On 2023/5/18 06:53, Jonas Karlman wrote:
Add dev_read_addr_size_index_ptr function with the same functionality as dev_read_addr_size_index, but instead a return pointer is given. Use map_sysmem() function as cast for the return.
Signed-off-by: Jonas Karlman jonas@kwiboo.se
Reviewed-by: Kever Yang kever.yang@rock-chips.com
Thanks, - Kever
v2:
New patch
drivers/core/read.c | 11 +++++++++++ include/dm/read.h | 21 +++++++++++++++++++++ 2 files changed, 32 insertions(+)
diff --git a/drivers/core/read.c b/drivers/core/read.c index 0289a2edb6a4..d3c939530aa5 100644 --- a/drivers/core/read.c +++ b/drivers/core/read.c @@ -150,6 +150,17 @@ fdt_addr_t dev_read_addr_size_index(const struct udevice *dev, int index, return devfdt_get_addr_size_index(dev, index, size); }
+void *dev_read_addr_size_index_ptr(const struct udevice *dev, int index,
fdt_size_t *size)+{
- fdt_addr_t addr = dev_read_addr_size_index(dev, index, size);
- if (addr == FDT_ADDR_T_NONE)
return NULL;- return map_sysmem(addr, 0);
+}
- void *dev_remap_addr_index(const struct udevice *dev, int index) { fdt_addr_t addr = dev_read_addr_index(dev, index);
diff --git a/include/dm/read.h b/include/dm/read.h index 56ac076c9f13..7dd43d61a665 100644 --- a/include/dm/read.h +++ b/include/dm/read.h @@ -246,6 +246,20 @@ void *dev_read_addr_index_ptr(const struct udevice *dev, int index); fdt_addr_t dev_read_addr_size_index(const struct udevice *dev, int index, fdt_size_t *size);
+/**
- dev_read_addr_size_index_ptr() - Get the indexed reg property of a device
as a pointer
- @dev: Device to read from
- @index: the 'reg' property can hold a list of <addr, size> pairs
and @index is used to select which one is required
- @size: place to put size value (on success)
- Return: pointer or NULL if not found
- */
+void *dev_read_addr_size_index_ptr(const struct udevice *dev, int index,
fdt_size_t *size);- /**
- dev_remap_addr_index() - Get the indexed reg property of a device
as a memory-mapped I/O pointer@@ -957,6 +971,13 @@ static inline fdt_addr_t dev_read_addr_size_index(const struct udevice *dev, return devfdt_get_addr_size_index(dev, index, size); }
+static inline void *dev_read_addr_size_index_ptr(const struct udevice *dev,
int index,fdt_size_t *size)+{
- return devfdt_get_addr_size_index_ptr(dev, index, size);
+}
- static inline fdt_addr_t dev_read_addr_name(const struct udevice *dev, const char *name) {