From aa4f61a7763e81fee68c7816d4a0f28000128bbb Mon Sep 17 00:00:00 2001
From: Johan Jonker <jbx6244@gmail.com>
Date: Fri, 21 Apr 2023 17:33:58 +0200
Subject: [PATCH] core: fdtaddr: add devfdt_get_addr_size_index_ptr function
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>
---
drivers/core/fdtaddr.c | 8 ++++++++
include/dm/fdtaddr.h | 17 ++++++++++++++++-
2 files changed, 24 insertions(+), 1 deletion(-)
diff --git a/drivers/core/fdtaddr.c b/drivers/core/fdtaddr.c
index b9b0c28852..3b59b70c24 100644
--- a/drivers/core/fdtaddr.c
+++ b/drivers/core/fdtaddr.c
@@ -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)
diff --git a/include/dm/fdtaddr.h b/include/dm/fdtaddr.h
index c9d2b27ba6..dcdc19137c 100644
--- a/include/dm/fdtaddr.h
+++ b/include/dm/fdtaddr.h
@@ -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
*
--
2.39.5