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dfu: allow dfu read on partition greater than 2GB

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solve issue on get_medium_size() function
the detection of error is a simple test < 0
but for ARM platform, long is 32bits and 2GB = 0x80000000
is seen as error.

I solve the issue by changing the prototype fo the function
to separate size and result.
This patch prepare the next patch with size change to u64.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Patrick Delaunay
2017-07-19 16:39:22 +02:00
committed by Marek Vasut
parent bab0146ea9
commit 4de512018b
6 changed files with 22 additions and 16 deletions
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2
include/dfu.h
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@@ -110,7 +110,7 @@ struct dfu_entity {
struct sf_internal_data sf;
} data;
long (*get_medium_size)(struct dfu_entity *dfu);
int (*get_medium_size)(struct dfu_entity *dfu, long *size);
int (*read_medium)(struct dfu_entity *dfu,
u64 offset, void *buf, long *len);