &len);
> > + if (cell && len >= sizeof(unsigned int)) {
> > + unsigned int val = fdt32_to_cpu(cell[0]);
> > +
> > + debug("%#x (%d)\n", val, val);
> > + return val;
> > + }
> > + debug("(not found)\n");
> > + return default_val;
> > +}
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