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dm: core: Fix devfdt_get_addr_ptr return value

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According to the description of devfdt_get_addr_ptr, this function should
return NULL on failure, but currently it returns (void *)FDT_ADDR_T_NONE.

Fix this by making devfdt_get_addr_ptr return NULL on failure, as
described in the function comments. Also, update the drivers currently
checking (void *)FDT_ADDR_T_NONE to check for NULL.

Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Ovidiu Panait
2020-08-03 22:17:35 +03:00
committed by Simon Glass
parent 02291d83fd
commit 3fe69d3764
7 changed files with 13 additions and 13 deletions
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4
include/dm/read.h
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@@ -802,9 +802,7 @@ static inline fdt_addr_t dev_read_addr(const struct udevice *dev)
static inline void *dev_read_addr_ptr(const struct udevice *dev)
{
void *addr = devfdt_get_addr_ptr(dev);
return ((fdt_addr_t)(uintptr_t)addr == FDT_ADDR_T_NONE) ? NULL : addr;
return devfdt_get_addr_ptr(dev);
}
static inline fdt_addr_t dev_read_addr_pci(const struct udevice *dev)