[PATCH] of: of_reserved_mem: Increase limit on number of reserved regions

From: Isaac J. Manjarres
Date: Mon Feb 24 2020 - 13:02:58 EST


From: Patrick Daly <pdaly@xxxxxxxxxxxxxx>

Certain SoCs need to support a large amount of reserved memory
regions. For example, Qualcomm's SM8150 SoC requires that 20
regions of memory be reserved for a variety of reasons (e.g.
loading a peripheral subsystem's firmware image into a
particular space).

When adding more reserved memory regions to cater to different
usecases, the remaining number of reserved memory regions--12
to be exact--becomes too small. Thus, double the existing
limit of reserved memory regions.

Signed-off-by: Patrick Daly <pdaly@xxxxxxxxxxxxxx>
Signed-off-by: Isaac J. Manjarres <isaacm@xxxxxxxxxxxxxx>
---
drivers/of/of_reserved_mem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 6bd610e..1a84bc0 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -22,7 +22,7 @@
#include <linux/slab.h>
#include <linux/memblock.h>

-#define MAX_RESERVED_REGIONS 32
+#define MAX_RESERVED_REGIONS 64
static struct reserved_mem reserved_mem[MAX_RESERVED_REGIONS];
static int reserved_mem_count;

--
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