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dtc: Enable and fix -Wcast-qual warnings

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Enabling -Wcast-qual warnings in dtc shows up a number of places where
we are incorrectly discarding a const qualification.  There are also
some places where we are intentionally discarding the 'const', and we
need an ugly cast through uintptr_t to suppress the warning.  However,
most of these are pretty well isolated with the *_w() functions.  So
in the interests of maximum safety with const qualifications, this
patch enables the warnings and fixes the existing complaints.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Gerald Van Baren <vanbaren@cideas.com>
This commit is contained in:
David Gibson
2008-07-07 10:14:15 +10:00
committed by Gerald Van Baren
parent ef4e8ce1be
commit c66830263a
4 changed files with 11 additions and 10 deletions
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7
libfdt/libfdt_internal.h
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@@ -77,19 +77,20 @@ static inline const void *_fdt_offset_ptr(const void *fdt, int offset)
static inline void *_fdt_offset_ptr_w(void *fdt, int offset)
{
return (void *)_fdt_offset_ptr(fdt, offset);
return (void *)(uintptr_t)_fdt_offset_ptr(fdt, offset);
}
static inline const struct fdt_reserve_entry *_fdt_mem_rsv(const void *fdt, int n)
{
const struct fdt_reserve_entry *rsv_table = (struct fdt_reserve_entry *)
const struct fdt_reserve_entry *rsv_table =
(const struct fdt_reserve_entry *)
((const char *)fdt + fdt_off_mem_rsvmap(fdt));
return rsv_table + n;
}
static inline struct fdt_reserve_entry *_fdt_mem_rsv_w(void *fdt, int n)
{
return (void *)_fdt_mem_rsv(fdt, n);
return (void *)(uintptr_t)_fdt_mem_rsv(fdt, n);
}
#define SW_MAGIC (~FDT_MAGIC)