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    Subject[PATCH AUTOSEL 5.6 124/149] of: of_reserved_mem: Increase limit on number of reserved regions
    Date
    From: Patrick Daly <pdaly@codeaurora.org>

    [ Upstream commit 632c99084052aef1c9dcfe43d2720306026d6d21 ]

    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@codeaurora.org>
    Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>
    Signed-off-by: Rob Herring <robh@kernel.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    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 6bd610ee2cd73..1a84bc0d5fa80 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;

    --
    2.20.1
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