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core: fdtaddr: add devfdt_get_addr_size_index_ptr function

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Add devfdt_get_addr_size_index_ptr function with the same
functionality as devfdt_get_addr_size_index, but instead
a return pointer is given.

Suggested-by: Michael Nazzareno Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Michael Trimarchi <michael@amarulasolutions.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Johan Jonker 2023-04-21 17:33:58 +02:00 committed by Kever Yang
parent 66a1d38c98
commit aa4f61a776
2 changed files with 24 additions and 1 deletions
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8
drivers/core/fdtaddr.c
View file

@ -126,6 +126,14 @@ fdt_addr_t devfdt_get_addr_size_index(const struct udevice *dev, int index,
#endif
}
void *devfdt_get_addr_size_index_ptr(const struct udevice *dev, int index,
fdt_size_t *size)
{
fdt_addr_t addr = devfdt_get_addr_size_index(dev, index, size);
return (addr == FDT_ADDR_T_NONE) ? NULL : (void *)(uintptr_t)addr;
}
fdt_addr_t devfdt_get_addr_name(const struct udevice *dev, const char *name)
{
#if CONFIG_IS_ENABLED(OF_CONTROL)

17
include/dm/fdtaddr.h
View file

@ -111,7 +111,7 @@ void *devfdt_get_addr_index_ptr(const struct udevice *dev, int index);
* @dev: Pointer to a device
* @index: the 'reg' property can hold a list of <addr, size> pairs
* and @index is used to select which one is required
* @size: Pointer to size varible - this function returns the size
* @size: Pointer to size variable - this function returns the size
* specified in the 'reg' property here
*
* Return: addr
@ -119,6 +119,21 @@ void *devfdt_get_addr_index_ptr(const struct udevice *dev, int index);
fdt_addr_t devfdt_get_addr_size_index(const struct udevice *dev, int index,
fdt_size_t *size);
/**
* devfdt_get_addr_size_index_ptr() - Return indexed pointer to the address of the
* reg property of a device
*
* @dev: Pointer to a device
* @index: the 'reg' property can hold a list of <addr, size> pairs
* and @index is used to select which one is required
* @size: Pointer to size variable - this function returns the size
* specified in the 'reg' property here
*
* Return: Pointer to addr, or NULL if there is no such property
*/
void *devfdt_get_addr_size_index_ptr(const struct udevice *dev, int index,
fdt_size_t *size);
/**
* devfdt_get_addr_name() - Get the reg property of a device, indexed by name
*