A resource_size is defined as res->end - res->start + 1. Marvell
MBUS driver gets some ranges from DT as start and size but mis-calculates
end of range. This fixes 4 occurences of those mistakes.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>
Acked-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
---
Changelog:
v2->v3:
- still none
v1->v2:
- none
Cc: barebox@xxxxxxxxxxxxxxxxxxx
Cc: Antony Pavlov <antonynpavlov@xxxxxxxxx>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Cc: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>
Cc: Ezequiel Garcia <ezequiel.garcia@xxxxxxxxxxxxxxxxxx>
---
drivers/bus/mvebu-mbus.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c
index 11e3777a6094..c67646f61722 100644
--- a/drivers/bus/mvebu-mbus.c
+++ b/drivers/bus/mvebu-mbus.c
@@ -187,7 +187,7 @@ static int mvebu_mbus_window_conflicts(struct mvebu_mbus_state *mbus,
phys_addr_t base, size_t size,
u8 target, u8 attr)
{
- u64 end = (u64)base + size;
+ u64 end = (u64)base + size - 1;
int win;
for (win = 0; win < mbus->soc->num_wins; win++) {
@@ -203,7 +203,7 @@ static int mvebu_mbus_window_conflicts(struct mvebu_mbus_state *mbus,
if (!enabled)
continue;
- wend = wbase + wsize;
+ wend = wbase + wsize - 1;
/*
* Check if the current window overlaps with the
@@ -661,7 +661,7 @@ static void mvebu_mbus_get_pcie_resources(struct device_node *np,
reg, ARRAY_SIZE(reg));
if (!ret) {
mem->start = reg[0];
- mem->end = mem->start + reg[1];
+ mem->end = mem->start + reg[1] - 1;
mem->flags = IORESOURCE_MEM;
}
@@ -669,7 +669,7 @@ static void mvebu_mbus_get_pcie_resources(struct device_node *np,
reg, ARRAY_SIZE(reg));
if (!ret) {
io->start = reg[0];
- io->end = io->start + reg[1];
+ io->end = io->start + reg[1] - 1;
io->flags = IORESOURCE_IO;
}
}
--
2.0.0
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