linux-kernel - [PATCH 2/3] of: fdt: use memblock usable range interface

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Message-ID: <20220110210809.3528-3-fllinden@amazon.com>
Date:   Mon, 10 Jan 2022 21:08:08 +0000
From:   Frank van der Linden <fllinden@...zon.com>
To:     <linux-arm-kernel@...ts.infradead.org>, <rppt@...nel.org>,
        <robh+dt@...nel.org>, <frowand.list@...il.com>, <ardb@...nel.org>,
        <linux-mm@...ck.org>, <devicetree@...r.kernel.org>,
        <linux-efi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kexec@...ts.infradead.org>, <catalin.marinas@....com>,
        <will@...nel.org>
CC:     <geert+renesas@...der.be>,
        Frank van der Linden <fllinden@...zon.com>
Subject: [PATCH 2/3] of: fdt: use memblock usable range interface

Use the memblock usable range interface to set and enforce the
usable memory range (if any).

Signed-off-by: Frank van der Linden <fllinden@...zon.com>
---
 drivers/of/fdt.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 4546572af24b..b3c2a4124518 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -1279,7 +1279,8 @@ void __init early_init_dt_scan_nodes(void)
 	of_scan_flat_dt(early_init_dt_scan_memory, NULL);
 
 	/* Handle linux,usable-memory-range property */
-	memblock_cap_memory_range(cap_mem_addr, cap_mem_size);
+	memblock_set_usable_range(cap_mem_addr, cap_mem_size);
+	memblock_enforce_usable_range();
 }
 
 bool __init early_init_dt_scan(void *params)
-- 
2.32.0