linux-kernel - [PATCH v5 4/4] of: reserved_mem: Rename fdt_* functions to refelct use of unflatten

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Message-ID: <20240328211543.191876-5-quic_obabatun@quicinc.com>
Date: Thu, 28 Mar 2024 14:15:43 -0700
From: Oreoluwa Babatunde <quic_obabatun@...cinc.com>
To: <catalin.marinas@....com>, <will@...nel.org>, <robh+dt@...nel.org>,
        <frowand.list@...il.com>, <vgupta@...nel.org>, <arnd@...db.de>,
        <olof@...om.net>, <soc@...nel.org>, <guoren@...nel.org>,
        <monstr@...str.eu>, <palmer@...belt.com>, <aou@...s.berkeley.edu>,
        <dinguyen@...nel.org>, <chenhuacai@...nel.org>,
        <tsbogend@...ha.franken.de>, <jonas@...thpole.se>,
        <stefan.kristiansson@...nalahti.fi>, <shorne@...il.com>,
        <mpe@...erman.id.au>, <ysato@...rs.sourceforge.jp>, <dalias@...c.org>,
        <glaubitz@...sik.fu-berlin.de>, <richard@....at>,
        <anton.ivanov@...bridgegreys.com>, <johannes@...solutions.net>,
        <chris@...kel.net>, <jcmvbkbc@...il.com>
CC: <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <kernel@...cinc.com>, Oreoluwa Babatunde <quic_obabatun@...cinc.com>
Subject: [PATCH v5 4/4] of: reserved_mem: Rename fdt_* functions to refelct use of unflatten_devicetree APIs

Rename the relevant fdt_* functions to a new naming scheme, dt_*, to
reflect the use of the unflatten_devicetree APIs to scan through the
reserved memory regions defined in the DT.

Signed-off-by: Oreoluwa Babatunde <quic_obabatun@...cinc.com>
---
 drivers/of/fdt.c             |  2 +-
 drivers/of/of_private.h      |  2 +-
 drivers/of/of_reserved_mem.c | 22 +++++++++++-----------
 3 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 527e6bc1c096..7e1baf443286 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -1259,7 +1259,7 @@ void __init unflatten_device_tree(void)
 	unittest_unflatten_overlay_base();
 
 	/* initialize the reserved memory regions */
-	fdt_init_reserved_mem();
+	dt_init_reserved_mem();
 }
 
 /**
diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h
index 9ea250b80657..75726feac881 100644
--- a/drivers/of/of_private.h
+++ b/drivers/of/of_private.h
@@ -177,7 +177,7 @@ static inline struct device_node *__of_get_dma_parent(const struct device_node *
 #endif
 
 int fdt_scan_reserved_mem(void);
-void fdt_init_reserved_mem(void);
+void dt_init_reserved_mem(void);
 
 bool of_fdt_device_is_available(const void *blob, unsigned long node);
 
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 68d1f4cca4bb..3ae5918a0024 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -97,10 +97,10 @@ static void __init alloc_reserved_mem_array(void)
 }
 
 /*
- * fdt_reserved_mem_save_node() - save fdt node for second pass initialization
+ * dt_reserved_mem_save_node() - save the device_node for second pass initialization
  */
-static void __init fdt_reserved_mem_save_node(struct device_node *node, const char *uname,
-					      phys_addr_t base, phys_addr_t size)
+static void __init dt_reserved_mem_save_node(struct device_node *node, const char *uname,
+					     phys_addr_t base, phys_addr_t size)
 {
 	struct reserved_mem *rmem = &reserved_mem[reserved_mem_count];
 
@@ -224,16 +224,16 @@ static int __init __dt_reserved_mem_check_root(struct device_node *node)
 }
 
 /**
- * fdt_scan_reserved_mem_reg_nodes() - Store info for the "reg" defined
+ * dt_scan_reserved_mem_reg_nodes() - Store info for the "reg" defined
  * reserved memory regions.
  *
  * This function is used to scan through the DT and store the
  * information for the reserved memory regions that are defined using
  * the "reg" property. The region node number, name, base address, and
  * size are all stored in the reserved_mem array by calling the
- * fdt_reserved_mem_save_node() function.
+ * dt_reserved_mem_save_node() function.
  */
-static void __init fdt_scan_reserved_mem_reg_nodes(void)
+static void __init dt_scan_reserved_mem_reg_nodes(void)
 {
 	int t_len = (dt_root_addr_cells + dt_root_size_cells) * sizeof(__be32);
 	struct device_node *node, *child;
@@ -277,7 +277,7 @@ static void __init fdt_scan_reserved_mem_reg_nodes(void)
 		size = dt_mem_next_cell(dt_root_size_cells, &prop);
 
 		if (size)
-			fdt_reserved_mem_save_node(child, uname, base, size);
+			dt_reserved_mem_save_node(child, uname, base, size);
 	}
 }
 
@@ -475,7 +475,7 @@ static int __init __reserved_mem_alloc_size(unsigned long node, const char *unam
 		       uname, (unsigned long)(size / SZ_1M));
 		return -ENOMEM;
 	}
-	fdt_reserved_mem_save_node(NULL, uname, base, size);
+	dt_reserved_mem_save_node(NULL, uname, base, size);
 	return 0;
 }
 
@@ -559,15 +559,15 @@ static void __init __rmem_check_for_overlap(void)
 }
 
 /**
- * fdt_init_reserved_mem() - allocate and init all saved reserved memory regions
+ * dt_init_reserved_mem() - allocate and init all saved reserved memory regions
  */
-void __init fdt_init_reserved_mem(void)
+void __init dt_init_reserved_mem(void)
 {
 	int i;
 
 	alloc_reserved_mem_array();
 
-	fdt_scan_reserved_mem_reg_nodes();
+	dt_scan_reserved_mem_reg_nodes();
 
 	/* check for overlapping reserved regions */
 	__rmem_check_for_overlap();
-- 
2.34.1